2015 - 2016 Ultramarathon Calendar in December

Browse our Ultramarathon Calendar for races organized around the world during the month of December among 93 races.

93 races

Arctic Frog

Arctic Frog 50K

  • December 05, 2015
  • North America | USA | Illinois | Libertyville
  • Ultramarathon - 50 kilometers

Calero Park Run

Calero Park 50K Run

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

Caloosahatchee Ultra

Caloosahatchee Ultra 50K

  • December 05, 2015
  • North America | USA | Florida | Alva
  • Ultramarathon - 50 kilometers
  • Trail

Hitchcock Hundred

Hitchcock Hundred 100 Miler

  • December 05, 2015 - 05:00
  • North America | USA | Iowa | Honey Creek
  • Ultramarathon - 100 miles
  • Trail

Hitchcock Hundred

Hitchcock Hundred 50 Miler

  • December 05, 2015 - 19:00
  • North America | USA | Iowa | Honey Creek
  • Ultramarathon - 50 miles
  • Trail

Isle du Bois Trail Run

Isle du Bois 54 km Trail Run

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

KoBoLT

Kleiner KoBoLT

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

KoBoLT

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

La Saintélyon

La Saintexpress

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

McDowell Mountain Frenzy

McDowell Mountain Frenzy 50K

  • December 05, 2015 - 07:00
  • North America | USA | Mountain Region | Arizona | Fountain Hills
  • Ultramarathon - 50 kilometers
  • Trail Aravaipa Running

Nilgiris 100

Nilgiris 100 km Men-Only Ultra

  • December 05, 2015 - 00:00
  • Asia | India | Ootacamund
  • Ultramarathon - 100 kilometers
  • UTMB Qualifier Hilly GlobeRacers

Nilgiris 100

Nilgiris 50 km Men-Only Ultra

  • December 05, 2015 - 06:00
  • Asia | India | Ootacamund
  • Ultramarathon - 50 kilometers
  • Hilly GlobeRacers

TARC Fells Trail Ultra

TARC Fells Trail Ultra 32M

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

TARC Fells Trail Ultra

TARC Fells Trail Ultra 40M

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

The North Face Endurance Challenge California

The North Face Endurance Challenge California 50K

  • December 05, 2015 - 07:00
  • North America | USA | Pacific | California | San Francisco
  • Ultramarathon - 50 kilometers
  • Trail The North Face Endurance Challenge