US Ultramarathons

Browse our Ultramarathon Calendar for races organized in the USA.

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1,376 races

Wyatt V. Courage Run

March 25, 2017 Race day in 1 day
USA / East South Central / Mississippi / Columbus
Ultramarathon - 150 miles
Relay

Ultra Adventures Monument Valley

50K
March 25, 2017 Race day in 1 day
USA / Mountain Region / Arizona / Monument Valley
Ultramarathon - 50 kilometers
Trail Ultra Adventures

The HAT Run

March 25, 2017 Race day in 1 day
USA / South Atlantic / Maryland / Havre de Grace
Ultramarathon - 50 kilometers
Hilly Trail

VALENCIA Trail Race

50K Ultra
March 25, 2017 Race day in 1 day
USA / Pacific / California / 29889, San Francisquito Canyon Road
Ultramarathon - 50 kilometers
Trail

Palmetto70 Relay

March 25, 2017 Race day in 1 day
USA / South Atlantic / South Carolina / Cordesville
Ultramarathon - 70 miles
Relay

Behind the Rocks 50 Mile, 50K and 30 Mile

Behind the Rocks 30 Mile
March 25, 2017 Race day in 1 day
USA / Mountain Region / Utah / Moab
Ultramarathon - 30 miles
Trail

Behind the Rocks 50 Mile, 50K and 30 Mile

Behind the Rocks 50 K
March 25, 2017 Race day in 1 day
USA / Mountain Region / Utah / Moab
Ultramarathon - 50 kilometers
Trail

Behind the Rocks 50 Mile, 50K and 30 Mile

Behind the Rocks 50 Mile
March 25, 2017 Race day in 1 day
USA / Mountain Region / Utah / Moab
Ultramarathon - 50 miles
Trail

Clinton Lake Ultra

March 25, 2017 Race day in 1 day
USA / East North Central / Illinois / Dewitt
Ultramarathon - 30 miles

Fort Clinch 100

Fort Clinch 100M
March 25, 2017 Race day in 1 day
USA / South Atlantic / Florida / Fernandina Beach, Amelia Island
Ultramarathon - 100 miles
Hilly Trail

Fort Clinch 100

Fort Clinch 50M
March 25, 2017 Race day in 1 day
USA / South Atlantic / Florida / Fernandina Beach, Amelia Island
Ultramarathon - 50 miles
Hilly Trail

Haulin' in the Holler

Haulin' in the Holler 50K Trail Race
March 25, 2017 Race day in 1 day
USA / South Atlantic / West Virginia / Eleanor
Ultramarathon - 50 kilometers
Trail Chiemsee-Ultramarathon

Mt. Tammany 10

March 25, 2017 Race day in 1 day
USA / Mid-Atlantic / Pennsylvania / Delaware Water Gap
Ultramarathon - 40 miles
Hilly Trail

Nine Trails 35 Mile Endurance Run

March 25, 2017 Race day in 1 day
USA / Pacific / California / Santa Barbara
Ultramarathon - 35 miles
Hilly Trail All we do is run

Oak Moutain 50+

March 25, 2017 Race day in 1 day
USA / East South Central / Alabama / Oak Mountain State Park
Ultramarathon - 50 kilometers
Hilly Trail