Ottawa Marathon

Ottawa, ON, CanadaMay 25, 2025
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partly-cloudy-day Partly cloudy throughout the day.

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The Tartan Ottawa International Marathon is Canada’s fastest marathon. This race attracts thousands of participants, including a world-class contingent of pro-athletes every year. The Tartan Ottawa International Marathon is a World Athletics Elite Label Race and one of Canada’s largest Boston Qualifiers. Source

Area Map

Course Maps

FAQ

When is the 2025 Ottawa Marathon?

The 2025 Ottawa Marathon will be held on Sunday May 25, 2025.

Is the Ottawa Marathon a Boston Marathon Qualfier?

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

Community

Historical Weather

RunScore
Run Score: 7
Temp
70°F
Min/Max
56°/70°F
Dew
49°F
Days of Rain
4/18
Wind
9mph
Tap a row for details.
YearConditionsLow / HighRainRunScore
2024
partly-cloudy-day
58°/ 67°-
Run Score: 8
2023
clear-day
59°/ 81°-
Run Score: 8
2022
rain
58°/ 67°Light
Run Score: 8
2019
clear-day
62°/ 70°-
Run Score: 7
2018
partly-cloudy-day
57°/ 69°-
Run Score: 8
2017
partly-cloudy-day
57°/ 75°-
Run Score: 8
2016
cloudy
64°/ 82°-
Run Score: 8
2015
partly-cloudy-day
53°/ 80°-
Run Score: 8
2014
partly-cloudy-day
52°/ 75°-
Run Score: 8
2013
partly-cloudy-day
47°/ 60°-
Run Score: 8
2012
partly-cloudy-day
57°/ 72°-
Run Score: 9
2011
cloudy
61°/ 68°Light
Run Score: 8
2010
cloudy
61°/ 66°-
Run Score: 9
2009
partly-cloudy-day
57°/ 69°Light
Run Score: 8
2008
partly-cloudy-day
50°/ 71°-
Run Score: 9
2007
cloudy
52°/ 54°Light
Run Score: 8
2005
partly-cloudy-day
53°/ 68°-
Run Score: 8
2004
clear-day
45°/ 65°-
Run Score: 8