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Thousand Islands Half Marathon, 10K, and 5K

Friday, May 15, 2026
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Sat, May 16
Wellesley Island, New York

Race Distances

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Friday 5/15/2026 – 5K, start of Island Double, and Island Super Double Saturday 5/16/2026 – Half Marathon and 10K

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    • Event Details

    Join us at the Thousand Islands Half Marathon, 10K, and 5K in Wellesley Island, New York for a great event. Races: , , .

    For additional event information (such as race start times, race course descriptions, race maps, race awards, race reviews, race registration, and other runner essentials), please visit the Thousand Islands Half Marathon, 10K, and 5K event website.

    Location

    Wellesley Island, NY

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    Notice: Despite our best efforts, please note that race details can change at any time, and we may make a mistake. ALWAYS visit the event's website for the most complete and current race information.