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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2,991 races

Stratford Grand Union Canal Ultra

  • April 02, 2015 - 07:45
  • Europe | United Kingdom | Warwickshire | Stratford-upon-Avon
  • Ultramarathon - 30 miles

Ultramarathon des Ziban

  • April 02, 2015 - 06:00
  • Africa | Algeria | Biskra
  • Ultramarathon - 100 kilometers
  • Desert Road Running

Dead Sea Ultra Marathon

Dead Sea Ultra Marathon
  • April 03, 2015 - 06:30
  • Asia | Jordan | Amman
  • Ultramarathon - 50 kilometers
  • Charity

American River 50-mile Endurance Run

  • April 04, 2015 - 06:00
  • North America | USA | Pacific | California | Sacramento
  • Ultramarathon - 50 miles
  • Trail

Buddhist Stupa Trail Marathon

  • April 04, 2015 - 06:00 Inaugural race
  • Asia | Nepal | Kathmandu
  • Ultramarathon - 50 kilometers
  • Trail

Compton Challenge

Compton 40 mile Challenge
  • April 04, 2015 - 09:00
  • Europe | United Kingdom | England | Hampshire | Compton
  • Ultramarathon - 40 miles
  • Trail

Croom Trail

Croom Trail 50K Fools Run
  • April 04, 2015 - 07:00
  • North America | USA | South Atlantic | Florida | Brooksville
  • Ultramarathon - 50 kilometers
  • Trail

Croom Trail

Croom Trail 50M Fools Run
  • April 04, 2015 - 06:00
  • North America | USA | South Atlantic | Florida | Brooksville
  • Ultramarathon - 50 miles
  • Trail

Glasgow - Edinburgh Double Marathon

  • April 04, 2015 - 09:00
  • Europe | United Kingdom | Scotland | Glasgow City | Glasgow
  • Ultramarathon - 55 miles

Grizzly Peak Trail Run

Grizzly Peak 50 Km Trail Run
  • April 04, 2015 - 08:00
  • North America | USA | Pacific | California | Berkeley
  • Ultramarathon - 50 kilometers
  • Hilly Trail Coastal Trail Runs

Hells Hills

Hells Hills 50 km Endurance Trail Run
  • April 04, 2015 - 06:00
  • North America | USA | West South Central | Texas | Smithville
  • Ultramarathon - 50 kilometers
  • Trail Tejas Trails

Hells Hills

Hells Hills 50 Mile Endurance Trail Run
  • April 04, 2015 - 05:00
  • North America | USA | West South Central | Texas | Smithville
  • Ultramarathon - 50 miles
  • Trail Tejas Trails

Old Mutual Two Oceans Marathon

Old Mutual Two Oceans Marathon
  • April 04, 2015 - 06:25
  • Africa | South Africa | Cape Town
  • Ultramarathon - 56 kilometers
  • Road Running

Power to the Tower XTERRA Trail Run

Power to the Tower 50k Ultra
  • April 04, 2015
  • North America | USA | East South Central | Tennessee | Kingsport
  • Ultramarathon - 50 kilometers
  • Hilly

Rockin K Trail Runs

Rocking K Trail 50 Mile Run
  • April 04, 2015
  • North America | USA | West North Central | Kansas | Kanopolis State Park, Marquette
  • Ultramarathon - 50 miles
  • Trail Kansas Ultrarunner's Society (KUS)