Fort Collins
Triathlon Calendar near Fort Collins 2026-2027
Monthly updates for Fort Collins
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Explore the top triathlons near Fort Collins for 2026-2027! We've gathered 3 exciting races in the area. Check out our detailed list below to find your next local race.
June 2026
Experience the Loveland Lake to Lake Triathlon in Colorado featuring Olympic and Sprint distances. This USAT sanctioned event offers triathlon, aqua bike, relay, and SUP options for athletes of all levels.
September 2026
Experience a rugged trail adventure through the Colorado wilderness in Estes Park. Choose between a 50k run or bike and a heavy half marathon while supporting the local high school mountain bike team.
October 2026
Experience the only high altitude swimrun in the U.S. series at Horsetooth Reservoir and Lory State Park. Choose from three distances featuring rugged trails and open water swims at over 5000 feet of elevation.