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

Everglades Ultras

February 17, 2018 Race day in 7 months
USA / South Atlantic / Florida / Fakahatchee Strand Preserve State Park
Ultramarathon
Trail

Everglades Ultras

February 17, 2018 Race day in 7 months
USA / South Atlantic / Florida / Fakahatchee Strand Preserve State Park
Ultramarathon
Trail

Taupo Great Lake Relay

February 17, 2018 Race day in 7 months
New Zealand / Taupo
Ultramarathon
Walk Relay

Taupo Great Lake Relay

February 17, 2018 Race day in 7 months
New Zealand / Taupo
Ultramarathon
Walk Relay

Traces du Nord Basse-Terre

February 17, 2018 Race day in 7 months
Guadeloupe / Petit Bourg
Ultramarathon
Trail Mountain UTMB Qualifier

Traces du Nord Basse-Terre

February 18, 2018 Race day in 7 months
Guadeloupe / Petit Bourg
Ultramarathon
Trail Mountain UTMB Qualifier

Transgrancanaria

February 23, 2018 Race day in 7 months
Spain / Canary Islands / Las Palmas
Ultramarathon
Trail Mountain UTMB Qualifier Western States Qualifier Ultra-Trail World Tour circuit

Ultra Adventures Antelope Canyon

February 23, 2018 Race day in 7 months
USA / Mountain Region / Arizona / Antelope Canyon
Ultramarathon
Hilly Trail Ultra Adventures

Ultra Adventures Antelope Canyon

February 23, 2018 Race day in 7 months
USA / Mountain Region / Arizona / Antelope Canyon
Ultramarathon
Hilly Trail Ultra Adventures

Coastal Trail Series - Northumberland

February 24, 2018 Race day in 7 months
United Kingdom / England / Northumberland / Bamburgh
Ultramarathon
Endurance Life Trail UTMB Qualifier

Endu'Rance Trail des Corsaires

February 24, 2018 Race day in 7 months
France / Brittany / Ille-et-Vilaine / Saint-Malo
Ultramarathon
Trail Relay

Endu'Rance Trail des Corsaires

February 24, 2018 Race day in 7 months
France / Brittany / Ille-et-Vilaine / Saint-Malo
Ultramarathon
Trail
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