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140.6 full distance triathlons in Colorado

2026 and 2027 race calendar. Updated daily.

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Denver35Centennial30Colorado Springs25Arvada14Westminster11Fort Collins10Loveland7Grand Junction6Boulder5Estes Park5Golden5Littleton5Durango4Glenwood Springs4Louisville4Pueblo4Steamboat Springs4Windsor4Alamosa3Buena Vista3Crested Butte3Englewood3Longmont3Salida3
All 77 cities and towns
Denver35Centennial30Colorado Springs25Arvada14Westminster11Fort Collins10Loveland7Grand Junction6Boulder5Estes Park5Golden5Littleton5Durango4Glenwood Springs4Louisville4Pueblo4Steamboat Springs4Windsor4Alamosa3Buena Vista3Crested Butte3Englewood3Longmont3Salida3Thornton3Alma2Aurora2Bailey2Erie2Fountain2Greeley2Highlands Ranch2Idaho Springs2Leadville2Lyons2Mancos2Palmer Lake2Parker2Westcliffe2Woodland Park2Aspen1Bayfield1Bellvue1Berthoud1Broomfield1Castle Rock1Como1Divide1Eaton1Eldorado Springs1Evergreen1Fairplay1Fraser1Fruita1Georgetown1Granby1Greenwood Village1Hesperus1Johnstown1Kremmling1Larkspur1Loma1Lone Tree1Manitou Springs1Montrose1Morrison1Pagosa Springs1Palisade1Pine1Red Feather Lakes1Severance1Silverton1South Fork1Superior1Telluride1Wellington1Winter Park1
0 upcoming
Sport
AllRunning222Trail27Cycling7Triathlon7Obstacle1Other6
Distance
Any5K18910K98Half marathon95Marathon750K6Ultra12Sprint1140.6Gravel1

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