In 349 days · Sat, Oct 16, 2027
Don't let race day sneak up
One email during race week. That's it.
Saturday, October 16th, 2027
100 Queen St W., Toronto ON
Half · 5K · Marathon
47–60°F · some rain risk
See last 10 years
On this date: rain 3 of the last 10 years
2025
40–59°F
dry
2024
39–51°F
dry
2023
48–58°F
dry
2022
42–60°F
dry
2021
50–62°F
rain
2020
38–53°F
dry
2019
45–57°F
rain
2018
39–53°F
dry
2017
37–51°F
dry
2016
61–66°F
rain
Best months to race in Ontario →
About this race
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.
Stay connected to TCS Toronto Waterfront Marathon and your fellow runners through social media using our official race hashtags #TOWaterfront42K #ChooseTOrun .
Course map
Train with a club
Run clubs near Toronto to train with before race day.
Suggested Races
Organize this race?
Claim it free to manage your listing — and get it featured for free, while spots last.