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UTMB World Series Events

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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

Cass COULSTON

United Kingdom

45-49 Women

100K

Unavailable UTMB Index

100M

Unavailable UTMB Index

How does the calculation work?

Evolution

Results

2026

March 28

50K

Bath 50 - Full 50KM

Bath 50 Challenge

Cat.

50K

country

Distance

50 KM

1014 M+

Time

11:06:27

Rank

651

857

Gender

242

374

2025

March 29

20K

29km Half Challenge

Bath 50 Challenge

Cat.

20K

country

Distance

29 KM

666 M+

Time

06:14:55

Rank

190

535

Gender

111

379

2024

June 22

50K

Cotswold Challenge -1st half

Cotswold Challenge

Cat.

50K

country

Distance

54.1 KM

1470 M+

Time

14:33:41

Rank

260

326

Gender

127

167

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

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