2014 - 2015 Colorado Race Calendar

Browse our Marathons, Half Marathons, Ultra marathons, Multiday events organized in Colorado among 318 races.

318 races

Commitment Day 5K - Denver

  • North America | USA | Mountain Region | Colorado | Denver
  • Shorter than 10 km race - 5 kilometers
  • January 01, 2015 - 11:00
  • Charity "Road Running" "Commitment Day 5K"

Polar Prowl 10K

  • North America | USA | Mountain Region | Colorado | Louisville
  • 10k race
  • January 10, 2015 - 09:30
  • "All-Out Multisport Productions"

Polar Prowl 5K

  • North America | USA | Mountain Region | Colorado | Louisville
  • Shorter than 10 km race - 5 kilometers
  • January 10, 2015 - 09:35
  • "All-Out Multisport Productions"

Polar Prowl Half Marathon

  • North America | USA | Mountain Region | Colorado | Louisville
  • Half Marathon
  • January 10, 2015 - 09:00
  • "All-Out Multisport Productions"

Prairie Dog 10K - Louisville

  • North America | USA | Mountain Region | Colorado | Louisville
  • 10k race
  • January 18, 2015 - 08:30
  • Charity "Road Running"

Prairie Dog Half Marathon - Louisville

  • North America | USA | Mountain Region | Colorado | Louisville
  • Half Marathon
  • January 18, 2015 - 08:00
  • Charity "Road Running"

Frozen Dead Guy 50km

  • North America | USA | Colorado | Nederland
  • Ultramarathon - 50 kilometers
  • January 31, 2015 - 07:30
  • Snow Trail Mountain

Game Day 5K

  • North America | USA | Mountain Region | Colorado | Colorado Springs
  • Shorter than 10 km race - 5 kilometers
  • February 01, 2015 - 10:15
  • "Road Running"

Super Half Marathon

  • North America | USA | Mountain Region | Colorado | Colorado Springs
  • Half Marathon
  • February 01, 2015 - 10:00
  • "Road Running"

Ralston Creek 5K

  • North America | USA | Mountain Region | Colorado | Arvada
  • Shorter than 10 km race - 5 kilometers
  • February 08, 2015
  • "Road Running"

Ralston Creek Half-Marathon

  • North America | USA | Mountain Region | Colorado | Arvada
  • Half Marathon
  • February 08, 2015
  • "Road Running"

Headless Horsetooth Fat Ass 50K

  • North America | USA | Colorado | Loveland
  • Ultramarathon - 50 kilometers
  • February 21, 2015 - 08:00
  • Trail Mountain

DreamCatcher Half Marathon

  • North America | USA | Colorado | Grand Junction
  • Half Marathon
  • March 07, 2015 - 08:00
  • Charity

Salida to Turret 1/2 Marathon

  • North America | USA | Mountain Region | Colorado | Salida
  • Half Marathon
  • March 14, 2015 - 09:00
  • Trail

Salida to Turret Marathon

  • North America | USA | Mountain Region | Colorado | Salida
  • Marathon
  • March 14, 2015 - 09:00
  • Trail