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

3,030 races

Webberville Memorial Day Run

10k Run
  • May 25, 2015 - 09:00
  • North America | USA | East North Central | Michigan | Webberville
  • Ultramarathon - 62 miles

TrailFactor 50k

  • May 25, 2015 - 08:00
  • North America | USA | Pacific | Oregon | Forest Park, Portland
  • Ultramarathon - 50 kilometers
  • Trail

Trail Namur Capitale

Trail Namur Capitale - 40 km
  • May 25, 2015 - 09:30
  • Europe | Belgium | Wallonia | Namur
  • Ultramarathon - 40 kilometers
  • Hilly Green Trail

Severn Challenge

Hafren Ultra
  • May 28, 2015 - 08:00
  • Europe | United Kingdom | England | Worcestershire | Holt Castle
  • Ultramarathon - 27 miles
  • Road Running Ultra Running Ltd

Tenzing Hillary Everest Marathon

Mount Everest Extreme Ultra Marathon
  • May 29, 2015
  • Asia | Nepal | Mount Everest
  • Ultramarathon - 60 kilometers
  • Trail Mountain Extreme

Severn Challenge

Severn Plod Ultra
  • May 29, 2015 - 07:30
  • Europe | United Kingdom | England | Worcestershire | Holt Castle
  • Ultramarathon - 45 miles
  • Road Running Ultra Running Ltd

100km del Passatore

  • May 30, 2015
  • Europe | Italy | Tuscany | Florence
  • Ultramarathon - 100 kilometers

Adrenaline Night Run

Adrenaline 65K Night Run
  • May 30, 2015 - 19:00
  • North America | USA | Mountain Region | Arizona | McDowell Mountain Regional Park, Fountain Hills
  • Ultramarathon - 65 kilometers
  • Night Trail Aravaipa Running

Blackfoot Ultra

Blackfoot Ultra 100KM
  • May 30, 2015 - 05:00
  • North America | Canada | Alberta | Edmonton
  • Ultramarathon - 100 kilometers

Blackfoot Ultra

Blackfoot Ultra 50 Km
  • May 30, 2015 - 09:00
  • North America | Canada | Alberta | Edmonton
  • Ultramarathon - 50 kilometers
  • Trail

Blackfoot Ultra

Blackfoot Ultra 50 Miler
  • May 30, 2015 - 06:30
  • North America | Canada | Alberta | Edmonton
  • Ultramarathon - 50 miles
  • Trail

Bödefelder Hollenlauf

Bödefelder Hollenlauf 101 KM
  • May 30, 2015 - 06:30
  • Europe | Germany | North Rhine-Westphalia | Bödefeld
  • Ultramarathon - 101 kilometers

Bödefelder Hollenlauf

Bödefelder Hollenlauf 67 KM
  • May 30, 2015 - 06:30
  • Europe | Germany | North Rhine-Westphalia | Bödefeld
  • Ultramarathon - 67 kilometers

Boras Ultra Marathon

Boras Ultra Marathon - 100 miles
  • May 30, 2015
  • Europe | Sweden | Göteborg
  • Ultramarathon - 100 miles

Boras Ultra Marathon

Boras Ultra Marathon - 45 km
  • May 30, 2015
  • Europe | Sweden | Göteborg
  • Ultramarathon - 45 kilometers