Nancy Yareli Contreras Reyes (born January 20, 1978, in

Ciudad de México Mexico City ( es, link=no, Ciudad de México, ; abbr.: CDMX; Nahuatl: ''Altepetl Mexico'') is the capital city, capital and primate city, largest city of Mexico, and the List of North American cities by population, most populous city in North Amer ...

Distrito Federal A federal district is a type of administrative division of a federation, usually under the direct control of a federal government and organized sometimes with a single municipal body. Federal districts often include capital districts, and they e ...

) is a female

track cyclist Track cycling is a bicycle racing sport usually held on specially built banked tracks or velodromes using purpose-designed track bicycles. History Track cycling has been around since at least 1870. When track cycling was in its infancy, it wa ...

from

Mexico Mexico (Spanish: México), officially the United Mexican States, is a country in the southern portion of North America. It is bordered to the north by the United States; to the south and west by the Pacific Ocean; to the southeast by Guatema ...

, who represented her native country twice at the

Summer Olympics The Summer Olympic Games (french: link=no, Jeux olympiques d'été), also known as the Games of the Olympiad, and often referred to as the Summer Olympics, is a major international multi-sport event normally held once every four years. The inau ...

: 1996 and 2004. She won a bronze medal in the

1995 Pan American Games File:1995 Events Collage V2.png, From left, clockwise: O.J. Simpson is acquitted of the murders of Nicole Brown Simpson and Ronald Goldman from the year prior in "The Trial of the Century" in the United States; The Great Hanshin earthquake strike ...

Mar del Plata, Argentina Mar del Plata is a city on the coast of the Atlantic Ocean, in Buenos Aires Province, Argentina. It is the seat of General Pueyrredón district. Mar del Plata is the second largest city in Buenos Aires Province. The name "Mar del Plata" is a sh ...

. Contreras won the 500m time trial gold during the

1998 Central American and Caribbean Games 1998 was designated as the ''International Year of the Ocean''. Events January * January 6 – The ''Lunar Prospector'' spacecraft is launched into orbit around the Moon, and later finds evidence for frozen water, in soil in permanently s ...

, but failed the doping control with

Pseudoephedrine Pseudoephedrine (PSE) is a sympathomimetic drug of the phenethylamine and amphetamine chemical classes. It may be used as a nasal/sinus decongestant, as a stimulant, or as a wakefulness-promoting agent in higher doses. It was first characteri ...

and her medal was removed.

Major results

;1995 :

UCI Juniors Track World Championships The UCI Junior Track Cycling World Championships (named the UCI Juniors Track World Championships before 2016) are a set of world championship events for junior riders, for various disciplines and distances in track cycling and are regulated by t ...

::2nd Individual pursuit ;1999 : Track Cycling World Cup Classics ::2nd 500m time trial, Round 1, Mexico City ::3rd 500m time trial, Round 3, Valencia ::3rd 500m time trial, final individual ranking :

Pan American Games The Pan American Games (also known colloquially as the Pan Am Games) is a continental multi-sport event in the Americas featuring summer sports, in which thousands of athletes participate in a variety of competitions. The competition is held ...

::2nd 500m time trial ;2000 : Track Cycling World Cup Classics ::1st, 500m time trial, Round 3, Mexico City ;2001 :

UCI Track Cycling World Championships The UCI Track Cycling World Championships are the set of world championship events for the various disciplines and distances in track cycling. They are regulated by the Union Cycliste Internationale. Before 1900, they were administered by the UCI ...

::1st 500m time trial : Track Cycling World Cup Classics ::1st Sprint, Round 4, Mexico City ::1st 500m time trial, Round 4, Mexico City ::2nd 500m time trial, Round 1, Cali ;2002 :

::2nd 500m time trial : Track Cycling World Cup Classics ::2nd 500m time trial, Round 1, Monterrey ::3rd 500m time trial, Round 2, Sydney ;2003 :

::2nd 500m time trial ::3rd Sprint : Track Cycling World Cup Classics ::2nd 500m time trial, Round 2, Aguascalientes ::3rd Sprint, Round 2, Aguascalientes ::1st 500m time trial, Round 3, Cape Town ::1st 500m time trial, Round 4, Sydney ::1st Sprint, Round 4, Sydney ::1st 500m time trial, final individual ranking :

::1st 500m time trial ;2005 :

Pan American Championships A Pan American Championship is a top level international sports competition between athletes or sports teams representing their respective countries or professional sports clubs in the Americas. Typically these championships are recurring, the most ...

::2nd 500m time trial ;2007 :

Pan American Road and Track Championships The Pan American Road and Track Championships are the continental cycling championships for road bicycle racing and track cycling held annually for member nations of the Pan American Cycling Confederation. Riders competing in the Pan American Cy ...

::3rd Keirin ;2011 :

::3rd Team Sprint (with Luz Daniela Gaxiola Gonzalez) ;2012 :Mexican National Track Championships ::1st Scratch race ::2nd 500m time trial ::2nd Keirin ::3rd Team pursuit (with

Belem Guerrero Belem Guerrero Méndez (born March 8, 1974 in Mexico City) is a Mexican former road bicycle racing, road and track cyclist who represented Mexico at the 2004 Summer Olympics, Mexico at the 2004 Summer Olympics in Athens where she won a silver m ...

and

Carolina Rodríguez Carolina Rodríguez Ballesteros (born 24 May 1986 in León) is a retired Spanish rhythmic gymnast. She is a veteran of the sport who started her senior career in the early 2000s. She competed in three Olympic cycles: at the 2004 Athens where ...

)

References

sports-reference
{{DEFAULTSORT:Contreras, Nancy 1978 births Living people Mexican female cyclists Mexican track cyclists Doping cases in cycling Olympic cyclists for Mexico Cyclists at the 1996 Summer Olympics Cyclists at the 2004 Summer Olympics Pan American Games medalists in cycling Pan American Games gold medalists for Mexico Pan American Games silver medalists for Mexico Pan American Games bronze medalists for Mexico Cyclists at the 1995 Pan American Games Cyclists at the 1999 Pan American Games Cyclists at the 2011 Pan American Games Medalists at the 1995 Pan American Games Medalists at the 2011 Pan American Games Central American and Caribbean Games medalists in cycling Central American and Caribbean Games gold medalists for Mexico Central American and Caribbean Games silver medalists for Mexico Central American and Caribbean Games bronze medalists for Mexico Competitors at the 2002 Central American and Caribbean Games Competitors at the 2006 Central American and Caribbean Games Competitors at the 2010 Central American and Caribbean Games 20th-century Mexican women 21st-century Mexican women