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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3,001 races

Lost Sierra Endurance Run

Lost Sierra 50K
  • September 12, 2015
  • North America | USA | Pacific | California | Graeagle
  • Ultramarathon - 50 kilometers
  • Trail Mountain

Lost Soul Ultra

Lost Soul 50 Km Ultra
  • September 12, 2015 - 07:00
  • North America | Canada | Alberta | Lethbridge
  • Ultramarathon - 50 kilometers
  • Trail

McKenzie River Trail Run

  • September 12, 2015 - 07:00
  • North America | USA | Pacific | Oregon | Blue River
  • Ultramarathon - 50 kilometers
  • Trail Oregon Trail Ultra Marathon Series

Stadtgut Steyr Ultralauf-Event

“NKE Austria” 100km Lauf
  • September 12, 2015 - 07:00
  • Europe | Austria | Steyr
  • Ultramarathon - 100 kilometers
  • Team Road Running

Odyssey Trail Running Rampage

Odyssey 40 Mile Trail Ultra
  • September 12, 2015 - 07:00
  • North America | USA | South Atlantic | Virginia | Douthat State Park
  • Ultramarathon - 40 miles
  • Trail

Paatuwaqatsi Run

Paatuwaqatsi Run 50K
  • September 12, 2015
  • North America | USA | Mountain Region | Arizona | Polacca
  • Ultramarathon - 50 kilometers
  • Desert Trail

Woodstock Festival of Races

Peace, Love & 50 mile
  • September 12, 2015 - 06:00
  • North America | USA | East North Central | Michigan | Pinckney
  • Ultramarathon - 50 miles
  • Hilly Trail Midwest Grand Slam of Ultrarunning

Pine Creek Challenge

Pine Creek Challenge 100K
  • September 12, 2015
  • North America | USA | Mid-Atlantic | Pennsylvania | Wellsboro
  • Ultramarathon - 100 kilometers
  • Trail

Pine Creek Challenge

Pine Creek Challenge 100M
  • September 12, 2015
  • North America | USA | Mid-Atlantic | Pennsylvania | Wellsboro
  • Ultramarathon - 100 miles
  • Trail

Pine to Palm 100 Mile Endurance Run

  • September 12, 2015
  • North America | USA | Pacific | Oregon | Williams
  • Ultramarathon - 100 meters
  • UTMB Qualifier Trail Oregon Trail Ultra Marathon Series Mountain Western States Qualifier

Plain 100 Mile Endurance Run

  • September 12, 2015 - 05:00
  • North America | USA | Pacific | Washington | Plain
  • Ultramarathon - 100 miles
  • UTMB Qualifier Trail

Sears Great Canadian Run - Toronto

  • September 12, 2015
  • North America | Canada | Ontario | Toronto
  • Ultramarathon - 141 kilometers
  • Relay Fund raising

Sellaronda Trail Running

  • September 12, 2015
  • Europe | Italy | Trentino-Alto Adige/Südtirol | Canazei
  • Ultramarathon - 56.3 kilometers
  • Trail Mountain

Fall Superior Trail Races

Superior Trail 50 Mile
  • September 12, 2015
  • North America | USA | West North Central | Minnesota | Lutsen
  • Ultramarathon - 50 miles
  • Trail

Susquehanna Super Hike and Ultra Trail Run

  • September 12, 2015 - 07:00
  • North America | USA | Mid-Atlantic | Pennsylvania | Airville
  • Ultramarathon - 29.1 miles
  • Fast Hilly Fun Trail Mountain Extreme