US Ultramarathons

Browse our Ultramarathon Calendar for races organized in the USA.

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1,358 races

Spokane to Sandpoint Relay

August 26, 2016 Race day in 1 day
USA / Pacific / Washington / Spokane
Ultramarathon - 200 miles

Hood to Coast Relay

August 26, 2016 To be confirmed Race day in 1 day
USA / Pacific / Oregon / Mt Hood
Ultramarathon - 199 miles
Relay

Lean Horse Ultra-Marathon Hundred, Half Hundred, & 50K

50 km
August 27, 2016 Race day in 2 days
USA / West North Central / South Dakota / Hot Springs
Ultramarathon - 50 kilometers
Trail

Baker Trail UltraChallenge

August 27, 2016 Race day in 2 days
USA / Mid-Atlantic / Pennsylvania / Brookville
Ultramarathon - 50 miles
Trail

Bulldog 50K and 25K

Bulldog 50K Ultra
August 27, 2016 Race day in 2 days
USA / Pacific / California / Calabasas
Ultramarathon - 50 kilometers
Trail

Cascade Crest 100 Mile Endurance Run

August 27, 2016 Race day in 2 days
USA / Pacific / Washington / Easton
Ultramarathon - 100 miles
UTMB Qualifier Trail Western States Qualifier Mountain

The Castle Peak 100K

August 27, 2016 Race day in 2 days
USA / Pacific / California / Truckee
Ultramarathon - 100 kilometers
Trail

D'Evelyn DASH 5K/2K run/walk and carnival

D'Evelyn DASH 2K run/walk and carnival
August 27, 2016 Race day in 2 days
USA / Mountain Region / Colorado / Denver
Ultramarathon - 2000 kilometers
Fun Urban Trail Fund raising

Diablo Trail Run

Diablo Trail 50K Run
August 27, 2016 Race day in 2 days
USA / Pacific / California / Clayton
Ultramarathon - 50 kilometers
Coastal Trail Runs Hilly Walk Trail

Lean Horse Ultra-Marathon Hundred, Half Hundred, & 50K

Lean Horse Half Hundred
August 27, 2016 Race day in 2 days
USA / West North Central / South Dakota / Hot Springs
Ultramarathon - 50 miles
Trail

Lean Horse Ultra-Marathon Hundred, Half Hundred, & 50K

Lean Horse Hundred
August 27, 2016 Race day in 2 days
USA / West North Central / South Dakota / Hot Springs
Ultramarathon - 100 miles
Trail

Reveille Peak Ranch

Reveille Peak Ranch - 60km
August 27, 2016 Race day in 2 days
USA / West South Central / Texas / Reveille Peak Ranch, Burnet
Ultramarathon - 60 kilometers
Tejas Trails Trail Night

Tamalpa Headlands 50K

August 27, 2016 Race day in 2 days
USA / Pacific / California / Muir Beach
Ultramarathon - 50 kilometers
UTMB Qualifier Hilly Trail

Yeti Snakebite 50/50

August 27, 2016 Race day in 2 days
USA / South Atlantic / Georgia / Lithia Springs
Ultramarathon - 50 kilometers
Trail

Burning Man UltraMarathon

August 30, 2016 Race day in 5 days
USA / Mountain Region / Nevada / Black Rock City
Ultramarathon - 50 kilometers
Desert