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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

Nathanon KOYSOMBOON

Nationality

Thailand

Age

45-49 Men

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UTMB Index

Index

20K

50K

100K

100M

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Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

11.23.2025

Trailtajor 2025 - PTJ50

50K

49 KM
1830 M+

11:31:13

61 / 78

45 / 57

01.18.2025

LKL-DMT Mountain Trails 2025 - DMT40-2025

50K

41 KM
2921 M+

-

DNF

DNF

07.22.2023

100M

134.3 KM
8600 M+

-

DNF

DNF

12.09.2022

Doi Inthanon by UTMB 2022 - SUMMIT160

100M

170 KM
10010 M+

-

DNF

DNF

12.26.2021

BIG BLUE ULTRA TRAIL PHUKET 2021

50K

56.8 KM
3240 M+

-

DNF

DNF

10.30.2020

THAILAND BY UTMB 2020 - Inthanon 6

100M

175 KM
7850 M+

-

DNF

DNF

12.07.2019

Tanaosri Trail 2019

100M

117.4 KM
6380 M+

31:01:32

94 / 139

86 / 122

11.15.2019

Pong Yaeng Trail 2019 - Pong Yaeng Trail 120

100M

123.4 KM
5550 M+

32:59:03

112 / 170

91 / 139

10.18.2019

Ultra-Trail® Chiangrai 2019 - 122Km

100M

122.1 KM
5260 M+

28:07:04

23 / 93

19 / 76

08.18.2019

Khao Khram Trail 2019 - Khao Khram Trail 40

50K

41.2 KM
2090 M+

12:11:06

140 / 140

107 / 107

Statistics

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

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