2018 - 2019 Ultramarathon Calendar in December

Browse our Ultramarathon Calendar for races organized around the world during the month of December among 146 races.

146 races

Arctic Frog

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

Calero Park Run

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

Coastal Trail Series - Dorset

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

Coastal Trail Series - Dorset

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

Coastal Trail Series - Dorset

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

Falls 100 Miler / 50 Miler / Marathon / Half Marathon

50-Miler
2018-12-01 - 07:00
North America / USA / East South Central / Kentucky / Falls of Rough
Ultramarathon
Trail Running Solo

Falls 100 Miler / 50 Miler / Marathon / Half Marathon

100-Miler
2018-12-01 - 07:00
North America / USA / East South Central / Kentucky / Falls of Rough
Ultramarathon
Trail Running Multiple loops Solo

King of the Mountain 50K

50K
2018-12-01 - 07:15
North America / USA / South Atlantic / South Carolina / Blacksburg
Ultramarathon
Trail Running Solo

La Saintélyon

La Saintexpress
2018-12-01 - 23:00
Europe / Western Europe / France / Auvergne-Rhône-Alpes / Loire / Saint-Etienne
Ultramarathon
Night Race Trail Running Solo

La Saintélyon

La Saintélyon
2018-12-01 - 23:30
Europe / Western Europe / France / Auvergne-Rhône-Alpes / Loire / Saint-Etienne
Ultramarathon
Night Race Trail Running Solo

McDowell Mountain Frenzy

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

McDowell Mountain Frenzy

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