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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2,990 races

Oxfam Trailwalker Belgium

  • August 29, 2015 - 06:00
  • Europe | Belgium | Flanders | Kettenis
  • Ultramarathon - 100 kilometers
  • UTMB Qualifier Walk Fun Team Trail Fund raising Oxfam Trailwalker

Resort to Rock

Resort to Rock 60K
  • August 29, 2015 - 06:00
  • North America | USA | Idaho | Boise
  • Ultramarathon - 60 kilometers
  • Trail

Reveille Peak Ranch

Reveille Peak Ranch - 60km
  • August 29, 2015 - 19:00
  • North America | USA | West South Central | Texas | Reveille Peak Ranch, Burnet
  • Ultramarathon - 60 kilometers
  • Night Trail Tejas Trails

Ridgeway Challenge

  • August 29, 2015 - 10:00
  • Europe | United Kingdom | Buckinghamshire | Ivinghoe Beacon
  • Ultramarathon - 86 miles
  • Hilly Trail

styrkeprøven True West

  • August 29, 2015
  • Europe | Norway | Flora
  • Ultramarathon - 50 kilometers
  • Trail

Tamalpa Headlands 50K

  • August 29, 2015 - 08:00
  • North America | USA | Pacific | California | Muir Beach
  • Ultramarathon - 50 kilometers
  • UTMB Qualifier Hilly Trail

Tantalus Triple Trek

  • August 29, 2015 - 05:30
  • North America | USA | Hawaii | O'ahu
  • Ultramarathon - 30 miles
  • Trail H.U.R.T. Trail Series

TrailStoke Ultra

TrailStoke Ultra
  • August 29, 2015 - 07:00
  • North America | Canada | British Columbia | Revelstoke
  • Ultramarathon - 60 kilometers
  • Trail Relay Mountain

Twisted Branch Trail Run

  • August 29, 2015 - 05:00 Inaugural race
  • North America | USA | New York | Naples
  • Ultramarathon - 100 kilometers
  • Trail

Chiltern Way Ultra 214k / 100k

Chiltern Way Ultra 100k
  • August 30, 2015 - 09:00
  • Europe | United Kingdom | Hertfordshire | Hemel Hemstead
  • Ultramarathon - 100 kilometers
  • Trail Challenge Running

Cimasalazienne

  • August 30, 2015 - 05:00
  • Africa | Réunion | Hell-Bourg
  • Ultramarathon - 55 kilometers
  • Trail Randorun Ocean Indien Mountain

Diablo Trail Run

Diablo Trail 50K Run
  • August 30, 2015 - 08:00
  • North America | USA | Pacific | California | Clayton
  • Ultramarathon - 50 kilometers
  • Hilly Walk Trail Coastal Trail Runs

E.T. Full Moon Midnight Marathon, 1/2, 10K, & 51K

Extraterrestrial Full Moon Midnight 51 km
  • August 30, 2015 - 00:00
  • North America | USA | Mountain Region | Nevada | Rachel
  • Ultramarathon - 51 kilometers
  • Night Calico Racing

Longford Marathon

Longford Ultra Marathon
  • August 30, 2015 - 09:30
  • Europe | Ireland | Leinster | Longford
  • Ultramarathon - 63.47 kilometers
  • Walk Wheelchair Relay

Tour Monviso Trail

Tour Monviso Trail
  • August 30, 2015 - 07:00
  • Europe | Italy | Piedmont | Crissolo
  • Ultramarathon - 43 kilometers
  • UTMB Qualifier Trail Mountain