Hasil Latihan Bebas 1 Moto3 Motegi Jepang 2018
| Pos. | Num. | Pembalap | Negara | Tim | Motor | Km/h | Waktu | Gap 1st/Prev. |
| 1 | 84 | Jakub KORNFEIL | CZE | Redox PruestelGP | KTM | 215.4 | 1’57.740 | |
| 2 | 44 | Aron CANET | SPA | Estrella Galicia 0,0 | Honda | 215 | 1’57.848 | 0.108 / 0.108 |
| 3 | 33 | Enea BASTIANINI | ITA | Leopard Racing | Honda | 210.2 | 1’58.076 | 0.336 / 0.228 |
| 4 | 48 | Lorenzo DALLA PORTA | ITA | Leopard Racing | Honda | 217.3 | 1’58.190 | 0.450 / 0.114 |
| 5 | 17 | John MCPHEE | GBR | CIP – Green Power | KTM | 214.4 | 1’58.202 | 0.462 / 0.012 |
| 6 | 12 | Marco BEZZECCHI | ITA | Redox PruestelGP | KTM | 216.3 | 1’58.212 | 0.472 / 0.010 |
| 7 | 65 | Philipp OETTL | GER | Sudmetal Schedl GP Racing | KTM | 213.8 | 1’58.339 | 0.599 / 0.127 |
| 8 | 14 | Tony ARBOLINO | ITA | Marinelli Snipers Team | Honda | 216 | 1’58.483 | 0.743 / 0.144 |
| 9 | 42 | Marcos RAMIREZ | SPA | Bester Capital Dubai | KTM | 215 | 1’58.487 | 0.747 / 0.004 |
| 10 | 75 | Albert ARENAS | SPA | Angel Nieto Team Moto3 | KTM | 216.8 | 1’58.536 | 0.796 / 0.049 |
| 11 | 22 | Kazuki MASAKI | JPN | RBA BOE Skull Rider | KTM | 214.1 | 1’58.830 | 1.090 / 0.294 |
| 12 | 77 | Vicente PEREZ | SPA | Reale Avintia Academy 77 | KTM | 216 | 1’58.857 | 1.117 / 0.027 |
| 13 | 10 | Dennis FOGGIA | ITA | SKY Racing Team VR46 | KTM | 215.2 | 1’58.897 | 1.157 / 0.040 |
| 14 | 24 | Tatsuki SUZUKI | JPN | SIC58 Squadra Corse | Honda | 210.8 | 1’58.916 | 1.176 / 0.019 |
| 15 | 19 | Gabriel RODRIGO | ARG | RBA BOE Skull Rider | KTM | 215.7 | 1’58.940 | 1.200 / 0.024 |
| 16 | 88 | Jorge MARTIN | SPA | Del Conca Gresini Moto3 | Honda | 210.8 | 1’59.004 | 1.264 / 0.064 |
| 17 | 72 | Alonso LOPEZ | SPA | Estrella Galicia 0,0 | Honda | 211.5 | 1’59.103 | 1.363 / 0.099 |
| 18 | 21 | Fabio DI GIANNANTONIO | ITA | Del Conca Gresini Moto3 | Honda | 216.9 | 1’59.123 | 1.383 / 0.020 |
| 19 | 81 | Stefano NEPA | ITA | CIP – Green Power | KTM | 212.4 | 1’59.145 | 1.405 / 0.022 |
| 20 | 71 | Ayumu SASAKI | JPN | Petronas Sprinta Racing | Honda | 216.3 | 1’59.175 | 1.435 / 0.030 |
| 21 | 16 | Andrea MIGNO | ITA | Angel Nieto Team Moto3 | KTM | 211.3 | 1’59.186 | 1.446 / 0.011 |
| 22 | 23 | Niccolò ANTONELLI | ITA | SIC58 Squadra Corse | Honda | 216.4 | 1’59.210 | 1.470 / 0.024 |
| 23 | 5 | Jaume MASIA | SPA | Bester Capital Dubai | KTM | 214.3 | 1’59.232 | 1.492 / 0.022 |
| 24 | 27 | Kaito TOBA | JPN | Honda Team Asia | Honda | 215.6 | 1’59.732 | 1.992 / 0.500 |
| 25 | 41 | Nakarin ATIRATPHUVAPAT | THA | Honda Team Asia | Honda | 215.3 | 1’59.760 | 2.020 / 0.028 |
| 26 | 40 | Darryn BINDER | RSA | Red Bull KTM Ajo | KTM | 210.4 | 1’59.956 | 2.216 / 0.196 |
| 27 | 31 | Celestino VIETTI | ITA | SKY Racing Team VR46 | KTM | 212.4 | 2’00.408 | 2.668 / 0.452 |
| 28 | 7 | Adam NORRODIN | MAL | Petronas Sprinta Racing | Honda | 210.8 | 2’01.421 | 3.681 / 1.013 |
| 29 | 36 | Yuto FUKUSHIMA | JPN | Team Plus One | Honda | 202.7 | 2’02.036 | 4.296 / 0.615 |
| 30 | 13 | Shizuka OKAZAKI | JPN | Kohara Racing Team | Honda | 204.5 | 2’04.065 | 6.325 / 2.029 |