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Your complete Toronto 2025 marathon calendar. Find every marathon happening in Toronto, Canada in 2025 with comprehensive race details, registration information, and official results, including the Toronto Marathon, and Toronto Waterfront Marathon.
Each marathon listing includes a 2025 marathon guide including dates, locations, course details, weather conditions, and relevant links for registration and more information. We maintain the most current results database, publishing official results on race day, plus complete 2024 results for year-to-year comparison.
Toronto, Canada
May 4, 2025
The Toronto Marathon offers a fast, net downhill course that takes runners through the city's vibrant neighborhoods, providing stunning views of iconic landmarks and the waterfront. Known for its excellent organization and strong support, including an innovative psyching team, this race is a top choice for those seeking to qualify for the Boston Marathon or achieve personal bests.
Toronto, Canada
October 19, 2025
The Toronto Waterfront Marathon takes runners on a captivating journey through the heart of the city, with a dynamic course that includes scenic waterfront views, vibrant neighborhoods, and challenging inclines like the Spadina Fly-over and Eastern Ave climbs. Known for its fast, flat sections and lively urban atmosphere, this premier Canadian marathon combines the thrill of a personal best with community spirit and finishes with a celebratory atmosphere at Nathan Phillips Square.