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UTMB World Series Events

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North America

02 - 04 October 2025

09 - 11 October 2025

22 - 23 November 2025

05 - 07 March 2026

09 - 12 April 2026

23 - 25 April 2026

27 - 28 June 2026

24 - 25 July 2026

14 - 16 August 2026

26 - 28 September 2025

18 - 21 September 2025

Asia

17 - 19 October 2025

17 - 19 October 2025

17 - 19 October 2025

08 - 09 November 2025

14 - 16 November 2025

29 November - 07 December 2025

06 - 08 March 2026

15 - 17 May 2026

26 - 28 September 2025

19 - 22 June 2025

01 - 04 May 2025

11 - 20 April 2025

01 - 02 March 2025

South America

18 - 22 November 2025

18 - 22 March 2026

26 - 28 June 2026

31 July - 02 August 2026

18 - 21 September 2025

Oceania

27 - 29 November 2025

14 - 15 February 2026

14 - 17 May 2026

Africa

29 - 31 May 2026

MY UTMB

Isaac BOSTROM

Nationality

United States of america

Age

20-34 Men

UTMB Index

Index

20K

50K

100K

100M

500

-

499

-

-

Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

09.16.2024

The Rut Mountain Runs 2024 - 50k

50K

50 KM
3200 M+

08:29:41

176 / 545

135 / 357

09.05.2022

The Rut Mountain Runs 2022 - 50k

50K

50 KM
3200 M+

08:03:54

79 / 485

62 / 332

10.03.2020

Rock-Creek Stumpjump 2020 - 50K

50K

50 KM
1850 M+

06:15:38

17 / 224

17 / 167

09.01.2018

RUN THE RUT 2018 - 28K

20K

28.4 KM
2105 M+

05:06:29

94 / 518

80 / 296

Statistics

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

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