2018 - 2019 Ultramarathon Calendar in December

Browse our Ultramarathon Calendar for races organized around the world during the month of December among 147 races.

147 races

Arctic Frog

50K
12/01/2018 - 08:00
North America / USA / East North Central / Illinois / Libertyville
Ultramarathon
Running

Calero Park Run

Calero Park 50K Run
12/01/2018 - 08:00 To be confirmed
North America / USA / Pacific / California / San Jose
Ultramarathon
Trail Running Hilly

Coastal Trail Series - Dorset

Marathon
12/01/2018
Europe / Northern Europe / United Kingdom / England / Dorset / Lulworth Cove, Wareham
Ultramarathon
Trail Running Hilly Solo

Coastal Trail Series - Dorset

Ultra Plus
12/01/2018
Europe / Northern Europe / United Kingdom / England / Dorset / Lulworth Cove, Wareham
Ultramarathon
Trail Running Hilly Solo

Coastal Trail Series - Dorset

Ultra
12/01/2018
Europe / Northern Europe / United Kingdom / England / Dorset / Lulworth Cove, Wareham
Ultramarathon
Trail Running Hilly Solo

McDowell Mountain Frenzy

50M
12/01/2018 - 07:00
North America / USA / Mountain Region / Arizona / Fountain Hills
Ultramarathon
Desert Trail Running Solo

McDowell Mountain Frenzy

50K
12/01/2018 - 08:00
North America / USA / Mountain Region / Arizona / Fountain Hills
Ultramarathon
Desert Trail Running Solo

Civil War Relay

12/02/2018
North America / USA / Pacific / Oregon / Eugene
Ultramarathon
Road Running Relay

Hivernale des Templiers

L’astragale Trail
12/02/2018 - 06:45
Europe / Western Europe / France / Midi-Pyrénées / Aveyron / Roquefort
Ultramarathon
Trail Running

Last Chance 50k Trail Run and Relay

50K
12/02/2018
North America / USA / South Atlantic / South Carolina / Cordesville
Ultramarathon
Trail Running

Blåfrusen Ultramarathon

12/08/2018
Europe / Northern Europe / Sweden / Domarudden
Ultramarathon
Trail Running

Bulow Woods Trail Race and Ultra Marathon

50K Ultra Marathon
12/08/2018 - 07:00
North America / USA / South Atlantic / Florida / Ormond Beach
Ultramarathon
Trail Running Solo