DateExpected
Mid October 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
Toronto, Ontario
Toronto, Canada
Countdown
October
A half marathon that starts alongside the full marathon field and runs point to point, so you get a big-race start with a more manageable distance.
Key facts
01Shares the 08:00 start with the marathon
02Half marathon course closes at 13:00
03Results are ranked by sex
Create a free training plan for the TCS Toronto Waterfront Marathon 21 km
7-day free trial, no card required
The course
The route
Toronto
Distance21km
StartElevation
0 kmDrag map to rotate21.1 km
Weather
Mid-October, Toronto
15°CTypical high
10°CTypical low
2°CColdest in 20 years
56%Days with rain
Highs around 15°C and lows around 10°C, but it has dropped to 2°C. Rain on 56% of days.
NASA POWER data, 2006-2025, the week either side of race day
Results
Course verified. Results not yet available.
Organiser
Training
Training for the TCS Toronto Waterfront Marathon 21 km
We don't do generic plans. We combine deep knowledge of this race's demands with your recent training, then build a plan with you that progresses as you do.
Beina integrates directly with your existing tools to understand your current fitness, and synchronise your planned sessions.
Intervals.icuWhat a TCS Toronto Waterfront Marathon 21 km plan targets
Typical sessions
21 km
Time on feet and fatigue resistance
Fuelling and pacing for the whole event
What your weeks look like
Typical sessions
Long runs that build time on your feet
Tempo and threshold sessions to hold race pace
Steady mileage with one or two quality days a week
Not a generic schedule
Typical sessions
Built from your current fitness and the time you actually have
Adapts every week as Beina learns how you respond
Syncs your sessions straight to Garmin and Wahoo
One clear next session, never a wall of spreadsheet
Entries open now
Get your TCS Toronto Waterfront Marathon 21 km plan.
7-day free trial, no card required.
Other races at TCS Toronto Waterfront Marathon
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