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UTMB World Series Events

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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

26 - 28 June 2026

31 July - 02 August 2026

18 - 21 September 2025

Oceania

27 - 29 November 2025

14 - 15 February 2026

14 - 17 May 2026

Africa

29 - 31 May 2026

MY UTMB

Isaac BARTSCH

Nationality

United States of america

Age

45-49 Men

UTMB Index

Index

20K

50K

100K

100M

524

-

-

526

-

Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

04.13.2025

Lake Sonoma 50 Miler 2025 - Lake Sonoma 50

100K

80.9 KM
3200 M+

10:43:43

38 / 140

26 / 92

04.08.2023

Lake Sonoma 50 Miler 2023 - Lake Sonoma 50

100K

80.9 KM
3200 M+

11:48:30

100 / 214

62 / 133

04.07.2018

Lake Sonoma 50 2018

100K

75.9 KM
3500 M+

12:45:30

234 / 292

175 / 213

12.16.2017

Woodside Ramble 2017 - 50K

50K

50.2 KM
1640 M+

04:37:48

11 / 89

11 / 56

05.06.2017

Miwok 100K 2017

100K

98.5 KM
3030 M+

13:00:43

109 / 285

90 / 212

05.07.2016

Miwok 100K 2016

100K

100.2 KM
3490 M+

14:20:40

194 / 289

158 / 235

Statistics

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

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