Worldwide 2017 – 2018 Ultramarathon Calendar

Looking for a comprehensive guide to 2017 – 2018 ultramarathons organized around the world? You can browse our list of half marathons or filter down the selection to a specific location, month or type of race. You’ll find iconic 100 milers, shorter races to test yourself in the ultra world, road races, mountain races, races in deserts. The diversity of ultra races is really amazing.

We consider any race longer than 42.195km or 26.1mi to be an ultramarathon if it is run in a single stage. If you’re looking for races that have a specific fixed duration (ex : 24hr races), you can check the X-hour race calendar. If you like races run on several stages across several days, check our Multiday race calendar

If you’re looking for new 2013 – 2014 ultramarathons to compete in, this is the place to start searching. More than 1,800 ultramarathons are listed in over 75 countries around the world.

3,343 races

"Round Ripon" Ultra Studley Roger

October 07, 2017 Race day in 2 months
United Kingdom / England / North Yorkshire / Studley Roger, Ripon
Ultramarathon

"Running for the Bay!" Marathon

October 22, 2017 Race day in 3 months
USA / South Atlantic / Florida / Apalachicola Bay
Ultramarathon
Road Running Wheelchair

(un)Pleasant Hill Trail Runs

April 08, 2017 The race has already taken place.
USA / East South Central / Kentucky / Harrodsburg
Ultramarathon

10 Peaks Brecon Beacons

September 09, 2017 Race day in about 2 months
United Kingdom / Wales / Powys / Talybont-on-Usk
Ultramarathon
Trail Mountain UTMB Qualifier

10 Peaks Brecon Beacons

September 09, 2017 Race day in about 2 months
United Kingdom / Wales / Powys / Talybont-on-Usk
Ultramarathon
Trail Mountain UTMB Qualifier

10 Peaks The Lakes

June 24, 2017 The race has already taken place.
United Kingdom / England / Cumbria / Lake District
Ultramarathon
Trail Mountain UTMB Qualifier

10 Peaks The Lakes

June 24, 2017 The race has already taken place.
United Kingdom / England / Cumbria / Lake District
Ultramarathon
Trail Mountain UTMB Qualifier

10 Peaks The Lakes

June 24, 2017 The race has already taken place.
United Kingdom / England / Cumbria / Lake District
Ultramarathon
Trail Mountain UTMB Qualifier

100 Bornes du Père Noël

December 16, 2016 The race has already taken place.
French Guiana / Kourou
Ultramarathon
Relay

100 Capital Classic

September 23, 2017 Race day in about 2 months
South Africa / Pietermaritzburg
Ultramarathon

100 KMS Pedestres Región de Murcia "Los Alcázares"

February 11, 2017 The race has already taken place.
Spain / Region of Murcia / Los Alcázares
Ultramarathon
Relay

100 Km Pharonic Race

November 17, 2017 Race day in 4 months
Egypt / Faiyum
Ultramarathon
Desert
Refine by