2018 - 2019 Trail Ultramarathon Calendar in December

Browse our Ultramarathon Calendar for races organized around the world during the month of December bearing the tag Trail among 36 races.

36 races

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

Last Chance 50k Trail Run and Relay

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

Deception Pass

Deception Pass 50K
12/08/2018 - 08:00
North America / USA / Pacific / Washington / Oak Harbor
Ultramarathon
Trail Running

Sawmill 17 & 55K+

Sawmill 55K+
12/08/2018
North America / USA / Mountain Region / Colorado / Golden
Ultramarathon
Trail Running Mountain Solo

Caloosahatchee Ultra

Caloosahatchee Ultra 50K
12/02/2017
North America / USA / South Atlantic / Florida / Alva
Ultramarathon
Trail Running

Jackson County 50-50 Ultramarathon

50k
12/02/2017 - 08:00
North America / USA / East North Central / Indiana / Brownstown
Ultramarathon
Trail Running

Jackson County 50-50 Ultramarathon

50mi
12/02/2017 - 07:30
North America / USA / East North Central / Indiana / Brownstown
Ultramarathon
Trail Running

McDowell Mountain Frenzy

50K
12/02/2017 - 08:00
North America / USA / Mountain Region / Arizona / Fountain Hills
Ultramarathon
Desert Trail Running Solo

McDowell Mountain Frenzy

50M
12/02/2017 - 07:00
North America / USA / Mountain Region / Arizona / Fountain Hills
Ultramarathon
Desert Trail Running

Redbird Crest 100K

12/02/2017 - 07:00
North America / USA / East South Central / Kentucky / Big Creek
Ultramarathon
Trail Running

TARC Fells Trail Ultra

32M
12/02/2017
North America / USA / New England / Massachusetts / Stoneham
Ultramarathon
Trail Running

TARC Fells Trail Ultra

40M
12/02/2017
North America / USA / New England / Massachusetts / Stoneham
Ultramarathon
Trail Running