MOSPORT, ON - The biggest sports car race weekend of the year revved  into high gear as the Mobil 1 presents the Grand Prix of Mosport got  underway.
All of the series' running this weekend held practice  sessions on Mosport's famed road course as the 10-turn circuit holds its final  major event of its 50th anniversary season.  The American Le Mans Series  held three separate test sessions while the other popular series’ running, the  Star Mazda Championship, Cooper Tires Prototype Lites, Playboy MX-5 Cup and  Castrol Canadian Touring Car Championship held their first practices of the  action packed weekend.
The Muscle Milk CytoSport duo of Klaus Graf of  Germany and France’s Romain Dumas set the pace in the prototype class with a  fast lap time of 1:07.801 in their Porsche RS Spyder.  The lone Canadian in  action the series was the fourth fastest in the LMP Challenge class as he and  American co-pilot ran a fast lap of 1:14.404.
Toronto’s own Robert Sabato  had the fastest times in the Lites 2 category of the Cooper Tires Prototype  Lites Championship in both of Friday’s practices.  His best lap was  1:20.224.
Saturday's action begins with practice and qualifying sessions  in the morning.  The Cooper Tires Prototype Lites and the Castrol Touring  cars will run the first leg of their doubleheaders Saturday afternoon.  The  weekend headliner, The American Le Mans Series will hold their qualifying  session in two groups to end the day.
The Mobil 1 presents the Grand Prix  of Mosport is the eighth race of the season for the American Le Mans Series and  will run on Sunday, August 29 at 3:05 pm.
From Ryan Chalmers, Mosport  

