Worldwide 2016 – 2017 Ultramarathon Calendar

Looking for a comprehensive guide to 2016 – 2017 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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3,213 races

Black Canyon Ultras

100K
  • 2016-02-13
  • USA | Arizona | Spring Valley
  • Ultramarathon - 100 kilometers
  • Trail Aravaipa Running

Black Canyon Ultras

50K
  • 2016-02-13
  • USA | Arizona | Spring Valley
  • Ultramarathon - 50 kilometers
  • Trail Aravaipa Running

Futangue Challenge

60K
  • 2016-02-13
  • Chile | Lago Rango
  • Ultramarathon - 60 kilometers
  • UTMB Qualifier Trail Mountain

Brocken-Challenge 84,5 km

  • 2016-02-13
  • Germany | Lower Saxony | Göttingen
  • Ultramarathon - 86 kilometers
  • Hilly

Dusk to Dawn

Caboolture Historical Village Dusk to Dawn 100km
  • 2016-02-13
  • Australia | Queensland | Caboolture
  • Ultramarathon - 100 kilometers
  • Walk Relay

Dusk to Dawn

Caboolture Historical Village Dusk to Dawn 50km
  • 2016-02-13
  • Australia | Queensland | Caboolture
  • Ultramarathon - 50 kilometers
  • Walk Relay

Cross Timbers Trail Runs

Cross Timbers Trail Runs 50M
  • 2016-02-13
  • USA | Texas | Sherman
  • Ultramarathon - 50 miles
  • Hilly Trail Night

Donadea 50K

  • 2016-02-13
  • Ireland | Kildare | Donadea Forest Park
  • Ultramarathon - 50 kilometers

Hagg Lake Trail Run

Hagg Lake 50k Trail run
  • 2016-02-13
  • USA | Oregon | Henry Hagg Lake
  • Ultramarathon - 50 kilometers
  • Trail Oregon Trail Ultra Marathon Series

Holiday Lake 50K

  • 2016-02-13
  • USA | Virginia | Holiday Lake
  • Ultramarathon - 50 kilometers
  • Trail Eco-x Sports

Jackpot Ultra Running Festival

Jackpot Ultra Running Festival 100 Miler
  • 2016-02-13
  • USA | Nevada | Las Vegas
  • Ultramarathon - 100 miles

Sustina 100

Little Su 50K
  • 2016-02-13
  • USA | Alaska | Susitna River valley
  • Ultramarathon - 50 kilometers
  • Trail Snow

Moab's Red Hot

Moab's Red Hot 55K
  • 2016-02-13
  • USA | Utah | Moab
  • Ultramarathon - 55 kilometers
  • Trail Grass Roots Events

Pemberton Trail 50K

  • 2016-02-13
  • USA | Arizona | Fountain Hills
  • Ultramarathon - 50 kilometers
  • Fast Trail Relay

Sustina 100

Susitna 100
  • 2016-02-13
  • USA | Alaska | Susitna River valley
  • Ultramarathon - 100 miles
  • UTMB Qualifier Trail Snow Iditarod Trail Invitational Qualifier