2026 Northumberland Run Forest Run

Northumberland Run Forest Run takes place on Sunday, June 14, 2026 in Roseneath, ON, at Woodland Trailhead in Northumberland County Forest. This trail event offers a 4-hour 3K loop challenge plus 7.5K, 9K, and 24.6K options through forest terrain, with self-supported running and an aid station at the start area.

The course uses the Purple Finch, Black Oak, and Sweet Fern trails, plus an out-and-back to Lookout Mtn for the longest option. Trails are marked, include steep inclines and uneven footing, and the event is self-supported with aid at the start area.

• Forest trail setting in Northumberland County
• Four distance options: 3K, 7.5K, 9K, and 24.6K
• 4-hour looped challenge on the 3K course
• Single-loop trail options for 7.5K and 9K
• Self-supported format with start-area aid
• A walk-friendly 9K option
• Course features forest trails, steep inclines, and mixed single/double track