Skip to Content

UTMB World Series Events

Select the event you're interested in

Register to discover the race

South America

09 - 12 May 2024

02 - 04 August 2024

19 - 22 September 2024

Oceania

16 - 19 May 2024

28 - 30 November 2024

15 - 16 February 2025

Africa

24 - 26 May 2024

22 - 23 June 2024

North America

29th June 2024

19 - 20 July 2024

20 - 22 September 2024

28 - 29 September 2024

11 - 12 October 2024

07 - 09 November 2024

11 - 13 April 2025

25 - 26 April 2025

Asia

12 - 13 October 2024

17 - 20 October 2024

08 - 10 November 2024

05 - 08 December 2024

03 - 05 May 2024

19 - 21 April 2024

MY UTMB

Stefan KOZLOWSKI

Nationality

United Kingdom

Age

35-39 Men

UTMB Index

Index

20K

50K

100K

100M

-

-

-

-

-

Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

04.28.2018

Highland Fling Race 2018 - 53 Mile Ultra Race

100K

86 KM
1940 M+

09:07:35

45 / 673

40 / 493

08.02.2015

THE PEAKS SKYRACE 2015

50K

46.5 KM
1685 M+

05:33:51

25 / 130

25 / 102

06.27.2015

10 Peaks The Lakes 2015 - Long Course

100K

76 KM
5000 M+

15:34:01

22 / 65

19 / 61

06.06.2015

Calderdale Way Ultra Trail Races 2015 - 50.5 Miles

100K

81.4 KM
2580 M+

09:56:43

5 / 38

5 / 30

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..