Treherne Marathon

Treherne, MB, Canada • September 21, 2025
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clear-day Clear conditions throughout the day.

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The Treherne Marathon is a unique race held in south central Manitoba, an hour outside of Winnipeg. This annual event takes place every fall as the leaves are changing colour. The event features a four different live races: a 5K, a 10K, the half marathon, and the full marathon, as well as a 1M option as a virtual option. The race starts in town and soon takes you out on country roads south of town through the rolling hills. The track is measured and the full course is an official qualifier for the Boston marathon. Source

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When is the 2025 Treherne Marathon?

The 2025 Treherne Marathon will be held on Sunday September 21, 2025.

Is the Treherne Marathon a Boston Marathon Qualfier?

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

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Historical Weather & Results

RunScore
Run Score: 7
Temp
67°F
Min/Max
53°/67°F
Dew
44°F
Days of Rain
6/17
Wind
10mph
Tap a row for details.
YearLow / HighRain

Treherne Marathon 2024 Weather History

Partly cloudy throughout the day.

2024
partly-cloudy-day
48°/ 66°-
Run Score: 9

Treherne Marathon 2023 Weather History

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

2023
rain
60°/ 62°Light
Run Score: 8

Treherne Marathon 2022 Weather History

Partly cloudy throughout the day.

2022
clear-day
52°/ 63°-
Run Score: 7

Treherne Marathon 2019 Weather History

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

2019
rain
39°/ 41°Light
Run Score: 4

Treherne Marathon 2018 Weather History

Partly cloudy throughout the day with rain or snow.

2018
partly-cloudy-day
33°/ 41°-
Run Score: 6

Treherne Marathon 2016 Weather History

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

2016
rain
58°/ 78°Light
Run Score: 8

Treherne Marathon 2015 Weather History

Partly cloudy throughout the day.

2015
partly-cloudy-day
64°/ 91°-
Run Score: 6

Treherne Marathon 2014 Weather History

Clear conditions throughout the day with morning rain.

2014
clear-day
58°/ 78°-
Run Score: 8

Treherne Marathon 2013 Weather History

Cloudy skies throughout the day with morning rain.

2013
cloudy
57°/ 69°Light
Run Score: 9

Treherne Marathon 2012 Weather History

Becoming cloudy in the afternoon.

2012
partly-cloudy-day
54°/ 75°-
Run Score: 7

Treherne Marathon 2011 Weather History

Clear conditions throughout the day.

2011
clear-day
66°/ 81°-
Run Score: 8

Treherne Marathon 2010 Weather History

Clear conditions throughout the day.

2010
clear-day
55°/ 66°-
Run Score: 7

Treherne Marathon 2009 Weather History

Partly cloudy throughout the day.

2009
clear-day
61°/ 77°-
Run Score: 8

Treherne Marathon 2008 Weather History

Partly cloudy throughout the day with early morning rain.

2008
clear-day
48°/ 60°-
Run Score: 8

Treherne Marathon 2007 Weather History

Partly cloudy throughout the day.

2007
clear-day
55°/ 83°-
Run Score: 7

Treherne Marathon 2006 Weather History

Partly cloudy throughout the day with rain.

2006
clear-day
48°/ 51°Light
Run Score: 7

Treherne Marathon 2005 Weather History

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

2005
clear-day
48°/ 61°Light
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