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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

13 - 15 March 2026

10 - 12 April 2026

30 April - 03 May 2026

18 - 21 June 2026

11 - 13 September 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

11 - 20 April 2025

South America

18 - 22 March 2026

26 - 28 June 2026

31 July - 02 August 2026

17 - 20 September 2026

18 - 22 November 2026

Africa

29 - 31 May 2026

MYUTMB

Kazuki SERIZAWA

Nationality

Japan

Age

45-49 Men

UTMB Index

Index

20K

50K

100K

100M

422

-

422

351

-

Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

11.15.2025

FTR Chichibu＆ Okumusashi 2025 - FTR50

50K

55.1 KM
2850 M+

09:28:11

212 / 622

185 / 529

07.13.2025

OSJ Ontake 100 2025 - 100 Km

100K

99.5 KM
3395 M+

18:25:59

792 / 879

670 / 748

04.26.2025

MtFUJI100 2025 - KAI 70k

100K

70.2 KM
3052 M+

15:42:59

466 / 872

391 / 698

12.11.2022

IZU Trail Journey 2022 - ITJ70k

100K

69.1 KM
3242 M+

12:00:25

806 / 1340

703 / 1131

Statistics

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

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