Toronto Waterfront Marathon

Toronto, ON, Canada · October 18, 2026
partly-cloudy-day53°·56° high·Breezy·Dry
8
Register
Weather
Pace Calc
Race Plan
Course
Splits
Race Info
FAQ
History

Race Day Weather

partly-cloudy-day
53°at start
57° high
Breezy
Dry

Cool temps, strategic wind shifts

Runners will face temperatures starting at 53°F and peaking at 57°F, with humidity averaging 67%. Wind will shift from a headwind in the early miles to a beneficial tailwind from miles 9 to 20, before returning to headwind conditions towards the finish. Runners should pace conservatively early on, adjusting for headwinds and taking advantage of the tailwind during the middle segment for optimal performance.

Race day forecast available in 49 days
partly-cloudy-night8
partly-cloudy-night8
partly-cloudy-day7
partly-cloudy-day7
partly-cloudy-day7
partly-cloudy-day7
partly-cloudy-day8
partly-cloudy-day7
partly-cloudy-day7
partly-cloudy-day7
partly-cloudy-day7
partly-cloudy-day7

Pace Calculator

Distance: 26.2mi
0:00:00
HH:MM:SS
Pace
—
Weather Adj.
—
Common Goals:

Get forecast alerts for Toronto Waterfront Marathon

We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.

Race Plan

Get your personalized Toronto Waterfront Marathon race plan

Weather-adjusted pacing, per-mile terrain splits, fueling timeline with aid stations, packing checklist, carb tracker, spectator guide — all personalized to your goal and race-day conditions.

Race Conditions
Terrain Splits
Nutrition
Gear & Packing
T-Minus
Carb Tracker
Spectator Guide
Race Band
Premium

Your Toronto Waterfront Marathon Race Plan

8 interactive tools personalized to your goal, body, and race-day conditions — including your True Effort pace, live carb tracker, and printable race band.

Trusted by runners at Boston, London, Chicago & more

$9one-time purchase
Instant access

By continuing you agree to our Terms and Privacy Policy. Forecasts are for informational use only.

Race Info

The Toronto Waterfront Marathon is a premier road race that showcases Toronto's vibrant neighborhoods and picturesque lakefront. Runners traverse a predominantly flat 42.195 km course, starting on Yonge Street near Gerrard Street and finishing at Bay Street just north of Queen Street. The route offers scenic views as it winds through downtown and along the waterfront, making it an excellent choice for those aiming for personal bests.

Website

FAQ

Ask a Question about the Toronto Waterfront Marathon

Racecast Concierge (free during beta)

Ask a question about the Toronto Waterfront Marathon and we'll do the hard part and find the answer for you within 48 hours.

By using Racecast Concierge, you agree to receive email alerts pertaining to the Toronto Waterfront Marathon and general racecast.io updates.

When is the 2026 Toronto Waterfront Marathon?

The 2026 Toronto Waterfront Marathon will be held on Sunday October 18, 2026.

Is the Toronto Waterfront Marathon a Boston Marathon Qualifier?

Yes, the Toronto Waterfront Marathon is an official Boston Marathon qualifier.

What is the time limit for the Toronto Waterfront Marathon?

The time limit for the Toronto Waterfront Marathon is 6.5 hours.

What will the weather be like for the 2026 Toronto Waterfront Marathon?

The forecast calls for a high of 59°F and a low of 53°F with a 12% chance of rain. Check our detailed hourly forecast above for the best marathon race plan.

Historical Weather

Based on 24 years of data
Avg Temp
62°F
L:55° H:63°
RunScore
8
Conditions
Rain Freq
25%
6 of 24 yrs
Wind11mph
Dew50°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults

2025 Toronto Waterfront Marathon

Clear conditions throughout the day with rain.

2025
clear-day
68°/72°-
7

2024 Toronto Waterfront Marathon

Clear conditions throughout the day.

2024
clear-day
51°/69°-
8

2023 Toronto Waterfront Marathon

Partly cloudy throughout the day.

2023
partly-cloudy-day
49°/51°-
7

2022 Toronto Waterfront Marathon

Partly cloudy throughout the day.

