What can I expect from the terrain and elevation?

The course is a runner’s dream if you are hunting for a personal best. It is primarily paved, urban, and remarkably flat, stretching through downtown Toronto and hugging the scenic waterfront. You won't find any soul-crushing climbs here, just steady, rhythmic road running through a dozen different neighborhoods. You can study the route via these maps: Toronto Waterfront Marathon ↗ and Toronto Waterfront Marathon ↗.

What should I pack for the Toronto October weather?

October in Toronto is the "sweet spot" for marathon running, but it can be fickle. Expect crisp, cool morning temperatures—likely in the single digits or low teens (Celsius)—which is ideal for preventing overheating. However, the waterfront can get breezy. I recommend a light, disposable layer for the start line that you can ditch once the adrenaline kicks in. Don't be surprised if you hit a bit of humidity or a sudden overcast chill.

How is the race day organization handled?

The organizers use a sophisticated wave system based on your predicted finish time, which is essential for a field this large. If you are a faster runner, you won't be fighting through a sea of walkers in the first five kilometers. For the Marathon, the elites and fast runners (Red/Yellow waves) kick off at 8:00 a.m., while the final walkers cross the start around 9:29 a.m. Just ensure you are in your designated color corral by 8:00 a.m. or you'll face a logistical headache.

Which distance should I pick?

The Marathon is the main event and offers the most prestige, especially with the National Championships happening simultaneously. The Half Marathon is also incredibly well-run and offers a similar scenic experience with less grit. If you're just in town for the vibes and want a shorter burst, the 5K starts at 9:00 a.m. on University Ave. Personally, if you're traveling internationally, the Marathon is the one worth the flight.

How do I navigate the city for the race?

Toronto is a major hub, and Pearson International (YYZ) is a well-connected gateway. Most runners should look for accommodation in the downtown core or near the waterfront to keep transit simple. The race starts near Yonge and Elm Streets, so staying central allows you to walk or take the subway (TTC) directly to the start. Avoid staying too far north or west, as the morning commute during a race-day street closure can be a nightmare.