Mackinac Island Great Turtle Half Marathon & 5.7 Mile
- Date
- October 24, 2026
- Distance
- Half Marathon · 5.7 Mile Run · 5.7 Mile Walk & more
From the Organizer
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. This is the 30th anniversary of this iconic Mackinac Island event!
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 at 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!
Events
Weather
Typical Conditions
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
51°
Typical Low
36°
Based on US Climate Normals data from St Ignace, 5 mi from the venue.
Host City
About Mackinac Island, MI
Population
663
as of 2023
Elevation
792 ft
Nearest Airport
PLN
Pellston Regional Airport of Emmet County Airport · 21 mi
Time Zone
Eastern Time
From Endurance Grid
A small town race. Lodging near the start could be limited, so book early.
Race Location
Your Next Start Line
What Are You
Waiting For?
Every finish line starts with a single decision. Claim your spot at Mackinac Island Great Turtle Half Marathon & 5.7 Mile, put it on the calendar, and turn “someday” into a start date.
138
Days to train
- Race
- Mackinac Island Great Turtle Half Marathon & 5.7 Mile
- Date
- October 24, 2026
Coming Up
More Running races near Mackinac Island, MI
Paul Revere 5K &10 Mile Run/Walk
10 Mile · 5K
29 miles away
Indian River Kayak Bike Biathlon
30 miles away
Race the Straits of Mackinac
8 miles away
Run 906
10 miles away
From Endurance Grid
About This Sport
Endurance Grid is here to help you understand the sport, decide if it's the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer's event page.
The half marathon is the distance where you find out what you're actually made of. Long enough to demand real preparation. Short enough that it doesn't consume your life to train for it. Most people who run their first half describe it as the race that changed their relationship with what they're capable of. Once you cross this finish line, the bar moves. That's not a warning — that's the point.
Race day energy varies by event size, but the finish line feeling is the same regardless. Big races keep the noise going the whole way. Smaller races give you stretches where it's just you and the miles — and that solitude becomes its own kind of fuel.
The half marathon rewards people who show up for the boring training miles.
How long to train: 10–14 weeks. If you're already running consistently, 10 weeks of structured buildup is enough. If you're building from a casual base, give yourself 14.
Running
From 5K to marathon, running races are the most accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Frequently Asked Questions (FAQs)
- What is the Mackinac Island Great Turtle Half Marathon & 5.7 Mile?
- Mackinac Island Great Turtle Half Marathon & 5.7 Mile is a running race held in Mackinac Island, Michigan on October 24, 2026. It is one of the many endurance events listed on Endurance Grid, a multi-sport endurance event calendar covering running races, triathlons, HYROX, and more endurance sports across the United States. Find more running races near you or explore our sports guides to learn what race day actually feels like.
- When and where is the Mackinac Island Great Turtle Half Marathon & 5.7 Mile?
- Saturday, October 24, 2026 in Mackinac Island, Michigan at One Lakeshore Drive, Mackinac Island, MI. Check the event page for exact start times and wave schedules.
- How do I register for the Mackinac Island Great Turtle Half Marathon & 5.7 Mile?
- Registration is handled through the event's registration page. Confirm pricing and distances there, and sign up.
Mackinac Island Great Turtle Half Marathon & 5.7 Mile
Oct 24, 2026