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UTMB World Series Events

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Asia

19 - 22 June 2025

26 - 28 September 2025

17 - 19 October 2025

17 - 19 October 2025

14 - 16 November 2025

29 November - 07 December 2025

16 - 18 May 2025

01 - 04 May 2025

11 - 20 April 2025

01 - 02 March 2025

South America

19 - 21 June 2025

01 - 03 August 2025

18 - 21 September 2025

18 - 22 November 2025

18 - 22 March 2026

North America

28 - 29 June 2025

24 - 26 July 2025

18 - 21 September 2025

27 - 28 September 2025

02 - 04 October 2025

09 - 11 October 2025

09 - 12 April 2026

23 - 25 April 2026

Oceania

27 - 29 November 2025

14 - 15 February 2026

14 - 17 May 2026

Africa

29 - 31 May 2026

Click here to follow the races live for Kaga Spa Trail Endurance 100 by UTMB

Click here to follow the races live for Kaga Spa Trail Endurance 100 by UTMB

Click here to follow the races live for Torrencial Chile by UTMB

Click here to follow the races live for Torrencial Chile by UTMB

Click here to follow the races live for La Sportiva Lavaredo Ultra Trail by UTMB

Click here to follow the races live for La Sportiva Lavaredo Ultra Trail by UTMB

Click here to follow the races live for Monte Rosa Walserwaeg by UTMB

Click here to follow the races live for Monte Rosa Walserwaeg by UTMB

MY UTMB

Heather ROSZCZYK

Nationality

United States of america

Age

45-49 Women

UTMB Index

Index

20K

50K

100K

100M

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Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

08.22.2020

Burning River Endurance Run 2020 - Back 50 Mile

50K

81.9 KM
1290 M+

11:38:15

13 / 31

5 / 10

07.27.2019

Burning River Endurance Run 2019 - 100 Mile

100M

163.6 KM
2700 M+

29:08:28

122 / 163

20 / 28

07.29.2017

Burning River Endurance Run 2017 - 50 Mile

50K

80.8 KM
1180 M+

12:57:14

107 / 156

30 / 55

07.08.2017

Buckeye trail 50k 2017

50K

50 KM
800 M+

07:51:02

101 / 132

25 / 38

06.17.2017

Mohican Trail 2017 - MARATHON RACE

50K

43 KM
1100 M+

07:06:51

75 / 150

25 / 70

Statistics

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

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