The Scotiabank Toronto Waterfront Marathon, Half-Marathon & 5k Run / Walk is organized by Canada Running Series Inc., organizers of the Canada Running Series, "A selection of Canada's best runs!"

Canada Running Series annually organizes eight events in Montreal, Toronto and Vancouver that vary in distance from the 5k to the marathon.

The Scotiabank Toronto Waterfront Marathon and Half-Marathon are fully sanctioned by AIMS (Association of International Marathons and Road Races) and Athletics Canada. The 5k event is sanctioned by Athletics Canada. The marathon is a 2-year official Boston Marathon qualifier.