Konstanze Klosterhalfen
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Konstanze "Koko" Klosterhalfen (born 18 February 1997) is a German middle- and
long-distance runner Long-distance running, or endurance running, is a form of continuous running over distances of at least . Physiologically, it is largely Aerobic exercise, aerobic in nature and requires endurance, stamina as well as mental strength. Within e ...
. She is the 2019 World Championship bronze medallist and 2022 European champion in the
5000 metres The 5000 metres or 5000-metre run is a common long-distance running event in track and field, approximately equivalent to or . It is one of the track events in the Olympic Games and the World Championships in Athletics, run over laps of a stan ...
, becoming the first German winner of the event at the
European Athletics Championships The European Athletics Championships is a biennial (from 2010) athletics event organised by the European Athletics Association and is recognised as the elite continental outdoor athletics championships for Europe. Editions First held, for men ...
. At the European Indoor Championships, Klosterhalfen won silver medals for the
1500 metres The 1500 metres or 1,500-metre run (typically pronounced 'fifteen-hundred metres') is the foremost middle distance track event in athletics. The distance has been contested at the Summer Olympics since 1896 and the World Championships in Athletic ...
in
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and the
3000 metres The 3000 metres or 3000-metre run is a track running event, also commonly known as the "3K" or "3K run", where 7.5 laps are run around an outdoor 400 m track, or 15 laps around a 200 m indoor track. It is debated whether the 3000m shoul ...
in
2019 File:2019 collage v1.png, From top left, clockwise: Hong Kong protests turn to widespread riots and civil disobedience; House of Representatives votes to adopt articles of impeachment against Donald Trump; CRISPR gene editing first used to experim ...
and
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. She took four individual medals at the
European Cross Country Championships The European Cross Country Championships is an annual international cross country running competition. Organised by the European Athletic Association, it is the area championships for the region and is held in December each year. The championships ...
. In February 2020, she set a European indoor record in the 5000 m with 14:30.79, the fourth fastest time ever. In 2017, Klosterhalfen became the youngest female athlete to run 800 m under 2 minutes, 1500 m under 4 minutes and 5000 m under 15 minutes. She is the current German record holder for 1500 m (indoor), one mile (out and indoor),
2000 metres The 2000 metres or 2000-metre run is a track running event where five laps are completed around an outdoor 400 m track, or ten laps around a 200 m indoor track - the distance is 11.68 meters short of 1¼ miles. The global governing body World Ath ...
, 3000 m (out and indoor), 5000 m (out and indoor) and
10,000 metres The 10,000 metres or the 10,000-metre run is a common long-distance track running event. The event is part of the athletics programme at the Olympic Games and the World Athletics Championships, and is common at championship level events. The race ...
. She won multiple national titles. In October 2022, on her debut at the distance, Koko won the
Valencia Half Marathon The Valencia Half Marathon ( es, Medio Maratón de Valencia) is an annual half marathon road running event held in Valencia, Spain, since 1988. It is categorized as a Gold Label Road Race by World Athletics. The race is organised by the Valen ...
, setting the fastest female non-African mark in history and becoming the first non-African winner of the event since 2003 (by origin).


