12-hour run

A 12-hour run is a form of ultramarathon in which each competitor tries to run as far as possible in 12 hours. The event is typically held on 1 to 2 mi (1.6 to 3.2 km) loops, but sometimes is held on 400-metre (0.25 mi) tracks.[1] Some races are held on trails and others are held on sidewalks in city parks. Top runners will often run 60 miles (97 km) or more (the best doing about 100 miles (160 km)), depending on conditions. Some participants will have a crew to help them, while others set up a camp with their equipment and supplies near the starting area, with good access from each loop.

Records

World records of 12 hour[2]
Women Men
Athlete Distance (m) Place Athlete Distance (m) Place
Road Satu Lipiäinen
 Finland 		153,600 Kokkola,  Finland
20 May 2023[3] 		Alexander Sorokin
 Lithuania 		177,410 Tel Aviv,  Israel
7 January 2022[4]
Track Camille Herron
 United States 		149,130 Phoenix  United States
9/10 December 2017 		Zach Bitter
 United States 		163,785 Phoenix  United States
14 December 2013

See also

References

  1. ^ If the loop is less than 1 km, run direction changes every 2-4 (sometimes 6) hours.
  2. ^ "201608 WBP WABP overall.pdf" (PDF). Archived from the original (PDF) on 2017-06-23. Retrieved 2016-11-16.
  3. ^ "Satu Lipiäinen rikkoi 12 tunnin juoksun ME:n!". yleisurheilu.fi (in Finnish). 21 May 2023. Retrieved 28 May 2023.
  4. ^ "IAU RECORDS COMMITTEE 2021 -2025" (PDF). The International Association of Ultrarunners (IAU). 12 May 2022. Retrieved 21 July 2022.
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