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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

14 - 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

Tomokazu SERIZAWA

Nationality

Japan

Age

50-54 Men

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UTMB Index

Index

20K

50K

100K

100M

312

313

-

-

-

Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

11.30.2025

Chiangmai Thailand by UTMB® 2025 - INTHANON 20

20K

20 KM
800 M+

03:53:42

369 / 721

221 / 364

06.16.2024

Kapong Trail PhangNga (The Grand Canyon) 2024 - KAPONG TRAIL (KTP18)

20K

18 KM
804 M+

06:17:41

82 / 141

57 / 85

06.18.2023

Kao Pratubchang Trail 2023 - 25K

20K

25.6 KM
773 M+

04:59:14

122 / 275

98 / 177

01.15.2023

Kheknoi Ultra Trail 2023 - KhekNoi36

50K

36 KM
1592 M+

07:51:36

102 / 156

78 / 101

Statistics

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

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