Pembalap Movistar Yamaha itu berhasil mencetak waktu tercepat, yakni 1:30.047. Lorenzo pun unggul atas Marquez dan rival utamanya dalam perebutan gelar juara dunia musim ini, Valentino Rossi yang berada di posisi ketiga tercepat.
Rekan Marquez yang juga juara MotoGP Jepang pekan lalu, Dani Pedrosa, berada di tempat keempat di susul Jack Miller dari tim LCR Honda yang berhasil masuk jajaran lima besar sesi latihan bebas pertama ini.
Melengkapi sepuluh besar berturut-turut Cal Crutchlow, Bradley Smith, Andrea Iannone, Pol Espargaro, dan Maverick Vinales.
Berikut hasil lengkap sesi latihan bebas pertama MotoGP Australia:
1. Jorge Lorenzo ESP Movistar Yamaha MotoGP (YZR-M1) 1m 30.047s [Lap 12/12] 331km/h (Top Speed)
2. Marc Marquez ESP Repsol Honda Team (RC213V) 1m 30.395s +0.348s [14/15] 336km/h
3. Valentino Rossi ITA Movistar Yamaha MotoGP (YZR-M1) 1m 30.572s +0.525s [15/15] 329km/h
4. Dani Pedrosa ESP Repsol Honda Team (RC213V) 1m 30.669s +0.622s [11/12] 328km/h
5. Jack Miller AUS LCR Honda (RC213V-RS)* 1m 30.712s +0.665s [15/15] 329km/h
6. Cal Crutchlow GBR LCR Honda (RC213V) 1m 30.782s +0.735s [18/19] 339km/h
7. Bradley Smith GBR Monster Yamaha Tech 3 (YZR-M1) 1m 30.902s +0.855s [15/17] 334km/h
8. Andrea Iannone ITA Ducati Team (Desmosedici GP15) 1m 30.967s +0.920s [11/15] 339km/h
9. Pol Espargaro ESP Monster Yamaha Tech 3 (YZR-M1) 1m 31.111s +1.064s [10/18] 334km/h
10. Maverick Viñales ESP Team Suzuki Ecstar (GSX-RR)* 1m 31.240s +1.193s [11/15] 330km/h
11. Aleix Espargaro ESP Team Suzuki Ecstar (GSX-RR) 1m 31.260s +1.213s [8/13] 330km/h
12. Andrea Dovizioso ITA Ducati Team (Desmosedici GP15) 1m 31.385s +1.338s [14/16] 342km/h
13. Nicky Hayden USA Aspar MotoGP Team (RC213V-RS) 1m 31.506s +1.459s [13/18] 328km/h
14. Danilo Petrucci ITA Octo Pramac Racing (Desmosedici GP14.2) 1m 31.670s +1.623s [10/15] 332km/h
15. Mike Di Meglio FRA Avintia Racing (Desmosedici GP14 Open) 1m 31.670s +1.623s [3/13] 330km/h
16. Hector Barbera ESP Avintia Racing (Desmosedici GP14 Open) 1m 31.702s +1.655s [5/11] 324km/h
17. Scott Redding GBR Estrella Galicia 0,0 Marc VDS (RC213V) 1m 31.772s +1.725s [10/15] 329km/h
18. Yonny Hernandez COL Octo Pramac Racing (Desmosedici GP14.2) 1m 32.121s +2.074s [15/16] 339km/h
19. Alvaro Bautista ESP Factory Aprilia Gresini (RS-GP) 1m 32.173s +2.126s [14/15] 328km/h
20. Eugene Laverty IRL Aspar MotoGP Team (RC213V-RS)* 1m 32.589s +2.542s [12/15] 324km/h
21. Loris Baz FRA Forward Racing (Forward Yamaha)* 1m 32.756s +2.709s [14/15] 325km/h
22. Toni Elias SPA Forward Racing (Forward Yamaha) 1m 32.959s +2.912s [11/14] 327km/h
23. Stefan Bradl GER Factory Aprilia Gresini (RS-GP) 1m 33.558s +3.511s [7/16] 325km/h
24. Anthony West AUS AB Motoracing (RC213V-RS) 1m 33.790s +3.743s [17/20] 321km/h
25. Damian Cudlin AUS E-Motion IodaRacing (ART) 1m 36.091s +6.044s [11/12] 308km/h