Hasil latihan bebas 1 MotoGP Australia 2018, Phillip Island Jumat 26 Oktober 2018
| Pos. | Num. | Pembalap | Negara | Tim | Motor | Km/h | Waktu | Gap 1st/Prev. |
| 1 | 25 | Maverick VIÑALES | SPA | Movistar Yamaha MotoGP | Yamaha | 333.2 | 1’29.952 | |
| 2 | 43 | Jack MILLER | AUS | Alma Pramac Racing | Ducati | 334.6 | 1’29.989 | 0.037 / 0.037 |
| 3 | 9 | Danilo PETRUCCI | ITA | Alma Pramac Racing | Ducati | 337.2 | 1’30.027 | 0.075 / 0.038 |
| 4 | 4 | Andrea DOVIZIOSO | ITA | Ducati Team | Ducati | 337.1 | 1’30.121 | 0.169 / 0.094 |
| 5 | 35 | Cal CRUTCHLOW | GBR | LCR Honda CASTROL | Honda | 339.5 | 1’30.266 | 0.314 / 0.145 |
| 6 | 93 | Marc MARQUEZ | SPA | Repsol Honda Team | Honda | 334.8 | 1’30.384 | 0.432 / 0.118 |
| 7 | 29 | Andrea IANNONE | ITA | Team SUZUKI ECSTAR | Suzuki | 334.3 | 1’30.418 | 0.466 / 0.034 |
| 8 | 5 | Johann ZARCO | FRA | Monster Yamaha Tech 3 | Yamaha | 332.4 | 1’30.658 | 0.706 / 0.240 |
| 9 | 17 | Karel ABRAHAM | CZE | Angel Nieto Team | Ducati | 329.9 | 1’30.772 | 0.820 / 0.114 |
| 10 | 46 | Valentino ROSSI | ITA | Movistar Yamaha MotoGP | Yamaha | 329.2 | 1’30.828 | 0.876 / 0.056 |
| 11 | 44 | Pol ESPARGARO | SPA | Red Bull KTM Factory Racing | KTM | 335.7 | 1’30.936 | 0.984 / 0.108 |
| 12 | 55 | Hafizh SYAHRIN | MAL | Monster Yamaha Tech 3 | Yamaha | 332.3 | 1’30.956 | 1.004 / 0.020 |
| 13 | 26 | Dani PEDROSA | SPA | Repsol Honda Team | Honda | 329.3 | 1’30.984 | 1.032 / 0.028 |
| 14 | 19 | Alvaro BAUTISTA | SPA | Ducati Team | Ducati | 337.6 | 1’31.197 | 1.245 / 0.213 |
| 15 | 42 | Alex RINS | SPA | Team SUZUKI ECSTAR | Suzuki | 332.2 | 1’31.207 | 1.255 / 0.010 |
| 16 | 30 | Takaaki NAKAGAMI | JPN | LCR Honda IDEMITSU | Honda | 333.8 | 1’31.339 | 1.387 / 0.132 |
| 17 | 38 | Bradley SMITH | GBR | Red Bull KTM Factory Racing | KTM | 326.3 | 1’31.546 | 1.594 / 0.207 |
| 18 | 21 | Franco MORBIDELLI | ITA | EG 0,0 Marc VDS | Honda | 327.1 | 1’31.670 | 1.718 / 0.124 |
| 19 | 45 | Scott REDDING | GBR | Aprilia Racing Team Gresini | Aprilia | 327.4 | 1’31.941 | 1.989 / 0.271 |
| 20 | 10 | Xavier SIMEON | BEL | Reale Avintia Racing | Ducati | 325.2 | 1’32.013 | 2.061 / 0.072 |
| 21 | 12 | Thomas LUTHI | SWI | EG 0,0 Marc VDS | Honda | 328.3 | 1’32.024 | 2.072 / 0.011 |
| 22 | 41 | Aleix ESPARGARO | SPA | Aprilia Racing Team Gresini | Aprilia | 330.9 | 1’32.334 | 2.382 / 0.310 |
| 23 | 81 | Jordi TORRES | SPA | Reale Avintia Racing | Ducati | 332.9 | 1’32.793 | 2.841 / 0.459 |
| 24 | 7 | Mike JONES | AUS | Angel Nieto Team | Ducati | 327.5 | 1’35.012 | 5.060 / 2.219 |