Personal life

Konstanze Klosterhalfen was born to Bernd and Brigitta Klosterhalfen. She grew up in
Königswinter Königswinter ( ksh, Köningkswinte; Low Franconian: ) is a town and summer resort in the Rhein-Sieg district, in North Rhine-Westphalia, Germany. Geography Königswinter is situated on the right bank of the Rhine, opposite Bad Godesberg, at th ...
-Bockeroth, her father is a lawyer and her mother a teacher. Her brothers are Nikolas (b. 1995) and Leonard (b. 1998). The older brother was also a talented runner but decided for association football. In 2009, “Niko” ran the 1000 metres in 2:50.37 minutes. The year before, he set the second fastest time (2:54.67) in the German U14 division. “Leo” plays handball at a high amateur level. Klosterhalfen attended Städtisches Gymnasium am Oelberg in Königswinter-Oberpleis, she had A-levels in German and Social Science. She is enrolled at
Deutsche Sporthochschule Köln German Sport University Cologne (German: Deutsche Sporthochschule Köln, DSHS, Spoho), is a sport university in Cologne, Germany. History The Sport University Cologne was founded in 1947. After the Sport University had changed its name to " ...
(DSHS) in a Sport Journalism degree. Since fall 2018, Klosterhalfen lives and trains in Portland, Oregon (USA), and became a member of the
Nike Oregon Project The Nike Oregon Project was a group created by the American corporation Nike, established in Beaverton, Oregon in 2001. The team folded on October 10, 2019 after an investigation resulted in a four-year ban of longtime coach Alberto Salazar. Fa ...
(NOP) in April 2019. The contact to the NOP was made via sports manager
Oliver Mintzlaff Oliver Mintzlaff (born 19 August 1975) is a Germans, German association football, football official, Red Bull GmbH Global Head of Soccer, and a former long-distance runner. Career Running Oliver Mintzlaff participated twice in the half mara ...
. She has never been trained by
Alberto Salazar Alberto Salazar (born August 7, 1958) is an American former track coach and long-distance runner. Born in Cuba, Salazar immigrated to the United States as a child with his family, living in Connecticut and then in Wayland, Massachusetts, whe ...
, instead she is under the supervision of
Pete Julian Pete Julian (born May 11, 1971) is an American track and field coach for the Nike Union Athletics Club and former assistant coach of the Nike Oregon Project. Julian was once a professional distance runner representing the United States. Athletes ...
. She describes her living in Oregon as it's like training camp every day. According to her, the training is more intense, with more structure. In her youth, Klosterhalfen was an altar server, and walked the runway twice at the
Berlin Fashion Week Berlin Fashion Week (''Berliner Modewoche'') is a fashion week held twice annually (in January and July) in Berlin, Germany. Since its establishment in July 2007 it has gained great international attention for its many creative young designers wh ...
. In her leisure time, she likes to play the piano and the western concert flute, in addition to ballet. Klosterhalfen's first trainer at TSV Bayer 04 Leverkusen was Tina Lewis. After Lewis, she was trained by Sigrid Bühler and
DLV The DLV (DataLog with Disjunction, where the logical disjunction symbol V is used) system is a disjunctive logic programming system, implementing the stable model semantics under the answer set programming paradigm. It extends the Datalog ...
women's coach Sebastian Weiß, who gave her the nickname “Koko”.


Career


2014

Klosterhalfen went to the
2014 Summer Youth Olympics The 2014 Summer Youth Olympics (), officially known as the II Summer Youth Olympic Games , and commonly known as Nanjing 2014 ( zh, c=南京2014, p=Nánjīng Èr Líng yī sì), were the second Summer Youth Olympic Games, an international sports ...
staged in August in
Nanjing Nanjing (; , Mandarin pronunciation: ), alternately romanized as Nanking, is the capital of Jiangsu province of the People's Republic of China. It is a sub-provincial city, a megacity, and the second largest city in the East China region. T ...
, China. She ran the
1500 metres The 1500 metres or 1,500-metre run (typically pronounced 'fifteen-hundred metres') is the foremost middle distance track event in athletics. The distance has been contested at the Summer Olympics since 1896 and the World Championships in Athletic ...
in a field of 20 competitors. In the final, she placed fourth out of 10 with a time of 4:21.02 (the winning time was 4:15.38).


2015

In February, the
German Indoor Athletics Championships The German Indoor Athletics Championships (german: Deutsche Leichtathletik-Hallenmeisterschaften) is an annual indoor track and field competition organised by the German Athletics Association, which serves as the German national championship for th ...
took place in
Karlsruhe Karlsruhe ( , , ; South Franconian: ''Kallsruh'') is the third-largest city of the German state (''Land'') of Baden-Württemberg after its capital of Stuttgart and Mannheim, and the 22nd-largest city in the nation, with 308,436 inhabitants. ...
. Klosterhalfen placed second in the 1500 m with 4:15.25, a new European Under-20 record. The 18-year-old went to the European U20 Championships in
Eskilstuna Eskilstuna () is a city and the seat of Eskilstuna Municipality, Södermanland County, Sweden. The city of Eskilstuna had 67,359 inhabitants in 2015, with a total population of 100,092 inhabitants in Eskilstuna municipality (2014). Eskilstuna has ...
in July, and took the bronze medal for the 1500 m event with 4:20.84. In December, Klosterhalfen won the
European Cross Country Championships The European Cross Country Championships is an annual international cross country running competition. Organised by the European Athletic Association, it is the area championships for the region and is held in December each year. The championships ...
in the U20 women's division in
Hyères Hyères (), Provençal Occitan: ''Ieras'' in classical norm, or ''Iero'' in Mistralian norm) is a commune in the Var department in the Provence-Alpes-Côte d'Azur region in southeastern France. The old town lies from the sea clustered around t ...
, France. On a 4.157 km course, she finished first (13:12 minutes) out of 81 starters. Furthermore, she won the U20 team ranking with Germany.


