Skip to Content

UTMB World Series Events

Select the event you're interested in

Register to discover the race

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

26 - 28 June 2026

31 July - 02 August 2026

18 - 21 September 2025

Oceania

27 - 29 November 2025

14 - 15 February 2026

14 - 17 May 2026

Africa

29 - 31 May 2026

MY UTMB

Nathan LASSANCE

Nationality

Belgium

Age

20-34 Men

Connect to claim this page

UTMB Index

Index

20K

50K

100K

100M

634

625

628

577

-

Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

07.19.2025

Ultra Tour des 4 Massifs 2025 - Ut4M 100 Master

100K

75.1 KM
3477 M+

10:22:10

67 / 416

63 / 363

06.27.2025

Marathon du Mont-Blanc 2025 - Km Vertical

-

3.8 KM
1000 M+

00:59:15

140 / 541

119 / 397

06.15.2025

Trail du Saint-Jacques by UTMB® 2025 - Monistrail - 50K

50K

52.8 KM
1810 M+

05:35:58

100 / 1665

96 / 1366

06.01.2025

Courses du Taennchel 2025 - Le Trail du Taennchel

20K

33.7 KM
1506 M+

03:18:57

14 / 155

13 / 129

05.17.2025

Grand Trail Des Lacs Et Chateaux Summer Edition (GTLC) 2025 - GT42

50K

44.2 KM
1592 M+

04:33:06

8 / 497

8 / 359

08.24.2024

Grand Raid des Pyrénées 2024 - Tour des Lacs

100K

80 KM
5000 M+

10:20:03

63 / 1303

61 / 1108

08.11.2024

Trail Des Fantômes 2024 - 23km

20K

23 KM
950 M+

02:26:03

4 / 368

4 / 262

07.27.2024

La 6000D Trail de légende 2024 - 6 D Marathon

50K

43.7 KM
2110 M+

04:28:21

28 / 581

28 / 438

06.25.2023

Marathon du Mont-Blanc 2023 - 42 Km du Mont-Blanc

50K

43.6 KM
2550 M+

05:58:28

272 / 2279

240 / 1832

04.15.2023

Verlaine's Runners Trail 2023 - Verlaine's Runners Trail 20k

20K

20 KM
800 M+

02:09:15

15 / 88

15 / 74

Statistics

Filter by UTMB INDEX

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

Join us

Sponsorship

Race Organisers

Jobs

Stay in Touch

FAQ and Help

Contact Us

Follow us

Terms & conditions

Privacy Policy

©2024 UTMB® all rights reserved. Ultra-Trail® and UTMB® are registered trademarks..

Follow the races live