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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

10 - 12 April 2026

30 April - 03 May 2026

18 - 21 June 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

16 - 18 May 2025

11 - 20 April 2025

01 - 02 March 2025

South America

18 - 22 March 2026

26 - 28 June 2026

31 July - 02 August 2026

17 - 20 September 2026

18 - 22 November 2025

Africa

29 - 31 May 2026

MYUTMB

Arthit CHAIYASO

Arthit CHAIYASO

Nationality

Thailand

Age

35-39 Men

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UTMB Index

Index

20K

50K

100K

100M

338

-

261

339

-

Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

08.09.2025

100K

75.2 KM
4729 M+

21:33:33

129 / 151

92 / 110

05.03.2025

Amazean Jungle Thailand by UTMB 2025 - TUNNEL 100K

100K

92 KM
3670 M+

23:41:57

71 / 73

59 / 61

10.26.2024

Ultra-Trail Nan 100 2024 - Ultra-trail Nan 60

50K

63.8 KM
3450 M+

-

DNF

DNF

06.23.2024

Doichang Trail 2024 - DCT35

50K

35.3 KM
2131 M+

10:48:58

149 / 162

99 / 107

05.21.2023

Phatad Trail 2023 - Phatad Trail 35 KM

50K

35 KM
1774 M+

09:41:37

116 / 130

79 / 88

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

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