The 57-year-old marathoner collapsed near the fifth mile of the race, during the Canada stretch of the 26.2-mile event.

Race director Aaron Velthoven tells CBC News a 57-year-old U.S. man suffered “major medical emergency” around 8 kilometres into the race while on the Windsor, Ont., side.

Fort St. and 2nd Ave. The finish line is at the intersection of Woodward Ave. and Congress St. at the foot of the Michigan Soldiers' and Sailors' monument in Campus Martius Park. More: First Kids Marathon,