2016: U20 records, world U20 bronze

On 6 February, Klosterhalfen placed second in the 1500 m race at the World Indoor Tour meet Karlsruhe Indoor Meeting in Germany. Her time of 4:08.38 improved her own European U20 record. The winner
Axumawit Embaye Axumawit Alem Embaye (Amharic: አክሱማዊት አምባዬ; born 18 October 1994) is an Ethiopian middle-distance runner, who specialises in the 1500 metres. She is a two-time World Athletics Indoor Championships, World Indoor Championship si ...
surpassed her by a margin of 0.16 seconds. Later this month, Klosterhalfen won the
3000 metres The 3000 metres or 3000-metre run is a track running event, also commonly known as the "3K" or "3K run", where 7.5 laps are run around an outdoor 400 m track, or 15 laps around a 200 m indoor track. It is debated whether the 3000m shoul ...
German national indoor title in
Leipzig Leipzig ( , ; Upper Saxon: ) is the most populous city in the German state of Saxony. Leipzig's population of 605,407 inhabitants (1.1 million in the larger urban zone) as of 2021 places the city as Germany's eighth most populous, as wel ...
. She finished with 8:56.36, setting her consecutive European U20 record. The 19-year-old set a national U20 record at a 10 km road race run in
Leverkusen Leverkusen () is a city in North Rhine-Westphalia, Germany, on the eastern bank of the Rhine. To the south, Leverkusen borders the city of Cologne, and to the north the state capital, Düsseldorf. With about 161,000 inhabitants, Leverkusen is on ...
, Germany in March. Her winning time of 32:24 minutes broke the former record held by Anke Schäning (East Germany), who ran 33:03 minutes in 1990. Moreover, her time was faster than the national track
10,000 metres The 10,000 metres or the 10,000-metre run is a common long-distance track running event. The event is part of the athletics programme at the Olympic Games and the World Athletics Championships, and is common at championship level events. The race ...
U20 record of 32:44.52 by Schäning. In July, Klosterhalfen won the bronze medal in the 3000 m at the World Junior Championships in
Bydgoszcz Bydgoszcz ( , , ; german: Bromberg) is a city in northern Poland, straddling the meeting of the River Vistula with its left-bank tributary, the Brda. With a city population of 339,053 as of December 2021 and an urban agglomeration with more ...
, Poland in a time of 8:46.74, a German U20 record. At the
2016 Rio Olympics ) , nations = 207 (including IOA and EOR teams) , athletes = 11,238 , events = 306 in 28 sports (41 disciplines) , opening = 5 August 2016 , closing = 21 August 2016 , opened_by = Vice President Michel Temer , cauldron = Vanderlei Cordeiro de ...
, she competed against a field of 41 starters in the 1500 m event, and was eliminated in the semi-finals. For her second time, Klosterhalfen won (12:26 minutes) the U20 women's field at the
European Cross Country Championships The European Cross Country Championships is an annual international cross country running competition. Organised by the European Athletic Association, it is the area championships for the region and is held in December each year. The championships ...
in Chia, Italy in December. On a 4.06 km course, silver medalist Anna Emilie Møller lost 17 seconds to her. Germany placed second in the team ranking. On 31 December, she competed at the Bitburger-Silvesterlauf ( de) in
Trier Trier ( , ; lb, Tréier ), formerly known in English as Trèves ( ;) and Triers (see also names in other languages), is a city on the banks of the Moselle in Germany. It lies in a valley between low vine-covered hills of red sandstone in the ...
, Germany. Her time of 16:05 minutes placed her first in the 5 km road race Sparkassen-Elite-Lauf der Frauen.


