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UTMB World Series Events

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Oceania

15 - 16 February 2025

15 - 18 May 2025

27 - 29 November 2025

Asia

01 - 02 March 2025

11 - 20 April 2025

01 - 04 May 2025

16 - 18 May 2025

19 - 22 June 2025

05 - 08 December 2024

15 - 17 November 2024

08 - 10 November 2024

17 - 20 October 2024

11 - 13 October 2024

South America

18 - 22 March 2025

19 - 21 June 2025

01 - 03 August 2025

18 - 21 September 2025

North America

11 - 13 April 2025

25 - 26 April 2025

28 - 29 June 2025

25 - 26 July 2025

19 - 21 September 2025

27 - 28 September 2025

02 - 04 October 2025

10 - 11 October 2025

Africa

22 - 26 May 2025

MY UTMB

Zachary BOSTROM

Nationality

United States of america

Age

35-39 Men

UTMB Index

Index

20K

50K

100K

100M

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Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

09.13.2014

RUN THE RUT 2014 - RUN THE RUT 50K

50K

49.9 KM
3050 M+

10:57:25

265 / 286

197 / 213

05.10.2014

DON'T FENCE ME IN TRAIL RUN 2014

20K

30 KM
1300 M+

04:40:32

140 / 148

87 / 90

05.11.2013

DON'T FENCE ME IN TRAIL RUN 2013

20K

30 KM
1300 M+

03:32:15

70 / 129

58 / 91

05.12.2012

MCDONALD FOREST 50K 2012

50K

50.9 KM
2050 M+

06:08:06

102 / 238

84 / 167

04.15.2012

PETERSON RIDGE RUMBLE 2012 - PETERSON RIDGE RUMBLE 40M

50K

66.3 KM
1150 M+

06:53:03

96 / 147

75 / 107

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UTMB® World Series - Ranking of trail runners by performance level on trail running

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