Toronto Waterfront Marathon

Toronto, ON, Canada • October 18, 2026

Race Day Weather

49°

57° high

Breezy

Dry

Cool start, shifting winds ahead

Runners will face a starting temperature of 49°F, gradually warming to 57°F. Wind will be a factor with headwinds expected from miles 2-8 and 21-26, creating challenges on those stretches. With average humidity at 65%, maintaining hydration is crucial; runners should adjust pacing during the windier segments and take advantage of the tailwinds from miles 11-20 for faster splits.

Race day forecast available in 199 days

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Pace Calculator

Distance: 26.2mi

Target Finish Time

0:00:00

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Pace

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Weather Adj.

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Common Goals:

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. Source

FAQ

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 57°F and a low of 49°F with a 0% 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

Conditions

Rain Freq

25%

6 of 24 yrs

Wind11mph

Dew50°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2025 Toronto Waterfront Marathon Clear conditions throughout the day with rain. 2025	68°/72°	-	57°
2024 Toronto Waterfront Marathon Clear conditions throughout the day. 2024	51°/69°	-	46°
2023 Toronto Waterfront Marathon Partly cloudy throughout the day. 2023	49°/51°	-	39°
2022 Toronto Waterfront Marathon Partly cloudy throughout the day. 2022	47°/57°	-	41°
2019 Toronto Waterfront Marathon Clearing in the afternoon. 2019	48°/59°	-	46°
2018 Toronto Waterfront Marathon Partly cloudy throughout the day. 2018	36°/43°	-	24°
2017 Toronto Waterfront Marathon Clear conditions throughout the day. 2017	56°/71°	-	52°
2016 Toronto Waterfront Marathon Partly cloudy throughout the day with rain. 2016	64°/70°	Light	61°
2015 Toronto Waterfront Marathon Partly cloudy throughout the day. 2015	37°/43°	-	24°
2014 Toronto Waterfront Marathon Partly cloudy throughout the day. 2014	40°/47°	-	29°
2013 Toronto Waterfront Marathon Clear conditions throughout the day. 2013	43°/56°	-	40°
2012 Toronto Waterfront Marathon Cloudy skies throughout the day with a chance of rain throughout the day. 2012	58°/66°	Light	59°
2011 Toronto Waterfront Marathon Partly cloudy throughout the day. 2011	50°/55°	-	45°
2010 Toronto Waterfront Marathon Clear conditions throughout the day. 2010	52°/62°	-	49°
2009 Toronto Waterfront Marathon Partly cloudy throughout the day with rain clearing later. 2009	63°/68°	-	61°
2008 Toronto Waterfront Marathon Partly cloudy throughout the day with rain. 2008	64°/72°	Light	59°
2007 Toronto Waterfront Marathon Clear conditions throughout the day. 2007	61°/71°	-	58°
2006 Toronto Waterfront Marathon Cloudy skies throughout the day with a chance of rain throughout the day. 2006	65°/68°	Light	57°
2005 Toronto Waterfront Marathon Partly cloudy throughout the day with rain in the morning and afternoon. 2005	66°/74°	Light	67°
2004 Toronto Waterfront Marathon Clear conditions throughout the day. 2004	59°/69°	-	57°
2003 Toronto Waterfront Marathon Partly cloudy throughout the day. 2003	55°/63°	-	49°
2002 Toronto Waterfront Marathon Cloudy skies throughout the day with a chance of rain throughout the day. 2002	67°/71°	Light	62°
2001 Toronto Waterfront Marathon Clear conditions throughout the day. 2001	61°/68°	-	59°
2000 Toronto Waterfront Marathon Clearing in the afternoon with early morning rain. 2000	55°/60°	-	45°

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