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Triathlon Calendar near Riverhead 2026-2027

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Explore the top triathlons near Riverhead for 2026-2027! We've gathered 3 exciting races in the area. Check out our detailed list below to find your next local race.

July 2027
Jul
11
Su

Jamesport Triathlon

Triathlon INDIVIDUAL CHARITY SLOTS 500 m 25 km AquaBike 500 m 25 km Individual Adult Triathlo... 500 m 25 5 km Individual High School Tr... 500 m 25 5 km
A July 11, 2027 triathlon at South Jamesport Beach with a 500 m swim in Peconic Bay, a 25 km bike and a 5 km run plus multiple race formats.
August 2027
Aug
8
Su

Smith Point Sprint Triathlon

Triathlon Adult AquaBike 500 m 10.2 mi BikeRun 10.2 mi 5 km Sprint 500 m 10.2 mi 5 km H.S. Individual 500 m 10.2 mi 5 km
Sprint triathlon at Smith Point County Park with a 500 m swim, 10.2 mi bike (two laps) and a 5 km run finishing on the Atlantic Ocean beachfront.
September 2027
Sep
12
Su

Mighty Hamptons Steve Tarpinian Memorial Olympic Distance Triathlon

Triathlon Super sprint 300 m 6 2 mi Olympic 1.5 km 23.8 mi Olympic 23.8 6.2 mi Olympic 1.5 km 23.8 6.2 mi
Olympic and super sprint triathlon in Sag Harbor, NY with a 1.5 km swim, 23.8 mile bike and 10 km run; USAT sanctioned and offering an Aquabike option.
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