The 2026 Treherne Half Marathon has concluded.

Treherne Half Marathon

Race complete
Treherne, MB, Canada · September 20, 2026·
clear-day46°·50° high·Light·Dry
10
Register

Race Day Weather

clear-day
46°at start
62° high
Light
Dry
Your goal
0:00:00

Cool start — fast day potential, big temp swing

A cool 46°F at the start line is ideal for fast times — expect to warm up quickly once you're moving. Temps will climb significantly to 62°F by later miles, so expect fading conditions as the race progresses. Light winds shouldn't be a major factor for pacing. Moderate humidity at 77% is worth noting for effort level, especially in later miles.

clear-night10
clear-day10
clear-day10
clear-day10
clear-day10
clear-day9
clear-day8
clear-day8
clear-day8
clear-day8
clear-day8

Pace Calculator

13.1mi
0:00:00
HH:MM:SS
Pace
—

Enter a finish time to see what race day does to it.

Common Goals:

Get forecast alerts for Treherne Half Marathon

We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.

Race Plan

Get your personalized Treherne Half 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 half marathon starts in Treherne at the same time as the full marathon and heads out on country roads south of town through the rolling Tiger Hills. The course is billed locally as the Hilly Half, and runners descend every hill they climb on the way back to the finish in town. Finishers are greeted by volunteers with medals and refreshments at the Treherne Community Hall.

Race weekend

Sunday, September 20
9:00 AMMarathon (26.2 mi)
9:00 AMHalf Marathon (13.1 mi)
9:15 AM10K (6.2 mi)
9:30 AM5K (3.1 mi)
9:30 AM1 Mile (1.0 mi)
Area Map

Course Map

FAQ

When is the 2026 Treherne Half Marathon?

The 2026 Treherne Half Marathon will be held on Sunday September 20, 2026.

What will the weather be like for the 2026 Treherne Half Marathon?

The forecast calls for a high of 62°F and a low of 42°F with a 0% chance of rain. Check our detailed hourly forecast above for the best half marathon race plan.

Historical Weather

Based on 19 years of data
Avg Temp
56°F
L:53° H:60°
RunScore
8
Conditions
Rain Freq
21%
4 of 19 yrs
Wind9mph
Dew48°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2026
cloudy
46°/50°-
10
2025
clear-day
56°/63°-
7
2024
partly-cloudy-day
48°/56°-
9
2023
rain
61°/61°Light
6
2022
clear-day
52°/58°-
9
2019
rain
39°/40°Light
9
2018
partly-cloudy-day
33°/36°-
10
2016
rain
58°/68°Light
6
2015
partly-cloudy-day
64°/73°-
5
2014
clear-day
58°/69°-
6
2013
cloudy
57°/64°Light
6
2012
partly-cloudy-day
54°/64°-
8
2011
clear-day
66°/72°-
5
2010
clear-day
55°/62°-
8
2009
clear-day
61°/69°-
5
2008
clear-day
48°/53°-
10
2007
clear-day
55°/71°-
8
2006
clear-day
48°/50°-
10
2005
clear-day
48°/54°-
10