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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

13 - 15 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

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

Naoki SHIROISHI

Nationality

Japan

Age

50-54 Men

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UTMB Index

Index

20K

50K

100K

100M

450

-

425

-

371

Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

05.25.2025

OSJ OKUKUJI TRIAL 2025 - LONG

50K

58.1 KM
3045 M+

13:05:44

157 / 184

144 / 168

04.25.2025

MtFUJI100 2025 - FUJI

100M

168.6 KM
6254 M+

42:21:18

1028 / 1509

948 / 1340

04.26.2024

MtFUJI100 2024 - FUJI

100M

166.6 KM
7039 M+

-

DNF

DNF

12.10.2023

IZU Trail Journey 2023 - ITJ70k

100K

69.1 KM
3242 M+

11:04:42

503 / 1364

445 / 1128

11.19.2022

FTR Chichibu＆ Okumusashi 2022 - 100k

100K

106.2 KM
5790 M+

29:07:34

407 / 514

362 / 452

09.17.2022

Shinetsu Five Mountains Trail 2022 - 110km

100K

109 KM
5330 M+

21:49:41

338 / 367

285 / 303

09.01.2019

OSJ Adatara Trail 2019 - 50km

50K

50.7 KM
3790 M+

14:36:09

218 / 233

192 / 204

06.02.2019

OSJ Okukuji Trail 2019 - 30 Km

20K

34.4 KM
1490 M+

05:28:59

100 / 313

90 / 255

Statistics

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

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