2018 - 2019 Ultramarathon Calendar in December

Browse our Ultramarathon Calendar for races organized around the world during the month of December among 150 races.

150 races

Arctic Frog

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

Boavista Ultramarathon

Boavista Salt Marathon
2018-12-01
Africa / Western Africa / Cape Verde / Boavista
Ultramarathon
Trail Running Solo

Boavista Ultramarathon

Boavista Ultramarathon - 150 km
2018-12-01
Africa / Western Africa / Cape Verde / Boavista
Ultramarathon
Trail Running Solo

Brunei Unexpected Kingdom Ultra Marathon (B.U.K.U.M)

115 km
2018-12-01
Asia / South-eastern Asia / Brunei / Brunei
Ultramarathon
Road Running Solo

Brunei Unexpected Kingdom Ultra Marathon (B.U.K.U.M)

60 km
2018-12-01
Asia / South-eastern Asia / Brunei / Brunei
Ultramarathon
Road Running Solo

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

Caloosahatchee Ultra

50K
2018-12-01 - 07:30
North America / USA / South Atlantic / Florida / Alva
Ultramarathon
Trail Running 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

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
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
Upcoming races first Name A->Z Name Z->A Location A->Z Location Z->A Date older->newer Date newer-> older