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UTMB World Series Events

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Asia

06 - 08 March 2026

14 - 15 March 2026

10 - 12 April 2026

30 April - 03 May 2026

12 - 14 June 2026

18 - 21 June 2026

11 - 13 September 2026

11 - 13 September 2026

02 - 04 October 2026

16 - 18 October 2026

06 - 08 November 2026

10 - 12 December 2026

29 November - 07 December 2025

14 - 16 November 2025

South America

18 - 22 March 2026

26 - 28 June 2026

31 July - 02 August 2026

17 - 20 September 2026

18 - 22 November 2026

North America

09 - 12 April 2026

16 - 18 April 2026

23 - 25 April 2026

15 - 17 May 2026

27 - 28 June 2026

23 - 25 July 2026

14 - 16 August 2026

21 - 23 August 2026

10 - 12 September 2026

17 - 20 September 2026

01 - 03 October 2026

08 - 11 October 2026

13 - 15 November 2026

Oceania

14 - 17 May 2026

26 - 28 November 2026

13 - 14 February 2027

Africa

29 - 31 May 2026

MYUTMB

Guillaume DENEFFE

Guillaume DENEFFE

Nationality

Belgium

Age

40-44 Men

Connect to claim this page

Team

Trakks Team Belgium

Sponsor(s)

TraKKs

UTMB Index

Index

20K

50K

100K

100M

815

719

761

791

804

Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

02.21.2026

ULTRA TRAIL DE LA SIBERIE 2026 - ULTRA TRAIL DE LA SIBERIE 42KM - MARATHON TRAIL

50K

42.5 KM
1500 M+

03:50:54

2 / 246

2 / 209

01.23.2026

Arc Of Attrition by UTMB 2026 - Arc 100

100M

161.2 KM
5300 M+

-

DNF

DNF

08.29.2025

HOKA UTMB Mont-Blanc 2025 - UTMB

100M

174 KM
9900 M+

22:11:32

17 / 1665

17 / 1444

07.27.2025

Millet XTrail Courchevel 2025 - XT 55km

50K

55 KM
3510 M+

06:34:03

2 / 204

2 / 177

06.14.2025

Trail 100 Andorra by UTMB® 2025 - Ultra 105K

100M

108.6 KM
6840 M+

17:27:11

24 / 407

24 / 376

06.01.2025

Ohm Trail 2025 - Ohm Trail XL

50K

55 KM
2880 M+

05:04:00

1 / 212

1 / 180

05.17.2025

Garda Trentino Trail 2025

100K

63.1 KM
4279 M+

06:54:36

8 / 434

8 / 347

04.26.2025

The Canyons Endurance Runs by UTMB® 2025 - 100K

100K

100 KM
3750 M+

10:29:43

25 / 526

20 / 413

11.30.2024

La Asics SaintéLyon 2024 - SainteLyon

100K

82 KM
2273 M+

07:14:21

35 / 6252

33 / 5546

08.30.2024

HOKA UTMB Mont-Blanc 2024 - UTMB

100M

173.3 KM
9525 M+

23:12:54

20 / 1760

17 / 1555

Statistics

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

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