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.

3,440 races

Zumbro 100

Zumbro Midnight 50 Mile
04/08/2017 - 00:01
North America / USA / West North Central / Minnesota / Zumbro Falls
Ultramarathon
Night Race Trail Running

Zumaiako Flysch Trail

42,23 km
06/26/2016
Europe / Southern Europe / Spain / Basque Country / Zumaia
Ultramarathon
Running

Zululand Ultra Marathon

56 km
03/19/2017 - 06:00
Africa / Southern Africa / South Africa / Nongoma
Ultramarathon
Running

Zion Ultras

50K
04/21/2017 - 06:00
North America / USA / Mountain Region / Utah / Springdale
Ultramarathon
Desert Trail Running Hilly

Zion Ultras

100 Mile
04/20/2018 - 06:00
North America / USA / Mountain Region / Utah / Springdale
Ultramarathon
Desert Western States Qualifier Trail Running Hilly

Zion Ultras

100k
04/20/2018 - 06:00
North America / USA / Mountain Region / Utah / Springdale
Ultramarathon
Desert Trail Running Hilly

ZION ULTRAMARATHONS

50 K
04/21/2018 - 06:00
North America / USA / Mountain Region / Utah / Virgin
Ultramarathon
Running

ZION ULTRAMARATHONS

100 Mile
04/20/2018 - 06:00
North America / USA / Mountain Region / Utah / Virgin
Ultramarathon
Running

ZION ULTRAMARATHONS

100 K
04/20/2018 - 06:00
North America / USA / Mountain Region / Utah / Virgin
Ultramarathon
Running

Zermatt Marathon

Zermatt Ultra-Marathon
07/07/2018
Europe / Western Europe / Switzerland / Valais / Zermatt
Ultramarathon
Mountain UTMB Qualifier Trail Running Mountain

Yurrebilla Trail 56km Ultra

09/24/2017 - 06:30
Oceania / Australia and New Zealand / Australia / South Australia / Adelaide
Ultramarathon
Trail Running

Yukon Arctic Marathon

Yukon Arctic 300M
02/01/2018
North America / Canada / Yukon / Whitehorse
Ultramarathon
Snow Trail Running
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