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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

31 July - 02 August 2026

18 - 21 September 2025

19 - 21 June 2025

Oceania

27 - 29 November 2025

14 - 15 February 2026

14 - 17 May 2026

Africa

29 - 31 May 2026

MY UTMB

Michael O'BRIEN (Michael BRIEN)

Nationality

United States of america

Age

40-44 Men

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UTMB Index

Index

20K

50K

100K

100M

670

-

-

670

513

Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

08.25.2025

HOKA UTMB Mont-Blanc 2025 - TDS

100M

153 KM
9000 M+

31:22:52

268 / 1207

249 / 1066

09.28.2024

Ultra Trail Whistler by UTMB 2024 - 70K

100K

69 KM
3850 M+

08:30:47

5 / 200

5 / 167

08.20.2021

Wyoming Range 2021 - Wyoming Range 100

100M

169.8 KM
8840 M+

32:35:28

1 / 19

1 / 16

08.18.2018

Leadville Trail 100 Run 2018 - Leadville Trial 100 Run

100M

162.2 KM
4230 M+

23:14:22

48 / 378

45 / 319

07.08.2018

LEADVILLE SILVER RUSH 50 2018 - Silver Rush 50 Run

100K

81 KM
2530 M+

08:46:22

26 / 400

22 / 284

11.04.2017

MOAB TRAIL MARATHON 2017

50K

40 KM
1500 M+

04:25:08

36 / 446

32 / 277

06.18.2016

LEADVILLE TRAIL MARATHON 2016

50K

42 KM
1950 M+

04:26:10

16 / 510

16 / 367

07.12.2015

LEADVILLE SILVER RUSH 50 2015

50K

76.5 KM
2300 M+

08:33:14

22 / 355

19 / 262

06.20.2015

LEADVILLE TRAIL MARATHON 2015

50K

42 KM
1950 M+

04:16:05

10 / 538

10 / 382

06.28.2014

LEADVILLE TRAIL MARATHON 2014

50K

42 KM
1950 M+

04:16:50

8 / 425

8 / 324

Statistics

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

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