Skip to Content

UTMB World Series Events

Select the event you're interested in

Register to discover the race

North America

02 - 04 October 2025

09 - 11 October 2025

22 - 23 November 2025

05 - 07 March 2026

09 - 12 April 2026

23 - 25 April 2026

27 - 28 June 2026

24 - 25 July 2026

14 - 16 August 2026

26 - 28 September 2025

18 - 21 September 2025

Asia

17 - 19 October 2025

17 - 19 October 2025

17 - 19 October 2025

08 - 09 November 2025

14 - 16 November 2025

29 November - 07 December 2025

06 - 08 March 2026

15 - 17 May 2026

26 - 28 September 2025

19 - 22 June 2025

01 - 04 May 2025

11 - 20 April 2025

01 - 02 March 2025

South America

18 - 22 November 2025

18 - 22 March 2026

31 July - 02 August 2026

18 - 21 September 2025

19 - 21 June 2025

Oceania

27 - 29 November 2025

14 - 15 February 2026

14 - 17 May 2026

Africa

29 - 31 May 2026

MY UTMB

Jonah BACKSTROM

Nationality

United States of america

Age

50-54 Men

UTMB Index

Index

20K

50K

100K

100M

708

583

711

-

-

Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

04.12.2025

Lake Sonoma Marathon 2025

50K

35 KM
1561 M+

03:35:22

8 / 187

8 / 106

09.15.2024

World Masters Mountain Running Championships 2024 - Long 34K

50K

34 KM
1967 M+

04:05:34

79 / 360

74 / 275

11.11.2023

Tunnel Hill 100 & 50 mile runs 2023 - Tunnel Hill 50 mile run

50K

80.4 KM
770 M+

06:15:57

9 / 345

7 / 200

08.07.2023

Ragged 75 Stage Race and 50k 2023 - Ragged 50K

50K

54.6 KM
1920 M+

05:36:24

15 / 138

13 / 103

06.19.2023

The Broken Arrow Skyrace 2023 - 23K

20K

21.7 KM
1440 M+

02:20:53

90 / 651

68 / 380

08.08.2022

Skyline 50k 2022 - 50KM

50K

49.9 KM
1430 M+

04:12:57

7 / 197

7 / 121

06.19.2022

The Broken Arrow Skyrace 2022 - 52K

50K

50.6 KM
3060 M+

06:14:50

72 / 442

54 / 299

11.27.2021

QUAD DIPSEA 2021

50K

45.7 KM
2800 M+

04:49:32

8 / 269

7 / 199

03.14.2020

Pioneer Spirit 2020 - 50M

50K

77.7 KM
1372 M+

07:38:17

10 / 67

10 / 52

10.05.2019

Dick Collins Firetrails 2019 - 50Mi

100K

80.1 KM
2420 M+

07:23:55

1 / 80

1 / 56

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..

Follow the races live