The 5K Foam Fest - London, ON

London, Ontario hosts The 5K Foam Fest at Boler Mountain. This family-friendly obstacle-course run is billed as The World’s #1 Fun Run for ages 7 and up. Participants tackle more than 25 obstacles, including the world's largest inflatable waterslide, through 2.5 million cubic feet of foam along a 5K course.

The festival atmosphere includes music, food, local vendors, a free kids zone, and a beer garden. All obstacles are optional, making it accessible for all fitness levels—walk it, run it, or play it. The event supports Make-A-Wish Canada and has raised over $4 million for charity. Visit the organization's website for the most recent information.