Skip to Content

UTMB World Series Events

Select the event you're interested in

Register to discover the race

Oceania

14 - 15 February 2026

14 - 17 May 2026

26 - 28 November 2026

North America

05 - 07 March 2026

09 - 12 April 2026

23 - 25 April 2026

15 - 17 May 2026

27 - 28 June 2026

23 - 25 July 2026

14 - 16 August 2026

17 - 20 September 2026

08 - 11 October 2026

13 - 15 November 2026

02 - 04 October 2025

26 - 28 September 2025

Asia

06 - 08 March 2026

13 - 15 March 2026

10 - 12 April 2026

30 April - 03 May 2026

18 - 21 June 2026

11 - 13 September 2026

10 - 12 December 2026

29 November - 07 December 2025

14 - 16 November 2025

08 - 09 November 2025

17 - 19 October 2025

17 - 19 October 2025

16 - 18 May 2025

11 - 20 April 2025

South America

18 - 22 March 2026

26 - 28 June 2026

31 July - 02 August 2026

17 - 20 September 2026

18 - 22 November 2026

Africa

29 - 31 May 2026

MYUTMB

Miriam BIELSKI

Nationality

New Zealand

Age

40-44 Women

UTMB Index

Index

20K

50K

100K

100M

479

477

-

-

-

Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

09.13.2025

Race Tekapo 2025 - 32K TRAIL RUN

20K

32 KM
610 M+

03:36:33

97 / 314

34 / 173

09.21.2024

Race Tekapo 2024 - 32K TRAIL RUN

20K

32 KM
610 M+

03:35:44

56 / 229

18 / 125

12.09.2023

The WILD 2023 - The WILD V1600

20K

30 KM
1600 M+

05:15:01

132 / 254

46 / 118

03.19.2022

Northburn 100 Miler 2022 - 50 Km

50K

51.2 KM
2470 M+

07:51:07

37 / 63

10 / 22

03.20.2021

Northburn 100 Miler 2021 - 50 Km

50K

51.2 KM
2470 M+

06:58:57

13 / 37

3 / 14

02.20.2021

Old Ghost Ultra 2021

100K

82.5 KM
3530 M+

11:37:36

99 / 200

22 / 62

07.13.2019

The WUU2K 2019 - 62km

50K

61.2 KM
2600 M+

09:47:18

128 / 171

23 / 32

03.16.2019

Northburn 100 Miler 2019 - 50 Km

50K

51.2 KM
2470 M+

08:31:38

31 / 52

8 / 17

07.14.2018

The WUU2K 2018 - 62km

50K

61.1 KM
2640 M+

09:03:53

68 / 114

12 / 28

03.17.2018

Northburn 100 Miler 2018 - 50 Km

50K

51.5 KM
2440 M+

08:10:46

16 / 39

3 / 16

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

Cookies preferences

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