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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

Alexandra BOLDIREFF

Nationality

Switzerland

Age

55-59 Women

UTMB Index

Index

20K

50K

100K

100M

421

416

418

-

-

Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

08.23.2025

Le Belier 2025 - Trail 27km | Le Bélier

20K

27 KM
1190 M+

03:44:36

620 / 1172

125 / 395

08.09.2025

SIERRE-ZINAL 2025

50K

31.3 KM
2190 M+

-

DNF

DNF

07.12.2025

Trail Verbier St Bernard by UTMB 2025 - Verbier Marathon

50K

42.4 KM
2940 M+

09:35:37

900 / 1395

176 / 318

09.14.2024

Trail des Dents du Midi 2024 - DDM Trail - 1er relais

20K

24.8 KM
1039 M+

03:33:18

53 / 65

23 / 30

08.10.2024

SIERRE-ZINAL 2024

50K

31.3 KM
2190 M+

05:48:41

1511 / 1555

246 / 254

09.16.2023

Trail des Dents du Midi 2023 - Ddm Trail 57K

50K

59 KM
3900 M+

11:50:52

247 / 315

47 / 60

09.17.2022

Trail des Dents du Midi 2022 - Ddm Trail 57K

20K

26.9 KM
1370 M+

04:39:54

293 / 321

56 / 63

09.18.2021

Trail des Dents du Midi 2021 - DDM Trail - 1er relais

20K

27.8 KM
1600 M+

03:58:43

42 / 75

19 / 34

09.19.2020

Trail des Dents du Midi 2020 - DDM Trail - 1er relais

20K

27.8 KM
1580 M+

04:13:34

46 / 62

19 / 24

08.22.2020

MATTERHORN ULTRAKS 2020 - MOUNTAIN

50K

32.1 KM
2000 M+

05:50:52

412 / 602

136 / 234

Statistics

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

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