2015 - 2016 North America Trail Ultramarathon Calendar

Browse our Ultramarathon Calendar for races organized in North America bearing the tag Trail among 1066 races.

1,066 races

Fools 50K & 25K Trail Run

Fools 50K Trail Run
  • March 29, 2015 - 07:30
  • North America | USA | East North Central | Ohio | Cuyahoga Valley National Park, Peninsula
  • Ultramarathon - 50 kilometers
  • Trail Western Reserve Racing

Gorge Waterfalls 50k

  • March 29, 2015 - 08:00
  • North America | USA | Pacific | Oregon | Cascade Locks
  • Ultramarathon - 50 kilometers
  • Hilly Trail Oregon Trail Ultra Marathon Series

White Mountains 100

  • March 29, 2015 - 08:00
  • North America | USA | Alaska | White Mountains National Recreation Area, Fairbanks
  • Ultramarathon - 100 miles
  • Snow Trail

American River 50-mile Endurance Run

  • April 04, 2015 - 06:00
  • North America | USA | Pacific | California | Sacramento
  • Ultramarathon - 50 miles
  • Trail

Croom Trail

Croom Trail 50K Fools Run
  • April 04, 2015 - 07:00
  • North America | USA | South Atlantic | Florida | Brooksville
  • Ultramarathon - 50 kilometers
  • Trail

Croom Trail

Croom Trail 50M Fools Run
  • April 04, 2015 - 06:00
  • North America | USA | South Atlantic | Florida | Brooksville
  • Ultramarathon - 50 miles
  • Trail

Grizzly Peak Trail Run

Grizzly Peak 50 Km Trail Run
  • April 04, 2015 - 08:00
  • North America | USA | Pacific | California | Berkeley
  • Ultramarathon - 50 kilometers
  • Hilly Trail Coastal Trail Runs

Hells Hills

Hells Hills 50 km Endurance Trail Run
  • April 04, 2015 - 06:00
  • North America | USA | West South Central | Texas | Smithville
  • Ultramarathon - 50 kilometers
  • Trail Tejas Trails

Hells Hills

Hells Hills 50 Mile Endurance Trail Run
  • April 04, 2015 - 05:00
  • North America | USA | West South Central | Texas | Smithville
  • Ultramarathon - 50 miles
  • Trail Tejas Trails

Rockin K Trail Runs

Rocking K Trail 50 Mile Run
  • April 04, 2015
  • North America | USA | West North Central | Kansas | Kanopolis State Park, Marquette
  • Ultramarathon - 50 miles
  • Trail Kansas Ultrarunner's Society (KUS)

Shotgun Trail Blast

Shotgun Trail Blast 50K
  • April 04, 2015 - 09:00
  • North America | USA | Pacific | Oregon | Marcola
  • Ultramarathon - 50 kilometers
  • Trail Eclectic Edge Racing

Solemates Prescott Circle Trail 50/100/150/200

Solemates Prescott Circle Trail 150 Miler
  • April 09, 2015 - 10:00
  • North America | USA | Arizona | Prescott
  • Ultramarathon - 156.6 miles
  • Trail

Solemates Prescott Circle Trail 50/100/150/200

Solemates Prescott Circle Trail 200 Miler
  • April 09, 2015 - 06:00
  • North America | USA | Arizona | Prescott
  • Ultramarathon - 208.8 miles
  • Trail

Potawatomi Trail Runs

Potawatomi 150 Mile Trail Run
  • April 10, 2015 - 12:00
  • North America | USA | East North Central | Illinois | Pekin
  • Ultramarathon - 150 miles
  • Hilly Trail

Solemates Prescott Circle Trail 50/100/150/200

Solemates Prescott Circle Trail 100 Miler
  • April 10, 2015 - 10:00
  • North America | USA | Arizona | Prescott
  • Ultramarathon - 104.4 miles
  • Trail