2017 - 2018 USA Trail Ultramarathon Calendar in August

Browse our Ultramarathon Calendar for races organized in USA during the month of August bearing the tag Trail among 73 races.

Refine by

73 races

Angeles Crest 100 mile endurance run

August 05, 2017 Race day in 3 months
USA / Pacific / California / Wrightwood
Ultramarathon - 100 miles
Trail Western States Qualifier

Colorado Bend

Colorado Bend - 60k
August 05, 2017 Race day in 3 months
USA / West South Central / Texas / Colorado Bend State Park
Ultramarathon - 60 kilometers
Tejas Trails Trail Night

Crystal Springs Trail Run (summer)

Crystal Springs 50 Km Trail Run (summer)
August 05, 2017 Race day in 3 months
USA / Pacific / California / Woodside
Ultramarathon - 50 kilometers
Coastal Trail Runs Hilly Trail

El Vaquero Loco

El Vaquero Loco 50K
August 05, 2017 Race day in 3 months
USA / Mountain Region / Wyoming / Afton
Ultramarathon - 50 kilometers
Trail Mountain

Vertigo Night Trail Runs

Vertigo 63K Night Trail Run
August 05, 2017 Race day in 3 months
USA / Mountain Region / Arizona / White Tank Mountain Regional Park, Waddell
Ultramarathon - 63 kilometers
Trail Aravaipa Running Night

Volcanic 50

August 05, 2017 Race day in 3 months
USA / Pacific / Washington / Marble Mountain Sno-Park
Ultramarathon - 50 kilometers
UTMB Qualifier Trail Mountain Go Beyond Ultra

White River 50 Mile Trail Run

August 05, 2017 Race day in 3 months
USA / Pacific / Washington / Cristal Mountain
Ultramarathon - 50 miles
Trail

Skyline 50K

August 06, 2017 Race day in 3 months
USA / Pacific / California / Lake Chabot Marina
Ultramarathon - 50 kilometers
Hilly Trail

Bigfoot 200 Mile Endurance Run

August 11, 2017 Race day in 4 months
USA / Pacific / Washington / Marble Mountain Sno-Park
Ultramarathon - 205 miles
Trail

Bigfoot 200 Mile Endurance Run

August 11, 2017 Race day in 4 months
USA / Pacific / Oregon / Marble Mountain Sno-Park
Ultramarathon - 205 miles
Trail

Cinderella Trail Run (Aug)

Cinderella Trail Run 50 km (Aug)
August 12, 2017 Race day in 4 months
USA / Pacific / California / Joaquin Miller Park, Oakland
Ultramarathon - 50 kilometers
Coastal Trail Runs Trail

Eastern States 100

Eastern States 100
August 12, 2017 Race day in 4 months
USA / Mid-Atlantic / Pennsylvania / Waterville
Ultramarathon - 100 miles
Trail Western States Qualifier Mountain

Martha Moats Baker Memorial 50Km

August 12, 2017 Race day in 4 months
USA / South Atlantic / Virginia / Stokesville
Ultramarathon - 50 kilometers
Trail

Post Canyon 50k & Half Marathon

Post Canyon 50k
August 12, 2017 Race day in 4 months
USA / Pacific / Oregon / Hood River
Ultramarathon - 50 kilometers
Trail

TARC Summer Classic

TARC Summer Classic 50K
August 12, 2017 Race day in 4 months
USA / New England / Massachusetts / Medfield
Ultramarathon - 50 kilometers
Trail Tarc Trail Series