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.

3,266 races

Trail des Rois Maudits

Trm50 - relai 2
October 01, 2017 Race day in 9 months
France / Upper Normandy / Eure / Poses
Ultramarathon - 50 kilometers
Trail Relay

Trail des Rois Maudits

Trm50 - solo
October 01, 2017 Race day in 9 months
France / Upper Normandy / Eure / Poses
Ultramarathon - 50 kilometers
Trail

Royal Penguin Ultra Marathon

October 05, 2017 Race day in 9 months
Nepal / Namche Bazaar
Ultramarathon - 60 kilometers
Trail Mountain

100 Miles Sud de France

100 Miles Sud de France
October 06, 2017 Race day in 9 months
France / Languedoc-Roussillon / Pyrénées-Orientales / Font-Romeu
Ultramarathon - 100 miles
Trail Mountain Challenge Ultra Mountain National Tour

The Malnad Ultra

110 km
October 07, 2017 Race day in 9 months
India / Karnataka / Ballavara
Ultramarathon - 110 kilometers
Trail

Oregon Coast 50K & 30K

50K
October 07, 2017 Race day in 9 months
USA / Pacific / Oregon / Yachats
Ultramarathon - 50 kilometers
Trail Rainshadow Running

Willamette Headwaters Endurance Events

50+K
October 07, 2017 Race day in 9 months
USA / Pacific / Oregon / Oakridge
Ultramarathon - 54 kilometers
Trail

The Malnad Ultra

50 Km
October 07, 2017 Race day in 9 months
India / Karnataka / Ballavara
Ultramarathon - 50 kilometers
Trail

Gandy Dancer Trail Marathon

50 Miler
October 07, 2017 Race day in 9 months
USA / East North Central / Wisconsin / Luck
Ultramarathon - 50 miles
Trail

The Malnad Ultra

80 km
October 07, 2017 Race day in 9 months
India / Karnataka / Ballavara
Ultramarathon - 80 kilometers
Trail

Cuyamaca 100K Endurance Run

October 07, 2017 To be confirmed Race day in 9 months
USA / Pacific / California / Cuyamaca Rancho State Park
Ultramarathon - 100 kilometers
UTMB Qualifier Trail Western States Qualifier

100 Miles Sud de France

Grande Traversée Mer Montagne
October 07, 2017 Race day in 9 months
France / Languedoc-Roussillon / Pyrénées-Orientales / Font-Romeu
Ultramarathon - 110 kilometers
Trail Mountain

Kenya Wildlife Marathon and Half-Marathon

Kenya Wildlife 50K
October 07, 2017 Race day in 9 months
Kenya / Taita Hills Tsavo West National Park
Ultramarathon - 50 kilometers
Charity Package tour Trail

Lt. J. C. Stone Trail 50K UltraMarathon

October 07, 2017 Race day in 9 months
USA / Mid-Atlantic / Pennsylvania / North Park, Allegheny County
Ultramarathon - 50 kilometers
Trail

Vaarojen Maraton

Vaarojen Maraton
October 07, 2017 Race day in 9 months
Finland / Eastern Finland / Koli National Park
Ultramarathon - 43 kilometers
Trail