Hasil Latihan Bebas 1 Moto3 Buriram Thailand 2018, Jumat 5 Oktober 2018
| Pos. | Num. | Pembalap | Negara | Tim | Motor | Km/h | Waktu | Gap 1st/Prev. |
| 1 | 84 | Jakub KORNFEIL | CZE | Redox PruestelGP | KTM | 225.3 | 1’43.415 | |
| 2 | 12 | Marco BEZZECCHI | ITA | Redox PruestelGP | KTM | 225 | 1’43.692 | 0.277 / 0.277 |
| 3 | 48 | Lorenzo DALLA PORTA | ITA | Leopard Racing | Honda | 225.3 | 1’43.885 | 0.470 / 0.193 |
| 4 | 10 | Dennis FOGGIA | ITA | SKY Racing Team VR46 | KTM | 226.3 | 1’43.919 | 0.504 / 0.034 |
| 5 | 8 | Nicolo BULEGA | ITA | SKY Racing Team VR46 | KTM | 226.2 | 1’44.013 | 0.598 / 0.094 |
| 6 | 42 | Marcos RAMIREZ | SPA | Bester Capital Dubai | KTM | 224.9 | 1’44.017 | 0.602 / 0.004 |
| 7 | 14 | Tony ARBOLINO | ITA | Marinelli Snipers Team | Honda | 226.6 | 1’44.055 | 0.640 / 0.038 |
| 8 | 35 | Somkiat CHANTRA | THA | AP Honda Racing Thailand | Honda | 221.7 | 1’44.127 | 0.712 / 0.072 |
| 9 | 65 | Philipp OETTL | GER | Sudmetal Schedl GP Racing | KTM | 223.1 | 1’44.161 | 0.746 / 0.034 |
| 10 | 22 | Kazuki MASAKI | JPN | RBA BOE Skull Rider | KTM | 221 | 1’44.297 | 0.882 / 0.136 |
| 11 | 17 | John MCPHEE | GBR | CIP – Green Power | KTM | 219.2 | 1’44.298 | 0.883 / 0.001 |
| 12 | 24 | Tatsuki SUZUKI | JPN | SIC58 Squadra Corse | Honda | 222.8 | 1’44.334 | 0.919 / 0.036 |
| 13 | 81 | Stefano NEPA | ITA | CIP – Green Power | KTM | 226.5 | 1’44.337 | 0.922 / 0.003 |
| 14 | 5 | Jaume MASIA | SPA | Bester Capital Dubai | KTM | 221.4 | 1’44.513 | 1.098 / 0.176 |
| 15 | 33 | Enea BASTIANINI | ITA | Leopard Racing | Honda | 223.5 | 1’44.571 | 1.156 / 0.058 |
| 16 | 88 | Jorge MARTIN | SPA | Del Conca Gresini Moto3 | Honda | 221.5 | 1’44.618 | 1.203 / 0.047 |
| 17 | 19 | Gabriel RODRIGO | ARG | RBA BOE Skull Rider | KTM | 226.6 | 1’44.624 | 1.209 / 0.006 |
| 18 | 71 | Ayumu SASAKI | JPN | Petronas Sprinta Racing | Honda | 224.9 | 1’44.624 | 1.209 |
| 19 | 23 | Niccolò ANTONELLI | ITA | SIC58 Squadra Corse | Honda | 223.8 | 1’44.711 | 1.296 / 0.087 |
| 20 | 77 | Vicente PEREZ | SPA | Reale Avintia Academy 77 | KTM | 223.7 | 1’44.819 | 1.404 / 0.108 |
| 21 | 21 | Fabio DI GIANNANTONIO | ITA | Del Conca Gresini Moto3 | Honda | 226.4 | 1’44.841 | 1.426 / 0.022 |
| 22 | 7 | Adam NORRODIN | MAL | Petronas Sprinta Racing | Honda | 219 | 1’45.062 | 1.647 / 0.221 |
| 23 | 9 | Apiwath WONGTHANANON | THA | VR46 Master Camp Team | KTM | 219.8 | 1’45.120 | 1.705 / 0.058 |
| 24 | 75 | Albert ARENAS | SPA | Angel Nieto Team Moto3 | KTM | 218.4 | 1’45.264 | 1.849 / 0.144 |
| 25 | 16 | Andrea MIGNO | ITA | Angel Nieto Team Moto3 | KTM | 219 | 1’45.285 | 1.870 / 0.021 |
| 26 | 27 | Kaito TOBA | JPN | Honda Team Asia | Honda | 218.7 | 1’45.368 | 1.953 / 0.083 |
| 27 | 41 | Nakarin ATIRATPHUVAPAT | THA | Honda Team Asia | Honda | 219.7 | 1’45.451 | 2.036 / 0.083 |
| 28 | 52 | Jeremy ALCOBA | SPA | Estrella Galicia 0,0 | Honda | 213.3 | 1’45.462 | 2.047 / 0.011 |
| 29 | 72 | Alonso LOPEZ | SPA | Estrella Galicia 0,0 | Honda | 218.2 | 1’45.575 | 2.160 / 0.113 |
| 30 | 40 | Darryn BINDER | RSA | Red Bull KTM Ajo | KTM | 224.2 | 1’45.673 | 2.258 / 0.098 |
