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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

10 - 12 September 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

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

Africa

29 - 31 May 2026

MYUTMB

Karol KLESZCZEWSKI

Nationality

Poland

Age

40-44 Men

UTMB Index

Index

20K

50K

100K

100M

439

440

395

-

-

Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

11.22.2025

Borecka Łękuk Trail 2025 - Litygajno 45km

20K

45 KM
425 M+

04:44:16

43 / 97

33 / 61

10.04.2025

Bison Ultra-Trail® 2025 - Bison Ultra 50

50K

52 KM
740 M+

06:06:38

147 / 299

126 / 230

10.05.2024

Bison Ultra-Trail® 2024 - Bison Trail 30

20K

32.9 KM
250 M+

03:29:12

130 / 407

110 / 272

10.07.2023

Bison Ultra-Trail® 2023 - Bison Trail 35

20K

37 KM
520 M+

04:02:36

69 / 257

58 / 173

10.01.2022

Bison Ultra-Trail® 2022 - Bison Trail 35

20K

35.9 KM
610 M+

04:16:31

130 / 318

98 / 203

10.02.2021

Bison Ultra-Trail® 2021 - Bison Trail 35

20K

35.9 KM
610 M+

04:12:44

153 / 388

121 / 241

10.03.2020

Bison Ultra-Trail® 2020 - Bison Trail 35

20K

35.9 KM
610 M+

04:30:14

299 / 414

211 / 280

Statistics

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

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