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UTMB World Series Events

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North America

09 - 12 April 2026

16 - 18 April 2026

23 - 26 April 2026

15 - 17 May 2026

27 - 28 June 2026

23 - 25 July 2026

14 - 16 August 2026

21 - 23 August 2026

10 - 12 September 2026

17 - 20 September 2026

01 - 03 October 2026

08 - 11 October 2026

13 - 15 November 2026

Asia

10 - 12 April 2026

30 April - 03 May 2026

12 - 14 June 2026

18 - 21 June 2026

11 - 13 September 2026

11 - 13 September 2026

02 - 04 October 2026

16 - 18 October 2026

06 - 08 November 2026

13 - 15 November 2026

28 November - 06 December 2026

10 - 12 December 2026

14 - 15 March 2026

06 - 08 March 2026

Oceania

14 - 17 May 2026

26 - 28 November 2026

13 - 14 February 2027

Africa

29 - 31 May 2026

South America

26 - 28 June 2026

31 July - 02 August 2026

17 - 20 September 2026

18 - 22 November 2026

20 - 22 March 2026

MYUTMB

James O'BRIEN

Nationality

United States of America

Age

45-49 Men

UTMB Index

Index

20K

50K

100K

100M

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Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

12.01.2019

XTERRA Kualoa Trail Run 21K 2019

20K

21 KM
520 M+

02:31:24

177 / 580

133 / 373

08.20.2011

PIKES PEAK 2011 - Marathon

50K

42 KM
2376 M+

06:33:22

255 / 730

217 / 543

06.28.2011

ALETSCH SEMI-MARATHON 2011

20K

21.1 KM
1100 M+

03:45:00

1836 / 1899

1248 / 1278

08.22.2010

PIKES PEAK 2010 - Marathon

50K

42 KM
2376 M+

07:43:30

454 / 689

366 / 514

Statistics

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

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