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Calendar of Half Marathon Races in Colorado

The half marathon distance is a happy medium between the fun 5K and the grueling intensity of a marathon. It is long enough to challenge you and demand respect but not so long that it consumes your life with training. It is intense enough to require a serious commitment but not so intense that a runner regularly feels that he or she is completely consumed with running.

Here you will find a listing of the half marathons registered with JogRunRace for Colorado.

Upcoming Half Marathon races in Colorado

Sat, Feb 23All-Out Mardi Crawl 1M, 5K, 10K and Half MarathonLakewood, CO
Sat, Feb 23All Out Mardi Crawl 1M, 5K, 10K and Half MarathonLakewood, CO
Sun, Mar 24All-Out Spring Fever 1M, 5K, 10K & Half MarathonGolden, CO
Sat, Apr 13All-Out Beat the Heat 1M, 5K, 10K, Half and Full MarathonWestminster, CO
Sat, Apr 13Trail Running FestivalFruita, CO
Sun, Apr 14Spring Fling Prairie Dog HalfArvada, CO
Mon, Apr 15Horsetooth Half MarathonFort Collins, CO
Sat, May 11Rabbit Valley Half MarathonFruita, CO
Sun, Jun 2Colorado 13erLouisville, CO
Sat, Jun 22All-Out Summer Breeze 1M, 5K, 10K and Half MarathonArvada, CO

Recent Half Marathon races in Colorado

Sun, Jan 20Arctic Prairie Dog Half, 10k & 5kLouisville, CO
Sat, Jan 12All-Out Polar Prowl 1M, 5K, 10K, and Half MarathonArvada, CO
Mon, Dec 31City Running Tours - Denver Personalized Running ToursDenver, CO

New/Updated Half Marathon races in Colorado

Sat, Dec 7All-Out Fa La La 1M, 5K, 10K and Half MarathonWestminster, CO
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