Colorado
Colorado Triathlon Calendar 2025-2026
Explore the best triathlons in Colorado for 2025-2026! Our updated list features 8 exciting races across the region. Find your next race in Colorado below and join the running community at these great events!
June 2025
The San Juan Trail Triathlon, scheduled for June 14, 2025, takes place in the scenic Ridgway State Park, Colorado. This exciting event features a combination of a 6k trail run, a 3k stand-up paddle (S..
XTERRA Lory is an off-road triathlon event held in Fort Collins, Colorado, as part of the XTERRA World Tour. The race features a challenging course with a 0.5-mile swim, a 12.2-mile mountain bike ride..
July 2025
The Never Summer Adventure Race, held annually in Eagle County, Colorado, is a challenging outdoor event set in the scenic Rocky Mountains. The 10th edition, scheduled for July 12-13, 2025, features t..
August 2025
The Longmont Try-A-Tri, held in Longmont, Colorado, is a super-sprint triathlon designed for beginners, those recovering from injuries, or anyone easing into the sport. The event features a 200-yard i..
The Gunnison Valley Triathlon is a family-friendly event taking place in Gunnison, Colorado. Scheduled for August 23, 2025, it features a variety of races including a Sprint Triathlon, Team Relay, Kid..
The Give It a Tri Sprint Triathlon takes place in Pagosa Springs, Colorado, offering a full sprint triathlon and a kid-friendly super sprint option. The full sprint includes an 800-yard swim, a 20-kil..
September 2025
SheSprints is Colorado’s premier women-only triathlon and duathlon event held at Cherry Creek State Park in Aurora, CO. Celebrating strength, health, and sisterhood, it offers multiple race options in..
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