The 2025 Toronto Marathon is sprinting into the city on Sunday, May 4, bringing with it a slew of road closures along the entirety of the 42 km route. RouteThe full marathon starts off just north of Yonge and Sheppard, travelling up to Churchill Avenue before looping back down Beecroft Road and rejoining onto Yonge, travelling south. Road closuresThe marathon kicks off at 7:30 a.m. on Sunday, and all runners must complete their race within six hours. That means that, at most, road closures will have completely wrapped up by 1:30 p.m., leaving you free to travel however freely regular Toronto traffic allows after that. The following road closures will be in effect on Sunday, May 4, starting and ending at various times as the marathon progresses: