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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2,952 races

Alamo To Border Ultra Marathon Relay

A2B2: Alamo To Border 2

  • February 27, 2015 - 18:30
  • North America | USA | West South Central | Texas | San Antonio
  • Ultramarathon - 162 miles
  • Charity Road Running Relay

Chena River to Ridge Endurance Race

Chena River to Ridge Endurance Race 45 Mile

  • February 28, 2015 - 09:00
  • North America | USA | Alaska | Fairbanks
  • Ultramarathon - 45 miles
  • Snow Trail

Coastal Trail Series - Northumberland

Coastal Trail Series - Northumberland - Ultra

  • February 28, 2015
  • Europe | United Kingdom | England | Northumberland | Bamburgh
  • Ultramarathon - 34 miles
  • UTMB Qualifier Trail Endurance Life

Endu'Rance Trail des Corsaires

  • February 28, 2015 Inaugural race
  • Europe | France | Ille-et-Vilaine | Saint-Malo
  • Ultramarathon - 64 kilometers
  • Trail Relay

Hashawha Hills 50 km Trail Run

  • February 28, 2015 - 07:30
  • North America | USA | South Atlantic | Maryland | Westminster
  • Ultramarathon - 50 kilometers
  • Trail

Lahntallauf

Lahntallauf 50 KM

  • February 28, 2015 - 10:00
  • Europe | Germany | Hesse | Marburg
  • Ultramarathon - 50 kilometers

Mount Cheaha 50K

  • February 28, 2015 - 07:30
  • North America | USA | East South Central | Alabama | Delta
  • Ultramarathon - 50 kilometers
  • Trail Pinhoti Trail Series

Black Mountain Marathon

Mount Mitchell Challenge

  • February 28, 2015 - 07:00
  • North America | USA | South Atlantic | North Carolina | Black Mountain
  • Ultramarathon - 40 miles
  • Trail

North Face Endurance Chalenge Peru

North Face Endurance Chalenge Peru 50K

  • February 28, 2015 - 04:00
  • South America | Peru | Cañete
  • Ultramarathon - 50 kilometers
  • UTMB Qualifier Trail Mountain

North Face Endurance Chalenge Peru

North Face Endurance Chalenge Peru 80K

  • February 28, 2015 - 02:00
  • South America | Peru | Cañete
  • Ultramarathon - 80 kilometers
  • UTMB Qualifier Trail Mountain

Orange Curtain

Orange Curtain 100K

  • February 28, 2015 - 06:00
  • North America | USA | California | Liberty Park, Cerritos
  • Ultramarathon - 100 kilometers
  • Road Running

Orange Curtain

Orange Curtain 50K Afternoon

  • February 28, 2015 - 13:00
  • North America | USA | California | Liberty Park, Cerritos
  • Ultramarathon - 50 kilometers
  • Road Running

Orange Curtain

Orange Curtain 50K Morning

  • February 28, 2015 - 06:00
  • North America | USA | California | Liberty Park, Cerritos
  • Ultramarathon - 50 kilometers
  • Road Running

Q50 Marathon and Half Marathon

Q50 50M Ultra

  • February 28, 2015 - 08:00
  • North America | USA | West South Central | Louisiana | Franklinton
  • Ultramarathon - 50 miles
  • Trail Q50 Races

Razorback Endurance Race

Razorback 100K Endurance Race

  • February 28, 2015 - 06:00
  • North America | USA | California | San Martin
  • Ultramarathon - 100 kilometers