John Tomac (born November 3, 1967, in Owosso, Michigan) is a former professional who competed in various disciplines, from road cycling to mountain biking for about 20 years always on the crest of a wave. She became a mountain bike icon by entering the “Mountain Bike Hall Of Fame” in 1991 after winning the world championship. He is one of the few runners to have won international/national races in 4 disciplines (downhill, xc, road and bmx). As if that wasn't enough, he also raced on the road, competing in classics such as Paris-Roubaix and the Tour of Flanders.

