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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 2026

Africa

29 - 31 May 2026

MYUTMB

Koichiro SAKURAI

Koichiro SAKURAI

Nationality

Japan

Age

50-54 Men

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0

UTMB Index

Index

20K

50K

100K

100M

621

-

479

584

621

Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

09.19.2025

Vietnam Mountain Marathon - World Trail Majors 2025 - VMM 100km

100K

101.6 KM
5500 M+

21:08:02

38 / 298

34 / 252

06.21.2025

Kaga Spa by UTMB 2025 - 2025 Kaga Spa Trail Endurance100

100K

99.8 KM
6150 M+

20:44:51

89 / 455

75 / 388

03.23.2025

Osj Shinshiro Trail 2025 - OSJ SHINSHIRO TRAIL 32K

50K

31.2 KM
2520 M+

06:03:48

134 / 604

126 / 531

11.16.2024

FTR Chichibu＆ Okumusashi 2024 - FTR100MILE

100M

163.7 KM
8890 M+

30:13:34

24 / 39

23 / 37

10.11.2024

Kodiak Ultra Marathons by UTMB 2024 - 100M

100M

159.3 KM
4100 M+

25:56:52

50 / 210

41 / 173

08.10.2024

Osaka Natsunojin Kurondo Rondo 2024 - 90K

100K

96.4 KM
4960 M+

19:36:47

22 / 25

20 / 22

05.24.2024

TokyoGrandTrail 2024 - TokyoGrandTrail 2024 100mile

100M

159 KM
11000 M+

34:13:37

9 / 93

8 / 69

08.11.2023

Osaka Natsunojin Kurondo Rondo 2023 - 90K

100K

96.4 KM
4960 M+

19:23:22

6 / 29

6 / 27

07.08.2023

志賀高原100 2023 - Shiga Kogen - 志賀高原100（100km）

100K

107 KM
4800 M+

17:19:08

36 / 335

33 / 277

05.20.2023

Trainic-World 100mile & 100km in Sainokuni 2023 - 100mile

100M

158 KM
9550 M+

29:39:52

16 / 110

16 / 99

Statistics

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

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