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.

3,269 races

PSV Winterlaufserie 5

5. Lauf PSV Winterlaufserie 100 KM
December 10, 2016 Race day in 7 days
Germany / Lower Saxony / Holzminden
Ultramarathon - 100 kilometers
PSV Winterlaufserie

PSV Winterlaufserie 5

5. Lauf PSV Winterlaufserie 50 KM
December 10, 2016 Race day in 7 days
Germany / Lower Saxony / Holzminden
Ultramarathon - 50 kilometers
Walk PSV Winterlaufserie

Bigfoot 50K

Bigfoot 50K
December 10, 2016 Race day in 7 days
USA / East North Central / Ohio / Salt Fork State Park, Lore City
Ultramarathon - 50 kilometers
Trail Western Reserve Racing

Blåfrusen Ultramarathon

December 10, 2016 Race day in 7 days
Sweden / Domarudden
Ultramarathon - 70 kilometers
Trail

Boavista Ultramarathon

Boavista Salt Marathon
December 10, 2016 Race day in 7 days
Cape Verde / Boavista
Ultramarathon - 71 kilometers
Trail

Boavista Ultramarathon

Boavista Ultramarathon - 150 km
December 10, 2016 Race day in 7 days
Cape Verde / Boavista
Ultramarathon - 150 kilometers
Trail

Brazos Bend 100

Brazos Bend 100 Miler
December 10, 2016 Race day in 7 days
USA / West South Central / Texas / Needville
Ultramarathon - 100 miles
Flat Fun Trail Fast Relay

Brazos Bend 100

Brazos Bend 50 Miler
December 10, 2016 Race day in 7 days
USA / West South Central / Texas / Needville
Ultramarathon - 50 miles
Flat Fun Trail Fast

Daytona 100 Ultramarathon

Daytona 100
December 10, 2016 Race day in 7 days
USA / South Atlantic / Florida / Daytona Beach
Ultramarathon - 100 miles
Charity Flat Fast

Daytona 100 Ultramarathon

Daytona 50
December 10, 2016 Race day in 7 days
USA / South Atlantic / Florida / Daytona Beach
Ultramarathon - 50 miles
Charity Flat Fast

Deer Dodge 50

Deer Dodge 50K
December 10, 2016 Race day in 7 days
USA / South Atlantic / Florida / 32570
Ultramarathon - 50 kilometers
Trail

Deer Dodge 50

Deer Dodge 50 Miler
December 10, 2016 Race day in 7 days
USA / South Atlantic / Florida / 32570
Ultramarathon - 50 miles
Trail

Desert Solstice Invitational Track Meet

Desert Solstice 100 Mile Run
December 10, 2016 Race day in 7 days
USA / Mountain Region / Arizona / Phoenix
Ultramarathon - 100 miles
Invitation only Track Aravaipa Running

Desert Solstice Invitational Track Meet

Desert Solstice 50K Run
December 10, 2016 Race day in 7 days
USA / Mountain Region / Arizona / Phoenix
Ultramarathon - 50 kilometers
Invitation only Track Aravaipa Running

Eisweinlauf

December 10, 2016 Race day in 7 days
Germany / Baden-Württemberg / Offenburg
Ultramarathon - 65 kilometers
Hilly Road Running