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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

31 July - 02 August 2026

18 - 21 September 2025

19 - 21 June 2025

Oceania

27 - 29 November 2025

14 - 15 February 2026

14 - 17 May 2026

Africa

29 - 31 May 2026

MY UTMB

Calum NEFF

Nationality

Canada

Age

40-44 Men

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Sponsor(s)

Altra Running

Website

https://www.neff.run

UTMB Index

Index

20K

50K

100K

100M

846

-

842

652

-

Races

date

Race

country

Cat.

Distance /
mt+

Time

Rank

Gender

Score

04.26.2025

The Canyons Endurance Runs by UTMB® 2025 - 100K

100K

100 KM
3750 M+

-

DNF

DNF

02.08.2025

Black Canyon Ultras 2025 - 100K

100K

101 KM
1600 M+

09:52:49

55 / 775

39 / 549

11.20.2023

JFK 50 MILE 2023

50K

81.8 KM
1350 M+

05:38:38

2 / 22

2 / 13

11.16.2019

JFK 50 MILE 2019

50K

81.8 KM
1350 M+

-

DNF

DNF

04.06.2019

Brazos Bend 50 2019 - 50K

50K

47.7 KM
570 M+

02:59:00

1 / 190

1 / 88

04.07.2018

Brazos Bend 50 2018 - 50K

50K

47.7 KM
580 M+

03:13:54

1 / 156

1 / 73

02.17.2018

Moab's Red Hot 2018 - 33K

20K

33 KM
850 M+

02:17:21

5 / 298

5 / 143

07.15.2017

Tahoe Rim Trail Endurance Run 2017 - 55 Km

50K

54.9 KM
2030 M+

05:10:53

2 / 150

2 / 70

06.10.2017

Trail Sacred Forests 2017 - IAUTWC-Trail World Championships

50K

48.7 KM
2990 M+

05:42:23

110 / 240

82 / 140

04.23.2016

Brazos Bend 50 2016 - 50K

50K

50 KM
600 M+

03:10:26

1 / 190

1 / 102

Statistics

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

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