Canada
That Dam Hill is a premier running event held in London, Ontario, featuring a variety of races including a Charity 5K Fun Run/Walk, half marathon, marathon, and ultra-marathon options. Scheduled for September 20, 2025, the event is entirely volunteer-run, with all net proceeds benefiting local charities, particularly Dunn with Cancer, which has raised over $1.2 million for cancer research since 2020. The course is certified and serves as a Boston Marathon qualifier, making it an attractive option for serious runners.
Participants can enjoy a supportive atmosphere while contributing to a meaningful cause. Visit the organization's website for the most recent information.
Always double-check with the organizer's website – things can change, and we might have sprinted past a few details!
24 hr
24 Hour Relay
24 hr
24 Hour Timed Race
12 hr
12 Hour (night) Timed Race
6 hr
6 Hour Timed Race
42 km
Marathon
42 km
½ Marathon
5 km
Charity 5k Fun Run/walk
