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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

26 - 28 June 2026

31 July - 02 August 2026

18 - 21 September 2025

Oceania

27 - 29 November 2025

14 - 15 February 2026

14 - 17 May 2026

Africa

29 - 31 May 2026

MY UTMB

Kobayashi ISAMU

Nationality

Japan

Age

70-74 Men

UTMB Index

Index

20K

50K

100K

100M

364

317

363

341

-

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+

18:27:15

797 / 879

674 / 748

06.15.2025

Okumusashi Long Trail Race 105K & 35K 2025 - THE 3RD OKUMUSASHI LONG TRAIL RACE 35K

50K

35 KM
2338 M+

09:08:05

437 / 554

394 / 495

10.06.2024

Trainic-World In Ogose-Tokigawa 2024 - 30km

20K

30 KM
1400 M+

06:14:39

168 / 204

145 / 174

06.08.2024

Okushinano100 2024 - 50K

50K

52.4 KM
2390 M+

10:21:15

304 / 341

202 / 226

05.12.2024

FunTrails Round Minano 2024 - 50k

50K

53 KM
2870 M+

10:25:14

410 / 494

361 / 428

09.23.2023

Sky View Trail 2023 - Sky View Trail 80

100K

80 KM
4640 M+

22:08:23

351 / 376

298 / 317

05.14.2023

FunTrails Round Minano 2023 - 50k

50K

53 KM
2870 M+

10:20:53

341 / 394

296 / 332

07.17.2022

OSJ Ontake 100 2022 - 100 Km

100K

106.5 KM
2430 M+

19:28:43

713 / 785

630 / 689

06.04.2022

Minakami Trail Race 2022 - Minakami Trail Race 80K

100K

95.7 KM
4980 M+

-

DNF

DNF

11.03.2019

Koshu Alps Haute Route Challenge 2019 - Lily Route Challenge

50K

53 KM
3240 M+

11:49:06

128 / 137

110 / 117

Statistics

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

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