Worldwide 2016 – 2017 Ultramarathon Calendar

Looking for a comprehensive guide to 2016 – 2017 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.

3,178 races

Blazing 7's Trail Run

100k
October 01, 2016 Race day in 1 day
USA / West South Central / Texas / Cat Spring
Ultramarathon - 100 kilometers
Trail

Blazing 7s

100k
October 01, 2016 Race day in 1 day
USA / West South Central / Texas / Cat Spring
Ultramarathon - 62.400 miles

Nerang State Forest

100 km
October 01, 2016 Race day in 1 day
Australia / Queensland / Nerang
Ultramarathon - 100 kilometers
Walk

Blazing 7s

100k relay
October 01, 2016 Race day in 1 day
USA / West South Central / Texas / Cat Spring
Ultramarathon - 62.400 miles

Blazing 7's Trail Run

100M
October 01, 2016 Race day in 1 day
USA / West South Central / Texas / Cat Spring
Ultramarathon - 100 miles
Trail

Nerang State Forest

100 Mile
October 01, 2016 Race day in 1 day
Australia / Queensland / Nerang
Ultramarathon - 100 miles
Walk

Blazing 7s

100 miler
October 01, 2016 Race day in 1 day
USA / West South Central / Texas / Cat Spring
Ultramarathon - 100 miles

Blazing 7s

100m relay
October 01, 2016 Race day in 1 day
USA / West South Central / Texas / Cat Spring
Ultramarathon - 100 miles

Beskidy Ultra Trail

120K
October 01, 2016 Race day in 1 day
Poland / Bielsko Biala
Ultramarathon - 120 kilometers
UTMB Qualifier Trail Mountain

Blazing 7's Trail Run

25k
October 01, 2016 Race day in 1 day
USA / West South Central / Texas / Cat Spring
Ultramarathon - 25 kilometers
Trail

New River Trail

50K
October 01, 2016 Race day in 1 day
USA / South Atlantic / Virginia / New River Trail State Park
Ultramarathon - 50 kilometers
Flat Green Trail

Blazing 7s

50k
October 01, 2016 Race day in 1 day
USA / West South Central / Texas / Cat Spring
Ultramarathon - 31.300 miles

Blazing 7's Trail Run

50k
October 01, 2016 Race day in 1 day
USA / West South Central / Texas / Cat Spring
Ultramarathon - 50 kilometers
Trail

Holaveden Ultra

52 km
October 01, 2016 Race day in 1 day
Sweden / Tranås
Ultramarathon - 52 kilometers
Hilly Trail

Beskidy Ultra Trail

60K
October 01, 2016 Race day in 1 day
Poland / Bielsko Biala
Ultramarathon - 60 kilometers
UTMB Qualifier Trail Mountain Night