US Ultramarathons

Browse our Ultramarathon Calendar for races organized in the USA.

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1,395 races

Ahnapee Summer Solstice 50 Mile Run

50K Solo Run
June 24, 2017 Race day in 1 day
USA / East North Central / Wisconsin / Sturgeon Bay
Ultramarathon - 50 kilometers

Running with the Devil 100M, 50M, 50K, Marathon, 1/2, 10K, and 5K

50 Miler
June 24, 2017 Race day in 1 day
USA / Mountain Region / Nevada / Lovell Canyon Road
Ultramarathon - 50 miles
Calico Racing

Ahnapee Summer Solstice 50 Mile Run

50 Mile Relay Run
June 24, 2017 Race day in 1 day
USA / East North Central / Wisconsin / Sturgeon Bay
Ultramarathon - 50 miles
Relay

Ahnapee Summer Solstice 50 Mile Run

50 Mile Solo Run
June 24, 2017 Race day in 1 day
USA / East North Central / Wisconsin / Sturgeon Bay
Ultramarathon - 50 miles

Black Hills 100

Black Hills 100k
June 24, 2017 Race day in 1 day
USA / West North Central / South Dakota / Sturgis
Ultramarathon - 100 kilometers
Trail

Black Hills 100

Black Hills 50M
June 24, 2017 Race day in 1 day
USA / West North Central / South Dakota / Sturgis
Ultramarathon - 50 miles
Trail

Catamount Ultra

Catamount Ultra 50K
June 24, 2017 Race day in 1 day
USA / New England / Vermont / Stowe
Ultramarathon - 50 kilometers
Trail

Hell Hath No Hurry

Hell Hath No Hurry 50K
June 24, 2017 Race day in 1 day
USA / Mid-Atlantic / Pennsylvania / Algonquin Grove - Settler's Cabin Park, Pittsburgh
Ultramarathon - 50 kilometers
Hilly Trail

Hell Hath No Hurry

Hell Hath No Hurry 50 Miler
June 24, 2017 Race day in 1 day
USA / Mid-Atlantic / Pennsylvania / Algonquin Grove - Settler's Cabin Park, Pittsburgh
Ultramarathon - 50 miles
Hilly Trail

Hypnosis Night Trail Runs

Hypnosis 54 Night Trail Runs
June 24, 2017 Race day in 1 day
USA / Mountain Region / Arizona / Estrella Mountain Regional Park, Avondale
Ultramarathon - 54 kilometers
Trail Aravaipa Running Night

Logan Peak Trail Run

June 24, 2017 Race day in 1 day
USA / Mountain Region / Utah / Logan
Ultramarathon - 28 miles
Trail

Pedernales Falls

Pedernales Falls - 60km
June 24, 2017 Race day in 1 day
USA / West South Central / Texas / Johnson City
Ultramarathon - 60 kilometers
Tejas Trails Trail Night