Mackinac Bridge Swim
About this race
Swim across the Straits of Mackinac alongside the beautiful Mackinac Bridge. This is a swim to benefit First Responders of Michigan. About 4.5 miles across as the swim starts in Mackinaw City and ends at Bridgeview Park in St.Ignace. Expect water temperature to be anywhere from 57 degrees to 70. You will be REQUIRED to show proof of a 40/minute mile or less to qualify to swim by May 1,2026. Wetsuits and swim buoy required. This is not an officially timed event. You want your time, wear a Garmin watch and time yourself.
Pick your distance
Swimming
Mackinac Bridge Swim
Typical race-day weather
Based on 5 years of Open-Meteo archive data for this event's race dates in Saint Ignace, plus the 3 days either side.
The sun rises at 6:12 AM and sets at 9:18 PM local time (EDT) in Saint Ignace on July 24, 2027 — 15h 05m of daylight.
Course
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
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Other races near Saint Ignace
Different organizers, within 40 miles, in the next three months
Wordless Book Fun Run 5k/1 Mile Run/1 Mile Walk
Mackinac Island Great Turtle Half Marathon & 5.7 Mile
Wolverine State 100
Morally Grey 5K Run/Walk
Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 5 Saint Ignace events
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