2017

On 4 February, she competed again in the 3000 m in Karlsruhe, finishing 6th out of 9 starters with a time of 8:51.75, a new personal best. Klosterhalfen's first major senior medal came at the European Indoor Championships in
Belgrade Belgrade ( , ;, ; Names of European cities in different languages: B, names in other languages) is the Capital city, capital and List of cities in Serbia, largest city in Serbia. It is located at the confluence of the Sava and Danube rivers a ...
in March, when she came second to
Laura Muir Laura Muir (born 9 May 1993) is a Scottish middle- and long-distance runner. She is the 2020 Tokyo Olympic silver medallist in the 1500 metres, having previously finished seventh in the event at the 2016 Rio Olympics. Muir won the bronze med ...
to claim a silver in the 1500 m. In June, she ran the 1500 m at the
Diamond League The Diamond League is an annual series of elite track and field athletic competitions comprising fourteen of the best invitational athletics meetings. The series sits in the top tier of the World Athletics (formerly known as the IAAF) one-day mee ...
meet
Golden Gala Golden Gala is an annual track and field event normally held at the Olympic Stadium in Rome, Italy. Previously one of the IAAF Golden League events, it is now part of the Diamond League. Following the 2013 death of Italian sprinting legend Pie ...
in
Rome , established_title = Founded , established_date = 753 BC , founder = King Romulus (legendary) , image_map = Map of comune of Rome (metropolitan city of Capital Rome, region Lazio, Italy).svg , map_caption ...
. With her time of 3:59.30, she became the first German woman to cover this distance in less than 4 minutes since 1990. At the 117th edition of the German Championships in
Erfurt Erfurt () is the capital and largest city in the Central German state of Thuringia. It is located in the wide valley of the Gera river (progression: ), in the southern part of the Thuringian Basin, north of the Thuringian Forest. It sits i ...
in July, Klosterhalfen's 1500 m winning time of 3:59.58 became a new championship record. She went to the European U23 Championships in
Bydgoszcz Bydgoszcz ( , , ; german: Bromberg) is a city in northern Poland, straddling the meeting of the River Vistula with its left-bank tributary, the Brda. With a city population of 339,053 as of December 2021 and an urban agglomeration with more ...
later that month, and won the 1500 m final in 4:10.30. The 20-year-old went to the
World Championships A world championship is generally an international competition open to elite competitors from around the world, representing their nations, and winning such an event will be considered the highest or near highest achievement in the sport, game, ...
in London, from 4–13 August. She failed to move to the final from semi in the 1500 m event. Later that month, Klosterhalfen competed again in the Diamond Race meet at the Müller Grand Prix Birmingham in the UK.
Sifan Hassan Sifan Hassan ( om, Siifan Hassan; born 1 January 1993) is an Ethiopian-born Dutch middle- and long-distance runner. She completed an unprecedented triple at the 2020 Tokyo Olympics winning gold medals in both the 5000 metres and 10,000 metres, ...
won the 3000 m event in 8:28.90, with her following in at 8:29.89, a new national record. With this run, she improved on her personal best by nearly 17 seconds and
Irina Mikitenko Irina Mikitenko, ''née'' Volynskaya (russian: Ирина Волынская (Микитенко); born 23 August 1972 in Bakanas, Kazakh SSR, Soviet Union), is a retired German long-distance runner who competed in marathons. She won the Berlin ...
's German national record by half a second. Her time was the first German women's record in a non-hurdle track event since 2000. At the
European Cross Country Championships The European Cross Country Championships is an annual international cross country running competition. Organised by the European Athletic Association, it is the area championships for the region and is held in December each year. The championships ...
in
Šamorín Šamorín (; hu, Somorja, german: Sommerein) is a small town in western Slovakia, southeast of Bratislava. Etymology The name is derived from a patron saint of a local church Sancta Maria, mentioned for the first time as ''villa Sancti Marie'' ...
, Slovakia in December, Klosterhalfen placed second (20:25 minutes) on a 6.28 km course in the U23 women's division. Germany took the silver in the U23 team ranking. She returned at the last day of the year to the 5 km Sparkassen-Elite-Lauf der Frauen in Trier for her second time. The run was won with a new personal best of 15:34 minutes.


2018

At the German Indoor Championships in
Dortmund Dortmund (; Westphalian nds, Düörpm ; la, Tremonia) is the third-largest city in North Rhine-Westphalia after Cologne and Düsseldorf, and the eighth-largest city of Germany, with a population of 588,250 inhabitants as of 2021. It is the la ...
on 18 February, her 21st birthday, Klosterhalfen set a new national record in the 3000 m with 8:36.01. It was an improvement by more than 5 seconds on the former record held by Kathrin Ullrich (East Germany), set in 1988. She lowered her personal best by nearly 16 seconds. In March at the World Indoor Championships Birmingham 2018, she placed seventh in the 3000 m final with a time of 8:51.79. The
European Championships The European Championships is a multi-sport tournament which brings together the existing European Championships of some of the continent's leading sports every four years. The inaugural edition in 2018 was staged by the host cities of Berlin, ...
were held in Berlin in August. Klosterhalfen finished fourth in the 5000 m final with 15:03.73, missing the podium by 6.10 seconds.


