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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2,994 races

Mountain to Valley Relay

  • April 29, 2015
  • Asia | Israel | Tel Hai
  • Ultramarathon - 215 kilometers
  • Relay

Bärenfels 50 km Trail

  • May 01, 2015 - 10:00
  • Europe | Germany | Rhineland-Palatinate | Neubrücke
  • Ultramarathon - 50 kilometers
  • Trail

Doliho Ultra-Marathon

  • May 01, 2015
  • Europe | Greece | Delphi
  • Ultramarathon - 255 kilometers
  • UTMB Qualifier Hilly

Salomon Hammer Trail Bornholm

Salomon Hammer Trail Bornholm -100 Miles
  • May 01, 2015 - 19:00
  • Europe | Denmark | Hovedstaden | Allinge
  • Ultramarathon - 100 miles
  • UTMB Qualifier Trail

Salomon Hammer Trail Bornholm

Salomon Hammer Trail Bornholm - 50 miles
  • May 01, 2015 - 23:00
  • Europe | Denmark | Hovedstaden | Allinge
  • Ultramarathon - 50 miles
  • UTMB Qualifier Trail

Ultra Trail des Ô Plateaux

Semi Trail des Ô Plateaux
  • May 01, 2015 - 00:00
  • Africa | Madagascar | Antananarivo
  • Ultramarathon - 65 kilometers
  • UTMB Qualifier Trail Relay Mountain

Trail du Diable au SUKre

Trail du Diable au SUKre - 46 km
  • May 01, 2015 - 08:00
  • Europe | Belgium | Wallonia | Ellezelles
  • Ultramarathon - 46 kilometers
  • Hilly Trail

Trail l'Ardéchois

Trail l'Ardéchois - 57 km
  • May 01, 2015 - 08:00
  • Europe | France | Rhône-Alpes | Ardèche | Désaignes
  • Ultramarathon - 57 kilometers
  • Trail

Ultra Trail des Ô Plateaux

Ultra Trail des Ô Plateaux
  • May 01, 2015 - 00:00
  • Africa | Madagascar | Antananarivo
  • Ultramarathon - 130 kilometers
  • UTMB Qualifier Trail Relay Mountain

101 Peregrinos

  • May 02, 2015
  • Europe | Spain | Castile and León | Ponferrada
  • Ultramarathon - 101 kilometers

Ultra Trail Apuko Extreme

Apuko Long Trail - 65 Km
  • May 02, 2015 - 06:00
  • Europe | Spain | Basque Country | Zaramillo
  • Ultramarathon - 60 kilometers
  • UTMB Qualifier Trail Mountain

Armstrong Redwoods

Armstrong Redwoods 50K
  • May 02, 2015 - 08:30
  • North America | USA | Pacific | California | Guerneville
  • Ultramarathon - 50 kilometers
  • Hilly Trail

Biffledinked 10 x 5k

Biffledinked 10 x 5k
  • May 02, 2015 - 08:00
  • North America | USA | South Atlantic | Virginia | Virginia Beach
  • Ultramarathon - 50 kilometers
  • Flat Road Running

Biffledinked 10 x 5k

Biffledinked 10 x 5k 2 Person Relay
  • May 02, 2015 - 08:00
  • North America | USA | South Atlantic | Virginia | Virginia Beach
  • Ultramarathon - 50 kilometers
  • Flat Road Running

Big A 50K Trail Run

  • May 02, 2015 - 07:30
  • North America | USA | New England | Maine | York
  • Ultramarathon - 50 kilometers
  • Charity Trail