Browse our listing of half marathons in Colorado to find one that suits your goals. Plus, get training tips. For a full list of events, check out our calendar.
Colorado Half Marathons
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Featured REVEL Rockies | Denver, Colorado | |
| Colorado 13er | Louisville, Colorado | ||
| Slacker Half Marathon-Relay-4-Mile Races | Georgetown, Colorado | ||
| Longmont Half Marathon & 5k | Longmont, Colorado | ||
| Summer Splash Prairie Dog Half Marathon, 10k, & 5k | Castle Rock, Colorado | ||
| Staunton Rocks! Marathon & Half | Denver, Colorado | ||
| Ned Ned Run | Nederland, Colorado | ||
| Mountain Rats Festival | Eagle, Colorado | ||
| Fall Equinox Marathon, Half Marathon & 5 Mile | Fort Collins, Colorado | ||
| Red Feather Trail Jamboree | Red Feather Lakes, Colorado | ||
| Colorado Springs Marathon, Half, 5K, and Kids K | Colorado Springs, Colorado | ||
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Featured Boulderthon: Boulder Marathon (Full, Half, 10k, 5k, Kids Run) | Boulder, Colorado | |
| Long View Marathon & Half | Fort Collins, Colorado | ||