Mosport’s RaceFest, an annual downtown Toronto tradition, returned to Yonge-Dundas Square in the heart of the city Tuesday, with pit stop demonstrations, driver autograph sessions and several racing and show cars. The event gave Toronto-area race fans a taste of what to expect when the Mobil 1 presents the Grand Prix of Mosport returns this weekend (Aug.26-29). Among a full four-day schedule of racing is Round 8 of the 2010 American Le Mans Series presented by Tequila Patron on Sunday, (green flag, 3:05 p.m. ET). Complete schedule and ticket information is available at www.mosport.com