AUSTIN, Texas - Spain's Marc Marquez dominated both free practice sessions on Friday ahead of this weekend's 2013 Circuit of the Americas MotoGP.It will be the second event of the 2013 MotoGP season.Marquez, 20, who rides for Honda, had the fastest time in each session on the brand-new Texas track, finishing more than half a second faster than fellow Spaniard Dani Pedrosa ahead of Sunday's (April 21) race.'BETTER FEELING'Germany's Stefan Bradl, Spaniard Jorge Lorenzo - reigning World champion and winner of the 2013 MotoGP in Qatar - and Italy's Valentino Rossi rounded out the top five. Marquez posted the best time on his second practice run.Lorenzo said later: "In the morning we were competitive but this afternoon, when the track improved, they had a better feeling and a better confidence to improve much more than us."Lorenzo was third in Qatar behind Lorenzo and Rossi.Yamaha team mates Lorenzo and Rossi practiced the day after fire broke out early Thursday in a building next to their main garage.The fire resulted in the MotoGP machines and the team's equipment being doused in water and fire retardant from the sprinkler system. The bikes had to be taken apart, cleaned and dried out, and then re-assembled.Circuit of the Americas is the third US venue on the 2013 MotoGP calendar, along with Laguna Seca (July) and Indianapolis (August).