Deep River
Triathlon Calendar near Deep River 2026-2027
Monthly updates for Deep River
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Explore the top triathlons near Deep River for 2026-2027! We've gathered 3 exciting races in the area. Check out our detailed list below to find your next local race.
August 2026
Olympic distance triathlon at Lake Terramuggus in Marlborough, CT on August 15, 2026 featuring individual, relay, and aquabike options, age-group awards, and specific bike course and safety rules.
September 2026
A USAT sanctioned sprint triathlon at Madison Town Beach featuring a half-mile swim, 13-mile bike and 3-mile run, plus aquabike, youth, relay and parathlete divisions. Field limited to 500 and USAT membership is required.
A multi-format triathlon at Foster Memorial Town Beach in Sag Harbor on September 13, 2026, featuring an Olympic course with a 1.5K swim, 23.8 mile bike and 10K run, plus Super Sprint, Aquabike, relay and BikeRun options.