About The Race
More than an ultra marathon timed race, That Dam Hill is also London Ontario’s only certified marathon. Complete 42.2km (26.2miles) or more during your timed race, and you will automatically receive a certified marathon time. And yes, That Dam Hill is a certified Boston marathon Qualifier!
New this year, register for the marathon and be eligible to win an award
In addition to the marathon the course is also certified for the following distances: Half-marathon, 25km, Marathon, 50km, 50 mile, 100km, and 100 mile.
And don’t worry, the hill isn’t that big. If anything, it’s more of a molehill.