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UTMB World Series Events

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Asia

14 - 15 March 2026

10 - 12 April 2026

30 April - 03 May 2026

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

10 - 12 December 2026

06 - 08 March 2026

29 November - 07 December 2025

14 - 16 November 2025

South America

18 - 22 March 2026

26 - 28 June 2026

31 July - 02 August 2026

17 - 20 September 2026

18 - 22 November 2026

North America

09 - 12 April 2026

16 - 18 April 2026

23 - 25 April 2026

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

Oceania

14 - 17 May 2026

26 - 28 November 2026

13 - 14 February 2027

Africa

29 - 31 May 2026

MYUTMB

Jack WILLIAMSON

Nationality

United States of America

Age

20-34 Men

UTMB Index

Index

20K

50K

100K

100M

480

477

438

-

-

Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

09.20.2025

Mammoth trail fest 2025 - 50 Km

50K

50.7 KM
2150 M+

08:31:24

385 / 638

266 / 390

09.22.2024

Mammoth trail fest 2024 - 26k

20K

26 KM
1400 M+

03:30:50

192 / 527

126 / 278

09.17.2023

NOBLE CANYON 2023 - Noble Canyon 50K

50K

50 KM
1432 M+

07:09:04

81 / 231

70 / 165

Statistics

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

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