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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

Gregory GRELLET

Nationality

Thailand

Age

35-39 Men

UTMB Index

Index

20K

50K

100K

100M

460

457

449

-

-

Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

11.23.2025

Trailtajor 2025 - PTJ24

20K

24 KM
1020 M+

05:21:50

86 / 207

57 / 104

11.08.2025

SAMUI TRAIL 2025 - SAMUI TRAIL (SMT55)

50K

55 KM
2977 M+

15:22:25

26 / 57

23 / 46

09.07.2025

PHUKET TRAIL 2025 - PHUKET TRAIL (PKT55)

50K

54 KM
3200 M+

13:35:06

14 / 46

13 / 36

07.13.2025

LA-AI TRAIL 2025 - LAAI-27

20K

27 KM
1060 M+

04:12:10

6 / 130

6 / 85

06.07.2025

Kapong Trail PhangNga (The Grand Canyon) 2025 - KAPONG TRAIL (KTP55)

50K

55 KM
3522 M+

16:42:11

19 / 38

15 / 32

05.25.2025

Mahasamut Trail 2025 - Mahasamut25

20K

25 KM
1759 M+

04:09:14

36 / 429

35 / 278

10.12.2024

PhaNgan Trail 2024 - PHANGAN TRAIL (PNT55)

50K

55 KM
2538 M+

13:52:23

14 / 58

13 / 46

09.08.2024

PHUKET TRAIL 2024 - PHUKET TRAIL (PKT40)

50K

40 KM
2170 M+

08:44:56

5 / 54

5 / 38

08.11.2024

SAMUI TRAIL 2024 - SAMUI TRAIL (SMT25)

20K

25 KM
1657 M+

05:03:25

7 / 64

7 / 46

07.28.2024

LA-AI TRAIL 2024 - LAAI-T25

20K

25 KM
1400 M+

07:13:35

8 / 28

8 / 20

Statistics

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

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