Join us for the 2026 Great Turtle Half Marathon and 5.7 Mile - one of the most scenic trail events in the country! Enjoy the beauty of Mackinac Island's Fall season running and walking the interior trails and shoreline during the last open weekend of the season.
All who register will enjoy a great garment in the Great Turtle tradition, a unique commemorative Turtle medal, goodies after the race and fun festivities! After the race, enjoy Halloween fun in Mission Point and Downtown Mackinac Island for adults and children, great end-of-season sales in the downtown shops, or just spend time enjoying the peace and serenity of the Island's interior.
Discounted Ferry tickets are available at Shepler's Ferry - use code GREATTURTLEHALF at checkout for the discounted price.
Oct 24, 2026
Distance — 5.7 Miles
Type — Running
10:30
$55.00
Oct 24, 2026
Distance — 5.7 Miles
Type — Running
10:30
$55.00
Oct 24, 2026
Distance — 13.2 Miles
Type — Running
10:30
$55.00
Oct 24, 2026
Distance — 5.7 Miles
Type — Running
10:35
$55.00
Oct 24, 2026
Distance — 13.1 Miles
Type — Running
10:45
$55.00
These values represent the 3-year monthly averages for October in Mackinac Island.
Learn more about the host city, Mackinac Island.
Mackinac Island is a resort island in Michigan's Upper Peninsula.
Read more launchRead what other athletes have to say about their experience at the Mackinac Island Great Turtle Half Marathon & 5.7 Mile.
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