2022
clear-day
47°/57°-
9

2019 Toronto Waterfront Marathon

Clearing in the afternoon.

2019
partly-cloudy-day
48°/59°-
9

2018 Toronto Waterfront Marathon

Partly cloudy throughout the day.

2018
clear-day
36°/43°-
7

2017 Toronto Waterfront Marathon

Clear conditions throughout the day.

2017
clear-day
56°/71°-
8

2016 Toronto Waterfront Marathon

Partly cloudy throughout the day with rain.

2016
cloudy
64°/70°Light
7

2015 Toronto Waterfront Marathon

Partly cloudy throughout the day.

2015
partly-cloudy-day
37°/43°-
8

2014 Toronto Waterfront Marathon

Partly cloudy throughout the day.

2014
clear-day
40°/47°-
8

2013 Toronto Waterfront Marathon

Clear conditions throughout the day.

2013
clear-day
43°/56°-
8

2012 Toronto Waterfront Marathon

Cloudy skies throughout the day with a chance of rain throughout the day.

2012
rain
58°/66°Light
8

2011 Toronto Waterfront Marathon

Partly cloudy throughout the day.

2011
cloudy
50°/55°-
7

2010 Toronto Waterfront Marathon

Clear conditions throughout the day.

2010
clear-day
52°/62°-
9

2009 Toronto Waterfront Marathon

Partly cloudy throughout the day with rain clearing later.

2009
partly-cloudy-day
63°/68°-
8

2008 Toronto Waterfront Marathon

Partly cloudy throughout the day with rain.

2008
partly-cloudy-day
64°/72°Light
8

2007 Toronto Waterfront Marathon

Clear conditions throughout the day.

2007
clear-day
61°/71°-
8

2006 Toronto Waterfront Marathon

Cloudy skies throughout the day with a chance of rain throughout the day.

2006
partly-cloudy-day
65°/68°Light
6

2005 Toronto Waterfront Marathon

Partly cloudy throughout the day with rain in the morning and afternoon.

2005
partly-cloudy-day
66°/74°Light
8

2004 Toronto Waterfront Marathon

Clear conditions throughout the day.

2004
clear-day
59°/69°-
8

2003 Toronto Waterfront Marathon

Partly cloudy throughout the day.

2003
partly-cloudy-day
55°/63°-
8

2002 Toronto Waterfront Marathon

Cloudy skies throughout the day with a chance of rain throughout the day.

2002
cloudy
67°/71°Light
8

2001 Toronto Waterfront Marathon

Clear conditions throughout the day.

2001
clear-day
61°/68°-
9

2000 Toronto Waterfront Marathon

Clearing in the afternoon with early morning rain.

2000
clear-day
55°/60°-
8

More ON Races

Mississauga Marathon
2027-04-25 · Mississauga, ON, Canada
Georgina Marathon
2026-09-13 · Georgina, ON, Canada
That Dam Hill Marathon
2026-09-19 · London, ON, Canada
The County Marathon
2026-10-04 · Wellington, ON, Canada
Muskoka Marathon
2026-10-04 · Bracebridge, ON, Canada
Ottawa Fall Colours Marathon
2026-10-10 · Ottawa, ON, Canada
Free guidesMarathon Fueling Guide·Carb Loading Guide·Race Morning Guide·Race Day Gear Guide·Pacing Strategy Guide·Mental Strategy Guide

Race Day Alerts

Get notified when the Toronto Waterfront Marathon forecast shifts — so you can adjust your gear, pacing, and strategy.

Forecast shift alerts (temp, wind, rain)
Updates as weather changes leading up to race day
Max one message per day
Text Alerts

USA, UK, and Canada only. Standard rates apply.

or
Email Alerts

By subscribing you agree to receive race forecasts and racecast.io updates.

Submit a correction

Spot something wrong or missing for the Toronto Waterfront Marathon? Let us know and we'll update it.

You Need an Account For That

Setting up a racecast.io account will allow you to start building a reputation in the community. Over time you'll be able to rate races, join the discussion, and post in the community.

Right now we are invite only, you can get on the waitlist by entering your email below:

OR

Submit a race

Missing a race? Send it in and we'll add it to Racecast.