Detroit Free Press Marathon
Location
Detroit
United States
Distance
Marathon
Date
October 18, 2026
Elevation Gain
130m
hillier than 50 of 83 similar races
Course TypeLoop
Typical WeatherMid-October, 8-15°C (46-59°F), cool with possible wind off the river
WebsiteVisit Website →
The only marathon to cross an international border, with runners crossing the Ambassador Bridge to Canada and returning through the Detroit-Windsor Tunnel — the world's only underwater international mile.
What Makes This Race Special
- Only international border-crossing marathon
- Ambassador Bridge sunrise crossing
- Underwater international mile through tunnel
- Passport required
- Detroit River views