2019: World 5000 m bronze medallist

Klosterhalfen won the 5000 m race at the World Indoor Tour meet New Balance Indoor Grand Pix in
Boston, MA Boston (), officially the City of Boston, is the capital city, state capital and List of municipalities in Massachusetts, most populous city of the Commonwealth (U.S. state), Commonwealth of Massachusetts, as well as the cultural and financ ...
in January. She crossed the finish line after 15:15.80, the third fastest time for a German woman.
Jenny Simpson Jennifer Simpson (née Barringer; born August 23, 1986) is an American middle distance runner and steeplechaser. She represented the United States at the 2008 Beijing Olympics, 2012 London Olympics and 2016 Rio Olympics. She is a former Americ ...
, 2016 Olympic Games 1500 m bronze medallist, finished well behind. It was Klosterhalfen's first victory in the World Indoor Tour, and she received a prize of $ 3000. In February, she won the indoor mile run at the
Millrose Games The Millrose Games is an annual indoor athletics meet (track and field) held each February in New York City. They started taking place at the Armory in Washington Heights in 2012, after having taken place in Madison Square Garden from 1914 to 2011 ...
in New York with a time of 4:19.98. This mark placed her fifth on the world all-time list. In addition, she broke the German national record set 31 years before and the 1500 m national indoor record with her intermediate split of 4:02.70+. At the German Indoor Championships in Leipzig later that month, Klosterhalfen beat her German national record in the 3000 m with 8:32.47, an improvement by more than 3 seconds on her record from 2018. It was her eighth German national title. The 22-year-old ran at the European Indoor Championships in
Glasgow Glasgow ( ; sco, Glesca or ; gd, Glaschu ) is the most populous city in Scotland and the fourth-most populous city in the United Kingdom, as well as being the 27th largest city by population in Europe. In 2020, it had an estimated popul ...
in March. She finished as the runner-up in the 3000 m event with 8:34.06. The winner was Laura Muir in 8:30.61. At the
Diamond League The Diamond League is an annual series of elite track and field athletic competitions comprising fourteen of the best invitational athletics meetings. The series sits in the top tier of the World Athletics (formerly known as the IAAF) one-day mee ...
meet
Prefontaine Classic The Prefontaine Classic, an Oregon Track Club event, is one of the premier track and field meets in the United States, held in Eugene, Oregon. Every year it draws a world caliber field to compete at Hayward Field on the campus of the University o ...
in
Stanford, CA Stanford is a census-designated place (CDP) in the northwest corner of Santa Clara County, California, United States. It is the home of Stanford University. The population was 21,150 at the 2020 census. Stanford is an unincorporated area of ...
in June, Klosterhalfen finished second in the 3000 m with a new national record of 8:20.07, a nearly 10-second improvement on her own German national record set about two years prior. Her time ranked her the sixth-fastest woman over the distance in history. The run was won in a time of 8:18.49, a new European record by Sifan Hassan. In August at the German Championships in Berlin, Klosterhalfen set a new national record in the 5000 m with a time of 14:26.76, a massive improvement on her former personal best of 14:51.38, putting her thirteenth on the world all-time list. The former German national record of 14:42.03 was set by
Irina Mikitenko Irina Mikitenko, ''née'' Volynskaya (russian: Ирина Волынская (Микитенко); born 23 August 1972 in Bakanas, Kazakh SSR, Soviet Union), is a retired German long-distance runner who competed in marathons. She won the Berlin ...
in 1999. Later that month, she broke in windy conditions the German national record for the mile run and claimed her first victory in the Diamond League. At the Müller Grand Prix Birmingham in Birmingham, she won the One Mile Women – Millicent Fawcet run with 4:21.11, 0.48 seconds faster than the former record, held by Ulrike Bruns (East Germany), from 1985. With this time, she improved on her personal best by just over 3 seconds. She defeated second-place finisher
Gabriela DeBues-Stafford Gabriela Maria DeBues-Stafford (née Stafford, born 13 September 1995) is a Canadian middle- and long-distance runner. A two-time Olympian, she placed fifth in the women's 1500 metres at the 2020 Tokyo Olympics. DeBues-Stafford holds the NACA ...
with an advantage of 1.36 seconds. At the Diamond Race 1500 m final
Weltklasse Zürich Weltklasse Zürich ( en, World Class Zurich) is an annual, invitation-only, world-class track and field meeting at the Letzigrund in Zürich, Switzerland, generally held at the end of August or beginning of September. Previously one of the IAAF G ...
in Switzerland on 29 August, Klosterhalfen finished second with 3:59.02. The discipline final winner became Hassan in 3:57.08, Klosterhalfen beat the fourth-placed world record holder Genzebe Dibaba by 1.84 seconds. Eight days later, she competed at the 5000 m Diamond League final
Memorial Van Damme The Memorial Van Damme is an annual athletics event at the King Baudouin Stadium in Brussels, Belgium, that takes place in late August or early September. Previously one of the IAAF Golden League events, it is now the final event of the Diamond L ...
in
Brussels Brussels (french: Bruxelles or ; nl, Brussel ), officially the Brussels-Capital Region (All text and all but one graphic show the English name as Brussels-Capital Region.) (french: link=no, Région de Bruxelles-Capitale; nl, link=no, Bruss ...
. Third-placed, Klosterhalfen's time of 14:29.89 beat 2017 world champion in the event
Hellen Obiri Hellen Onsando Obiri (born 13 December 1989) is a Kenyan middle- and long-distance runner. She is a two-time Olympic 5000 metres silver medallist from the 2016 Rio and 2020 Tokyo Olympics, where she also placed fourth over the 10,000 metres. S ...
, who came in fourth, by 4.01 seconds. The final was won by Hassan with 14:26.26,
Letesenbet Gidey Letesenbet Gidey (Tigrinya: ለተሰንበት ግደይ, born 20 March 1998) is an Ethiopian long-distance runner who holds three world records plus one world best. A 10,000 metres 2020 Tokyo Olympic bronze medallist, at the World Athletics C ...
placed second in 14:29.54. World Athletics Championships in Doha On 5 October, Klosterhalfen won the 5000 m bronze medal at the Doha World Championships with a time of 14:28.43. The 2017 defending champion Obiri took the title in a time of 14:26.72, her Kenyan compatriot
Margaret Kipkemboi Margaret Chelimo Kipkemboi (born 9 February 1993) is a Kenyan long-distance runner. She won the silver medal for the 5000 metres at the 2019 World Championships, and a bronze in the 10,000 metres at the 2022 World Championships. Kipkemboi took ...
became the runner-up with 14:27.49. It was the first World Championship 5000 m medal for a German woman. The termination of the Nike Oregon Project On 1 October, the
USADA The United States Anti-Doping Agency (USADA, ) is a non-profit, non-governmental 501(c)(3) organization and the national anti- doping organization (NADO) for the United States. To protect clean competition and the integrity of sport and prevent d ...
banned the head coach of Klosterhalfen's training group
Alberto Salazar Alberto Salazar (born August 7, 1958) is an American former track coach and long-distance runner. Born in Cuba, Salazar immigrated to the United States as a child with his family, living in Connecticut and then in Wayland, Massachusetts, whe ...
, and Dr. Jeffery Brown, a colleague at the Oregon Project, for doping offences. These included using a WADA prohibited method, tampering with doping control methods and trafficking
testosterone Testosterone is the primary sex hormone and anabolic steroid in males. In humans, testosterone plays a key role in the development of Male reproductive system, male reproductive tissues such as testes and prostate, as well as promoting secondar ...
through a prohibited testing program. The case against Salazar and Brown concerns a timeframe before Klosterhalfen was part of the project. At the NOP Klosterhalfen was trained by Salazar's former assistant
Pete Julian Pete Julian (born May 11, 1971) is an American track and field coach for the Nike Union Athletics Club and former assistant coach of the Nike Oregon Project. Julian was once a professional distance runner representing the United States. Athletes ...
, who maintained on German television, "We know, we do everything right". On 11 October, Nike decided to shut down its project. Regarding the closure of Nike's Oregon Project, Klosterhalfen stated: "It's a first and important decision, specially to protect the active athletes and what they have achieved. Since last week, their and my competition activities were put into offside due to this ongoing issue." (Translation from her statement in German). On 24 October, the Portland paper "The Oregonian" stated that Pete Julian likes to continue supervising seven athletes, formerly members of the Nike Oregon Project, among them Klosterhalfen. Furthermore, the article highlighted that no NOP athlete has ever failed a drug test nor been credibly accused of doping. Klosterhalfen also confirmed that she will go on with training under the supervision of Julian.


