100 Miler
Tally in the Valley Trail Race 2025
July 26, 2025
07:00 AM
Hamilton, Ontario
161km (100 miles)

Participants will run a 7km loop through the unique Carolinian forest in the Dundas Valley Conservation Area. The loop features groomed double-track trails with rolling hills and about 130m of elevation gain per loop. Runners can select from single-loop (7k), 3 loops (21k), 23 loops (100 miles), or participate in timed events of 6, 12, or 24 hours to see how many loops they can complete.
The event is sanctioned by Athletics Ontario and offers a challenging, scenic trail running experience in the heart of Hamilton, Ontario.