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UTMB World Series Events

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Asia

08 - 09 November 2025

14 - 16 November 2025

29 November - 07 December 2025

06 - 08 March 2026

30 April - 03 May 2026

15 - 17 May 2026

18 - 21 June 2026

11 - 13 September 2026

10 - 12 December 2026

17 - 19 October 2025

17 - 19 October 2025

17 - 19 October 2025

11 - 20 April 2025

01 - 02 March 2025

South America

18 - 22 November 2025

18 - 22 March 2026

26 - 28 June 2026

31 July - 02 August 2026

18 - 21 September 2025

North America

21 - 23 November 2025

05 - 07 March 2026

09 - 12 April 2026

23 - 25 April 2026

27 - 28 June 2026

23 - 25 July 2026

14 - 16 August 2026

17 - 20 September 2026

08 - 11 October 2026

02 - 04 October 2025

26 - 28 September 2025

Oceania

27 - 29 November 2025

14 - 15 February 2026

14 - 17 May 2026

Africa

29 - 31 May 2026

MY UTMB

Ryosaku NAKAI

Nationality

Japan

Age

50-54 Men

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UTMB Index

Index

20K

50K

100K

100M

484

-

482

-

427

Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

10.10.2025

LAKE BIWA 100 2025 - LAKE BIWA100

100M

169 KM
10500 M+

-

DNF

DNF

04.25.2025

MtFUJI100 2025 - FUJI

100M

168.6 KM
6254 M+

-

DNF

DNF

04.06.2025

AYABE Trailrun 2025 - 50K

50K

51.4 KM
2410 M+

07:55:23

122 / 382

106 / 312

10.11.2024

LAKE BIWA 100 2024 - LAKE BIWA100

100M

169 KM
10500 M+

47:25:22

154 / 245

121 / 181

04.26.2024

MtFUJI100 2024 - FUJI

100M

166.6 KM
7039 M+

39:21:43

700 / 1443

636 / 1262

03.24.2024

Osj Shinshiro Trail 2024 - OSJ SHINSHIRO TRAIL 32K

50K

31.5 KM
2540 M+

06:45:54

259 / 573

228 / 492

10.08.2023

Hasetsune Cup 2023 - HASETSUNE CUP

100K

67 KM
4190 M+

15:09:26

570 / 1551

523 / 1332

04.09.2023

AYABE Trailrun 2023 - 48K

50K

51.4 KM
2410 M+

07:23:09

98 / 301

85 / 251

10.23.2022

Hiroshima Osorakan Trail 2022 - MIDDLE

20K

29.1 KM
2050 M+

04:51:28

31 / 128

29 / 114

10.27.2019

OSJ Hyonosen Trail 2019 - 78 Km

100K

80.7 KM
3410 M+

14:51:06

215 / 279

198 / 257

Statistics

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

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