Skip to Content

UTMB World Series Events

Select the event you're interested in

Register to discover the race

Asia

12 - 14 June 2026

18 - 21 June 2026

11 - 13 September 2026

11 - 13 September 2026

02 - 04 October 2026

16 - 18 October 2026

06 - 08 November 2026

13 - 15 November 2026

28 November - 06 December 2026

10 - 12 December 2026

08 - 10 January 2027

30 April - 03 May 2026

10 - 12 April 2026

14 - 15 March 2026

06 - 08 March 2026

South America

26 - 28 June 2026

31 July - 02 August 2026

17 - 20 September 2026

18 - 22 November 2026

20 - 22 March 2026

North America

27 - 28 June 2026

23 - 25 July 2026

14 - 16 August 2026

21 - 23 August 2026

10 - 12 September 2026

17 - 20 September 2026

01 - 03 October 2026

08 - 11 October 2026

13 - 15 November 2026

08 - 11 April 2027

22 - 25 April 2027

14 - 16 May 2027

16 - 18 April 2026

Oceania

26 - 28 November 2026

13 - 14 February 2027

13 - 16 May 2027

Africa

29 - 31 May 2026

MYUTMB

Connect to claim this page

Romeo BALLESTEROS JR

United States of America

45-49 Men

20K

Unavailable UTMB Index

50K

Unavailable UTMB Index

100M

Unavailable UTMB Index

How does the calculation work?

Evolution

Results

2025

December 5

100K

ELEPHANT 100-2025

Chiangmai Thailand by UTMB®

Cat.

100K

country

Distance

96 KM

4600 M+

Time

15:52:13

Rank

120

993

Gender

96

784

2019

May 4

100K

50 Mile

The North Face Endurance Challenge New York

Cat.

100K

country

Distance

81.1 KM

2410 M+

Time

11:42:09

Rank

105

316

Gender

94

267

2017

May 13

100K

Goretex 50 Mile

The North Face Endurance Challenge New York

Cat.

100K

country

Distance

80.4 KM

2010 M+

Time

12:36:41

Rank

170

255

Gender

161

232

2016

April 30

100K

Goretex 50 Mile

TNF Endurance Challenge New York Bear Mountain

Cat.

100K

country

Distance

80.4 KM

2010 M+

Time

13:44:32

Rank

312

329

Gender

271

282

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..