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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

13 - 15 March 2026

10 - 12 April 2026

30 April - 03 May 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

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

Butler MARK

Nationality

United Kingdom

Age

50-54 Men

UTMB Index

Index

20K

50K

100K

100M

265

-

-

234

-

Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

05.03.2025

Isle of Wight Challenge 2025

100K

106 KM
2100 M+

27:14:43

368 / 465

268 / 318

05.18.2024

Jurassic Coast Challenge 2024 - 100km Challenge

100K

100.4 KM
2050 M+

31:18:19

489 / 537

361 / 391

09.02.2023

South Coast Challenge 2023 - South Coast 100km 2 Day

50K

100 KM
2140 M+

22:21:48

33 / 136

19 / 58

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

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