North AmericaCanada

Toronto Waterfront Marathon

Canada's flat, fast national-record course along the Lake Ontario shoreline, a crisp-autumn personal-best destination.

Good for Debut
2.6/10 Difficulty
115m Elevation Gain
1990 Founded

Course Map

Elevation Profile
km
mi

Route based on 2025 course — may differ slightly from this year.

About this Race

The TCS Toronto Waterfront Marathon is Canada's premier road race and its de facto national record course, a flat, fast route hugging the shoreline of Lake Ontario through the heart of the city. The terrain is gentle and the roads smooth, with out-and-back sections along the waterfront that make for efficient, rhythmic running. Held in October, it delivers crisp autumn conditions ideally suited to quick times, and regularly serves as the stage for Canadian records and Olympic qualifiers. The main variable is the lakeside wind on the exposed stretches rather than any meaningful climb. It suits the PB-focused runner who wants a fast North American course in a clean, well-organized package.

city flat fast waterfront pb-friendly bq

Course Insight

Toronto's waterfront course is Canada's fastest: flat, smooth and hugging Lake Ontario, it's where national records fall and personal bests are made. The level profile and autumn cool are ideal, leaving self-control as the only real challenge on the long lakeside straights. That same exposed shoreline is the catch, since wind off the lake can build on the out-and-back stretches and quietly tax anyone running alone, so share the work in a pack. October usually obliges with crisp conditions. There's no hill to enforce patience here, so supply it yourself early and the flat, fast back half is yours.

Pro tip: Share the work in a pack along the exposed lakeshore to beat the wind, and supply your own discipline early on the flat.

Difficulty Breakdown

2.6/10

A fast, runner-friendly course.

Elevation
2.5
Hill Placement
4.6
Weather
0.8
Turns
2.0

How we calculate difficulty →

Course Details

Course type
Point-To-Point
Elevation gain
115m
Elevation loss
115m
Highest point
138m
Lowest point
74m
Net elevation
0m
Start
Yonge St.
Cutoff time
6h 0m

Course Records

Men's
2:05:00 — Philemon Rono (Kenya), 2019
Women's
2:20:44 — Waganesh Mekasha (Ethiopia), 2024

Race History

The Toronto Waterfront Marathon was established around 2000 and has grown into Canada's premier road race and de facto national-record course. Run on a flat, fast route along the shore of Lake Ontario, it has repeatedly hosted Canadian records and Olympic-qualifying performances. From its founding it expanded into the country's most competitive marathon, drawing strong elite fields alongside a large recreational turnout. Held each October, it now welcomes tens of thousands of finishers in crisp autumn conditions.

Plan Your Trip

Everything you need to know to get there, get settled, and get to the start line.

Nearest airport(s)
Toronto Pearson (YYZ), Billy Bishop Toronto City (YTZ) & Hamilton (YHM)
Best area to stay
The Financial District for finish proximity and full hotels, the Harbourfront for lakeside stays near the course, and West Queen West for hip, characterful digs.
Getting to the start
The start is near University Avenue downtown; take the TTC subway to a central station like Queen's Park or St. Andrew and walk to the start.

You might also like

Shanghai Marathon
Shanghai, China
Debut 2.1/10
Beijing Marathon
Beijing, China
Debut 2.1/10
Istanbul Marathon
Istanbul, Turkey
Debut 3.5/10
Twin Cities Marathon
Minneapolis-Saint Paul, United States
Debut 3.6/10
Sacramento Marathon
Sacramento, United States
Debut 2.0/10
Porto Marathon
Porto, Portugal
Debut 3.6/10
London Marathon
London, United Kingdom
Major Debut 1.8/10
Vienna City Marathon
Vienna, Austria
Debut 2.2/10
Seoul Marathon
Seoul, South Korea
Debut 1.9/10
Edinburgh Marathon
Edinburgh, United Kingdom
Debut 2.1/10
Rio de Janeiro Marathon
Rio de Janeiro, Brazil
Debut 3.3/10
Disney World Marathon
Orlando, United States
Debut 2.1/10
Grandma's Marathon
Duluth, United States
Debut 3.1/10
Mountain to Beach Marathon
Ventura, United States
Debut 3.2/10
Milwaukee Marathon
Milwaukee, United States
Debut 2.8/10
Mesa Marathon
Phoenix, United States
Debut 2.0/10
Milan Marathon
Milan, Italy
Debut 1.4/10
New York City Marathon
New York, United States
Major Debut 5.3/10
Berlin Marathon
Berlin, Germany
Major Debut 1.6/10
Chicago Marathon
Chicago, United States
Major Debut 1.3/10
Frankfurt Marathon
Frankfurt, Germany
Debut 2.2/10
Amsterdam Marathon
Amsterdam, Netherlands
Debut 1.5/10
Cologne Marathon
Cologne, Germany
Debut 1.9/10
Munich Marathon
Munich, Germany
Debut 2.4/10
Athens Marathon
Athens, Greece
Debut 4.8/10
Valencia Marathon
Valencia, Spain
Debut 1.6/10
Warsaw Marathon
Warsaw, Poland
Debut 2.4/10
Budapest Marathon
Budapest, Hungary
Debut 1.9/10
Buenos Aires Marathon
Buenos Aires, Argentina
Debut 2.7/10
Taipei Marathon
Taipei, Taiwan
Debut 2.6/10