Nederland
Triathlon Calendar near Nederland 2026-2027
Monthly updates for Nederland
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Explore the top triathlons near Nederland for 2026-2027! We've gathered 4 exciting races in the area. Check out our detailed list below to find your next local race.
July 2026
Tri Boulder 2026 is a summer multisport event at Boulder Reservoir in Colorado offering sprint, Olympic and long course triathlon formats plus aquabike, duathlon and relay options. Entry fees vary and some relay team member entries are listed at zero..
August 2026
Join this multi sport festival at Boulder Reservoir featuring gravel triathlons and aquabike races. With distances ranging from Super Sprint to relay options there are accessible events for individual athletes and the whole family.
A multi-format triathlon at Boulder Reservoir on August 29, 2026 featuring a sunrise swim, fast bike and smooth run with the Flatirons in view. Sprint, Olympic, aquabike, duathlon and relay options are available.
September 2026
A two-day trail and bike event in Estes Park featuring 31-mile bike and run options, a 15-mile heavy half, and a 62-mile duathlon, with rugged trails, significant climbs, and aid stations supporting competitors.