2016 - 2017 Ultramarathon Calendar in December

Browse our Ultramarathon Calendar for races organized around the world during the month of December among 104 races.

104 races

Arctic Frog

Arctic Frog 50K
  • 2016-12-03
  • USA | Illinois | Libertyville
  • Ultramarathon - 50 kilometers

Caloosahatchee Ultra

Caloosahatchee Ultra 50K
  • 2016-12-03
  • USA | Florida | Alva
  • Ultramarathon - 50 kilometers
  • Trail

Isle du Bois Trail Run

Isle du Bois 54 km Trail Run
  • 2016-12-03
  • USA | Texas | Pilot Point
  • Ultramarathon - 54 kilometers
  • Trail

La Saintélyon

La Saintexpress
  • 2016-12-03
  • France | Rhône | Ste Catherine
  • Ultramarathon - 44 kilometers
  • Trail Night

Last Chance 50k Trail Run and Relay

  • 2016-12-03
  • USA | South Carolina | Witherbee Ranger Station, Cordesville
  • Ultramarathon - 50 kilometers
  • Trail Relay

Tri States Relay

  • 2016-12-03
  • USA | Utah | Veyo
  • Ultramarathon - 50 miles
  • Relay

Civil War Relay

  • 2016-12-04
  • USA | Oregon | Eugene
  • Ultramarathon - 52 miles
  • Charity Road Running RLT Relay Races Relay

High Desert 50K Ultramarathon and 30K

High Desert 50K Ultramarathon
  • 2016-12-04
  • USA | California | Ridgecrest
  • Ultramarathon - 50 kilometers
  • Trail

La Saintélyon

La Saintélyon
  • 2016-12-04
  • France | Loire | Saint-Etienne
  • Ultramarathon - 72 kilometers
  • UTMB Qualifier Trail Trail Tour National 2015 - Long Night

Blåfrusen Ultramarathon

  • 2016-12-10
  • Sweden | Domarudden
  • Ultramarathon - 70 kilometers
  • Trail

Daytona 100 Ultramarathon

Daytona 100
  • 2016-12-10
  • USA | Florida | Daytona Beach
  • Ultramarathon - 100 miles
  • Fast Charity Flat

Daytona 100 Ultramarathon

Daytona 50
  • 2016-12-10
  • USA | Florida | Daytona Beach
  • Ultramarathon - 50 miles
  • Fast Charity Flat

Deer Dodge 50

Deer Dodge 50K
  • 2016-12-10
  • USA | Florida | 32570
  • Ultramarathon - 50 kilometers
  • Trail

Deer Dodge 50

Deer Dodge 50 Miler
  • 2016-12-10
  • USA | Florida | 32570
  • Ultramarathon - 50 miles
  • Trail

Frozen Trail Runfest

Frozen Trail Runfest 50K
  • 2016-12-10
  • USA | Oregon | Buford Park, Mt Pisgah - Eugene
  • Ultramarathon - 50 kilometers
  • Trail