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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

17 - 20 September 2026

08 - 11 October 2026

13 - 15 November 2026

02 - 04 October 2025

26 - 28 September 2025

Asia

06 - 08 March 2026

10 - 12 April 2026

30 April - 03 May 2026

18 - 21 June 2026

11 - 13 September 2026

10 - 12 December 2026

29 November - 07 December 2025

14 - 16 November 2025

08 - 09 November 2025

17 - 19 October 2025

17 - 19 October 2025

16 - 18 May 2025

11 - 20 April 2025

01 - 02 March 2025

South America

18 - 22 March 2026

26 - 28 June 2026

31 July - 02 August 2026

17 - 20 September 2026

18 - 22 November 2025

Africa

29 - 31 May 2026

MYUTMB

Grzegorz DUCHNOWSKI

Grzegorz DUCHNOWSKI

Nationality

Poland

Age

20-34 Men

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UTMB Index

Index

20K

50K

100K

100M

599

600

519

477

551

Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

11.01.2025

Kullamannen by UTMB 2025 - North Shore

20K

22 KM
96 M+

01:26:15

13 / 549

13 / 364

09.26.2025

Nice Côte d’Azur by UTMB® 2025 - Ultra Trail Métropole Nice Côte d’Azur - 100M

100M

165 KM
8900 M+

-

DNF

DNF

07.04.2025

HOKA Val d’Aran by UTMB® 2025 - Torn dera Val d'Aran - VDA

100M

144.8 KM
7440 M+

-

DNF

DNF

05.25.2025

South Downs 2025 - South Downs 50K

50K

52 KM
1100 M+

04:55:27

21 / 212

17 / 152

03.22.2025

Chianti Ultra Trail by UTMB® 2025 - Ultra Trail Chianti Castles

100M

120 KM
5200 M+

17:04:12

98 / 471

78 / 414

01.25.2025

Arc Of Attrition by UTMB 2025 - Arc 50

100K

80 KM
2300 M+

12:20:11

103 / 348

85 / 290

12.07.2024

Winter on the Downs 55/100 miles 2024 - Winter on the Downs 55 miles

100K

89 KM
2286 M+

10:59:02

36 / 126

34 / 106

10.12.2024

RunThrough Trails Ladybower Reservoir Half Marathon & 50K Ultra 2024 - Ladybower 53K

50K

50.3 KM
1069 M+

06:16:12

211 / 785

186 / 581

09.14.2024

Wildstrubel by UTMB 2024 - Wild 110

100K

72 KM
3700 M+

14:54:57

693 / 731

637 / 670

08.31.2024

Peak District Ultras 2024 - Peveril 33

50K

55.8 KM
1915 M+

07:12:06

31 / 142

26 / 97

Statistics

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

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