Shelter Island Heigh..
Triathlon Calendar near Shelter Island Heights 2026-2027
Monthly updates for Shelter Island Heights
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Shelter Island Heights for 2026-2027! We've gathered 6 exciting races in the area. Check out our detailed list below to find your next local race.
September 2026
A USA Triathlon sanctioned sprint triathlon at Madison Town Beach with swim, bike and run options, plus aquabike and a youth try division with adult companion.
Experience one of the longest running Olympic distance triathlons in the USA with scenic courses through the woodland and farm roads of beautiful Sag Harbor.
October 2026
MightyMan Montauk on October 4, 2026 in Montauk, NY offers Olympic, Sprint and Aquabike triathlon options around Fort Pond with a Navy Beach swim backup.
A fall mountain bike duathlon in Montauk on October 11, 2026, offering individual, bike-only and two-person relay formats with post-race amenities and awards.
A team relay at Montauk Brewing Company on October 17, 2026 featuring running, rowing, and biking legs with proceeds supporting OMAC.
Monthly updates for Shelter Island Heights
Get new running races (and updates) in your inbox every month.
July 2027
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.