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 7s

50k
October 01, 2016 Race day in 3 days
USA / West South Central / Texas / Cat Spring
Ultramarathon - 31.300 miles

Blazing 7's Trail Run

50k
October 01, 2016 Race day in 3 days
USA / West South Central / Texas / Cat Spring
Ultramarathon - 50 kilometers
Trail

Holaveden Ultra

52 km
October 01, 2016 Race day in 3 days
Sweden / Tranås
Ultramarathon - 52 kilometers
Hilly Trail

Beskidy Ultra Trail

60K
October 01, 2016 Race day in 3 days
Poland / Bielsko Biala
Ultramarathon - 60 kilometers
UTMB Qualifier Trail Mountain Night

Siguldas Kalnu Maratos

70 km
October 01, 2016 Race day in 3 days
Latvia / Sigulda
Ultramarathon - 70 kilometers
UTMB Qualifier Trail Mountain

Beskidy Ultra Trail

90K
October 01, 2016 Race day in 3 days
Poland / Bielsko Biala
Ultramarathon - 90 kilometers
UTMB Qualifier Trail Mountain Night

Rambler 120 Team Challenge

All-Military Relay (5-8 person Team)
October 01, 2016 Race day in 3 days
USA / West South Central / Texas / Canyon Lake
Ultramarathon - 30 miles
Relay

Rambler 120 Team Challenge

All-Military Xtreme (4 person Team)
October 01, 2016 Race day in 3 days
USA / West South Central / Texas / Canyon Lake
Ultramarathon - 30 miles

A Paolina

October 01, 2016 Race day in 3 days
France / Corsica / Haute-Corse / L'Ile Rousse
Ultramarathon - 70 kilometers
Road Running

Arkansas Traveller 100

October 01, 2016 Race day in 3 days
USA / West South Central / Arkansas / Camp Ouachita
Ultramarathon - 100 miles
Trail Western States Qualifier

Cat's Tail Trail Marathon

October 01, 2016 Race day in 3 days
USA / Mid-Atlantic / New York / Shandaken
Ultramarathon - 26.500 miles
Trail Mountain

Children of the Cane

Children of the Cane 100K
October 01, 2016 Race day in 3 days
USA / West South Central / Louisiana / Port Allen
Ultramarathon - 100 kilometers

Children of the Cane

Children of the Cane 100 Miler
October 01, 2016 Race day in 3 days
USA / West South Central / Louisiana / Port Allen
Ultramarathon - 100 miles

Children of the Cane

Children of the Cane 50K
October 01, 2016 Race day in 3 days
USA / West South Central / Louisiana / Port Allen
Ultramarathon - 50 kilometers

Cloudsplitter 100

Cloudsplitter 100K
October 01, 2016 Race day in 3 days
USA / East South Central / Kentucky / Pine Mountain
Ultramarathon - 100 kilometers