<p>Alex Marquez came out on top in Friday's first free practice for the weekend's Teruel MotoGP, finishing the opening session almost half a second ahead of fellow Honda rider Takaaki Nakagami.</p>.<p>Marquez, the brother of six-time MotoGP champion Marc who is sitting out this season injured, posted a best lap of one minute, 48.184 seconds in Alcaniz, 0.438sec in front of Japan's Nakagami.</p>.<p>Championship leader Joan Mir posted the third-fastest time, 0.809sec back as the Suzuki rider prepares to defend his wafer-thin lead at the top of the standings in Sunday's race.</p>.<p>Mir is just six points ahead of France's Fabio Quartararo, with Maverick Vinales and Andrea Dovizioso both within 15 points of the Spaniard.</p>.<p>Quartararo, 21, finished 17th in the opening session, 1.437sec behind Mir and just behind Ducati's Dovizioso.</p>.<p>The second free practice session will start at 1230 GMT.</p>.<p><strong>Times from the opening free practice session for the Teruel MotoGP on Friday:</strong></p>.<p>1. Alex Marquez (ESP/Honda) 1min 48.184sec, 2. Takaaki Nakagami (JPN/Honda-LCR) at 0.438, 3. Joan Mir (ESP/Suzuki) 0.809, 4. Stefan Bradl (GER/Honda) 0.819, 5. Franco Morbidelli (ITA/Yamaha-SRT) 0.916, 6. Maverick Vinales (ESP/Yamaha) 0.992, 7. Jack Miller (AUS/Ducati-Pramac) 1.027, 8. Aleix Espargaro (ESP/Aprilia) 1.121, 9. Pol Espargaro (ESP/KTM) 1.162, 10. Cal Crutchlow (GBR/Honda-LCR) 1.172</p>.<p><strong>Selected</strong></p>.<p>16. Andrea Dovizioso (ITA/Ducati) 1.32, 17. Fabio Quartararo (FRA/Yamaha-SRT) 1.437</p>
<p>Alex Marquez came out on top in Friday's first free practice for the weekend's Teruel MotoGP, finishing the opening session almost half a second ahead of fellow Honda rider Takaaki Nakagami.</p>.<p>Marquez, the brother of six-time MotoGP champion Marc who is sitting out this season injured, posted a best lap of one minute, 48.184 seconds in Alcaniz, 0.438sec in front of Japan's Nakagami.</p>.<p>Championship leader Joan Mir posted the third-fastest time, 0.809sec back as the Suzuki rider prepares to defend his wafer-thin lead at the top of the standings in Sunday's race.</p>.<p>Mir is just six points ahead of France's Fabio Quartararo, with Maverick Vinales and Andrea Dovizioso both within 15 points of the Spaniard.</p>.<p>Quartararo, 21, finished 17th in the opening session, 1.437sec behind Mir and just behind Ducati's Dovizioso.</p>.<p>The second free practice session will start at 1230 GMT.</p>.<p><strong>Times from the opening free practice session for the Teruel MotoGP on Friday:</strong></p>.<p>1. Alex Marquez (ESP/Honda) 1min 48.184sec, 2. Takaaki Nakagami (JPN/Honda-LCR) at 0.438, 3. Joan Mir (ESP/Suzuki) 0.809, 4. Stefan Bradl (GER/Honda) 0.819, 5. Franco Morbidelli (ITA/Yamaha-SRT) 0.916, 6. Maverick Vinales (ESP/Yamaha) 0.992, 7. Jack Miller (AUS/Ducati-Pramac) 1.027, 8. Aleix Espargaro (ESP/Aprilia) 1.121, 9. Pol Espargaro (ESP/KTM) 1.162, 10. Cal Crutchlow (GBR/Honda-LCR) 1.172</p>.<p><strong>Selected</strong></p>.<p>16. Andrea Dovizioso (ITA/Ducati) 1.32, 17. Fabio Quartararo (FRA/Yamaha-SRT) 1.437</p>