Skip to Content

UTMB World Series Events

Select the event you're interested in

Register to discover the race

North America

01 - 03 October 2026

08 - 11 October 2026

13 - 15 November 2026

04 - 06 March 2027

08 - 11 April 2027

22 - 25 April 2027

14 - 16 May 2027

04 - 06 June 2027

25 - 27 June 2027

22 - 24 July 2027

16 - 18 September 2027

23 - 26 September 2027

14 - 16 August 2026

27 - 28 June 2026

Asia

02 - 04 October 2026

16 - 18 October 2026

06 - 08 November 2026

13 - 15 November 2026

27 November - 06 December 2026

10 - 12 December 2026

08 - 10 January 2027

05 - 07 March 2027

09 - 11 April 2027

04 - 05 September 2027

11 - 13 September 2026

18 - 21 June 2026

12 - 14 June 2026

30 April - 03 May 2026

10 - 12 April 2026

14 - 15 March 2026

South America

18 - 22 November 2026

01 - 04 April 2027

24 - 27 June 2027

30 July - 01 August 2027

23 - 26 September 2027

Oceania

26 - 28 November 2026

13 - 14 February 2027

13 - 16 May 2027

Africa

27 - 30 May 2027

MYUTMB

Connect to claim this page

Ryan BOSSA

United States of America

20-34 Men

20K

Unavailable UTMB Index

50K

Unavailable UTMB Index

100K

Unavailable UTMB Index

How does the calculation work?

Evolution

Result

How is my score calculated?

Why isn't my result appearing?

2026

September 18

100M

100M

Grindstone Trail Running Festival by UTMB

Cat.

100M

country

Distance

167.4 KM

6400 M+

Time

26:35:32

Rank

15

121

Gender

11

109

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

MyUTMB+

Follow us

Terms & conditions

Privacy Policy

Cookies preferences

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