Marquez: Quiet race, a little boring for the fans...

Marc Marquez admitted he struggled to maintain his concentration as he stormed to a routine victory in the Austin MotoGP.

It was the defending world champion's eighth career premier class win and his second at the Circuit of The Americas following his debut MotoGP success in 2013.

However, Marquez described his triumph as a 'different kind of race' as he led from the end of the opening lap - when Jorge Lorenzo pulled in to serve his jump start penalty - until the chequered flag, when he gave his supporters a heart in the mouth moment as his almost tucked the front of his Repsol Honda at the final turn.

"I'm really happy with the victory. We did a different kind of race - I never led a race from the first lap until the end before," said Marquez.

"When I saw Jorge overtake me off the line at first I was a little worried, but then I saw that he had jumped the start

"It was difficult to keep the concentration and I lost a little bit of concentration on the last lap because the race was too quiet, so for my mechanics and my family I just went slow on the last corner!" he added.

"Anyway, we are so happy for the 25 points but I know that the next races will be a little bit different because this is one of my favourite tracks and for that reason this victory was a little bit easier than the other ones.

"It was a perfect weekend and gives us plenty of confidence. I know that the race was a little boring for the fans, but sometimes these types of races are good for a rider. Let's hope that the next one is more exciting," added Marquez, who revels in close battles.

Marquez leads the championship with a perfect 50 points after the opening two rounds following his victory in the Qatar night race, putting him 14 points clear of team-mate Dani Pedrosa.

The 21-year-old was the only rider to use the hard rear tyre in Sunday's race.