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.

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73 races

Ouray 100 Mile Endurance Run

102.1 Miles
August 04, 2017 Race day in 2 months
USA / Mountain Region / Colorado / Ouray
Ultramarathon - 102.100 miles
Trail Mountain Ever Run Racing

Moosalamoo Ultra

36 Miles
August 05, 2017 Race day in 2 months
USA / New England / Vermont / Goshen
Ultramarathon - 36 miles
Trail

HURL Elkhorn 50 Mile/50 K Ultramarathons

50 K Ultramarathon
August 05, 2017 Race day in 2 months
USA / Mountain Region / Montana / Montana City
Ultramarathon - 50 kilometers
Trail Mountain

HURL Elkhorn 50 Mile/50 K Ultramarathons

50 Mile Ultramarathon
August 05, 2017 Race day in 2 months
USA / Mountain Region / Montana / Montana City
Ultramarathon - 50 miles
Trail Mountain

Ouray 100 Mile Endurance Run

51.9 Miles
August 05, 2017 Race day in 2 months
USA / Mountain Region / Colorado / Ouray
Ultramarathon - 51.900 miles
Trail Mountain Ever Run Racing

Angeles Crest 100 mile endurance run

August 05, 2017 Race day in 2 months
USA / Pacific / California / Wrightwood
Ultramarathon - 100 miles
Trail Western States Qualifier

Colorado Bend

Colorado Bend - 60k
August 05, 2017 Race day in 2 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 2 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 2 months
USA / Mountain Region / Wyoming / Afton
Ultramarathon - 50 kilometers
Trail Mountain

Kat'cina Mosa 100K Mountain Challenge Run

August 05, 2017 Race day in 2 months
USA / Mountain Region / Utah / Springville
Ultramarathon - 100 kilometers
UTMB Qualifier Trail Mountain

Silverheels 100 Mile Endurance Run

August 05, 2017 Race day in 2 months
USA / Mountain Region / Colorado / Fairplay
Ultramarathon - 102 miles
Trail Mountain

Vertigo Night Trail Runs

Vertigo 63K Night Trail Run
August 05, 2017 Race day in 2 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 2 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 2 months
USA / Pacific / Washington / Cristal Mountain
Ultramarathon - 50 miles
Trail

Mosquito Hill Endurance Runs

50K Run
August 06, 2017 Race day in 2 months
USA / East North Central / Wisconsin / New London
Ultramarathon - 50 kilometers
Trail