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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

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

01 - 02 March 2025

South America

18 - 22 March 2026

26 - 28 June 2026

31 July - 02 August 2026

17 - 20 September 2026

18 - 22 November 2025

Africa

29 - 31 May 2026

MYUTMB

Koki NAKABUCHI

Nationality

Japan

Age

20-34 Men

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UTMB Index

Index

20K

50K

100K

100M

735

733

716

-

-

Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

11.22.2025

SKY HUNTER 士林越野 2025

20K

23.7 KM
1350 M+

02:22:23

2 / 275

2 / 211

11.15.2025

FTR Chichibu＆ Okumusashi 2025 - FTR50

50K

55.1 KM
2850 M+

05:52:36

5 / 622

5 / 529

11.02.2025

Jyoetsumyoko Express Trail 2025 - 35K

50K

35 KM
1839 M+

03:25:18

1 / 160

1 / 125

03.23.2025

Osj Shinshiro Trail 2025 - OSJ SHINSHIRO TRAIL 32K

50K

31.2 KM
2520 M+

04:57:43

20 / 604

19 / 531

01.25.2025

Nara Ishibutai 100 2025 - Nara Ishibutai 100 40km

50K

40 KM
2660 M+

04:44:33

1 / 73

1 / 58

12.01.2024

Rokko 24 peaks hunt 2024 - 47k

50K

48.1 KM
2794 M+

05:55:23

1 / 157

1 / 141

07.28.2024

KAKITSU 2024 - 30k

20K

31.2 KM
1710 M+

03:49:59

2 / 143

2 / 122

03.31.2024

HASETSUNE 30K 2024

50K

30 KM
2000 M+

03:58:45

32 / 936

30 / 845

02.12.2024

KATANO Big Rock Trail 2024 - Single

20K

23.1 KM
1130 M+

02:27:36

7 / 389

7 / 277

01.27.2024

Nara Ishibutai 100 2024 - Nara Ishibutai 100 33km

50K

33 KM
2400 M+

04:38:10

1 / 18

1 / 14

Statistics

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

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