Fort Collins
Triathlon Calendar near Fort Collins 2026-2027
Monthly updates for Fort Collins
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Fort Collins for 2026-2027! We've gathered 4 exciting races in the area. Check out our detailed list below to find your next local race.
February 2027
A winter bike rally and trail run in Lyons, Colorado offering multiple run and ride distances plus an afterparty with food, music and saunas.
June 2027
A mixed gravel-bike and trail-running festival in Lyons, Colorado on June 6, 2027, featuring races from 100K to 5 miles plus relays, BMX, camping and a concert.
September 2027
A lakefront multisport event at Boyd Lake State Park on September 26, 2027 offering triathlon, duathlon, aquabike and SUP races with on-site camping and spectator friendly courses.
A high-altitude swimrun in Fort Collins mixing open-water swims at Horsetooth Reservoir with trail runs in Lory State Park, offered in three race distances.
Monthly updates for Fort Collins
Get new running races (and updates) in your inbox every month.