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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

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02 - 04 October 2025

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Asia

06 - 08 March 2026

10 - 12 April 2026

30 April - 03 May 2026

18 - 21 June 2026

11 - 13 September 2026

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29 November - 07 December 2025

14 - 16 November 2025

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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

Siwat YOTHASON

Nationality

Thailand

Age

20-34 Men

UTMB Index

Index

20K

50K

100K

100M

326

327

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-

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Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

05.04.2025

CHIANGRAI TRAIL at Pangkhon-Romyen To Doichang 2025 - PKDCT17

20K

19 KM
1100 M+

03:23:23

22 / 51

16 / 33

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