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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

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William JEFFCOTT

United Kingdom

20-34 Men

20K

Unavailable UTMB Index

100K

Unavailable UTMB Index

100M

Unavailable UTMB Index

How does the calculation work?

Evolution

Results

2026

May 16

50K

UTS 50K

Ultra-Trail Snowdonia by UTMB®

Cat.

50K

country

Distance

56 KM

3400 M+

Time

-

Rank

DNF

Gender

DNF

2025

May 17

50K

UTS 50K

Ultra-Trail Snowdonia by UTMB®

Cat.

50K

country

Distance

57.7 KM

3370 M+

Time

09:46:52

Rank

177

965

Gender

146

761

2023

July 9

50K

XTERRA Snowdonia Trail Marathon

XTERRA Snowdonia Trail Marathon

Cat.

50K

country

Distance

44.1 KM

1694 M+

Time

05:12:16

Rank

27

440

Gender

22

342

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

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