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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

26 - 28 June 2026

31 July - 02 August 2026

18 - 21 September 2025

Oceania

27 - 29 November 2025

14 - 15 February 2026

14 - 17 May 2026

Africa

29 - 31 May 2026

MY UTMB

Nathamon CHAIYO

Nationality

Thailand

Age

35-39 Women

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UTMB Index

Index

20K

50K

100K

100M

423

424

416

-

-

Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

08.09.2025

50K

39.2 KM
2572 M+

07:14:46

46 / 308

4 / 104

05.04.2025

CHIANGRAI TRAIL at Pangkhon-Romyen To Doichang 2025 - PKDCT25

20K

25 KM
1300 M+

04:11:56

12 / 63

2 / 24

10.26.2024

Ultra-Trail Nan 100 2024 - Ultra-trail Nan 30

20K

31 KM
1470 M+

05:04:05

22 / 96

4 / 39

Statistics

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

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