Fittipaldi and Barbosa capture second Prototype title
Two hours in at Petit, and big changes happening
All-out battle for championship honors awaits Corvette DP and Ford EcoBoost teams at Petit Le Mans
Two points separate top three prototype teams heading to the Lone Star Le Mans
Defending winners Fittipaldi, Barbosa look to narrow prototype gap in showcase at Road America
Westbook, Valiante become first repeat winners of 2015
UPDATE: Red flag at Watkins Glen with 90 minutes left
Prototype class takes streak of five different winners to Sahlen’s Six Hours
Taylor Racing takes Long Beach TUDOR Championship race
