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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2,989 races

Crêtes de Spa

Crêtes de Spa - 55 km
  • March 28, 2015 - 09:00
  • Europe | Belgium | Wallonia | Spa
  • Ultramarathon - 55 kilometers
  • Hilly Trail

Crown King Scramble 50 Km Trail Run

  • March 28, 2015 - 06:00
  • North America | USA | Mountain Region | Arizona | Lake Pleasant Regional Park
  • Ultramarathon - 50 kilometers
  • Trail Aravaipa Running

Extreme North Dakota Sandhills Ultra Run Experience

Extreme North Dakota Sandhills Ultra Run Experience 100K
  • March 28, 2015
  • North America | USA | North Dakota | Leonard
  • Ultramarathon - 100 kilometers
  • Trail

Extreme North Dakota Sandhills Ultra Run Experience

Extreme North Dakota Sandhills Ultra Run Experience 50K
  • March 28, 2015
  • North America | USA | North Dakota | Leonard
  • Ultramarathon - 50 kilometers
  • Trail

Forrest Gump Challenge

Forrest Gump Challenge 50 Mile Ultra-marathon
  • March 28, 2015
  • North America | USA | West North Central | Missouri | Reeds Spring
  • Ultramarathon - 50 miles
  • Charity

Fort Clinch 100

Fort Clinch 100M
  • March 28, 2015
  • North America | USA | South Atlantic | Florida | Fernandina Beach, Amelia Island
  • Ultramarathon - 100 miles
  • Hilly Trail

Fort Clinch 100

Fort Clinch 50M
  • March 28, 2015
  • North America | USA | South Atlantic | Florida | Fernandina Beach, Amelia Island
  • Ultramarathon - 50 miles
  • Hilly Trail

Gorge Waterfalls 100k

  • March 28, 2015
  • North America | USA | Pacific | Oregon | Cascade Locks
  • Ultramarathon - 100 kilometers
  • Hilly Trail Oregon Trail Ultra Marathon Series

Ultra Trail Muntanyes de la Costa Daurada

Half Trail Muntanyes de la Costa Daurada
  • March 28, 2015 - 12:00
  • Europe | Spain | Catalonia | Vilaplana
  • Ultramarathon - 46.4 kilometers
  • Trail Naturetime Events Mountain

Inatel Piódão Trail Running

Inatel Piódão Trail Running - 50 km
  • March 28, 2015 - 09:00
  • Europe | Portugal | Inatel Piódão
  • Ultramarathon - 50 kilometers

Istratrek Trail Race

  • March 28, 2015
  • Europe | Croatia | Barban
  • Ultramarathon - 60 kilometers
  • UTMB Qualifier Trail

La Perimetral

  • March 28, 2015 - 06:00
  • Europe | Spain | Valencian Community | Benissa
  • Ultramarathon - 65 kilometers
  • UTMB Qualifier Trail Mountain

Nine Trails 35 Mile Endurance Run

  • March 28, 2015 - 06:00
  • North America | USA | California | Santa Barbara
  • Ultramarathon - 35 miles
  • Hilly Trail All we do is run

Oak Moutain 50+

  • March 28, 2015 - 07:30
  • North America | USA | East South Central | Alabama | Oak Mountain State Park
  • Ultramarathon - 50 kilometers
  • Hilly Trail

Oxfam Trailwalker NZ

  • March 28, 2015 - 06:00
  • Oceania | New Zealand | Taupo
  • Ultramarathon - 100 kilometers
  • Walk Charity Team Trail Oxfam Trailwalker