Worldwide 2015 – 2016 Ultramarathon Calendar

Looking for a comprehensive guide to 2015 – 2016 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.

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2,989 races

Badger Mountain Challenge

Badger Mountain Challenge 50k Ultramarathon
  • March 28, 2015 - 07:00
  • North America | USA | Pacific | Washington | Kennewick
  • Ultramarathon - 50 kilometers
  • Trail Mountain

Behind the Rocks 50 Mile, 50K and 30 Mile

Behind the Rocks 30 Mile
  • March 28, 2015 - 09:00
  • North America | USA | Utah | Moab
  • Ultramarathon - 30 miles
  • Trail Grass Roots Events

Behind the Rocks 50 Mile, 50K and 30 Mile

Behind the Rocks 50 K
  • March 28, 2015 - 08:00
  • North America | USA | Utah | Moab
  • Ultramarathon - 50 kilometers
  • Trail Grass Roots Events

Behind the Rocks 50 Mile, 50K and 30 Mile

Behind the Rocks 50 Mile
  • March 28, 2015 - 06:00
  • North America | USA | Utah | Moab
  • Ultramarathon - 50 miles
  • Trail Grass Roots Events

Beyond Limits Ultra and BLU Relentless

Beyond Limits Ultra and BLU Relentless 100 Miler
  • March 28, 2015
  • North America | USA | Pacific | California | Mountain Center
  • Ultramarathon - 100 miles
  • Trail Mountain

Beyond Limits Ultra and BLU Relentless

Beyond Limits Ultra and BLU Relentless 50K
  • March 28, 2015
  • North America | USA | Pacific | California | Mountain Center
  • Ultramarathon - 50 kilometers
  • Trail Mountain

Beyond Limits Ultra and BLU Relentless

Beyond Limits Ultra and BLU Relentless 50 Miler
  • March 28, 2015
  • North America | USA | Pacific | California | Mountain Center
  • Ultramarathon - 50 miles
  • Trail Mountain

BVG Trail

BVG Marathon +
  • March 28, 2015
  • Europe | Italy | Lombardy | Salò BS
  • Ultramarathon - 46 kilometers
  • Trail Mountain

BVG Trail

BVG Trail
  • March 28, 2015
  • Europe | Italy | Lombardy | Salò BS
  • Ultramarathon - 73 kilometers
  • Trail Mountain

CEBU50 Trail Ultramarathon

CEBU50 Trail Ultramarathon - Aspirant
  • March 28, 2015 - 04:00
  • Asia | Philippines | Cebu
  • Ultramarathon - 54 kilometers
  • Hilly Trail

Clinton Lake Ultra

  • March 28, 2015 - 07:30
  • North America | USA | Illinois | Dewitt
  • Ultramarathon - 30 miles

Crêtes de Spa

Crêtes de Spa - 55 km
  • March 28, 2015 - 09:00
  • Europe | Belgium | Wallonia | Spa
  • Ultramarathon - 55 kilometers
  • Hilly Trail

Crown King Scramble 50 Km Trail Run

  • March 28, 2015 - 06:00
  • North America | USA | Mountain Region | Arizona | Lake Pleasant Regional Park
  • Ultramarathon - 50 kilometers
  • Trail Aravaipa Running

Extreme North Dakota Sandhills Ultra Run Experience

Extreme North Dakota Sandhills Ultra Run Experience 100K
  • March 28, 2015
  • North America | USA | North Dakota | Leonard
  • Ultramarathon - 100 kilometers
  • Trail

Extreme North Dakota Sandhills Ultra Run Experience

Extreme North Dakota Sandhills Ultra Run Experience 50K
  • March 28, 2015
  • North America | USA | North Dakota | Leonard
  • Ultramarathon - 50 kilometers
  • Trail