Hasil latihan bebas 1 Moto3 Australia 2018, Phillip Island Jumat 26 Oktober 2018
| Pos. | Num. | Pembalap | Negara | Tim | Motor | Km/h | Waktu | Gap 1st/Prev. |
| 1 | 88 | Jorge MARTIN | SPA | Del Conca Gresini Moto3 | Honda | 229.8 | 1’38.841 | |
| 2 | 42 | Marcos RAMIREZ | SPA | Bester Capital Dubai | KTM | 237.7 | 1’38.974 | 0.133 / 0.133 |
| 3 | 44 | Aron CANET | SPA | Estrella Galicia 0,0 | Honda | 230.3 | 1’39.125 | 0.284 / 0.151 |
| 4 | 14 | Tony ARBOLINO | ITA | Marinelli Snipers Team | Honda | 233.7 | 1’39.162 | 0.321 / 0.037 |
| 5 | 17 | John MCPHEE | GBR | CIP – Green Power | KTM | 231.3 | 1’39.179 | 0.338 / 0.017 |
| 6 | 24 | Tatsuki SUZUKI | JPN | SIC58 Squadra Corse | Honda | 230.1 | 1’39.185 | 0.344 / 0.006 |
| 7 | 33 | Enea BASTIANINI | ITA | Leopard Racing | Honda | 229.2 | 1’39.231 | 0.390 / 0.046 |
| 8 | 75 | Albert ARENAS | SPA | Angel Nieto Team Moto3 | KTM | 231.8 | 1’39.281 | 0.440 / 0.050 |
| 9 | 12 | Marco BEZZECCHI | ITA | Redox PruestelGP | KTM | 231.8 | 1’39.285 | 0.444 / 0.004 |
| 10 | 21 | Fabio DI GIANNANTONIO | ITA | Del Conca Gresini Moto3 | Honda | 234.9 | 1’39.375 | 0.534 / 0.090 |
| 11 | 19 | Gabriel RODRIGO | ARG | RBA BOE Skull Rider | KTM | 229.2 | 1’39.411 | 0.570 / 0.036 |
| 12 | 48 | Lorenzo DALLA PORTA | ITA | Leopard Racing | Honda | 235.1 | 1’39.472 | 0.631 / 0.061 |
| 13 | 41 | Nakarin ATIRATPHUVAPAT | THA | Honda Team Asia | Honda | 232.8 | 1’39.548 | 0.707 / 0.076 |
| 14 | 40 | Darryn BINDER | RSA | Red Bull KTM Ajo | KTM | 233.7 | 1’39.569 | 0.728 / 0.021 |
| 15 | 7 | Adam NORRODIN | MAL | Petronas Sprinta Racing | Honda | 230.1 | 1’39.588 | 0.747 / 0.019 |
| 16 | 5 | Jaume MASIA | SPA | Bester Capital Dubai | KTM | 229.7 | 1’39.644 | 0.803 / 0.056 |
| 17 | 16 | Andrea MIGNO | ITA | Angel Nieto Team Moto3 | KTM | 232.9 | 1’39.867 | 1.026 / 0.223 |
| 18 | 10 | Dennis FOGGIA | ITA | SKY Racing Team VR46 | KTM | 235.9 | 1’39.881 | 1.040 / 0.014 |
| 19 | 72 | Alonso LOPEZ | SPA | Estrella Galicia 0,0 | Honda | 235.9 | 1’39.896 | 1.055 / 0.015 |
| 20 | 65 | Philipp OETTL | GER | Sudmetal Schedl GP Racing | KTM | 238.5 | 1’39.937 | 1.096 / 0.041 |
| 21 | 22 | Kazuki MASAKI | JPN | RBA BOE Skull Rider | KTM | 229.9 | 1’40.029 | 1.188 / 0.092 |
| 22 | 81 | Stefano NEPA | ITA | CIP – Green Power | KTM | 235.3 | 1’40.197 | 1.356 / 0.168 |
| 23 | 77 | Vicente PEREZ | SPA | Reale Avintia Academy 77 | KTM | 236.5 | 1’40.346 | 1.505 / 0.149 |
| 24 | 71 | Ayumu SASAKI | JPN | Petronas Sprinta Racing | Honda | 233.9 | 1’40.396 | 1.555 / 0.050 |
| 25 | 27 | Kaito TOBA | JPN | Honda Team Asia | Honda | 233.5 | 1’40.629 | 1.788 / 0.233 |
| 26 | 55 | Yari MONTELLA | ITA | SIC58 Squadra Corse | Honda | 227.9 | 1’40.990 | 2.149 / 0.361 |
| 27 | 31 | Celestino VIETTI | ITA | SKY Racing Team VR46 | KTM | 228.9 | 1’41.113 | 2.272 / 0.123 |
| 28 | 84 | Jakub KORNFEIL | CZE | Redox PruestelGP | KTM | 234.1 | 1’42.995 | 4.154 / 1.882 |