Ottawa Fall Colours Marathon

Ottawa, ON, Canada · October 10, 2027·
partly-cloudy-day45°·58° high·Light·Dry
9
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Race Day Weather

partly-cloudy-day
45°at start
60° high
Light
Dry
Your goal
0:00:00

Cool start, steady warming trend

Runners will face a temperature range from 45°F at the start to 60°F by the finish, with humidity averaging 68%. Wind will be light at 8 mph, with gusts reaching 22 mph, but should not significantly impact performance. To optimize efforts, runners should plan to adjust their pace conservatively as temperatures rise in the later laps.

Race day forecast available in 338 days
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Pace Calculator

26.2mi
0:00:00
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Race Plan

Get your personalized Ottawa Fall Colours Marathon race plan

A mile-by-mile breakdown of where your time goes, weather-adjusted splits, fueling timeline with aid stations, packing checklist, carb tracker, spectator guide, all built around your goal and race-day conditions.

Race Pace
Weather Splits
Nutrition
Gear & Packing
T-Minus
Carb Tracker
Spectator Guide
Race Band

Race Info

The Ottawa Fall Colours Marathon is run at the Cumberland Heritage Museum in Cumberland, Ontario, east of Ottawa, on Thanksgiving weekend. The marathon is two laps of a 21 km loop through the village and surrounding roads, starting and finishing at the museum. The course is certified and the marathon is a Boston Marathon qualifier. A half marathon, 10K, 5K, 3K and 1K events run alongside over the two days. Source

Race weekend

Saturday, October 9
9:00 AMTurkey Trot (0.6 mi)
9:30 AMWedding Dress Dash (0.6 mi)
10:00 AM3K (1.9 mi)
Sunday, October 10
8:00 AMMarathon (26.2 mi)
8:30 AM5K (3.1 mi)9:30 AM10K (6.2 mi)10:30 AMHalf Marathon (13.1 mi)

FAQ

When is the 2027 Ottawa Fall Colours Marathon?

The 2027 Ottawa Fall Colours Marathon will be held on Sunday October 10, 2027.

Is the Ottawa Fall Colours Marathon a Boston Marathon Qualifier?

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

What is the time limit for the Ottawa Fall Colours Marathon?

The time limit for the Ottawa Fall Colours Marathon is 7 hours.

What will the weather be like for the 2027 Ottawa Fall Colours Marathon?

The forecast calls for a high of 60°F and a low of 44°F with a 11% chance of rain.

Historical Weather

Based on 20 years of data
Avg Temp
50°F
L:44° H:56°
RunScore
9
Conditions
Rain Freq
15%
3 of 20 yrs
Wind7mph
Dew42°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

This race has moved. A year marked with a city was run there, and its weather is from there.

YearConditionsLow / HighRainScoreResults
2026Ottawa, ON, Canada
partly-cloudy-day
42°/64°-
9
2025
clear-day
45°/63°-
8
2024
partly-cloudy-day
41°/47°-
10
2023
cloudy
46°/54°Light
9
2022
cloudy
45°/49°Light
10
2019
clear-day
36°/55°-
10
2018
cloudy
47°/49°-
10
2017
rain
69°/70°Light
4
2016
partly-cloudy-day
42°/50°-
10
2015
partly-cloudy-day
51°/59°-
8
2014
partly-cloudy-day
33°/54°-
10
2013
fog
48°/63°-
8
2012
partly-cloudy-day
38°/45°-
10
2011
partly-cloudy-day
54°/73°-
6
2010
partly-cloudy-day
36°/57°-
10
2009
partly-cloudy-day
37°/45°-
9
2008
partly-cloudy-day
42°/61°-
9
2007
partly-cloudy-day
47°/56°-
10
2006
partly-cloudy-day
40°/61°-
9
2005
partly-cloudy-day
41°/51°-
10