2014 - 2015 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 66 races.

66 races

Angeles Crest 100 mile endurance run

  • North America | USA | Pacific | California | Wrightwood
  • Ultramarathon - 100 miles
  • August 01, 2015
  • Trail Western States Qualifier

Vertigo 63K Night Trail Run

  • North America | USA | Mountain Region | Arizona | White Tank Mountain Regional Park, Waddell
  • Ultramarathon - 63 kilometers
  • August 01, 2015 - 19:00
  • Night Trail Aravaipa Running

Viaduct Trail 100 Mile Ultramarathon

  • North America | USA | Mid-Atlantic | Pennsylvania | Lanesboro
  • Ultramarathon - 100 miles
  • August 01, 2015 - 05:00
  • Trail

Viaduct Trail 50 Mile Ultramarathon

  • North America | USA | Mid-Atlantic | Pennsylvania | Lanesboro
  • Ultramarathon - 50 miles
  • August 01, 2015 - 05:00
  • Trail

Martha Moats Baker Memorial 50Km

  • North America | USA | South Atlantic | Virginia | Stokesville
  • Ultramarathon - 50 kilometers
  • August 08, 2015 - 07:00
  • Trail

Crystal Springs 50 Km Trail Run (summer)

  • North America | USA | Pacific | California | Woodside
  • Ultramarathon - 50 kilometers
  • August 09, 2015 - 08:30
  • Hilly Costal Trail Runs Trail

Cinderella Trail Run 50 km (Aug)

  • North America | USA | Pacific | California | Joaquin Miller Park, Oakland
  • Ultramarathon - 50 kilometers
  • August 15, 2015 - 08:00
  • Costal Trail Runs Trail

Bulldog 50K Ultra

  • North America | USA | Pacific | California | Calabasas
  • Ultramarathon - 50 kilometers
  • August 22, 2015 - 06:30
  • Trail

Leadville Trail 100 Run

  • North America | USA | Mountain Region | Colorado | Leadville
  • Ultramarathon - 100 miles
  • August 22, 2015 - 04:00
  • UTMB Qualifier Trail Mountain Leadville Race Series Western States Qualifier

North Country Ultra Marathon

  • North America | USA | East North Central | Michigan | Manistee
  • Ultramarathon - 50 miles
  • August 22, 2015 - 07:30
  • Trail

Where's Waldo 100k Ultra

  • North America | USA | Pacific | Oregon | Willamette Pass
  • Ultramarathon - 100 kilometers
  • August 22, 2015 - 05:00
  • Trail Oregon Trail Ultra Marathon Series Western States Qualifier

Cascade Crest 100 Mile Endurance Run

  • North America | USA | Pacific | Washington | Easton
  • Ultramarathon - 100 miles
  • August 29, 2015 - 10:00
  • UTMB Qualifier Trail Mountain Western States Qualifier

Javelina Jangover 100K Night Trail Run

  • North America | USA | Mountain Region | Arizona | McDowell Mountain Regional Park, Fountain Hills
  • Ultramarathon - 100 kilometers
  • August 29, 2015 - 17:00
  • Night Hilly Trail Aravaipa Running

Javelina Jangover 50K Night Trail Run

  • North America | USA | Mountain Region | Arizona | McDowell Mountain Regional Park, Fountain Hills
  • Ultramarathon - 50 kilometers
  • August 29, 2015 - 18:00
  • Night Trail Aravaipa Running

Javelina Jangover 75K Night Trail Run

  • North America | USA | Mountain Region | Arizona | McDowell Mountain Regional Park, Fountain Hills
  • Ultramarathon - 75 kilometers
  • August 29, 2015 - 17:30
  • Night Trail Aravaipa Running