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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

13 - 15 March 2026

10 - 12 April 2026

30 April - 03 May 2026

18 - 21 June 2026

11 - 13 September 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

11 - 20 April 2025

South America

18 - 22 March 2026

26 - 28 June 2026

31 July - 02 August 2026

17 - 20 September 2026

18 - 22 November 2026

Africa

29 - 31 May 2026

MYUTMB

Natthasak CHAICHANA

Natthasak CHAICHANA

Nationality

Thailand

Age

55-59 Men

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UTMB Index

Index

20K

50K

100K

100M

356

-

355

346

-

Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

11.15.2025

Pocari Sweat Trail 2025 - PST50

50K

47.4 KM
2487 M+

12:02:36

285 / 452

209 / 320

12.07.2024

Chiangmai Thailand by UTMB® 2024 - HMONG 50-2024

50K

50 KM
2030 M+

11:44:44

1677 / 2167

1160 / 1459

10.12.2024

Pong Yaeng Trail 2024 - NPT

50K

58 KM
3470 M+

13:17:20

88 / 221

61 / 150

08.30.2024

HOKA UTMB Mont-Blanc 2024 - CCC

100K

101 KM
6050 M+

26:56:32

1632 / 1636

1286 / 1288

12.09.2023

Doi Inthanon by UTMB 2023 - HMONG 50

50K

50 KM
2870 M+

10:23:49

732 / 1332

522 / 900

09.01.2023

Dacia UTMB® Mont Blanc 2023 - CCC

100K

100 KM
6156 M+

-

DNF

DNF

12.10.2022

Doi Inthanon by UTMB 2022 - PAGODA50

50K

54.1 KM
3140 M+

13:50:45

710 / 1063

509 / 741

12.25.2021

The Westwind Trail 2021 - Sightseeing

20K

31.9 KM
1180 M+

07:18:45

134 / 151

79 / 85

12.11.2021

THAILAND BY UTMB 2021 - Inthanon 3

50K

54 KM
2800 M+

12:45:15

212 / 408

159 / 302

11.27.2021

50K

42.5 KM
2260 M+

09:49:44

127 / 327

98 / 205

Statistics

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

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