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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3,095 races

Mongolia Sunrise to Sunset

Mongolia Sunrise to Sunset 100K
  • 2015-08-05
  • Mongolia | | Lake Hovsgol National Park
  • Ultramarathon - 100 kilometers
  • Trail

Bigfoot 200 Mile Endurance Run

  • 2015-08-07
  • USA | Washington | Marble Mountain Sno-Park
  • Ultramarathon - 205 miles
  • Trail

Calcenada Vuelta al Moncayo

Calcenada Vuelta al Moncayo - 104 km
  • 2015-08-07
  • Spain | Aragon | Calcena
  • Ultramarathon - 104 kilometers
  • UTMB Qualifier Trail Mountain

Elkhorn Relay

  • 2015-08-07
  • USA | Oregon | La Grande
  • Ultramarathon - 203 miles
  • Relay

Mount Rinjani Ultra

Mount Rinjani Ultra
  • 2015-08-07
  • Indonesia | | Senaru, Lombok, Nusa Tenggara Barat
  • Ultramarathon - 52 kilometers
  • UTMB Qualifier Trail

Ragnar Relay Colorado

  • 2015-08-07
  • USA | Colorado | Aspen
  • Ultramarathon - 200 miles
  • Relay Mountain Ragnar Relay Series

Resurrection Pass Ultra Trail Races

Resurrection Pass 100 Mile Ultra Trail
  • 2015-08-07
  • USA | Alaska | Cooper Landing
  • Ultramarathon - 100 miles
  • Hilly Trail

Tierra Arctic Ultra

  • 2015-08-07
  • Sweden | | Nikkaluokta
  • Ultramarathon - 120 kilometers
  • Trail

Ultra Race

Ultra Race - 130 km
  • 2015-08-07
  • Switzerland | Ticino | Biasca
  • Ultramarathon - 129 kilometers
  • UTMB Qualifier Trail Mountain

Ultra Race

Ultra Race - 80 km
  • 2015-08-07
  • Switzerland | Ticino | Biasca
  • Ultramarathon - 81.6 kilometers
  • UTMB Qualifier Trail Mountain

Wildcat Ridge Romp

100k
  • 2015-08-08
  • USA | New Jersey | Rockaway Township
  • Ultramarathon - 100 kilometers
  • NJ Trail Series

Wildcat Ridge Romp

50k
  • 2015-08-08
  • USA | New Jersey | Rockaway Township
  • Ultramarathon - 50 kilometers
  • NJ Trail Series

Wildcat Ridge Romp

50M
  • 2015-08-08
  • USA | New Jersey | Rockaway Township
  • Ultramarathon - 50 miles
  • NJ Trail Series

Amazing Maasai Ultra

Amazing Maasai Ultra
  • 2015-08-08
  • Kenya | | Mt. Kenya Region
  • Ultramarathon - 75 kilometers
  • UTMB Qualifier Charity Package tour Trail

Angels Staircase

Angels Staircase 60K
  • 2015-08-08
  • USA | Washington | Carlton
  • Ultramarathon - 60 kilometers
  • Trail Rainshadow Running Mountain