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

DoubleTop 100

DoubleTop 100 100M
  • April 18, 2015 - 04:30
  • North America | USA | South Atlantic | Georgia | Ft Mountain State Park
  • Ultramarathon - 100 miles
  • Fast Hilly Fun Trail

DTR Endurance Race 5k/10k/Half-Marathon/50k

DTR Endurance Race 50k
  • April 18, 2015 - 06:30
  • North America | USA | South Atlantic | Florida | Jonathan Dickinson State Park, Stuart
  • Ultramarathon - 50 kilometers
  • Trail

Earth Day 50K / 15 Mile Trail Race

Earth Day 50K Trail Race
  • April 18, 2015 - 08:00
  • North America | USA | East North Central | Illinois | Crystal Lake
  • Ultramarathon - 50 kilometers
  • Trail Relay

Everest Ultra Marathon Trail

  • April 18, 2015 - 06:30
  • Asia | Nepal | Gorak Shep
  • Ultramarathon - 65 kilometers
  • Trail Mountain

Free State Trail Runs

Free State Trail Runs 100 km Trail Ultra
  • April 18, 2015 - 07:00
  • North America | USA | West North Central | Kansas | Lawrence
  • Ultramarathon - 100 kilometers
  • Trail

Free State Trail Runs

Free State Trail Runs 40-Mile Trail Ultra
  • April 18, 2015 - 07:00
  • North America | USA | West North Central | Kansas | Lawrence
  • Ultramarathon - 40 miles
  • Trail

Hog's Hunt 50K/25K Trail Run

Hog's Hunt 50K Trail Run
  • April 18, 2015 - 06:00
  • North America | USA | West South Central | Texas | Huntsville State Park
  • Ultramarathon - 50 kilometers
  • Trail

Hyner Challenge

Hyner Ultra Challenge 50K
  • April 18, 2015
  • North America | USA | Mid-Atlantic | Pennsylvania | Hyner
  • Ultramarathon - 50 kilometers
  • Trail

Iznik Ultramarathon

Iznik 130K Ultramarathon
  • April 18, 2015 - 07:30
  • Europe | Turkey | Iznik
  • Ultramarathon - 130 kilometers
  • UTMB Qualifier Fun Trail MCR Racesetter

Jabulani Challenge

Jabulani Challenge 45 km
  • April 18, 2015 - 06:00
  • Oceania | Australia | New South Wales | Lindfield
  • Ultramarathon - 45 kilometers
  • Walk Charity Trail

Leatherwood Ultras

Leatherwood Ultras 50K
  • April 18, 2015 - 07:00
  • North America | USA | South Atlantic | North Carolina | Ferguson
  • Ultramarathon - 50 kilometers
  • Trail

Leatherwood Ultras

Leatherwood Ultras 50M
  • April 18, 2015 - 07:00
  • North America | USA | South Atlantic | North Carolina | Ferguson
  • Ultramarathon - 50 miles
  • Trail

Le Grand Défi des Vosges

Le Défi des Seigneurs
  • April 18, 2015 - 07:00
  • Europe | France | Alsace | Bas-Rhin | Niederbronn-les-Bains
  • Ultramarathon - 74 kilometers
  • UTMB Qualifier Trail Mountain

Leona Divide 50/50

Leona Divide 50K
  • April 18, 2015 - 06:00
  • North America | USA | Pacific | California | Lake Hughes
  • Ultramarathon - 50 kilometers
  • UTMB Qualifier Trail

Leona Divide 50/50

Leona Divide 50 Miles
  • April 18, 2015 - 06:00
  • North America | USA | Pacific | California | Lake Hughes
  • Ultramarathon - 50 miles
  • UTMB Qualifier Trail