Muscle Milk Pickett Racing took a second successive outright ALMS win at Laguna Seca but, as is often the case in the American endurance series, it was the GT class battle that really caught the immagination.
The new European Le Mans Series campaign kicked off at Paul Ricard on Sunday, but fears that the championship will not see the end of the season quickly emerged as round two at Zolder was cancelled.
The Spirit of Daytona Corvette of Richard Westbrook and Antonio Garcia scored victory in the second Grand-Am event of 2012 at Barber Motorsports Park to end a seven-year wait for the team's maiden win.
British racer Martin Plowman will swap single-seaters for sportscars this season after confirming a switch to the American Le Mans Series with fellow IndyCar converts Conquest.