2020

In January, Kosterhalfen competed in the first 1500 m race of the World Indoor Tour in Boston. She placed second with 4:04.38 in front of
Ciara Mageean Ciara Mageean ( ) (born 12 March 1992) is a middle-distance runner from Portaferry in Northern Ireland who specialises in the 1500 metres. She is a three-time European Athletics Championship medallist at the event, with bronze in 2016 and silve ...
, who finished in a new Irish indoor record of 4:06.42. The race was won by
Jessica Hull Jessica Jolliffe ( née Hull born 22 October 1996) is an Australian distance runner who won 3 consecutive junior Australian Athletics Championships in 2013–2015. Hull set the Australian and Oceanian indoor 1500 metres records and the Australi ...
(also coached by Pete Julien) in 4:04.14, an improvement on the Oceanian indoor record by more than two seconds. As the defending winner, Klosterhalfen placed second in the indoor mile run at the Millrose Games in February. The event was won by
Elinor Purrier Elinor "Elle" Purrier St. Pierre (born February 20, 1995) is an American track and field athlete who specializes in middle-distance running and long-distance running. In 2022, she earned her first global medal, winning silver in the women's 300 ...
(USA) with a new NACAC record of 4:16.85, the second-fastest time ever. Klosterhalfen finished in 4:17.26, an almost 3 second improvement on her personal best and a new national record, the fourth-fastest time ever. She also bettered her 1500 m time en route with 3:59.87, another new German record. Third placed finisher was
Jemma Reekie Jemma Reekie (born 6 March 1998) is a Scottish middle-distance runner. She placed fourth in the 800 metres at the 2020 Tokyo Olympics, narrowly missing out on the bronze medal. Reekie achieved a rare double at the 2019 European U23 Championshi ...
with 4:17.88, a new national record and the 5th fastest time ever. DeBues-Stafford finished fourth in 4:19.73, a new national record and the eighth place on the all-time list. The first four placed women also set new 1500 m national records en route. On 27 February, a 23-year-old Klosterhalfen set a European record in the indoor 5000 m event. The former area record was 14:47.35 set by
Gabriela Szabo Gabriela Szabo (, hu, Szabó Gabriella; born 14 November 1975) is a retired Romanian runner. She competed in the 1500 m and 5000 m events at the 1996 and 2000 Olympics and won a gold, a silver and a bronze medal. Szabo is a three-time world c ...
in 1999. Klosterhalfen won the competition at the Boston University Last Chance Invitational meet in 14:30.79, which placed her fourth in the world all-time ranking. Her winning time marked a 45 seconds improvement on her previous personal best set in Boston in 2019. Her final 200 m split was recorded with 31.6 seconds. Klosterhalfen's split times: In July, Klosterhalfen set a new personal best to win the 1000 m at The Big Friendly 2 meet in
Portland, OR Portland (, ) is a port city in the Pacific Northwest and the largest city in the U.S. state of Oregon. Situated at the confluence of the Willamette and Columbia rivers, Portland is the county seat of Multnomah County, the most populous cou ...
in a time of 2:37.05. In addition, she ran the 3000 m, but failed to finish.


