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UTMB World Series Events

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Asia

08 - 09 November 2025

14 - 16 November 2025

29 November - 07 December 2025

06 - 08 March 2026

30 April - 03 May 2026

15 - 17 May 2026

18 - 21 June 2026

11 - 13 September 2026

10 - 12 December 2026

17 - 19 October 2025

17 - 19 October 2025

17 - 19 October 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

North America

21 - 23 November 2025

05 - 07 March 2026

09 - 12 April 2026

23 - 25 April 2026

27 - 28 June 2026

23 - 25 July 2026

14 - 16 August 2026

17 - 20 September 2026

08 - 11 October 2026

02 - 04 October 2025

26 - 28 September 2025

Oceania

27 - 29 November 2025

14 - 15 February 2026

14 - 17 May 2026

Africa

29 - 31 May 2026

MY UTMB

Siebrand NIEWENHOUS

Nationality

United States of America

Age

50-54 Men

UTMB Index

Index

20K

50K

100K

100M

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-

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Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

06.17.2023

SALOMON Zugspitz Ultratrail powered by LEDLENSER 2023 - Leutasch Trail

100K

71 KM
3100 M+

13:57:57

299 / 355

230 / 273

04.25.2015

PROMISE LAND 2015

50K

51 KM
2440 M+

07:53:02

212 / 310

164 / 226

11.17.2012

JFK 50 MILE 2012

50K

81.8 KM
1350 M+

10:05:03

422 / 839

352 / 621

Statistics

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

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