Toronto Waterfront Marathon Long Run

The TCS Toronto Waterfront Marathon is a major road-running event on Toronto’s scenic waterfront, part of the Canada Running Series. The 2025 weekend unfolds October 18–19 and features three distances: a full marathon, a half marathon, and a 5K. The marathon and half marathon are listed as sold out, underscoring strong community participation.

The event is presented by title sponsor TCS and supported by a lineup of partners, offering a festival-like Race Weekend with an expo and extensive participant services. The course runs along the city’s waterfront, with inclusive options for athletes with disabilities and elite experiences, and community events. Visit the organization's website for the most recent information.