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.

3,391 races

Oxfam Trailwalker Australia - Sydney

50 km
2018-08-24
Oceania / Australia and New Zealand / Australia / New South Wales / Sidney
Ultramarathon
Trail Walking

Oxfam Trailwalker Australia - Sydney

100 km
2018-08-24
Oceania / Australia and New Zealand / Australia / New South Wales / Sidney
Ultramarathon
Trail Walking

Ragnar Trail Rainier-WA

Regular
2018-08-24 - 08:00
North America / USA / Pacific / Washington / Crystal Mountain
Ultramarathon
Trail Running Relay

Ragnar Trail Rainier-WA

Ultra
2018-08-24 - 08:00
North America / USA / Pacific / Washington / Crystal Mountain
Ultramarathon
Trail Running Relay

Ultra Tour des 4 Massifs

Ut4M 160 Relais
2018-08-24 - 07:00
Europe / Western Europe / France / Auvergne-Rhône-Alpes / Isère / Grenoble
Ultramarathon
Mountain Trail Running Mountain Relay

Ultra Tour des 4 Massifs

Ut4M 160 Xtrem
2018-08-24 - 07:00
Europe / Western Europe / France / Auvergne-Rhône-Alpes / Isère / Grenoble
Ultramarathon
Mountain UTMB Qualifier Trail Running Mountain Solo

Achill Back to Back Marathon (August)

Ultra Marathon
2018-08-25 - 08:00
Europe / Northern Europe / Ireland / Connacht / Achill Island
Ultramarathon
Road Running Hilly Solo

Black Spur Ultra

108 km
2018-08-25 - 08:00
North America / Canada / British Columbia / Kimberley
Ultramarathon
Mountain Trail Running Mountain Solo

Black Spur Ultra

108 km Relay
2018-08-25 - 08:00
North America / Canada / British Columbia / Kimberley
Ultramarathon
Mountain Trail Running Mountain Relay

Black Spur Ultra

54 km
2018-08-25 - 08:00
North America / Canada / British Columbia / Kimberley
Ultramarathon
Mountain Trail Running Mountain Solo

Bulldog 50K and 25K

50 KM Ultra Run
2018-08-25 - 06:30
North America / USA / Pacific / California / Calabasas
Ultramarathon
Road Running Solo

Chiltern Way Ultra

Chiltern Way Ultra 214k
2018-08-25 - 09:00
Europe / Northern Europe / United Kingdom / England / Hertfordshire / Hemel Hemstead
Ultramarathon
Trail Running Solo
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