Audi blocked out the top two positions in second free practice for Sunday's opening round of the World Endurance Championship at Silverstone.Lucas di Grassi topped the times aboard the #1 Audi R18 e-tron quattro with a 1m43.134s on his first flying lap, an improvement of well over a second from...

Muscle Milk Pickett Racing duo Klaus Graf and Lucas Luhr came out on top in a race-long duel with Nick Heidfeld and Neel Jani's Rebellion Lola-Toyota to win the four-hour American Le Mans Series event at Mazda Raceway Laguna Seca.With the victory, Luhr became the ALMS' all-time leader in wins...

Strakka Racing, the first LMP1 privateer finisher in this year's Le Mans 24 Hours, has withdrawn from the remainder of the 2013 World Endurance Championship.The British team has decided to miss the final five rounds of the series with its HPD ARX-03c in order to focus on what it is...