When
Oct 17, 2027
Starts at 8:00am EDT
Weather
Last Year's Race Weather
☁️ Cloudy · 3°C–10°C
· Wind 18 km/h
Registration
Open Now
Opened October 19, 2026 · 8:00 AM EDT, Until Full
Website
Official website →
Event Details
The TCS Toronto Waterfront Marathon is Canada’s premier running event and the grand finale of the Canada Running Series. Since 2017, the race has served as the Athletics Canada National Marathon Championships and has doubled as the Olympic Trials.
With innovation and organization as our guiding principles, we stage great experiences for runners of all levels, from Canadian Olympians to recreational and charity runners. Our mission is “building community through the sport of running” and we are committed to making sport part of sustainable communities and the city-building process.
Event type
Half-Marathon
Distance
21.1 km
Surface
Road
Registration opens
October 19, 2026 · 8:00 AM EDT
, Until Full
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