Worldwide 2018 – 2019 Ultramarathon Calendar

Looking for a comprehensive guide to 2018 – 2019 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.

3,439 races

Kielder Ultra Trail

50 km
04/08/2017 - 09:30
Europe / Northern Europe / United Kingdom / England / Northumberland / Kielder
Ultramarathon
Trail Running

Kielder Ultra Trail

80 km
04/08/2017 - 05:30
Europe / Northern Europe / United Kingdom / England / Northumberland / Kielder
Ultramarathon
Trail Running

Lake McMurty Trail Race

Tatur's Lake McMurty Trail Race 50K
04/08/2017 - 08:00
North America / USA / West South Central / Oklahoma / Lake McMurtry
Ultramarathon
Trail Running

Lumberjack Endurance Runs

Lumberjack 100 Mile Run
04/08/2017
North America / USA / Pacific / Washington / Port Gamble
Ultramarathon
Trail Running

Lumberjack Endurance Runs

Lumberjack 50 Mile Run
04/08/2017
North America / USA / Pacific / Washington / Port Gamble
Ultramarathon
Trail Running

Lumberjack Endurance Runs

Lumberjack 100 K Run
04/08/2017
North America / USA / Pacific / Washington / Port Gamble
Ultramarathon
Running

Mad City

Mad City 50K
04/08/2017 - 08:00
North America / USA / East North Central / Wisconsin / Madison
Ultramarathon
Running

Mad City

Mad City 100K
04/08/2017 - 06:30
North America / USA / East North Central / Wisconsin / Madison
Ultramarathon
Running

Oriflamme 50k

04/08/2017 - 07:00
North America / USA / Pacific / California / Julian
Ultramarathon
Desert Trail Running

Ozark Foothills 50K/25K

Ozark Foothills 50K
04/08/2017
North America / USA / West North Central / Missouri / Wildwood
Ultramarathon
Trail Running

Patagonia Run

100Mi
04/08/2017 - 12:00
South America / Argentina / San Martín de los Andes
Ultramarathon
Western States Qualifier Trail Running

Save Mount Diablo Trails Challenge

Diablo Trails Challenge 50K
04/08/2017
North America / USA / Pacific / California / Walnut Creek
Ultramarathon
Trail Running
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