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UTMB World Series Events

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Africa

29 - 31 May 2026

Asia

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

30 April - 03 May 2026

10 - 12 April 2026

14 - 15 March 2026

06 - 08 March 2026

South America

26 - 28 June 2026

31 July - 02 August 2026

17 - 20 September 2026

18 - 22 November 2026

20 - 22 March 2026

North America

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

08 - 11 April 2027

22 - 25 April 2027

15 - 17 May 2026

16 - 18 April 2026

Oceania

26 - 28 November 2026

13 - 14 February 2027

14 - 17 May 2026

MYUTMB

Caro OBRIEN

United Kingdom

45-49 Women

20K

Unavailable UTMB Index

50K

Unavailable UTMB Index

100M

Unavailable UTMB Index

How does the calculation work?

Evolution

Results

2026

May 2

100K

Isle of Wight Challenge

Isle of Wight Challenge

Cat.

100K

country

Distance

106 KM

2100 M+

Time

21:50:55

Rank

216

416

Gender

59

144

2025

September 13

100K

100K CHALLENGE

Thames Path Challenge

Cat.

100K

country

Distance

100 KM

430 M+

Time

22:08:10

Rank

444

700

Gender

110

225

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

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