Mario Aerts is a former professional road bicycle racer, who competed between 1996 and 2011. He competed for three teams; Vlaanderen 2002, Team Telekom and the Lotto team through various sponsorships, competing with that particular team for twelve seasons during his career. During this time he raced in the Tours de France, the Giro d'Italia, and the Vuelta a España. In the 2007 cycling season, he finished in these three major stage races in cycling. He was only the 25th racer in the history of cycling to achieve this.