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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

Kenneth LETTERLE

Nationality

United States of America

Age

40-44 Men

UTMB Index

Index

20K

50K

100K

100M

513

496

485

442

515

Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

07.11.2025

HARDROCK 100 ENDURANCE RUN 2025 - 100Mi CW

100M

157.7 KM
9720 M+

38:42:03

46 / 114

39 / 92

01.25.2025

HK50 WEST 2025 - 25Km Individual

20K

25 KM
1220 M+

03:00:44

9 / 111

6 / 81

12.01.2024

Lantau 50 2024 - 50Km Individual

50K

55.4 KM
2980 M+

11:03:45

64 / 96

54 / 76

08.10.2024

Fat Dog Trail Race 2024 - Fatdog 120 Mile

100M

199.4 KM
8670 M+

43:48:01

51 / 85

41 / 67

07.12.2024

adidas TERREX Chongli 168 Ultra Trail 2024 - DTC

100K

93.2 KM
5520 M+

18:55:15

103 / 753

90 / 586

03.02.2024

Sai Kung 50 2024 - 54km

50K

54 KM
2965 M+

09:11:07

18 / 60

15 / 50

12.02.2023

Lantau 50 2023 - 50Km Individual

50K

55.4 KM
2980 M+

09:15:08

46 / 88

35 / 72

07.07.2023

adidas TERREX Chongli 168 Ultra Trail 2023 - DTC

100K

99.2 KM
5565 M+

21:30:31

196 / 844

166 / 658

06.26.2021

Western States Endurance Run 2021 - Western States 100-Mile Endurance Run

100M

161.2 KM
5570 M+

29:42:25

184 / 208

143 / 160

04.10.2021

Zion 2021 - Zion 50k

50K

47.8 KM
1050 M+

05:52:59

20 / 515

17 / 273

Statistics

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

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