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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3,071 races

I Ran Marathons Christmas Lucky 13

50K
  • 2015-12-26
  • USA | Texas | San Antonio
  • Ultramarathon - 50 kilometers

Boyers Furnace

  • 2015-12-26
  • USA | Virginia | Fort Valley
  • Ultramarathon - 40 miles
  • Trail

Woodside

Woodside 50 km
  • 2015-12-27
  • USA | California | Woodside
  • Ultramarathon - 50 kilometers
  • Trail Pacific Trail Runs

Woodside Trail Run

Woodside Trail 50km Run
  • 2015-12-27
  • USA | California | Woodside
  • Ultramarathon - 50 kilometers
  • Trail Pacific Trail Runs

Recover from the Holidays

  • 2015-12-31
  • USA | Alabama | Huntsville Cross Country Park, Huntsville
  • Ultramarathon - 50 kilometers

Festival of Running

Festival of Running 100 Mile Race
  • 2016-01-01
  • South Africa | | Pretoria
  • Ultramarathon - 100 miles

Pistol Ultra Run

100K
  • 2016-01-02
  • USA | Tennessee | Alcoa
  • Ultramarathon - 100 kilometers

Pistol Ultra Run

100 Miler
  • 2016-01-02
  • USA | Tennessee | Alcoa
  • Ultramarathon - 100 miles

Pistol Ultra Run

50K
  • 2016-01-02
  • USA | Tennessee | Alcoa
  • Ultramarathon - 50 kilometers
  • Relay

SM Loop

SMU-Loop
  • 2016-01-02
  • Netherlands | Limburg | Meerssen
  • Ultramarathon - 58 kilometers

The North Face® Kathmandu Ultra

The North Face® Kathmandu Ultra 50km
  • 2016-01-02
  • Nepal | | Kathmandu
  • Ultramarathon - 50.3 kilometers
  • UTMB Qualifier Trail

The North Face® Kathmandu Ultra

The North Face® Kathmandu Ultra 80km
  • 2016-01-02
  • Nepal | | Kathmandu
  • Ultramarathon - 78 kilometers
  • UTMB Qualifier Trail

Yankee Winter Trail Run

Yankee Winter Trail 50K
  • 2016-01-02
  • USA | Michigan | Middleville
  • Ultramarathon - 50 kilometers
  • Trail

Tuscobia Winter Ultramarathon

Tuscobia Winter Ultramarathon 150 Mile Run
  • 2016-01-08
  • USA | Wisconsin | Park Falls
  • Ultramarathon - 150 miles
  • Snow Trail Iditarod Trail Invitational Qualifier

San Tan Scramble Trail Runs

50K
  • 2016-01-09
  • USA | Arizona | Queen Creek
  • Ultramarathon - 50 kilometers
  • Desert Trail Aravaipa Running