Experience the ultimate cross-border challenge with the Detroit Free Press Marathon, a unique international race designed for athletes seeking adventure. This course not only offers the rare opportunity to run across the U.S.-Canada border twice but also takes you through Detroit’s vibrant downtown, historic districts, and along the picturesque waterfront. Highlights include the breathtaking sunrise crossing over the Ambassador Bridge into Windsor, Ontario, and the thrilling return through the world’s only underwater mile in a marathon via the Detroit-Windsor Tunnel. With options including a full marathon, half marathon, and 5K, it’s a must-run race that celebrates Detroit’s spirit and dynamism.Detroit is a hub of innovation and culture, known for its rich Motown history, renowned museums, and burgeoning culinary scene. Post-race, immerse yourself in the city’s offerings by visiting the Detroit Institute of Arts, enjoying live music, or indulging in iconic Coney dogs and local craft brews. Convenient access through Detroit Metropolitan Airport makes for an ideal race weekend getaway in this exciting city.Cross-Border Adventure – The sole U.S. marathon crossing into Canada, featuring stunning vistas from the Ambassador Bridge and the unique underwater mile in the Detroit-Windsor Tunnel.Scenic Urban Journey – Enjoy a course that winds through riverfront views and historic neighborhoods, reflecting both Detroit’s storied past and lively present.Vibrant Atmosphere & Enthusiastic Support – Enthusiastic crowds, energizing music, and immense local pride create a memorable experience for athletes at every level.The race is run on both sides of the Detroit River, visiting Windsor,ON, Belle Isle and historic neighborhoods of Detroit. So the race is run in the US as well as in Canada.The race follows the second half of the marathon. It only runs in the US.The course runs in downtown Detroit and Windsor, ON, on both sides of the Detroit River.