1 swimming event in Oyster Bay, New York
From big races to Saturday morning group runs—find swimming events and connect with the local endurance sports community.
Oyster Bay
1 event in Oyster Bay-
Sat, Aug 22, 2026 at 9:00 AMSee full details
The Triathlon begins in the Town of Oyster Bay and takes you through surrounding towns. It begins with a 1/2 mile swim in calm Oyster Bay Harbor. Next, you will bike a one loop 12.3K, over hill and dale, thru beautiful Oyster Bay and Oyster Bay Cove. Fairly hilly but downhill and flat to the finish. Lastly, you will run a 5K thru Mill Neck and Brookville, "Up" to the Planting Fields Arboretum and back "Down" to Roosevelt Park. Town of Oyster Bay residents receive a $5 discount. Use code TOB5 at checkout.
Shirts and a custom finisher medal for all participants!
You are not guaranteed swag if you register after August 18th.
The Junior Triathlon takes place on Saturday. This year the race offers two different distances for our youth participants! Swim in Oyster Bay Harbor and bike and run through Roosevelt Park.