Zach Bitter is an American

ultramarathon An ultramarathon, also called ultra distance or ultra running, is any footrace longer than the traditional marathon length of . Various distances are raced competitively, from the shortest common ultramarathon of to over . 50k and 100k are bot ...

runner. He held world records for the 100-mile run (track) and the 12-hour run (track). Bitter claimed both records with his performance during the Six Days in the Dome event in

Milwaukee Milwaukee ( ), officially the City of Milwaukee, is both the most populous and most densely populated city in the U.S. state of Wisconsin and the county seat of Milwaukee County. With a population of 577,222 at the 2020 census, Milwaukee is ...

, Wisconsin, on August 24, 2019. His 100-mile time of 11 hours, 19 minutes and 13 seconds, bested Oleg Kharitonov’s 2002 world record by almost 11 minutes, and was more than 20 minutes faster than his own American mark of 11:40:55. After claiming the 100-mile record, Bitter continued running for another 40 minutes and upped his own 12-hour distance world record to 104.8 miles, an improvement of more than three miles over the previous mark. His 12-hour record was beaten by Lithuanian

Aleksandr Sorokin Aleksandr “Sania” Sorokin (born 30 September 1981) is a Lithuanian long-distance runner holding multiple world and European records. As of September 2022, he held seven world records on the track and road: 100,000m (track), 100 miles (road) ...

in January 2022. Bitter attended the University of Wisconsin - Stevens Point from 2005-2008 and was a member of the Track and Field and Cross Country teams. "At UW-SP, I learned that I seemed to get better as the distances got longer, so to me, ultra-running was a logic sport," said Bitter.

References

{{DEFAULTSORT:Bitter, Zach Year of birth missing (living people) Living people American male ultramarathon runners University of Wisconsin–Stevens Point alumni