Treherne Marathon
Race Day Weather
Cool start, warming trend ahead
Runners will face a gradual temperature increase from 44°F at the start to 62°F by the finish, with average humidity at 77%. Light headwinds will challenge runners in the early miles and again from 11-13, while a tailwind from miles 16-19 will provide a boost on the return. Adjust pacing to account for the rising temperatures and consider hydration strategies as the race progresses.
Pace Calculator
Enter a finish time to see what race day does to it.
Get forecast alerts for Treherne Marathon
We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.
Get your personalized Treherne 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 Info
The Treherne Marathon, known as "the toughest race on the prairies," challenges runners with its hilly terrain through Manitoba's picturesque Tiger Hills. This Boston Qualifier event offers multiple distances, including a full marathon, half marathon, 10K, 5K, and 1 mile, all starting and finishing in the welcoming town of Treherne. Organized by dedicated local volunteers, the race supports community initiatives, fostering a strong sense of camaraderie and local pride.