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UTMB World Series Events

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Oceania

14 - 15 February 2026

14 - 17 May 2026

26 - 28 November 2026

North America

05 - 07 March 2026

09 - 12 April 2026

23 - 25 April 2026

15 - 17 May 2026

27 - 28 June 2026

23 - 25 July 2026

14 - 16 August 2026

17 - 20 September 2026

08 - 11 October 2026

13 - 15 November 2026

02 - 04 October 2025

26 - 28 September 2025

Asia

06 - 08 March 2026

14 - 15 March 2026

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

10 - 12 December 2026

29 November - 07 December 2025

14 - 16 November 2025

08 - 09 November 2025

17 - 19 October 2025

11 - 20 April 2025

South America

18 - 22 March 2026

26 - 28 June 2026

31 July - 02 August 2026

17 - 20 September 2026

18 - 22 November 2026

Africa

29 - 31 May 2026

MYUTMB

Serena OBRIEN

Nationality

United States of America

Age

20-34 Women

UTMB Index

Index

20K

50K

100K

100M

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-

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Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

06.19.2023

The Broken Arrow Skyrace 2023 - 23K

20K

21.7 KM
1440 M+

04:21:05

557 / 651

207 / 271

06.18.2023

The Broken Arrow Skyrace 2023 - 46K

50K

41.2 KM
2596 M+

10:14:36

475 / 527

143 / 170

08.08.2022

Skyline 50k 2022 - 50KM

50K

49.9 KM
1430 M+

08:21:43

167 / 197

62 / 76

10.03.2021

The Broken Arrow Skyrace 2021 - 26K

20K

25.4 KM
1480 M+

04:33:16

297 / 362

112 / 149

05.15.2021

SMITH ROCK ASCENT 2021 - 50 Km

50K

49.6 KM
1440 M+

08:01:22

189 / 209

69 / 78

Statistics

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

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