Skip to Content

UTMB World Series Events

Select the event you're interested in

Register to discover the race

Asia

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

06 - 08 March 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

Sylwester PIETRON

Nationality

United Kingdom

Age

35-39 Men

UTMB Index

Index

20K

50K

100K

100M

411

-

-

364

-

Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

02.28.2026

Chester Ultra 50 2026

50K

90 KM
770 M+

10:16:23

125 / 523

112 / 407

09.27.2025

Cheshire Ring Ultra 100 Mile 2025

100K

164 KM
345 M+

27:30:08

44 / 83

38 / 65

03.02.2024

Chester Ultra 50 2024

50K

90 KM
770 M+

11:15:57

122 / 385

107 / 287

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

Cookies preferences

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