Skip to Content

UTMB World Series Events

Select the event you're interested in

Register to discover the race

Oceania

15 - 18 May 2025

27 - 29 November 2025

14 - 15 February 2026

Asia

16 - 18 May 2025

19 - 22 June 2025

26 - 28 September 2025

17 - 19 October 2025

17 - 19 October 2025

14 - 16 November 2025

01 - 04 May 2025

11 - 20 April 2025

01 - 02 March 2025

05 - 08 December 2024

Africa

22 - 25 May 2025

South America

19 - 21 June 2025

01 - 03 August 2025

18 - 21 September 2025

18 - 22 November 2025

18 - 22 March 2026

North America

28 - 29 June 2025

25 - 26 July 2025

19 - 21 September 2025

27 - 28 September 2025

02 - 04 October 2025

10 - 11 October 2025

25 - 26 April 2025

11 - 13 April 2025

MY UTMB

Chiwo LAI

Nationality

Hong Kong, China

Age

50-54 Men

UTMB Index

Index

20K

50K

100K

100M

258

259

-

-

-

Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

03.16.2025

AirFly Trail Race 2025 - AirFly Trail Race 20KM

20K

20 KM
921 M+

05:10:40

178 / 205

125 / 138

Statistics

Filter by UTMB INDEX

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

Join us

Sponsorship

Race Organisers

Jobs

Stay in Touch

FAQ and Help

Contact Us

Follow us

Terms & conditions

Privacy Policy

©2024 UTMB® all rights reserved. Ultra-Trail® and UTMB® are registered trademarks..