Ottawa Fall Colours Marathon

Ottawa, ON, Canada • October 10, 2026

Race Day Weather

45°

60° high

Breezy

Dry

Cool conditions, steady winds

Runners will face temperatures starting at 46°F and rising to 60°F, with humidity at 70% and a dew point of 45°F. Winds will be from the SSW at 9 mph, with gusts up to 24 mph, providing a moderate challenge. It's advisable for runners to pace conservatively in the early miles and stay hydrated throughout.

Race day forecast available in 197 days

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Pre-raceRace windowPost-race

The Ottawa Fall Colours Run has it all! New York and Boston Marathon Qualifiers; Beautiful Fall Colours in historic Cumberland Village, something for the whole family, including the 1K Turkey Trot. Source

Course Map

FAQ

When is the 2026 Ottawa Fall Colours Marathon?

The 2026 Ottawa Fall Colours Marathon will be held on Saturday October 10, 2026.

Is the Ottawa Fall Colours Marathon a Boston Marathon Qualifier?

Yes, the Ottawa Fall Colours Marathon is an official Boston Marathon qualifier.

Historical Weather

Based on 19 years of data

Avg Temp

60°F

L:47° H:60°

RunScore

Conditions

Rain Freq

16%

3 of 19 yrs

Wind9mph

Dew41°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2025 Ottawa Fall Colours Marathon Clear conditions throughout the day. 2025	50°/68°	-	43°
2024 Ottawa Fall Colours Marathon Partly cloudy throughout the day. 2024	42°/52°	-	34°
2023 Ottawa Fall Colours Marathon Cloudy skies throughout the day with rain. 2023	47°/54°	Light	44°
2022 Ottawa Fall Colours Marathon Partly cloudy throughout the day with a chance of rain throughout the day. 2022	45°/52°	Light	38°
2019 Ottawa Fall Colours Marathon Clear conditions throughout the day with early morning rain. 2019	41°/61°	-	40°
2018 Ottawa Fall Colours Marathon Cloudy skies throughout the day. 2018	47°/52°	-	43°
2017 Ottawa Fall Colours Marathon Partly cloudy throughout the day with morning rain. 2017	69°/72°	Light	59°
2016 Ottawa Fall Colours Marathon Partly cloudy throughout the day. 2016	45°/52°	-	37°
2015 Ottawa Fall Colours Marathon Partly cloudy throughout the day. 2015	54°/66°	-	49°
2014 Ottawa Fall Colours Marathon Clear conditions throughout the day. 2014	39°/57°	-	36°
2013 Ottawa Fall Colours Marathon Partly cloudy throughout the day with late afternoon rain. 2013	51°/69°	-	51°
2012 Ottawa Fall Colours Marathon Partly cloudy throughout the day. 2012	39°/48°	-	31°
2011 Ottawa Fall Colours Marathon Partly cloudy throughout the day. 2011	58°/82°	-	55°
2010 Ottawa Fall Colours Marathon Partly cloudy throughout the day. 2010	42°/62°	-	31°
2009 Ottawa Fall Colours Marathon Partly cloudy throughout the day with early morning rain. 2009	40°/48°	-	28°
2008 Ottawa Fall Colours Marathon Partly cloudy throughout the day. 2008	47°/70°	-	47°
2007 Ottawa Fall Colours Marathon Partly cloudy throughout the day. 2007	50°/59°	-	41°
2006 Ottawa Fall Colours Marathon Partly cloudy throughout the day. 2006	46°/68°	-	45°
2005 Ottawa Fall Colours Marathon Partly cloudy throughout the day. 2005	44°/53°	-	44°