John R. King students test out their new running shoes
Students at John R. King Academy try on new shoes they received for the upcoming Kids Marathon event.
Runners will once again take to the streets — and across the border — for the 48th annual Detroit Free Press Marathon presented by MSU Federal Credit Union, an international race that winds through Detroit and Windsor.
The marathon returns the weekend Oct. 17-19, 2025, with thousands of runners expected to cross the Ambassador Bridge into Canada and return through the Detroit-Windsor Tunnel. The weekend includes a full marathon, half marathons, a relay, 5K and kids races on Saturday and Sunday, along with the Health & Fitness Expo on Friday and Saturday at Huntington Place.
So what will the race courses look like? What road closures should you know? Here’s a look at this year’s course maps for the marathon, half marathons, relay and 5K races.
Detroit Free Press Marathon course map
Detroit international half-marathon course map
Motor City half-marathon course map
Detroit marathon team relay course map
Detroit marathon 5K map
For the rest of the Detroit Free Press Marathon course maps, including the Kids Marathon, 1-mile run and a detailed look at the finish line area, head to the Detroit Free Press Marathon website.
Detroit marathon 2025 road closures and restrictions
Roads along the course will begin closing as early as 4 a.m. on Sunday, Oct. 19, when the full marathon and international crossings take place. Drivers are encouraged to park outside the course perimeter and plan extra travel time.
Sunday road closures include:
- Monroe Street: Closed from Randolph Street to the I-375 Service Drive.
- Northbound streets off Jefferson Avenue: Limited access north of St. Aubin Street.
- Grand River (southbound): Closed at Cass Avenue.
- Woodward Avenue (southbound): Closed south of Adelaide Street.
- Lafayette Street (westbound): Closed at Iroquois Avenue.
- Fort Street (eastbound) in Corktown: Closed at Grand Boulevard.
- Lodge Freeway (southbound): Closed after Howard Street.
- M-10 South: Closed at Howard Street.
The Ambassador Bridge will have restricted traffic, and the Detroit-Windsor Tunnel will be closed 6:15 a.m. to 10:15 a.m. Sunday, Oct. 19.
Detroit Free Press Marathon parking
Marathon organizers recommend booking your parking in advance via SpotHero. Reserve your parking spot using the Detroit Free Press Marathon SpotHero Parking Page.
Nour Rahal is a trending and breaking news reporter. Email her: [email protected]. Follow her on Twitter @nrahal1.
