2015 - 2016 Ultramarathon Calendar in December

Browse our Ultramarathon Calendar for races organized around the world during the month of December among 84 races.

84 races

Calero Park 50K Run

  • North America | USA | Pacific | California | San Jose
  • Ultramarathon - 50 kilometers
  • December 05, 2015 - 08:00
  • Hilly Trail

Isle du Bois 54 km Trail Run

  • North America | USA | West South Central | Texas | Pilot Point
  • Ultramarathon - 54 kilometers
  • December 05, 2015 - 07:30
  • Trail

Kleiner KoBoLT

  • Europe | Germany | Rhineland-Palatinate | Rengsdorf
  • Ultramarathon - 106 kilometers
  • December 05, 2015 - 12:00
  • UTMB Qualifier Hilly Invitation only Trail

KoBoLT

  • Europe | Germany | Rhineland-Palatinate | Koblenz
  • Ultramarathon - 140 kilometers
  • December 05, 2015 - 12:00
  • UTMB Qualifier Hilly Invitation only Trail

La Saintexpress

  • Europe | France | Rhône-Alpes | Rhône | Ste Catherine
  • Ultramarathon - 44 kilometers
  • December 05, 2015 - 23:00
  • Night Trail

TARC Fells Trail Ultra 32M

  • North America | USA | Massachusetts | Stoneham
  • Ultramarathon - 32 miles
  • December 05, 2015
  • Trail Tarc Trail Series

TARC Fells Trail Ultra 40M

  • North America | USA | Massachusetts | Stoneham
  • Ultramarathon - 40 miles
  • December 05, 2015
  • Trail Tarc Trail Series

Del Mar a la Cima - 60 km

  • South America | Colombia | Santa Marta
  • Ultramarathon - 60 kilometers
  • December 06, 2015 - 04:00
  • UTMB Qualifier Trail Mountain

La Saintélyon

  • Europe | France | Rhône-Alpes | Loire | Saint-Etienne
  • Ultramarathon - 72 kilometers
  • December 06, 2015 - 00:00
  • Night UTMB Qualifier Trail Trail Tour National 2015 - Long

The Guana River 50K Trail Run

  • North America | USA | South Atlantic | Florida | South Ponte Vedra
  • Ultramarathon - 50 kilometers
  • December 06, 2015 - 07:00
  • Trail Relay

Bigfoot 50K

  • North America | USA | East North Central | Ohio | Salt Fork State Park, Lore City
  • Ultramarathon - 50 kilometers
  • December 12, 2015 - 08:00
  • Trail Western Reserve Racing

Brazos Bend 100 Miler

  • North America | USA | Texas | Needville
  • Ultramarathon - 100 miles
  • December 12, 2015 - 06:00 Inaugural race
  • Fast Flat Fun Trail Relay

Brazos Bend 50 Miler

  • North America | USA | Texas | Needville
  • Ultramarathon - 50 miles
  • December 12, 2015 - 06:00 Inaugural race
  • Fast Flat Fun Trail

Frozen Trail Runfest 50K

  • North America | USA | Pacific | Oregon | Buford Park, Mt Pisgah - Eugene
  • Ultramarathon - 50 kilometers
  • December 12, 2015 - 09:00
  • Trail

Malibu Canyon Trail Run 50 km

  • North America | USA | Pacific | California | Malibu Creek State Park
  • Ultramarathon - 50 kilometers
  • December 12, 2015 - 08:00
  • Costal Trail Runs Trail