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.

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3,325 races

Badder Marsh Night Ultra 50K

50K
June 24, 2017 Race day in 1 day
USA / South Atlantic / Georgia / Richmond Hill
Ultramarathon - 50 kilometers
Night

Australian Wildlife Marathon

50K
June 24, 2017 Race day in 1 day
Australia / Victoria / Mount Buller
Ultramarathon - 50 kilometers
Package tour Trail Mountain

ULTRAMARATON COAHUILA GARMIN

50 KM
June 24, 2017 Race day in 1 day
USA / West South Central / Texas / Laredo
Ultramarathon - 50 kilometers

ULTRA MARATON GARMIN

50 KM
June 24, 2017 Race day in 1 day
USA / West South Central / Texas / Ramos
Ultramarathon - 50 kilometers

Ahnapee Summer Solstice 50 Mile Run

50K Relay Run
June 24, 2017 Race day in 1 day
USA / East North Central / Wisconsin / Sturgeon Bay
Ultramarathon - 50 kilometers
Relay

Ahnapee Summer Solstice 50 Mile Run

50K Solo Run
June 24, 2017 Race day in 1 day
USA / East North Central / Wisconsin / Sturgeon Bay
Ultramarathon - 50 kilometers

Running with the Devil 100M, 50M, 50K, Marathon, 1/2, 10K, and 5K

50 Miler
June 24, 2017 Race day in 1 day
USA / Mountain Region / Nevada / Lovell Canyon Road
Ultramarathon - 50 miles
Calico Racing

Ahnapee Summer Solstice 50 Mile Run

50 Mile Relay Run
June 24, 2017 Race day in 1 day
USA / East North Central / Wisconsin / Sturgeon Bay
Ultramarathon - 50 miles
Relay

Ahnapee Summer Solstice 50 Mile Run

50 Mile Solo Run
June 24, 2017 Race day in 1 day
USA / East North Central / Wisconsin / Sturgeon Bay
Ultramarathon - 50 miles

L'arc En Ciel

June 24, 2017 Race day in 1 day
Réunion / West North Central / Minnesota / Saint-Paul
Ultramarathon - 63 kilometers
Trail Mountain

AravisTrail

AravisTrail - 52 km
June 24, 2017 Race day in 1 day
France / Rhône-Alpes / Haute-Savoie / Thônes
Ultramarathon - 52 kilometers
Trail Mountain

AravisTrail

AravisTrail - 70 km
June 24, 2017 Race day in 1 day
France / Rhône-Alpes / Haute-Savoie / Thônes
Ultramarathon - 70 kilometers
UTMB Qualifier Trail Mountain