Shirley
Triathlon Calendar near Shirley 2026-2027
Monthly updates for Shirley
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Shirley for 2026-2027! We've gathered 4 exciting races in the area. Check out our detailed list below to find your next local race.
May 2026
This long running duathlon on Mother's Day features a flat bike course and varied terrain runs. Options include individual, relay, time trial, and youth events, with professional photos offered for free.
The Mighty North Fork Triathlon offers a scenic course in Long Island's wine country. Athletes can choose from a classic triathlon, relay, aquabike, or bike-run event. The route features a calm bay swim, a flat bike leg, and a picturesque run.
July 2026
The Jamesport Triathlon is on July 12, 2026 at South Jamesport Beach in Riverhead NY. Race formats include a 500 m swim, 25 km bike and 5k run plus AquaBike, relay options and a virtual triathlon.
August 2026
Experience a fast multisport event at Smith Point County Park featuring a bay swim and a flat bike and run course. Participants finish their journey near the Atlantic Ocean and receive a commemorative medal.