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UTMB World Series Events

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Oceania

28 - 30 November 2024

15 - 16 February 2025

15 - 18 May 2025

Asia

05 - 08 December 2024

01 - 02 March 2025

11 - 20 April 2025

01 - 04 May 2025

16 - 18 May 2025

19 - 22 June 2025

15 - 17 November 2024

08 - 10 November 2024

17 - 20 October 2024

11 - 13 October 2024

South America

18 - 22 March 2025

02 - 04 May 2025

19 - 21 June 2025

01 - 03 August 2025

18 - 21 September 2025

North America

11 - 13 April 2025

25 - 26 April 2025

28 - 29 June 2025

25 - 26 July 2025

19 - 21 September 2025

27 - 28 September 2025

02 - 04 October 2025

10 - 11 October 2025

07 - 09 November 2024

Africa

22 - 25 May 2025

MY UTMB

Jim O'BRIEN

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

07.11.2015

Race To The Stones 2015 - Race to the stones 100K

100K

101.5 KM
1146 M+

15:44:29

356 / 862

281 / 599

05.14.2011

ICE AGE TRAIL 50 2011 - ICE AGE TRAIL 50 MILE

50K

81 KM
1200 M+

07:51:31

13 / 222

12 / 170

01.07.2011

Burning River Endurance Run 2011 - 100 Mile

100M

161 KM
2470 M+

20:23:45

13 / 143

10 / 113

10.30.2010

Javelina Jundred 2010 - 100 Miles

100M

162.9 KM
1960 M+

19:28:11

5 / 137

4 / 89

09.25.2010

Virgil Crest Ultras 2010 - 50M

100K

80.8 KM
3100 M+

09:42:00

1 / 33

1 / 27

Statistics

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

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