Yesterday, our office bench-racing conversation revolved around the impressive season that Antonio Cairoli is putting together, as the veteran currently leads the FIM Motocross World Championship. Cairoli is one of those riders that have been around for so long that you just assume he’s much older than he actually is. (We’re not giving away the answer. You’ll have guess below.)

Long story short, it made us think: do fans know how old Cooper Webb is? Or Jason Anderson? Or Ryan Dungey? Or Jeffrey Herlings?

With that in mind we decided to put a list together and see how well you do. Let’s us know in the comments below.