161K
100 Miler
Sat, Jul 26 · 5:00 AM
$220.10
Hosted byHappy Trails Racing
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.
161K
Sat, Jul 26 · 5:00 AM
$220.10
21K
Sun, Jul 27 · 7:00 AM
$89.39
7K
Sun, Jul 27 · 7:00 AM
$73.05
12 Hour
Sat, Jul 26 · 6:00 AM
$138.40
6 Hour
Sat, Jul 26 · 6:00 AM
$105.72
Elimination - up to 24 hours
Sat, Jul 26 · 6:00 AM
$176.53
12 Hour
Sat, Jul 26 · 6:00 PM
$138.40
24 Hour
Sat, Jul 26 · 6:00 AM
$176.53
Prices from the organizer. Please check the official website for up-to-date times and pricing.
The course direction alternates each year; for 2025, it will be run clockwise.
The "Gong Show" elimination event requires completing a 7km loop every hour until one runner remains or 24 hours pass.
Aid stations at start/finish provide water, electrolytes, and snacks.
Pacers allowed in select events under specific conditions.
Event sanctioned by Athletics Ontario.
Organizer
The Running Directory combines organizer-provided details, official race links, and ongoing listing research. Always confirm final dates, prices, times, and course details with the race organizer before registering.
Last updated: October 2, 2026
Official registration(opens in a new tab)Last listed$73.05
Past race