Advance, online registration for all races is now closed.
However, it’s still possible to join the U.S.-Only Half-Marathon, the 5K, Competitive 1-mile and the Meijer Kids Fun Fun by registering in-person at at the Health & Fitness Expo, which happens Friday, Oct. 14, and Saturday, Oct. 15, at Huntington Place in downtown Detroit. More details about the expo are here.
In-person registration begins at 1 p.m. Friday. It will remain open at the expo until all available spots are sold out. Sellouts are possible.
It’s no longer possible to register for races that cross the border into Canada.