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

3,093 races

Elbrus World Race by adidas outdoor

Elbrus Mountain Race by adidas outdoor
  • 2015-07-30
  • Russia | | Elbrus Village
  • Ultramarathon - 105 kilometers
  • Trail Mountain

The Himalayan Crossing

The SPITI
  • 2015-07-30
  • India | Himachal Pradesh | Lohsar
  • Ultramarathon - 126 kilometers
  • UTMB Qualifier Trail GlobeRacers Mountain

Cascade Lakes Relay & CLR24

  • 2015-07-31
  • USA | Oregon | Bend
  • Ultramarathon - 132 miles
  • Relay

Ouray 100 Mile Endurance Run

  • 2015-07-31
  • USA | Colorado | Ouray
  • Ultramarathon - 100 miles
  • Trail Mountain Ever Run Racing

Cascade Lakes Relay

  • 2015-07-31
  • USA | Oregon | Bend
  • Ultramarathon - 132 miles
  • Relay

Ruby Mountain Relay

  • 2015-07-31
  • USA | Nevada | Elko County
  • Ultramarathon - 184 miles
  • Relay

Ultra Adventure Tushars

Ultra Adventure Tushars 100 Mile
  • 2015-07-31
  • USA | Utah | Eagle Point Ski Resort
  • Ultramarathon - 100 miles
  • Trail

Wild West Relay

  • 2015-07-31
  • USA | Colorado | Fort Collins
  • Ultramarathon - 200 miles
  • Road Running RLT Relay Races Relay

I Ran Marathons Majestic August

50K
  • 2015-08-01
  • USA | Texas | San Antonio
  • Ultramarathon - 50 kilometers

Angeles Crest 100 mile endurance run

  • 2015-08-01
  • USA | California | Wrightwood
  • Ultramarathon - 100 miles
  • Trail Western States Qualifier

Canadian Death Race

  • 2015-08-01
  • Canada | Alberta | Grande Cache
  • Ultramarathon - 125 kilometers
  • Trail Mountain Western States Qualifier

Cēsis ECO Trail

Cēsis ECO Trail 80 km
  • 2015-08-01
  • Latvia | | Cēsis
  • Ultramarathon - 80 kilometers
  • UTMB Qualifier Trail

Dahlgren Heritage Rail Trail 50 km

  • 2015-08-01
  • USA | Virginia | King George
  • Ultramarathon - 50 kilometers

Devil o' the Highlands Footrace

  • 2015-08-01
  • United Kingdom | Stirling | Tyndrum
  • Ultramarathon - 43 miles

Dirndltal Extrem Ultramarathon

  • 2015-08-01
  • Austria | | Ober-Grafendorf
  • Ultramarathon - 111 kilometers
  • UTMB Qualifier Trail Mountain