British teammate Bradley Smith also demonstrated his battling qualities.
Repsol Honda, Dani Pedrosa took third place having a set a Circuit Record Lap time of 2'01.941 on lap six.
Cal Crutchlow demonstrated incredible bravery and skill to power his YZR-M1 machine to third position.
Power Electronics Aspar rider broke a finger after a heavy fall.
Despite persistent discomfort in his right shoulder, Andrea gradually improved his time during the sessions.
Marc Marquez celebrated an emphatic pole position at Silverstone on Saturday, but after qualifying was quick to point out that he did not foresee such record pace.
Ducati Team riders Andrea Dovizioso and Nicky Hayden were pleased with the improvements made to their Desmosedici GP13.
Jorge Lorenzo’s impressive time of 2’00.819 secured him second on the grid for tomorrow’s race ahead of hometown hero Cal Crutchlow.
Marquez sets new MotoGP lap record at Silverstone as the top five were under the old record.
Carl Crutchlow demonstrated his determination to be the first British rider since 2000 to finish on the podium in the British Grand Prix.
Most riders were able to set their personal best lap times using the softer rear slick in conjunction with the harder front slick.
Under sunny skies at the Silverstone, Andrea Dovizioso and Nicky Hayden enjoyed the fast circuit during today’s two free-practice sessions.
Andrea Iannone and Michele Pirro used the first day of free practice for “reconnaissance” of the track.
Reigning MotoGP Champion sets fastest time on first day of practice
Bridgestone slick compounds available: Front: Soft & Medium. Rear: Soft, Medium-soft & Medium (Asymmetric) and if it rains, Soft (Main), Hard (Alternative)