70.3 half distance triathlons in Colorado
2026 and 2027 race calendar. Updated daily.
Denver36Centennial30Colorado Springs24Arvada15Fort Collins11Westminster10Loveland7Golden6Grand Junction6Boulder5Estes Park5Littleton5Durango4Glenwood Springs4Louisville4Pueblo4Steamboat Springs4Windsor4Alamosa3Aurora3Buena Vista3Crested Butte3Englewood3Longmont3
All 77 cities and towns
Denver36Centennial30Colorado Springs24Arvada15Fort Collins11Westminster10Loveland7Golden6Grand Junction6Boulder5Estes Park5Littleton5Durango4Glenwood Springs4Louisville4Pueblo4Steamboat Springs4Windsor4Alamosa3Aurora3Buena Vista3Crested Butte3Englewood3Longmont3Salida3Thornton3Alma2Bailey2Erie2Fountain2Greeley2Highlands Ranch2Idaho Springs2Leadville2Lyons2Mancos2Palmer Lake2Parker2Westcliffe2Woodland Park2Aspen1Bayfield1Bellvue1Berthoud1Broomfield1Castle Rock1Como1Divide1Eaton1Eldorado Springs1Evergreen1Fairplay1Fraser1Fruita1Georgetown1Granby1Greenwood Village1Hesperus1Johnstown1Kremmling1Larkspur1Loma1Lone Tree1Manitou Springs1Montrose1Morrison1Pagosa Springs1Palisade1Pine1Red Feather Lakes1Severance1Silverton1South Fork1Superior1Telluride1Wellington1Winter Park1
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