The Lost Valley Trail Race

Dundas, Canada • 15 Nov 2025

The Lost Valley Trail Race is a point-to-point trail running event held in the Dundas Valley Conservation Area, Ontario, Canada. Scheduled for November 15, 2025, it offers two race distances: 10 km and 25 km, both following the scenic Iroquoia Section of the Bruce Trail. The courses feature a mix of rolling single-track trails, rocky sections, steep climbs, and road segments, with net downhill elevation profiles.

Participants start at different locations and finish at Dundas Valley Conservation Area, where parking and amenities are available. The race includes aid stations, race swag like socks and medals, and supports the Iroquoia Bruce Trail Club. Registration is limited to maintain a community atmosphere. Visit the organization's website for the most recent information.

Race information

25 km
600 m+
10 km
185 m+
Visit the organization's website for the most recent information.
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