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UTMB World Series Events

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South America

18 - 22 March 2026

26 - 28 June 2026

31 July - 02 August 2026

17 - 20 September 2026

18 - 22 November 2026

North America

09 - 12 April 2026

16 - 18 April 2026

23 - 26 April 2026

15 - 17 May 2026

27 - 28 June 2026

23 - 25 July 2026

14 - 16 August 2026

21 - 23 August 2026

10 - 12 September 2026

17 - 20 September 2026

01 - 03 October 2026

08 - 11 October 2026

13 - 15 November 2026

Asia

10 - 12 April 2026

30 April - 03 May 2026

12 - 14 June 2026

18 - 21 June 2026

11 - 13 September 2026

11 - 13 September 2026

02 - 04 October 2026

16 - 18 October 2026

06 - 08 November 2026

10 - 12 December 2026

14 - 15 March 2026

06 - 08 March 2026

29 November - 07 December 2025

14 - 16 November 2025

Oceania

14 - 17 May 2026

26 - 28 November 2026

13 - 14 February 2027

Africa

29 - 31 May 2026

MYUTMB

Cassie SONNENBERG

Nationality

United States of America

Age

40-44 Women

UTMB Index

Index

20K

50K

100K

100M

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Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

09.24.2023

Sawatch ascent 50k 2023 - 50k

50K

53.1 KM
2135 M+

07:25:41

46 / 121

13 / 51

09.23.2023

West line winder 2023 - 50k

50K

49.3 KM
1350 M+

05:51:20

34 / 132

12 / 70

07.30.2022

Never Summer 100k 2022 - 60K

50K

59.3 KM
2360 M+

08:30:21

35 / 223

9 / 96

07.30.2021

Never Summer 100k 2021 - 60K

50K

59.3 KM
2360 M+

08:35:31

18 / 151

6 / 70

10.04.2015

Blue Sky trail marathon 2015

50K

43 KM
1070 M+

04:50:41

68 / 204

10 / 72

Statistics

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