2016 - 2017 Colorado Race Calendar

Browse our Marathons, Half Marathons, Ultra marathons, Multiday events organized in Colorado among 567 races.

567 races

Heart Throb 5k

  • 2016-02-13
  • USA | Colorado | Arvada
  • Shorter than 10 km race - 5 kilometers

Longmont Heart Throb 5k

  • 2016-02-13
  • USA | Colorado | Longmont
  • Shorter than 10 km race - 5 kilometers

Headless Horsetooth Fat Ass 50K

  • 2016-02-20
  • USA | Colorado | Loveland
  • Ultramarathon - 50 kilometers
  • Trail Mountain

Six Pack Series Winter Westminster 4 mile & 5k

  • 2016-02-27
  • USA | Colorado | Westminster
  • Shorter than 10 km race - 4 miles

Neighborhood Fun Run Westminster Road Runner

  • 2016-03-05
  • USA | Colorado | Westminster
  • Shorter than 10 km race - 5 kilometers
  • Charity

DreamCatcher Half Marathon

  • 2016-03-05
  • USA | Colorado | Grand Junction
  • Half Marathon
  • Charity

Erin Go Braugh 7.77k

  • 2016-03-12
  • USA | Colorado | Westminster
  • Shorter than 10 km race - 7.770 kilometers

Salida to Turret Marathon

Salida to Turret 1/2 Marathon
  • 2016-03-12
  • USA | Colorado | Salida
  • Half Marathon
  • Trail

Salida to Turret Marathon

Salida to Turret Marathon
  • 2016-03-12
  • USA | Colorado | Salida
  • Marathon
  • Trail

Six Pack Series Winter Westminster 5 mile & 5k

5k
  • 2016-03-19
  • USA | Colorado | Westminster
  • Shorter than 10 km race - 5 kilometers

Six Pack Series Winter Westminster 5 mile & 5k

5 mile
  • 2016-03-19
  • USA | Colorado | Westminster
  • Shorter than 10 km race - 5 miles

High Line Canal 100K

  • 2016-03-19
  • USA | Colorado | Littleton
  • Ultramarathon - 100 kilometers
  • Flat

Spring Fever 5K, 10K & Half Marathon

Spring Fever 10K
  • 2016-03-20
  • USA | Colorado | Golden
  • 10k race
  • All-Out Multisport Productions

Spring Fever 5K, 10K & Half Marathon

Spring Fever 5K
  • 2016-03-20
  • USA | Colorado | Golden
  • Shorter than 10 km race - 5 kilometers
  • All-Out Multisport Productions

Spring Fever 5K, 10K & Half Marathon

Spring Fever Half Marathon
  • 2016-03-20
  • USA | Colorado | Golden
  • Half Marathon
  • All-Out Multisport Productions