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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

31 July - 02 August 2026

18 - 21 September 2025

19 - 21 June 2025

Oceania

27 - 29 November 2025

14 - 15 February 2026

14 - 17 May 2026

Africa

29 - 31 May 2026

MY UTMB

Nitis SAISIRI

Nationality

Thailand

Age

50-54 Men

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UTMB Index

Index

20K

50K

100K

100M

486

459

485

378

464

Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

08.09.2025

100M

136.8 KM
8665 M+

-

DNF

DNF

04.26.2025

MtFUJI100 2025 - KAI 70k

100K

70.2 KM
3052 M+

20:12:11

825 / 872

680 / 698

12.06.2024

Chiangmai Thailand by UTMB® 2024 - TRANS-INT 160

100M

172 KM
8980 M+

-

DNF

DNF

10.11.2024

Pong Yaeng Trail 2024 - PYT160

100M

158.8 KM
9409 M+

41:37:41

59 / 165

52 / 139

09.15.2024

The Cave Run 2024 - TCR 21

20K

21 KM
861 M+

02:56:05

4 / 61

4 / 46

08.04.2024

20K

19.2 KM
1110 M+

02:51:54

30 / 341

27 / 200

06.16.2024

Kao Pratubchang Trail 2024 - 50K

50K

50.6 KM
1310 M+

06:44:07

7 / 89

7 / 68

12.08.2023

Doi Inthanon by UTMB 2023 - TRANS-INT 160

100M

175 KM
10030 M+

49:17:13

157 / 208

126 / 168

09.16.2023

PRIBPREE ECO TRAIL 2023 - PET 100 / Pribpree Eco Trail

100K

100 KM
4505 M+

-

DNF

DNF

07.22.2023

100M

134.3 KM
8600 M+

31:43:43

30 / 152

25 / 131

Statistics

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

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