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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

01 - 03 October 2026

08 - 11 October 2026

13 - 15 November 2026

26 - 28 September 2025

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

William DAI

Nationality

United States of America

Age

55-59 Men

UTMB Index

Index

20K

50K

100K

100M

556

-

518

542

556

Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

11.30.2025

Quad Dipsea 2025

50K

45 KM
3000 M+

05:41:43

62 / 259

55 / 192

06.28.2025

Western States® 100-Mile Endurance Run 2025 - Western States 100-Mile Endurance Run

100M

162.2 KM
5790 M+

23:33:00

80 / 285

59 / 210

11.30.2024

Quad Dipsea 2024

50K

45 KM
3000 M+

05:38:38

65 / 265

53 / 190

09.29.2024

Dick Collins Firetrails 2024 - 50Mi

100K

80.1 KM
2420 M+

10:08:56

13 / 75

11 / 47

05.04.2024

Miwok 100K 2024

100K

99.9 KM
3360 M+

12:49:40

56 / 222

45 / 160

09.24.2023

Dick Collins Firetrails 2023 - 50Mi

100K

80.3 KM
2420 M+

09:28:54

10 / 99

7 / 63

05.14.2023

Quicksilver Endurance Runs 2023 - 100k

100K

100 KM
3900 M+

14:46:01

38 / 99

31 / 81

11.06.2022

Rio Del Lago 100 Mile Endurance Run 2022

100M

160 KM
4267 M+

22:09:16

22 / 194

17 / 133

09.25.2022

Dick Collins Firetrails 2022 - 50Mi

100K

83.9 KM
2600 M+

10:41:45

19 / 96

16 / 64

08.08.2022

Skyline 50k 2022 - 50KM

50K

49.9 KM
1430 M+

05:32:59

37 / 197

29 / 121

Statistics

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

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