2021

With her first 10,000 m race at the Trials of Miles Texas Qualifier in
Austin, TX Austin is the capital city of the U.S. state of Texas, as well as the seat and largest city of Travis County, with portions extending into Hays and Williamson counties. Incorporated on December 27, 1839, it is the 11th-most-populous city ...
in February, Klosterhalfen set a new national record. She won in a time of 31:01.71, lapping all runners, breaking the former best of 31:03.62 set by Kathrin Ullrich in 1991. After the race, she complained about windy conditions. Her season was injury-plagued, including
pelvic The pelvis (plural pelves or pelvises) is the lower part of the trunk, between the abdomen and the thighs (sometimes also called pelvic region), together with its embedded skeleton (sometimes also called bony pelvis, or pelvic skeleton). The ...
and back problems. Despite this, at the delayed
2020 Tokyo Olympics The , officially the and also known as , was an international multi-sport event held from 23 July to 8 August 2021 in Tokyo, Japan, with some preliminary events that began on 21 July. Tokyo was selected as the host city during the 1 ...
in August, she competed in the 10,000 m event, finishing eighth out of 29 runners in 31:01.97. The following month in home Trier, Klosterhalfen broke yet another national record, this time in the less common
2000 metres The 2000 metres or 2000-metre run is a track running event where five laps are completed around an outdoor 400 m track, or ten laps around a 200 m indoor track - the distance is 11.68 meters short of 1¼ miles. The global governing body World Ath ...
distance which had stood since 1985.


