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Anton Krupicka

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Anton Krupicka
Anton Krupicka heading to 2013's Ultra-Trail du Mont Blanc starting line
Personal information
Born (1983-08-02) August 2, 1983 (age 40)
Height5’ 10.75”in
Weight160 lb (73 kg)
Country United States
TeamLa Sportiva
Turned pro2006
Coached bySelf

Anton Krupicka (born 2 August 1983) is an American ultra-runner. He has won the Leadville 100 twice,[1] the Miwok 100K,[2] the Rocky Raccoon 100 Miler,[3] the Collegiate Peaks 50 Miler, the White River 50 Miler twice (Set 2010 CR 6:25:29),[4] the High Mountain 50k and the Estes Park Marathon.

Krupicka has set 26 Fastest Known Time running records, including the speed record for the 28-mile Maroon Bells 4 Passes Loop in 2009.[5][6] He also came in second in the Western States Endurance Run in 2010 in what would have been a course record time of 15:13:53.[7]

His surname is pronounced as "crew-pitch-kuh".

Training and personal life


Krupicka is known for his long hair and beard as well as his minimalist approach to life. He often runs without a shirt and with very lightweight minimal running shoes. He ran his first marathon when he was twelve years old. During college and in his early 20s he often ran upwards of 200 miles a week. Krupicka is featured in the film Indulgence: 1000 Miles Under The Colorado Sky[8] which chronicles his Summer 2007 training leading up to the Leadville Trail 100.

Krupicka grew up near Niobrara, Nebraska.[9] He used to be a graduate student at the University of Colorado, but dropped out to be a professional runner. Krupicka earned his BA from Colorado College[10] in 2005, double-majoring in physics and philosophy. In 2006, he completed a second BA at Colorado College in geology.


  1. ^ "LT100 RUN Race Results". www.leadvilletrail100.com. Archived from the original on February 20, 2011.
  2. ^ "Miwok 100K Trail Race - Official Website". Run100s.com. 1952-10-16. Retrieved 2013-12-13.
  3. ^ "Archived copy". www.tejastrails.com. Archived from the original on 7 February 2007. Retrieved 22 May 2022.{{cite web}}: CS1 maint: archived copy as title (link)
  4. ^ "White River 50 Mile Endurance Run". Whiteriver50.com. Archived from the original on 2019-09-20. Retrieved 2013-12-13.
  5. ^ "Anton Krupicka | Fastest Known Time". fastestknowntime.com. Retrieved 2024-01-02.
  6. ^ "Maroon Bells 4 Passes Loop | Fastest Known Time". fastestknowntime.com. Retrieved 2024-01-02.
  7. ^ "Western States Endurance Run". Ws100.com. Archived from the original on 2010-11-19. Retrieved 2013-12-13.
  8. ^ "Indulgence_Home". Negativesplit.net. Archived from the original on 2013-11-01. Retrieved 2013-12-13.
  9. ^ ParkLife: An Interview With Anton Krupicka Retrieved 2017-08-09.
  10. ^ "Colorado College". Coloradocollege.edu. 2013-12-07. Archived from the original on 2013-11-02. Retrieved 2013-12-13.