Skip to Content

UTMB World Series Events

Select the event you're interested in

Register to discover the race

Oceania

14 - 15 February 2026

14 - 17 May 2026

26 - 28 November 2026

North America

05 - 07 March 2026

09 - 12 April 2026

23 - 25 April 2026

15 - 17 May 2026

27 - 28 June 2026

23 - 25 July 2026

14 - 16 August 2026

17 - 20 September 2026

08 - 11 October 2026

13 - 15 November 2026

02 - 04 October 2025

26 - 28 September 2025

Asia

06 - 08 March 2026

14 - 15 March 2026

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

10 - 12 December 2026

29 November - 07 December 2025

14 - 16 November 2025

08 - 09 November 2025

17 - 19 October 2025

11 - 20 April 2025

South America

18 - 22 March 2026

26 - 28 June 2026

31 July - 02 August 2026

17 - 20 September 2026

18 - 22 November 2026

Africa

29 - 31 May 2026

MYUTMB

Michael LOEFFLER

Michael LOEFFLER

Nationality

United States of America

Age

45-49 Men

Connect to claim this page

Michael LOEFFLER

Club

PETALUMA RUNNING CLUB

Website

https://SANFRANCISCOTHERAPY.COM

About the runner

Psychotherapist for Trail and UltraRunners!

UTMB Index

Index

20K

50K

100K

100M

434

-

-

419

-

Races

date

Race

country

Cat.

Distance /
m+

Time

Rank

Gender

Score

04.13.2025

Gorge Waterfalls 2025 - 100K

100K

98.9 KM
3312 M+

-

DNF

DNF

08.30.2024

HOKA UTMB Mont-Blanc 2024 - CCC

100K

101 KM
6050 M+

25:23:08

1334 / 1636

1075 / 1288

09.22.2023

Mammoth trail fest 2023 - 26k

20K

27.7 KM
1310 M+

03:55:51

259 / 496

176 / 273

04.29.2023

The Canyons Endurance Runs by UTMB® 2023 - 100 Km

100K

101.4 KM
5095 M+

17:40:13

305 / 391

235 / 298

04.09.2022

Lake Sonoma 50 Miler 2022 - Lake Sonoma 50

100K

80.9 KM
3200 M+

12:33:04

177 / 250

121 / 159

Statistics

Filter by UTMB INDEX

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

Join us

Sponsorship

Race Organisers

Jobs

Stay in Touch

FAQ and Help

Contact Us

Follow us

Terms & conditions

Privacy Policy

Cookies preferences

©2024 UTMB® all rights reserved. Ultra-Trail® and UTMB® are registered trademarks..