Calgary Marathon

Calgary, AB, Canada • May 24, 2026
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partly-cloudy-day Partly cloudy throughout the day.

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The Calgary Marathon Race Weekend is Canada's longest running marathon and Alberta's Best Road Race. With a variety of distances to choose, we offer a race for every age and ability. Source

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When is the 2026 Calgary Marathon?

The 2026 Calgary Marathon will be held on Sunday May 24, 2026.

Is the Calgary Marathon a Boston Marathon Qualfier?

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

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Historical Weather & Results

RunScore
Run Score: 8
Temp
64°F
Min/Max
47°/65°F
Dew
39°F
Days of Rain
5/23
Wind
8mph
Tap a row for details.
YearLow / HighRainResults

Calgary Marathon 2025 Weather History

Clear conditions throughout the day.

2025
clear-day
47°/ 74°-
Run Score: 8

Calgary Marathon 2024 Weather History

Partly cloudy throughout the day with a chance of rain throughout the day.

2024
partly-cloudy-day
42°/ 58°Light
Run Score: 6

Calgary Marathon 2023 Weather History

Partly cloudy throughout the day with late afternoon rain.

2023
partly-cloudy-day
50°/ 75°-
Run Score: 8

Calgary Marathon 2022 Weather History

Cloudy skies throughout the day.

2022
cloudy
47°/ 57°-
Run Score: 7

Calgary Marathon 2021 Weather History

Partly cloudy throughout the day.

2021
partly-cloudy-night
41°/ 59°-
Run Score: 8

Calgary Marathon 2019 Weather History

Partly cloudy throughout the day with morning rain.

2019
rain
38°/ 61°Light
Run Score: 8

Calgary Marathon 2018 Weather History

Partly cloudy throughout the day.

2018
partly-cloudy-day
51°/ 73°-
Run Score: 9

Calgary Marathon 2017 Weather History

Partly cloudy throughout the day with a chance of rain throughout the day.

2017
partly-cloudy-day
51°/ 68°-
Run Score: 8

Calgary Marathon 2016 Weather History

Partly cloudy throughout the day with late afternoon rain.

2016
partly-cloudy-day
49°/ 64°-
Run Score: 9

Calgary Marathon 2015 Weather History

Partly cloudy throughout the day.

2015
partly-cloudy-day
52°/ 73°-
Run Score: 9

Calgary Marathon 2014 Weather History

Partly cloudy throughout the day with rain.

2014
partly-cloudy-day
49°/ 66°-
Run Score: 9

Calgary Marathon 2013 Weather History

Partly cloudy throughout the day with early morning rain.

2013
clear-day
41°/ 62°-
Run Score: 8

Calgary Marathon 2012 Weather History

Partly cloudy throughout the day.

2012
partly-cloudy-day
36°/ 48°-
Run Score: 8

Calgary Marathon 2011 Weather History

Partly cloudy throughout the day.

2011
partly-cloudy-day
38°/ 55°-
Run Score: 8

Calgary Marathon 2010 Weather History

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

2010
cloudy
35°/ 45°Light
Run Score: 7

Calgary Marathon 2009 Weather History

Partly cloudy throughout the day with morning rain.

2009
partly-cloudy-day
48°/ 66°-
Run Score: 9

Calgary Marathon 2008 Weather History

Partly cloudy throughout the day.

2008
partly-cloudy-day
56°/ 70°-
Run Score: 9

Calgary Marathon 2007 Weather History

Cloudy skies throughout the day with rain in the morning and afternoon.

2007
cloudy
55°/ 65°Light
Run Score: 8

Calgary Marathon 2006 Weather History

Partly cloudy throughout the day with rain.

2006
partly-cloudy-day
60°/ 80°Light
Run Score: 8

Calgary Marathon 2005 Weather History

Partly cloudy throughout the day.

2005
clear-day
51°/ 65°-
Run Score: 9

Calgary Marathon 2004 Weather History

Partly cloudy throughout the day with late afternoon rain.

2004
partly-cloudy-day
53°/ 66°-
Run Score: 9

Calgary Marathon 2003 Weather History

Partly cloudy throughout the day.

2003
partly-cloudy-day
47°/ 61°-
Run Score: 7

Calgary Marathon 2002 Weather History

Partly cloudy throughout the day.

2002
partly-cloudy-day
52°/ 79°-
Run Score: 8
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
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