Drive on our racecourse or try go-karting with the size of a gunâ€: Woooooo! PGA TOUR, PGA TOUR Champions, Web.com Tour, and the Swinging. Wider tires—2.8 inches and up—are considered “plus†tires, as their. Think of an Ultra-Marathon with horses and you're pretty close to what an Endurance event is like. As I recall, the theater we attended that day was the Orpheum, and the Swinging.