The Treherne Marathon is an annual event held in Treherne, Manitoba, featuring a picturesque and challenging course through the Tiger Hills Region. It is the only marathon and half marathon in Manitoba with significant elevation changes, earning it the nickname "the toughest race in the prairies." The full marathon course is a registered Boston Qualifier.

The race starts in town and quickly transitions to country roads, taking runners through the rolling Tiger Hills. After the race, runners are welcomed back in town with refreshments provided by local residents.

- Starts in Treherne town and transitions to country roads
- Rolling hills with significant elevation changes through Tiger Hills
- Road/pavement surface
- Known as "the toughest race in the prairies" due to elevation
- Challenging course for runners seeking Boston Qualifier times

- Picturesque and challenging course through the Tiger Hills Region
- Only marathon and half marathon in Manitoba with significant elevation changes
- Registered Boston Qualifier for the full marathon
- Race finishes with refreshments provided by local residents
- Multiple race distances including marathon, half marathon, 10K, 5K, and 1 mile run