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Mackinac Island Great Turtle Half Marathon & 5.7 Mile
Saturday, October 24, 2026 · Mackinac Island, MI
The race in 60 seconds
It is one of 192 races on the Michigan calendar that October. At $55, entry sits above the $20 median for a Michigan half marathon.
What race day usually feels like
Based on the last three years, race week in October typically sees lows near 43°F and highs around 50°F: classic PR weather if the wind behaves. Weather normals computed from Mackinac Island-area conditions for race week, not the nearest big city.
How the field ran it in 2025
Real chip times from the 2025 official results, not estimates. Use the median as your reality check: half the field finished slower than it.
| 2025 Half Marathon · 705 finishers | Time | Pace |
|---|---|---|
| Winner | 1:15:51 | 5:47 /mi |
| Top 25% | 1:58:00 | 9:00 /mi |
| Median finisher | 2:17:08 | 10:28 /mi |
| 75th percentile | 2:38:10 | 12:04 /mi |
| Final finisher | 4:47:00 | 21:55 /mi |
| 2025 Half Marathon Virtual Race · 19 finishers | Time | Pace |
|---|---|---|
| Winner | 1:26:17 | 6:35 /mi |
| Top 25% | 2:09:19 | 9:52 /mi |
| Median finisher | 2:28:39 | 11:21 /mi |
| 75th percentile | 2:45:56 | 12:40 /mi |
| Final finisher | 3:28:59 | 15:57 /mi |
| 2025 5.7 Mile Run · 824 finishers | Time | Pace |
|---|---|---|
| Winner | 29:45 | 5:13 /mi |
| Top 25% | 57:06 | 10:01 /mi |
| Median finisher | 1:07:41 | 11:52 /mi |
| 75th percentile | 1:21:50 | 14:21 /mi |
| Final finisher | 2:34:30 | 27:06 /mi |
Official 2025 results via RunSignUp, 1548 finishers across 3 events.
Common questions
When is Mackinac Island Great Turtle Half Marathon & 5.7 Mile?
Mackinac Island Great Turtle Half Marathon & 5.7 Mile is scheduled for Saturday, October 24, 2026.
Where is Mackinac Island Great Turtle Half Marathon & 5.7 Mile held?
Mackinac Island Great Turtle Half Marathon & 5.7 Mile is held in Mackinac Island, Michigan.
What distances does Mackinac Island Great Turtle Half Marathon & 5.7 Mile offer?
The listed distances are Half Marathon, 5.7 Miles.
How much does Mackinac Island Great Turtle Half Marathon & 5.7 Mile cost?
Entry is listed from $55. Check the official race page for the current price, which usually rises closer to race day.
How do I register for Mackinac Island Great Turtle Half Marathon & 5.7 Mile?
Registration is handled on the official race page, linked at the top of this listing. Entry can close early if the race sells out.
More races nearby
- Sep 12, 2026Mackinac Island Eight Mile Run & WalkMackinac Island · 8 Miles
- Sep 6, 2026Run 906Saint Ignace · 9.06K
- Sep 7, 2026Labor Day Mackinac Bridge RunSt. Ignace · 4.3 Miles
- Sep 26, 2026“Moie Brown Memorial" Run for the Health of It - presented by First National Bank of St. IgnaceSaint Ignace · 10K, 5K
See every race on the Michigan calendar, Michigan Half Marathons, Michigan 10Ks, or use the Race Finder for maps and filters.
Register for Mackinac Island Great Turtle Half Marathon & 5.7 Mile →on RunSignUp · entry from $55
Listing data refreshed nightly from the registration platform. Photos via Wikimedia Commons (CC BY-SA 3.0). Last template review July 2026. Spot an error? Tell us and we'll fix it fast.