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UTMB World Series Events

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North America

02 - 04 October 2025

09 - 11 October 2025

22 - 23 November 2025

05 - 07 March 2026

09 - 12 April 2026

23 - 25 April 2026

27 - 28 June 2026

24 - 25 July 2026

14 - 16 August 2026

26 - 28 September 2025

18 - 21 September 2025

Asia

17 - 19 October 2025

17 - 19 October 2025

17 - 19 October 2025

08 - 09 November 2025

14 - 16 November 2025

29 November - 07 December 2025

06 - 08 March 2026

15 - 17 May 2026

26 - 28 September 2025

19 - 22 June 2025

01 - 04 May 2025

11 - 20 April 2025

01 - 02 March 2025

South America

18 - 22 November 2025

18 - 22 March 2026

31 July - 02 August 2026

18 - 21 September 2025

19 - 21 June 2025

Oceania

27 - 29 November 2025

14 - 15 February 2026

14 - 17 May 2026

Africa

29 - 31 May 2026

MY UTMB

Tom JEFFERIES

Nationality

United Kingdom

Age

45-49 Men

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UTMB Index

Index

20K

50K

100K

100M

387

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-

387

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Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

01.25.2025

Arc Of Attrition by UTMB 2025 - Arc 50

100K

80 KM
2300 M+

-

DNF

DNF

01.27.2024

Arc Of Attrition 2024 - Arc50 50 miles

100K

82.1 KM
2570 M+

15:20:49

214 / 222

161 / 166

01.28.2023

Arc Of Attrition 2023 - Arc50 50 miles

100K

82.1 KM
2570 M+

-

DNF

DNF

Statistics

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

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