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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3,027 races

Causeway Crossing

Causeway Crossing 100K
  • May 23, 2015 - 06:00
  • Europe | United Kingdom | Northern Ireland | Ballintoy
  • Ultramarathon - 100 kilometers
  • UTMB Qualifier Hilly Trail Relay

Causeway Crossing

Causeway Crossing 50K
  • May 23, 2015 - 12:00
  • Europe | United Kingdom | Northern Ireland | Ballintoy
  • Ultramarathon - 50 kilometers
  • Hilly Trail Relay

Coastal Trail Series - Flete

Coastal Trail Series - Flete - Ultra
  • May 23, 2015
  • Europe | United Kingdom | England | Devon | Mothecombe
  • Ultramarathon - 35.9 miles
  • UTMB Qualifier Hilly Trail Endurance Life

Eco Trail Oslo

Eco Trail Oslo 45 km
  • May 23, 2015 - 12:00 Inaugural race
  • Europe | Norway | Oslo
  • Ultramarathon - 45 kilometers
  • Trail

Eco Trail Oslo

Eco Trail Oslo 80 km
  • May 23, 2015 - 10:00 Inaugural race
  • Europe | Norway | Oslo
  • Ultramarathon - 80 kilometers
  • UTMB Qualifier Trail

Gamelands Ultra

Gamelands Ultra 50K
  • May 23, 2015
  • North America | USA | South Atlantic | North Carolina | Wagram
  • Ultramarathon - 50 kilometers
  • Trail

G.O.A.T.z Gravel Classic 30k and 60k

G.O.A.T.z Gravel Classic 60k
  • May 23, 2015 - 08:00
  • North America | USA | West North Central | Nebraska | Blair
  • Ultramarathon - 60 kilometers

GOATz Gravel Classic

GOATz Gravel Classic 60K
  • May 23, 2015 - 08:00
  • North America | USA | West North Central | Nebraska | Blair
  • Ultramarathon - 60 kilometers
  • Road Running

Grand Raid 73 Allibert Trail

Grand Raid 73
  • May 23, 2015 - 05:00
  • Europe | France | Rhône-Alpes | Savoie | Cruet
  • Ultramarathon - 73 kilometers
  • UTMB Qualifier Trail Mountain

Grand Union Canal Race

  • May 23, 2015 - 06:00
  • Europe | United Kingdom | England | Birmingham | Birmingham
  • Ultramarathon - 145 miles

Hardmoors Ultra 110

  • May 23, 2015 - 17:30
  • Europe | United Kingdom | England | North Yorkshire | Helmsley
  • Ultramarathon - 110 miles
  • UTMB Qualifier Trail Hardmoors Race Series

Highland Forest 1-2-3 Trail Race

  • May 23, 2015 - 08:30
  • North America | USA | Mid-Atlantic | New York | Fabius
  • Ultramarathon - 30 miles
  • Hilly Trail

Jemez Mountain Trail Runs Half Marathon, 50K & 50-Mile Run

Jemez Mountain Trail Runs 50K
  • May 23, 2015 - 06:00
  • North America | USA | Mountain Region | New Mexico | Los Alamos
  • Ultramarathon - 50 kilometers
  • Hilly Trail

Jemez Mountain Trail Runs Half Marathon, 50K & 50-Mile Run

Jemez Mountain Trail Runs 50-Mile
  • May 23, 2015 - 05:00
  • North America | USA | Mountain Region | New Mexico | Los Alamos
  • Ultramarathon - 50 miles
  • Hilly Trail

Keufelskopf Ultra-Trail

Keufelskopf Ultra-Trail
  • May 23, 2015 - 06:00
  • Europe | Germany | Rhineland-Palatinate | Reichweiler
  • Ultramarathon - 85 kilometers
  • UTMB Qualifier Trail Mountain