While the trail is designed for kids to ride, to provide the training that the race team needs, it can't be too easy. So, the builders incorporated plenty of features into Federer’s Folly, including "a couple of cool, steep switchbacks, and a good portion of it hugs the rim of a pair of basins in the woods," according to an article on STLMag.com. "A dozen or so strategically placed bumps in the path keep the ride the right amount of rocky."
