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.

Refine by Show races on a map

2,992 races

100 km du Périgord Noir

100 km de Belvès en Périgord Noir
  • April 25, 2015 - 08:00
  • Europe | France | Aquitaine | Dordogne | Belvès
  • Ultramarathon - 100 kilometers
  • Road Running

50 KM di Romagna

  • April 25, 2015 - 08:30
  • Europe | Italy | Emilia-Romagna | Castelbolognese
  • Ultramarathon - 50 kilometers

Beskidzka 160 Na

Beskidzka 160 Na - Long Distance
  • April 25, 2015
  • Europe | Poland | Wisla
  • Ultramarathon - 84 kilometers
  • UTMB Qualifier Trail

Beskidzka 160 Na

Beskidzka 160 Na - Short Distance
  • April 25, 2015
  • Europe | Poland | Wisla
  • Ultramarathon - 45 kilometers
  • UTMB Qualifier Trail

Brazos Bend 50

  • April 25, 2015 - 06:00 Inaugural race
  • Oceania | United States Minor Outlying Islands | Needville
  • Ultramarathon - 50 miles
  • Trail

Bretagne Ultra Trail

Bretagne Ultra Trail - 115 km
  • April 25, 2015 - 05:00
  • Europe | France | Brittany | Morbihan | Quelven en Guern
  • Ultramarathon - 115 kilometers
  • UTMB Qualifier Hilly Trail Relay

Bretagne Ultra Trail

Bretagne Ultra Trail - 63 km
  • April 25, 2015 - 05:00
  • Europe | France | Brittany | Morbihan | Plouay
  • Ultramarathon - 63 kilometers
  • Hilly Trail

Cheyenne Mtn. Trail Race

Cheyenne Mtn. Trail 50K Race
  • April 25, 2015
  • North America | USA | Mountain Region | Colorado | Cheyenne Mountain State Park
  • Ultramarathon - 50 kilometers
  • Fast Trail Epic Endurance Events

Chippewa Moraine 'A Run for the AGES'

Chippewa 50K Trail Run
  • April 25, 2015 - 08:00
  • North America | USA | East North Central | Wisconsin | New Auburn
  • Ultramarathon - 50 kilometers
  • Trail

C&O Canal 100

  • April 25, 2015 - 07:00
  • North America | USA | South Atlantic | Maryland | Camp Manidokan
  • Ultramarathon - 100 miles

Cures for Colors 100 Mile Run/Walk

Cures for Colors 100 Mile Run/Walk
  • April 25, 2015
  • North America | USA | South Atlantic | North Carolina | Goldsboro
  • Ultramarathon - 100 miles
  • Charity Road Running Relay

Double Top 100

Double Top 100 km
  • April 25, 2015
  • North America | USA | South Atlantic | Georgia | Ft Mountain State Park, Chatsworth
  • Ultramarathon - 100 kilometers
  • Trail

Double Top 100

Double Top 100 Mile
  • April 25, 2015
  • North America | USA | South Atlantic | Georgia | Ft Mountain State Park, Chatsworth
  • Ultramarathon - 100 miles
  • Trail

Double Top 100

Double Top 50 km
  • April 25, 2015
  • North America | USA | South Atlantic | Georgia | Ft Mountain State Park, Chatsworth
  • Ultramarathon - 50 kilometers
  • Trail

Due Rocche

Due Rocche - 48 km
  • April 25, 2015
  • Europe | Italy | Veneto | Cornuda
  • Ultramarathon - 48 kilometers
  • Walk Trail