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.

3,271 races

Ultra Great Britain 2018

August 18, 2018 Race day in about 1 year
United Kingdom / Scotland / Dumfries and Galloway / Portpatrick
Ultramarathon - 214 miles

Transylvanian Bear Race

80 km
June 02, 2018 Race day in about 1 year
Romania / Viscri
Ultramarathon - 80 kilometers
Trail

TorTour de Ruhr

May 19, 2018 To be confirmed Race day in 12 months
Germany / North Rhine-Westphalia / Winterberg/ Duisburg
Ultramarathon - 230 kilometers

Trap Pond 50K, Marathon, and Half Marathon

Trap Pond 50K
April 29, 2018 To be confirmed Race day in 11 months
USA / South Atlantic / Delaware / Laurel
Ultramarathon - 50 kilometers
Altis Endurance Sports

Big Turtle 50 Miler and Marathon

50 Miler
April 28, 2018 Race day in 11 months
USA / East South Central / Kentucky / Morehead
Ultramarathon - 50 miles
Trail

Coastal Trail Series - Pembrokeshire

Coastal Trail Series - Pembrokeshire - Ultra
April 28, 2018 Race day in 11 months
United Kingdom / Wales / County of Pembrokeshire / Little Haven
Ultramarathon - 34 miles
UTMB Qualifier Endurance Life Trail

Ultra Trail des Monts de Flandres

80 km
April 22, 2018 Race day in 11 months
France / Nord-Pas-de-Calais / Nord / Bailleul
Ultramarathon - 80 kilometers

Convicts and Wenches

50 km Relay
April 22, 2018 Race day in 11 months
Australia / Tasmania / Greens Beach
Ultramarathon - 50 kilometers
Road Running Relay

Convicts and Wenches

50 km
April 22, 2018 Race day in 11 months
Australia / Tasmania / Greens Beach
Ultramarathon - 50 kilometers
Road Running

Loskop Ultra Marathon

Loskop Ultra Marathon
April 21, 2018 Race day in 11 months
South Africa / Middelburg
Ultramarathon - 50 kilometers

Cape Cod Trail Race - Run Forward. Give Back.

Cape Cod Trail Race - Run Forward. Give Back - Ultra
April 08, 2018 Race day in 10 months
USA / New England / Massachusetts / East Falmouth
Ultramarathon - 50 kilometers
Charity Trail

Coastal Trail Series - Exmoor

Coastal Trail Series - Exmoor - Ultra
April 07, 2018 Race day in 10 months
United Kingdom / England / Devon / Exmoor National Park
Ultramarathon - 34 miles
UTMB Qualifier Endurance Life Trail

Jabulani Challenge

Jabulani Challenge 45 km
April 07, 2018 Race day in 10 months
Australia / New South Wales / Lindfield
Ultramarathon - 45 kilometers
Walk Charity Trail

Nord Eifel Ultra - Oster

March 31, 2018 Race day in 10 months
Germany / North Rhine-Westphalia / Düren
Ultramarathon - 56.300 kilometers
Hilly

Old Mutual Two Oceans Marathon

Old Mutual Two Oceans Marathon
March 31, 2018 Race day in 10 months
South Africa / Cape Town
Ultramarathon - 56 kilometers
Road Running