US Ultramarathons

Browse our Ultramarathon Calendar for races organized in the USA.

1,378 races

Black Canyon Ultras

100K
  • 2016-02-13
  • USA | Arizona | Spring Valley
  • Ultramarathon - 100 kilometers
  • Trail Aravaipa Running

Black Canyon Ultras

50K
  • 2016-02-13
  • USA | Arizona | Spring Valley
  • Ultramarathon - 50 kilometers
  • Trail Aravaipa Running

Cross Timbers Trail Runs

Cross Timbers Trail Runs 50M
  • 2016-02-13
  • USA | Texas | Sherman
  • Ultramarathon - 50 miles
  • Hilly Trail Night

Hagg Lake Trail Run

Hagg Lake 50k Trail run
  • 2016-02-13
  • USA | Oregon | Henry Hagg Lake
  • Ultramarathon - 50 kilometers
  • Trail Oregon Trail Ultra Marathon Series

Holiday Lake 50K

  • 2016-02-13
  • USA | Virginia | Holiday Lake
  • Ultramarathon - 50 kilometers
  • Trail Eco-x Sports

Jackpot Ultra Running Festival

Jackpot Ultra Running Festival 100 Miler
  • 2016-02-13
  • USA | Nevada | Las Vegas
  • Ultramarathon - 100 miles

Sustina 100

Little Su 50K
  • 2016-02-13
  • USA | Alaska | Susitna River valley
  • Ultramarathon - 50 kilometers
  • Trail Snow

Moab's Red Hot

Moab's Red Hot 55K
  • 2016-02-13
  • USA | Utah | Moab
  • Ultramarathon - 55 kilometers
  • Trail Grass Roots Events

Pemberton Trail 50K

  • 2016-02-13
  • USA | Arizona | Fountain Hills
  • Ultramarathon - 50 kilometers
  • Fast Trail Relay

Sustina 100

Susitna 100
  • 2016-02-13
  • USA | Alaska | Susitna River valley
  • Ultramarathon - 100 miles
  • UTMB Qualifier Trail Snow Iditarod Trail Invitational Qualifier

The Wild Oak Trail 100

  • 2016-02-13
  • USA | Virginia | Stokesville
  • Ultramarathon - 100 miles
  • Invitation only Trail

Woolley Trail Runs

Woolley Trail 50K
  • 2016-02-13
  • USA | Washington | Sedro-Woolley
  • Ultramarathon - 50 kilometers
  • Trail

26.2 With Donna

110 With Donna Ultra Marathon
  • 2016-02-14
  • USA | Florida | Jacksonville Beach
  • Ultramarathon - 110 miles

Destin 50 Beach Ultra

Destin 50K Beach Ultra
  • 2016-02-14
  • USA | Florida | Destin
  • Ultramarathon - 50 kilometers
  • Trail Sand

Destin 50 Beach Ultra

Destin 50M Beach Ultra
  • 2016-02-14
  • USA | Florida | Destin
  • Ultramarathon - 50 miles
  • Trail Sand