2016 - 2017 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 76 races.

76 races

Burning River 100 Mile Endurance Run

100 Mile
  • 2016-08-06
  • USA | Ohio | Willoughby Hills
  • Ultramarathon - 100 miles
  • Trail Midwest Grand Slam of Ultrarunning Relay Western States Qualifier

Burning River 100 Mile Endurance Run

50 Mile
  • 2016-08-06
  • USA | Ohio | Willoughby Hills
  • Ultramarathon - 50 miles
  • Trail Midwest Grand Slam of Ultrarunning

Burning River 100 Mile Endurance Run

50 Mile Back Half
  • 2016-08-06
  • USA | Ohio | Willoughby Hills
  • Ultramarathon - 50 miles
  • Trail Midwest Grand Slam of Ultrarunning

Angeles Crest 100 mile endurance run

  • 2016-08-06
  • USA | California | Wrightwood
  • Ultramarathon - 100 miles
  • Trail Western States Qualifier

El Vaquero Loco

El Vaquero Loco 50K
  • 2016-08-06
  • USA | Wyoming | Afton
  • Ultramarathon - 50 kilometers
  • Trail Mountain

HURL Elkhorn 50 Mile/50 K Ultramarathons

HURL Elkhorn 50 K Ultramarathon
  • 2016-08-06
  • USA | Montana | Montana City
  • Ultramarathon - 50 kilometers
  • Trail Mountain

HURL Elkhorn 50 Mile/50 K Ultramarathons

HURL Elkhorn 50 Mile Ultramarathon
  • 2016-08-06
  • USA | Montana | Montana City
  • Ultramarathon - 50 miles
  • Trail Mountain

Kat'cina Mosa 100K Mountain Challenge Run

  • 2016-08-06
  • USA | Utah | Springville
  • Ultramarathon - 100 kilometers
  • UTMB Qualifier Trail Mountain

Moosalamoo Ultra

Moosalamoo Ultra - 36 M
  • 2016-08-06
  • USA | Vermont | Goshen
  • Ultramarathon - 36 miles
  • Trail

Silverheels 100 Mile Endurance Run

  • 2016-08-06
  • USA | Colorado | Fairplay
  • Ultramarathon - 102 miles
  • Trail Mountain

The Mighty Mosquito 99 Mile Trail Relay

  • 2016-08-06
  • USA | New York | Mendon
  • Ultramarathon - 99 miles
  • Trail Relay

Ultra Adventure Tushars

Ultra Adventure Tushars 100 Mile
  • 2016-08-06
  • USA | Utah | Eagle Point Ski Resort
  • Ultramarathon - 100 miles
  • Trail

Vertigo Night Trail Runs

Vertigo 63K Night Trail Run
  • 2016-08-06
  • USA | Arizona | White Tank Mountain Regional Park, Waddell
  • Ultramarathon - 63 kilometers
  • Trail Aravaipa Running Night

Wild Idaho Endurance Runs

Wild Idaho 50K Enrudance Run
  • 2016-08-06
  • USA | Idaho | Crouch
  • Ultramarathon - 50 kilometers
  • Trail Mountain

Wild Idaho Endurance Runs

Wild Idaho 50M Enrudance Run
  • 2016-08-06
  • USA | Idaho | Crouch
  • Ultramarathon - 50 miles
  • Trail Mountain