Britain's Andy Wallace and Johnny Herbert were robbed of a certain second place - and possible victory - when Herbert crashed his Audi in the closing stages of a dramatic American Le Mans Series race at Mosport on Sunday.

Herbert's Audi was just 2.6 seconds behind leader Emanuele Pirro with just 15 minutes of the 165-minute race left.

Herbert said: "I needed to get past two back-markers so that I could keep the pressure on Emanuele who was only 2.6secs ahead.

"But we went into a turn and I got on to the rubber 'marbles', lost grip, slid on to the grass and almost caught the slide, but it got away from me again and I hit the tyre wall hard.

"It was a great shame, Andy had driven very well and the Audi was running superbly and I felt confident I could have beaten Pirro."

Wallace said: "Both Johnny and I drove as hard as we could and we should be proud of what we achieved. The Champion Audi will win an ALM race one day rest assured."

The Canadian race marked only Herbert's third race in the eight round ALMS series which continues at Mid-Ohio next Saturday having previously finished fourth (Sears Point) and third (Portland) in the last four weeks.