Skip to Content

UTMB World Series Events

Select the event you're interested in

Register to discover the race

Oceania

14 - 17 May 2026

26 - 28 November 2026

13 - 14 February 2027

North America

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

08 - 11 April 2027

23 - 26 April 2026

16 - 18 April 2026

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

MYUTMB

Isobel HAMER

United Kingdom

45-49 Women

UTMB Index Race

Unavailable UTMB Index

20K

Unavailable UTMB Index

50K

Unavailable UTMB Index

100K

Unavailable UTMB Index

100M

Unavailable UTMB Index

How does the calculation work?

Evolution

Results

2026

April 18

20K

Windsor Challenge - 25km

Windsor 50 Challenge

Cat.

20K

country

Distance

25 KM

160 M+

Time

05:46:43

Rank

476

616

Gender

315

423

2024

April 6

20K

Easter Challenge - 25km

Easter Challenge

Cat.

20K

country

Distance

25 KM

160 M+

Time

05:02:27

Rank

172

548

Gender

108

385

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

Join us

Sponsorship

Race Organisers

Jobs

Stay in Touch

FAQ and Help

Contact Us

MyUTMB+

Follow us

Terms & conditions

Privacy Policy

Cookies preferences

©2024 UTMB® all rights reserved. Ultra-Trail® and UTMB® are registered trademarks..