Hmm... I'm assuming that the Candian scene is the same as the American scene. But basically just look around on the internet for some local clubs/riding groups and look for the nearest race. There are different classes from beginner to professional for all age groups. Just enter, pay your fees, and ride. There wasn't a bike inspection at my first race or anything, and I'm sure there's no age limits either. I'd pick a beginner race and ride on