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UTMB World Series Events

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North America

19 - 20 July 2024

20 - 22 September 2024

28 - 29 September 2024

11 - 12 October 2024

07 - 09 November 2024

11 - 13 April 2025

25 - 26 April 2025

29th June 2024

South America

02 - 04 August 2024

19 - 22 September 2024

09 - 12 May 2024

Asia

12 - 13 October 2024

17 - 20 October 2024

08 - 10 November 2024

15 - 17 November 2024

05 - 08 December 2024

03 - 05 May 2024

19 - 21 April 2024

Oceania

28 - 30 November 2024

15 - 16 February 2025

15 - 18 May 2025

Africa

22 - 25 May 2025

22 - 23 June 2024

MY UTMB

Jason KOSTER

Nationality

United States

Age

45-49 Men

UTMB Index

Index

20K

50K

100K

100M

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Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

09.01.2018

RUN THE RUT 2018 - 28K

20K

28.4 KM
2105 M+

07:34:24

410 / 518

252 / 296

06.20.2015

RIVER OF NO RETURN ENDURANCE RUNS 2015 - RIVER OF NO RETURN ENDURANCE RUNS 50KM

50K

48 KM
2380 M+

07:22:53

92 / 134

56 / 72

01.17.2015

WILSON CREEK FROZEN 2015 - WILSON CREEK FROZEN 50KM

50K

50 KM
2170 M+

07:44:51

45 / 75

37 / 50

08.02.2014

WILD IDAHO 2014 - WILD IDAHO 50KM

50K

53.9 KM
3090 M+

08:53:19

9 / 28

4 / 11

10.07.2011

Foothills 50K Frenzy 2011

50K

48.3 KM
1780 M+

06:30:56

66 / 125

51 / 83

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UTMB® World Series - Ranking of trail runners by performance level on trail running

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