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

Chuckanut 50K

  • 2016-03-19
  • USA | Washington | Bellingham
  • Ultramarathon - 50 kilometers
  • Trail

Coastal Trail Series - Sussex

Coastal Trail Series - Sussex - Ultra
  • 2016-03-19
  • United Kingdom | East Sussex | Birling Gap
  • Ultramarathon - 34 miles
  • Trail Endurance Life

Ecotrail de Paris IDF

Ecotrail de Paris IDF - 50 km
  • 2016-03-19
  • France | Yvelines | Versailles
  • Ultramarathon - 50 kilometers
  • Trail

Ecotrail de Paris IDF

Ecotrail de Paris IDF - 80 km
  • 2016-03-19
  • France | Yvelines | St Quentin en Yvelines
  • Ultramarathon - 80 kilometers
  • UTMB Qualifier Trail Trail Tour National 2015 - Long

Elizabeth’s Furnace Fat Ass 50K

  • 2016-03-19
  • USA | Virginia | Front Royal
  • Ultramarathon - 50 kilometers
  • Trail

Hardmoors 55 Ultramarathon

  • 2016-03-19
  • United Kingdom | North Yorkshire | Helmsley
  • Ultramarathon - 55 miles
  • UTMB Qualifier Trail Hardmoors Race Series

HAT Trail Run

  • 2016-03-19
  • USA | Maryland | Havre de Grace
  • Ultramarathon - 50 kilometers
  • Trail

High Line Canal 100K

  • 2016-03-19
  • USA | Colorado | Littleton
  • Ultramarathon - 100 kilometers
  • Flat

Kathmandu West Valley Rim 50km

Kathmandu West Valley Rim 50km
  • 2016-03-19
  • Nepal | | Nagarjun National Park
  • Ultramarathon - 50 kilometers
  • UTMB Qualifier Trail Mountain

Lake Martin 100

Lake Martin 100 Mile Trail Race
  • 2016-03-19
  • USA | Alabama | Lake Martin
  • Ultramarathon - 100 miles
  • Trail

Lake Martin 100

Lake Martin 27 Mile Trail Race
  • 2016-03-19
  • USA | Alabama | Lake Martin
  • Ultramarathon - 27 miles
  • Trail

Lake Martin 100

Lake Martin 50 Mile Trail Race
  • 2016-03-19
  • USA | Alabama | Lake Martin
  • Ultramarathon - 50 miles
  • Trail

Northburn Station 100 miler Mountain Run

Northburn Station 100 km Mountain Run
  • 2016-03-19
  • New Zealand | | Cromwell
  • Ultramarathon - 100 kilometers
  • Trail Mountain

Northburn Station 100 miler Mountain Run

Northburn Station 100 miler Mountain Run
  • 2016-03-19
  • New Zealand | | Cromwell
  • Ultramarathon - 100 meters
  • Trail Mountain

Om Die Dam

Om Die Dam 50 km Marathon
  • 2016-03-19
  • South Africa | | Hartbeespoort
  • Ultramarathon - 50 kilometers
  • Road Running