Thousand Islands Half Marathon, 10K & 5K

🏃‍♂️Event Overview

• Date: 2026-05-15
• Location: 21496 Club House Dr., Wellesley Island, NY
• Distance Options: Half Marathon, 10K, and 5K
• More Info: Learn More

🌉Race Details

• Thousand Islands Views: Take in the famous views of the Thousand Islands and Thousand Islands bridge.
• 5K Event: The 5K will take place on Friday evening at the Thousand Islands Winery in Alexandria Bay.
• Saturday Events: On Saturday, we will offer the 10K and Half Marathon along with post-race festivities and an awards ceremony.
• Ambitious Options: Consider the Island Double (5K & 10K) or the Island Super Double (5K & 13.1M).

🏅Course and Facilities

• Start/Finish Location: Returning to the Lake Course Executive Club House for the start/finish for Saturday's Half Marathon & 10K.
• Previous Years: Similar to events held in 2020-2023 & 2025.
• Great Views: Enjoy stunning views and great courses throughout the event.
• Community Support: Help the great people of Alexandria Bay as well as the ACS Booster Club!