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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

21 - 23 August 2026

17 - 20 September 2026

01 - 03 October 2026

08 - 11 October 2026

13 - 15 November 2026

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

16 - 18 October 2026

06 - 08 November 2026

10 - 12 December 2026

29 November - 07 December 2025

14 - 16 November 2025

17 - 19 October 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

William SERGUEFF

Nationality

France

Age

50-54 Men

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UTMB Index

Index

20K

50K

100K

100M

357

-

356

-

-

Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

03.22.2025

EcoTrail Paris® 2025 - Trail 80km

50K

80.9 KM
1200 M+

12:49:01

2265 / 2303

1985 / 2016

06.25.2023

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

50K

43.6 KM
2550 M+

09:00:15

1771 / 2279

1467 / 1832

10.31.2021

Greenweez MaXi-Race 2021 - Marathon-eXpérience

50K

45.5 KM
2422 M+

07:42:55

397 / 725

333 / 575

07.03.2021

EcoTrail Paris Ile-de-France® 2021 - Trail 30 km

20K

31 KM
470 M+

02:34:22

49 / 1484

47 / 1184

05.26.2019

Salomon Gore-Tex MaXi-Race 2019 - Marathon Race

50K

40.7 KM
2570 M+

06:57:16

665 / 1929

619 / 1560

03.16.2019

EcoTrail Paris Ile-de-France® 2019 - Trail 30 km

20K

29.7 KM
440 M+

02:27:30

163 / 2968

159 / 2154

09.15.2018

Trail du Grand Sénonais 2018 - 50km

50K

49.2 KM
1110 M+

05:57:29

49 / 171

47 / 153

03.17.2018

EcoTrail Paris Ile-de-France® 2018 - Trail 45km

50K

45 KM
890 M+

05:00:52

437 / 1393

403 / 1168

03.29.2014

Ecotrail® De Paris Ile-De-France 2014 - Trail 80 Km

50K

80.3 KM
1491 M+

11:11:27

958 / 1320

886 / 1207

Statistics

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

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