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UTMB World Series Events

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North America

02 - 04 October 2025

09 - 11 October 2025

22 - 23 November 2025

05 - 07 March 2026

09 - 12 April 2026

23 - 25 April 2026

27 - 28 June 2026

24 - 25 July 2026

14 - 16 August 2026

26 - 28 September 2025

18 - 21 September 2025

Asia

17 - 19 October 2025

17 - 19 October 2025

17 - 19 October 2025

08 - 09 November 2025

14 - 16 November 2025

29 November - 07 December 2025

06 - 08 March 2026

15 - 17 May 2026

26 - 28 September 2025

19 - 22 June 2025

01 - 04 May 2025

11 - 20 April 2025

01 - 02 March 2025

South America

18 - 22 November 2025

18 - 22 March 2026

31 July - 02 August 2026

18 - 21 September 2025

19 - 21 June 2025

Oceania

27 - 29 November 2025

14 - 15 February 2026

14 - 17 May 2026

Africa

29 - 31 May 2026

MY UTMB

Ryosuke IHARA

Nationality

Japan

Age

40-44 Men

UTMB Index

Index

20K

50K

100K

100M

614

-

-

614

594

Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

07.13.2025

OSJ Ontake 100 2025 - 100 Km

100K

99.5 KM
3395 M+

10:44:24

29 / 879

28 / 748

05.17.2025

Trainic-World 100mile & 100km in Sainokuni 2025 - 100mile

100M

161 KM
9550 M+

31:50:47

18 / 104

17 / 96

10.11.2024

LAKE BIWA 100 2024 - LAKE BIWA100

100M

169 KM
10500 M+

36:40:05

34 / 245

29 / 181

06.07.2024

Tamba 100 Adventure Trail 2024 - 100 mile

100M

168 KM
16210 M+

52:46:09

16 / 32

14 / 28

05.11.2024

Mt. Hiei International Trail Run 2024 - 50mile

100K

75.6 KM
6180 M+

11:27:21

54 / 55

51 / 52

10.06.2023

LAKE BIWA 100 2023 - LAKE BIWA100

100M

169 KM
10500 M+

38:38:03

77 / 248

67 / 204

09.17.2022

Shinetsu Five Mountains Trail 2022 - 100 miles

100M

162.6 KM
7730 M+

31:06:53

106 / 223

94 / 190

05.21.2022

Mt. Hiei International Trail Run 2022 - 50mile

100K

75.6 KM
6180 M+

-

DNF

DNF

11.06.2021

OSJ KAMI100 2021 - 100K

100M

110.3 KM
6190 M+

20:55:26

122 / 252

108 / 222

09.22.2019

Sky View Trail Yamada Noboru 2019 - Memorial Cup

100M

143.1 KM
10220 M+

33:32:42

314 / 579

284 / 506

Statistics

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

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