2022: European 5000 m champion

Koko ended her indoor season prematurely because of a
hamstring injury Straining of the hamstring, also known as a pulled hamstring, is defined as an excessive stretch or tear of muscle fibers and related tissues. Hamstring injuries are common in athletes participating in many sports. Track and field athletes are ...
after a fall in January. In May, the 25-year-old set a European best in the rarely contested
two miles The 2 mile (10,560 feet or 3,218.688 metres) is a historic running distance. Like the mile run, it is still contested at some invitational meets due its historical chronology in the United States and United Kingdom. It has been larg ...
in
Eugene, Oregon Eugene ( ) is a city in the U.S. state of Oregon. It is located at the southern end of the Willamette Valley, near the confluence of the McKenzie and Willamette rivers, about east of the Oregon Coast. As of the 2020 United States Census, Eu ...
. After she got
COVID-19 Coronavirus disease 2019 (COVID-19) is a contagious disease caused by a virus, the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The first known case was COVID-19 pandemic in Hubei, identified in Wuhan, China, in December ...
in June, she struggled to reach her form at the same venue during the
World Championships A world championship is generally an international competition open to elite competitors from around the world, representing their nations, and winning such an event will be considered the highest or near highest achievement in the sport, game, ...
the next month, and was eliminated in the heats of the 5000 m with 15:17.78. However, Klosterhalfen returned to fine form a month later at the
European Championships The European Championships is a multi-sport tournament which brings together the existing European Championships of some of the continent's leading sports every four years. The inaugural edition in 2018 was staged by the host cities of Berlin, ...
on home soil in
Munich Munich ( ; german: München ; bar, Minga ) is the capital and most populous city of the States of Germany, German state of Bavaria. With a population of 1,558,395 inhabitants as of 31 July 2020, it is the List of cities in Germany by popu ...
, becoming the first German athlete to win the European Championship title at 5000 m. She won decisively in this event with a time of 14:50.47, beating second-placed 2016 European 5000 m/10,000 m champion
Yasemin Can Yasemin Can (born Vivian Jemutai on December 11, 1996) is a Kenyan female long distance runner representing Turkey who specialises in the 5000 metres and 10,000 metres. She is the reigning European 10,000 m champion. Can is a five-time Europea ...
by over six seconds. It was the first double start at a major championships of her career as she also competed in the 10,000 m event three days earlier to finish fourth with a season's best. In October, on her debut at the distance, Koko won the
Valencia Half Marathon The Valencia Half Marathon ( es, Medio Maratón de Valencia) is an annual half marathon road running event held in Valencia, Spain, since 1988. It is categorized as a Gold Label Road Race by World Athletics. The race is organised by the Valen ...
with the third-fastest time ever set by a European woman of 65:41, becoming the first female non-African winner of the event since 2003. She was 23 seconds short of the German record and 26 of the European record. She competed at the
European Cross Country Championships The European Cross Country Championships is an annual international cross country running competition. Organised by the European Athletic Association, it is the area championships for the region and is held in December each year. The championships ...
in Italy on 11 December, finishing a close second behind Karoline Grøvdal on a hilly and demanding 7.662 km course near
Turin Turin ( , Piedmontese language, Piedmontese: ; it, Torino ) is a city and an important business and cultural centre in Northern Italy. It is the capital city of Piedmont and of the Metropolitan City of Turin, and was the first Italian capital ...
, leading Germany to their first ever team gold. They clashed again on 31 December, this time over 5 km at the Cursa dels Nassos in
Barcelona Barcelona ( , , ) is a city on the coast of northeastern Spain. It is the capital and largest city of the autonomous community of Catalonia, as well as the second most populous municipality of Spain. With a population of 1.6 million within ci ...
, and Klosterhalfen decisively came out on top, breaking the German record (Irina Mikitenko's 15:16) with a 14:52 performance behind only world record holder
Ejgayehu Taye Ejgayehu Taye (born 10 February 2000) is an Ethiopian Olympic long-distance runner. She won the bronze medal for the 3000 metres at the 2022 World Indoor Championships. Taye is the current world record holder in the 5 km road race. Caree ...
. Klosterhalfen was eight seconds short of the European record.


Achievements


Personal bests

Information from
World Athletics World Athletics, formerly known as the International Amateur Athletic Federation (from 1912 to 2001) and International Association of Athletics Federations (from 2001 to 2019, both abbreviated as the IAAF) is the international governing body for ...
profile unless otherwise noted.


International competitions


National titles

*
German Athletics Championships The German Athletics Championships (german: Deutsche Leichtathletik-Meisterschaften) are the national championships in athletics of Germany, organised annually by the Deutscher Leichtathletik-Verband. The competition features track and field eve ...
**
1500 metres The 1500 metres or 1,500-metre run (typically pronounced 'fifteen-hundred metres') is the foremost middle distance track event in athletics. The distance has been contested at the Summer Olympics since 1896 and the World Championships in Athletic ...
: 2016, 2017, 2018 **
5000 metres The 5000 metres or 5000-metre run is a common long-distance running event in track and field, approximately equivalent to or . It is one of the track events in the Olympic Games and the World Championships in Athletics, run over laps of a stan ...
: 2019 *
German Indoor Athletics Championships The German Indoor Athletics Championships (german: Deutsche Leichtathletik-Hallenmeisterschaften) is an annual indoor track and field competition organised by the German Athletics Association, which serves as the German national championship for th ...
**
1500 metres The 1500 metres or 1,500-metre run (typically pronounced 'fifteen-hundred metres') is the foremost middle distance track event in athletics. The distance has been contested at the Summer Olympics since 1896 and the World Championships in Athletic ...
: 2017 **
3000 metres The 3000 metres or 3000-metre run is a track running event, also commonly known as the "3K" or "3K run", where 7.5 laps are run around an outdoor 400 m track, or 15 laps around a 200 m indoor track. It is debated whether the 3000m shoul ...
: 2016, 2018, 2019, 2023


References


External links

* * * * * * {{DEFAULTSORT:Klosterhalfen, Konstanze 1997 births Living people German female middle-distance runners Athletes (track and field) at the 2016 Summer Olympics Olympic athletes of Germany Athletes (track and field) at the 2014 Summer Youth Olympics Sportspeople from Bonn World Athletics Championships athletes for Germany World Athletics Championships medalists Athletes (track and field) at the 2020 Summer Olympics European Athletics Championships winners