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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

Guillaume PIERSON

Nationality

France

Age

40-44 Men

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0

UTMB Index

Index

20K

50K

100K

100M

557

331

553

558

-

Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

12.07.2025

Chiangmai Thailand by UTMB® 2025 - CHEDI 20

20K

17 KM
700 M+

03:13:55

404 / 941

279 / 544

12.05.2025

Chiangmai Thailand by UTMB® 2025 - ELEPHANT 100

100K

96 KM
4600 M+

14:42:12

79 / 993

64 / 784

10.16.2025

Le Grand Raid De La Réunion 2025 - La Diagonale Des Fous

100M

175 KM
10107 M+

-

DNF

DNF

06.28.2025

Trail De La Vallée Des Lacs 2025 - GRAND TRAIL DE LA VALLEE DES LACS

100K

81.6 KM
4704 M+

12:03:34

38 / 277

37 / 253

05.31.2025

UTTN Ultra Trail Tour Nancy 2025 - UTTN CHARDON 70

50K

70.6 KM
2191 M+

08:44:45

7 / 183

7 / 164

04.05.2025

LES VOSGIRUNNERS TRAILS NATURE 2025 - DÉFI DES SEIGNEURS

100K

81.3 KM
2900 M+

10:50:57

59 / 196

52 / 167

08.21.2022

Les Crêtes Vosgiennes 2022

20K

33 KM
1220 M+

03:20:39

52 / 538

49 / 433

10.24.2021

Thur Trail 2021 - Le Rosseberg

20K

27 KM
1090 M+

02:37:46

15 / 155

14 / 126

08.27.2021

100M

172.1 KM
10055 M+

-

DNF

DNF

07.15.2021

Ultra Tour des 4 Massifs 2021 - Ut4M 160 Challenge

100K

173.1 KM
11810 M+

25:44:26

58 / 410

58 / 366

Statistics

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

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