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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

Stefan CZAJKOWSKI

Nationality

Poland

Age

20-34 Men

UTMB Index

Index

20K

50K

100K

100M

452

449

423

-

-

Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

04.26.2025

MIUT® - Madeira Island Ultra-Trail® 2025 - MIUT 42

50K

39.2 KM
1345 M+

06:20:45

418 / 703

308 / 443

07.20.2024

Lower Silesian Mountain Runs Festival 2024 - ZLOTY MARATON 45 km

50K

45 KM
2040 M+

06:51:12

261 / 665

222 / 482

10.08.2023

UltraKotlina 2023 - UltraKotlina30

20K

34 KM
1140 M+

04:17:14

127 / 255

99 / 169

07.06.2023

Ultramarathon Górski - 3 x Sniezka 2023 - Mini

20K

18.6 KM
1040 M+

02:23:47

93 / 358

74 / 202

Statistics

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

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