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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2,990 races

Yeti Snakebite 50/50

Yeti Snakebite 50K
  • August 30, 2015 - 07:00
  • North America | USA | Georgia | Lithia Springs
  • Ultramarathon - 50 kilometers
  • Trail

Yeti Snakebite 50/50

Yeti Snakebite 50M
  • August 30, 2015 - 07:00
  • North America | USA | Georgia | Lithia Springs
  • Ultramarathon - 50 miles
  • Trail

Kerry Way Ultra

  • September 04, 2015 - 06:00
  • Europe | Ireland | Munster | Killarney
  • Ultramarathon - 120 miles
  • Trail

La Nuit des Carbones

La Nuit des Carbones - 50 km
  • September 04, 2015 - 20:30
  • Europe | France | Rhône-Alpes | Rhône | Saint Romain au Mont d'Or
  • Ultramarathon - 50 kilometers
  • Night UTMB Qualifier Trail

Transylvania Trail

Transylvania Trail Traverse Dracula 106K
  • September 04, 2015 - 06:00
  • Europe | Romania | Brasov
  • Ultramarathon - 106 kilometers
  • UTMB Qualifier Trail Relay Mountain

Ultra-Trail Côte d'Azur Mercantour

Ultra-Trail Côte d'Azur Mercantour
  • September 04, 2015
  • Europe | France | Alpes-Maritimes | St Martin-Vésubie
  • Ultramarathon - 140 kilometers
  • Trail Relay Mountain

10 Peaks Brecon Beacons

10 Peaks Brecon Beacons - Long Course
  • September 05, 2015
  • Europe | United Kingdom | Wales | Powys | Talybont-on-Usk
  • Ultramarathon - 89 kilometers
  • UTMB Qualifier Trail Mountain

10 Peaks Brecon Beacons

10 Peaks Brecon Beacons - Short Course
  • September 05, 2015
  • Europe | United Kingdom | Wales | Powys | Talybont-on-Usk
  • Ultramarathon - 58 kilometers
  • UTMB Qualifier Trail Mountain

Kaslo Suffer Fest

50K Cody Claim Run
  • September 05, 2015 - 06:00
  • North America | Canada | British Columbia | Kaslo
  • Ultramarathon - 50 kilometers
  • Trail

Bergslagsleden Ultra

  • September 05, 2015 - 09:00
  • Europe | Sweden | Ånnaboda
  • Ultramarathon - 47.5 kilometers
  • Hilly Trail

Bonitas Sunday Mont-Aux-Sources Challenge

  • September 05, 2015
  • Africa | South Africa | Royal Natal National Park
  • Ultramarathon - 50 kilometers
  • Charity Trail

Bullock Smithy

  • September 05, 2015 - 12:00
  • Europe | United Kingdom | England | Stockport | Hazel Grove
  • Ultramarathon - 56 miles
  • Walk

Craze Ultra 100 miles

Craze Ultra 100 miles
  • September 05, 2015 - 07:00 To be confirmed
  • Asia | Singapore | MacRitchie Reservoir
  • Ultramarathon - 100 miles
  • Road Running

Craze Ultra 100 miles

Craze Ultra 101 km
  • September 05, 2015 - 07:00 To be confirmed
  • Asia | Singapore | MacRitchie Reservoir
  • Ultramarathon - 101 kilometers
  • Road Running

Craze Ultra 100 miles

Craze Ultra 43km
  • September 05, 2015 - 07:00 To be confirmed
  • Asia | Singapore | MacRitchie Reservoir
  • Ultramarathon - 43 kilometers
  • Road Running