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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3,001 races

TARC Fall Classic

TARC Fall Classic 50K
  • September 12, 2015 - 08:15
  • North America | USA | New England | Massachusetts | Carlisle
  • Ultramarathon - 50 kilometers
  • Trail Tarc Trail Series

TARC Fall Classic

TARC Fall Classic 50 M
  • September 12, 2015
  • North America | USA | New England | Massachusetts | Carlisle
  • Ultramarathon - 50 miles
  • Trail Tarc Trail Series

Thames Path Challenge

Thames Path Challenge 100km
  • September 12, 2015
  • Europe | United Kingdom | England | Oxfordshire | Henley
  • Ultramarathon - 100 kilometers
  • UTMB Qualifier Walk Charity

Thames Path Challenge

Thames Path Challenge 50km
  • September 12, 2015
  • Europe | United Kingdom | England | Oxfordshire | Henley
  • Ultramarathon - 50 kilometers
  • Walk Charity

The Hennepin Hundred

The Hennepin Hundred - 100M
  • September 12, 2015
  • North America | USA | East North Central | Illinois | Sterling
  • Ultramarathon - 100 miles

The Hennepin Hundred

The Hennepin Hundred - 100M Relay
  • September 12, 2015
  • North America | USA | East North Central | Illinois | Sterling
  • Ultramarathon - 100 miles
  • Relay

The Hennepin Hundred

The Hennepin Hundred - 50M
  • September 12, 2015
  • North America | USA | East North Central | Illinois | Sterling
  • Ultramarathon - 50 miles

Tommyknocker Ultras

Tommyknocker 100K
  • September 12, 2015 - 02:00
  • North America | USA | Mountain Region | Colorado | Woodland Park
  • Ultramarathon - 100 kilometers
  • Trail Mountain

Tommyknocker Ultras

Tommyknocker 50K
  • September 12, 2015 - 08:00
  • North America | USA | Mountain Region | Colorado | Woodland Park
  • Ultramarathon - 50 kilometers
  • Trail Mountain

Troi dei Cimbri

  • September 12, 2015
  • Europe | Italy | Veneto | Fregona
  • Ultramarathon - 53 kilometers
  • Hilly Trail

Ucka Trail

Ucka Trail - 73 km
  • September 12, 2015 - 07:00
  • Europe | Croatia | Mošćenička Draga
  • Ultramarathon - 73 kilometers
  • UTMB Qualifier Hilly Trail Mountain

Ultratour du Leman

  • September 12, 2015 - 07:00
  • Europe | Switzerland | Vaud | Villeneuve
  • Ultramarathon - 173 kilometers
  • Road Running

Ultra Trail Macizo de Ubiña “Los Güeyos del Diablo”

  • September 12, 2015
  • Europe | Spain | Principality of Asturias | Tuiza de Arriba
  • Ultramarathon - 64 kilometers
  • Trail Mountain

Weymouth Woods 10K, 25K and 50K

Weymouth Woods 50K
  • September 12, 2015
  • North America | USA | South Atlantic | North Carolina | Southern Pines
  • Ultramarathon - 50 kilometers

Running Festival of the Economic Forum

7 Valleys Run Ultramarathon of the Festival
  • September 13, 2015 - 03:00
  • Europe | Poland | Krynica
  • Ultramarathon - 100 kilometers