Southampton
Triathlon Calendar near Southampton 2026-2027
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Explore the top triathlons near Southampton for 2026-2027! We've gathered 5 exciting races in the area. Check out our detailed list below to find your next local race.
July 2026
A USAT-sanctioned sprint triathlon at Montauk Lighthouse on July 19, 2026, featuring a point-to-point Gin Beach swim, 14 miles of rolling bike course, and a 3.1 miles run to the lighthouse finish with two transition areas and awards.
August 2026
Experience a USAT sanctioned sprint triathlon featuring a 500 meter swim in Narrow Bay and a scenic 5K run ending at the Atlantic Ocean. This multisport event offers individual, relay, and AquaBike categories at Smith Point County Park.
September 2026
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.
October 2026
MightyMan Montauk is an annual triathlon festival at Fort Pond offering Olympic and Sprint triathlons plus an Aquabike option, with an out-and-back freshwater swim, bike loops through Montauk, and lake-adjacent run courses.
A mountain bike duathlon in Montauk on October 11, 2026 featuring a 1.6 mile run, an 11.5 mile bike and a second 1.6 mile run. Options include bike only and two person team entries, with hoodies and post race amenities.