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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

Brendan O'DONNELL (Brendan DONNELL)

Nationality

United States of america

Age

45-49 Men

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UTMB Index

Index

20K

50K

100K

100M

465

-

-

467

-

Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

05.04.2025

Miwok 100K 2025

100K

99.9 KM
3360 M+

14:10:39

164 / 259

124 / 182

06.25.2022

Western States Endurance Run 2022 - Western States 100-Mile Endurance Run

100M

161.2 KM
5570 M+

-

DNF

DNF

02.20.2020

Mt Umunhum Trail Run 2020 - 52K

50K

52.1 KM
1821 M+

05:58:30

18 / 72

16 / 58

09.21.2019

Coastal 50KM & Marathon 2019 - Coastal 50KM

50K

49.1 KM
1790 M+

06:36:40

17 / 69

12 / 40

05.04.2019

Miwok 100K 2019

100K

99.9 KM
3360 M+

-

DNF

DNF

04.12.2019

Zion 2019 - 100 Mile

100M

154.3 KM
3030 M+

29:28:16

69 / 149

58 / 115

11.03.2018

RIO DEL LAGO 100 2018 - 100 MILES

100M

166.9 KM
3300 M+

28:49:47

188 / 251

136 / 171

10.06.2018

Skyline to the Sea 2018 - 50K

50K

50 KM
914 M+

05:48:28

46 / 198

34 / 103

05.05.2018

Miwok 100K 2018

100K

98.5 KM
3030 M+

13:19:23

112 / 287

96 / 215

05.13.2017

Quicksilver 2017 - 100 Km

100K

100.5 KM
4220 M+

14:23:11

72 / 160

65 / 127

Statistics

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

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