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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

Kotaro KOBAYASHI

Nationality

Japan

Age

35-39 Men

UTMB Index

Index

20K

50K

100K

100M

505

503

438

406

-

Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

03.15.2025

Mt. Hiei International Trail Run 2025 - 50mile

100K

75.6 KM
6180 M+

-

DNF

DNF

09.15.2024

Shinetsu Five Mountains Trail 2024 - 110km - Togakushi

100K

90 KM
3595 M+

18:14:55

308 / 345

249 / 272

06.08.2024

Okushinano100 2024 - 25K

20K

26.6 KM
1316 M+

03:30:04

9 / 52

9 / 35

05.25.2024

TokyoGrandTrail 2024 - TokyoGrandTrail 2024 50km

50K

59 KM
3900 M+

14:15:41

66 / 148

54 / 117

06.17.2023

“ROCKIN’ BEAR” 妙高トレイルランニングレース 2023 - “ROCKIN’ BEAR” 妙高トレイルランニングレース（48km）

50K

48 KM
2000 M+

07:15:49

180 / 427

157 / 356

09.15.2019

Shinetsu Five Mountains Trail 2019 - 110km

100K

109.7 KM
4870 M+

19:50:27

144 / 384

126 / 320

Statistics

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

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