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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

Weerasak NIYAMABHA

Weerasak NIYAMABHA

Nationality

Thailand

Age

35-39 Men

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UTMB Index

Index

20K

50K

100K

100M

561

551

552

507

444

Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

11.30.2025

Chiangmai Thailand by UTMB® 2025 - INTHANON 50

50K

39 KM
2200 M+

07:28:54

338 / 815

259 / 569

08.24.2025

KOREST X TRAIL 2025 - KR-50

50K

51.3 KM
1280 M+

06:49:44

11 / 164

11 / 118

01.18.2025

Anta Hong Kong 100 ultra 2025 - Anta Hong Kong 100 Full-100

100K

102 KM
4882 M+

21:22:46

720 / 1512

544 / 1081

01.17.2025

Anta Hong Kong 100 ultra 2025 - Anta Hong Kong 100 HALF PHYSICAL

50K

57 KM
2014 M+

12:08:18

588 / 822

398 / 518

01.16.2025

Anta Hong Kong 100 ultra 2025 - Anta Hong Kong 100 THIRD PHYSICAL

20K

32.8 KM
1355 M+

06:00:32

295 / 752

214 / 447

11.08.2024

MOUNTAIN TRAIL THAILAND 2024 - MTT 222

100M

226 KM
13520 M+

47:21:15

20 / 21

16 / 17

10.20.2024

Khaoyai X Trail 2024 - KXT-50

50K

51.5 KM
1050 M+

05:39:51

6 / 239

6 / 179

09.01.2024

THAILAND EARTH TRAIL SERIES 2023 2024 - TETS-SRI 50KM

50K

50 KM
1303 M+

05:56:46

4 / 347

4 / 262

07.07.2024

Run for the Wild 2024 - 30K

20K

30.7 KM
780 M+

03:30:38

5 / 271

5 / 183

06.22.2024

Soi Malai TRAIL 2024 - SML 100

100K

103 KM
5500 M+

19:21:27

10 / 66

10 / 53

Statistics

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

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