Lafayette
Triathlon Calendar near Lafayette 2026-2027
Monthly updates for Lafayette
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Lafayette for 2026-2027! We've gathered 4 exciting races in the area. Check out our detailed list below to find your next local race.
September 2026
A multi-format race day at Boyd Lake State Park with triathlon, SUP, duathlon, aquabike, and aquathlon options, onsite camping and spectator-friendly looped courses.
October 2026
Mini Tri comp only on October 31, 2026 in Fort Lupton features 15 minute swim bike run slots, combined time scoring, and prizes for fastest time and costumes.
February 2027
Late February Run, bike, run duathlon at Cherry Creek State Park with two 2.5 mile runs and an 11 mile paved bike course; winter course conditions possible.
June 2027
IRONMAN 70.3 Boulder on June 12, 2027 features a reservoir swim, hilly bike and run at higher elevation near the Flatirons.
Monthly updates for Lafayette
Get new running races (and updates) in your inbox every month.