Skip to Content

UTMB World Series Events

Select the event you're interested in

Register to discover the race

South America

02 - 04 August 2024

19 - 22 September 2024

09 - 12 May 2024

North America

20 - 22 September 2024

28 - 29 September 2024

11 - 12 October 2024

07 - 09 November 2024

11 - 13 April 2025

25 - 26 April 2025

25 - 26 July 2025

29th June 2024

Asia

12 - 13 October 2024

17 - 20 October 2024

08 - 10 November 2024

15 - 17 November 2024

05 - 08 December 2024

01 - 04 May 2025

19 - 21 April 2024

Oceania

28 - 30 November 2024

15 - 16 February 2025

15 - 18 May 2025

Africa

22 - 25 May 2025

22 - 23 June 2024

MY UTMB

Stefano MAZZAFERRO

Nationality

Brazil

Age

20-34 Men

Connect to claim this page

UTMB Index

Index

20K

50K

100K

100M

511

-

441

-

-

Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

06.24.2023

Trail 100 Andorra by UTMB® 2023 - Trail 50K

50K

50.8 KM
3680 M+

10:33:23

293 / 521

250 / 432

06.11.2022

KTR Serra Fina 2022 - KTR SERRA FINA 25K

20K

26.6 KM
1948 M+

04:31:17

32 / 179

30 / 117

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..