Hasil Latihan Bebas 2 Moto3 Aragon Spanyol, Alcañiz 21 September 2018 :
| Pos. | Num. | Pembalap | Negara | Tim | Motor | Km/h | Waktu | Gap 1st/Prev. |
| 1 | 33 | Enea BASTIANINI | ITA | Leopard Racing | Honda | 237.2 | 1’58.418 | |
| 2 | 19 | Gabriel RODRIGO | ARG | RBA BOE Skull Rider | KTM | 233.7 | 1’58.653 | 0.235 / 0.235 |
| 3 | 8 | Nicolo BULEGA | ITA | SKY Racing Team VR46 | KTM | 234.3 | 1’58.798 | 0.380 / 0.145 |
| 4 | 88 | Jorge MARTIN | SPA | Del Conca Gresini Moto3 | Honda | 226.7 | 1’58.804 | 0.386 / 0.006 |
| 5 | 23 | Niccolò ANTONELLI | ITA | SIC58 Squadra Corse | Honda | 231.1 | 1’58.937 | 0.519 / 0.133 |
| 6 | 44 | Aron CANET | SPA | Estrella Galicia 0,0 | Honda | 231.4 | 1’58.963 | 0.545 / 0.026 |
| 7 | 48 | Lorenzo DALLA PORTA | ITA | Leopard Racing | Honda | 236.2 | 1’59.003 | 0.585 / 0.040 |
| 8 | 22 | Kazuki MASAKI | JPN | RBA BOE Skull Rider | KTM | 232.8 | 1’59.127 | 0.709 / 0.124 |
| 9 | 12 | Marco BEZZECCHI | ITA | Redox PruestelGP | KTM | 230.8 | 1’59.287 | 0.869 / 0.160 |
| 10 | 17 | John MCPHEE | GBR | CIP – Green Power | KTM | 238.4 | 1’59.352 | 0.934 / 0.065 |
| 11 | 5 | Jaume MASIA | SPA | Bester Capital Dubai | KTM | 233.7 | 1’59.469 | 1.051 / 0.117 |
| 12 | 65 | Philipp OETTL | GER | Sudmetal Schedl GP Racing | KTM | 234.9 | 1’59.503 | 1.085 / 0.034 |
| 13 | 21 | Fabio DI GIANNANTONIO | ITA | Del Conca Gresini Moto3 | Honda | 228.3 | 1’59.561 | 1.143 / 0.058 |
| 14 | 75 | Albert ARENAS | SPA | Angel Nieto Team Moto3 | KTM | 227.9 | 1’59.635 | 1.217 / 0.074 |
| 15 | 84 | Jakub KORNFEIL | CZE | Redox PruestelGP | KTM | 231.5 | 1’59.649 | 1.231 / 0.014 |
| 16 | 7 | Adam NORRODIN | MAL | Petronas Sprinta Racing | Honda | 231.8 | 1’59.667 | 1.249 / 0.018 |
| 17 | 16 | Andrea MIGNO | ITA | Angel Nieto Team Moto3 | KTM | 233.5 | 1’59.759 | 1.341 / 0.092 |
| 18 | 24 | Tatsuki SUZUKI | JPN | SIC58 Squadra Corse | Honda | 230.7 | 1’59.857 | 1.439 / 0.098 |
| 19 | 14 | Tony ARBOLINO | ITA | Marinelli Snipers Team | Honda | 235 | 1’59.903 | 1.485 / 0.046 |
| 20 | 25 | Raul FERNANDEZ | SPA | Angel Nieto Team | KTM | 232.2 | 2’00.113 | 1.695 / 0.210 |
| 21 | 42 | Marcos RAMIREZ | SPA | Bester Capital Dubai | KTM | 235.4 | 2’00.147 | 1.729 / 0.034 |
| 22 | 81 | Stefano NEPA | ITA | CIP – Green Power | KTM | 229.5 | 2’00.160 | 1.742 / 0.013 |
| 23 | 52 | Jeremy ALCOBA | SPA | Junior Team Estrella Galicia 0,0 | Honda | 227.8 | 2’00.534 | 2.116 / 0.374 |
| 24 | 10 | Dennis FOGGIA | ITA | SKY Racing Team VR46 | KTM | 234.4 | 2’00.648 | 2.230 / 0.114 |
| 25 | 40 | Darryn BINDER | RSA | Red Bull KTM Ajo | KTM | 232 | 2’00.670 | 2.252 / 0.022 |
| 26 | 72 | Alonso LOPEZ | SPA | Estrella Galicia 0,0 | Honda | 232.3 | 2’01.261 | 2.843 / 0.591 |
| 27 | 41 | Nakarin ATIRATPHUVAPAT | THA | Honda Team Asia | Honda | 228 | 2’01.584 | 3.166 / 0.323 |
| 28 | 77 | Vicente PEREZ | SPA | Reale Avintia Academy 77 | KTM | 230.8 | 2’01.797 | 3.379 / 0.213 |
| 29 | 27 | Kaito TOBA | JPN | Honda Team Asia | Honda | 232 | 2’02.181 | 3.763 / 0.384 |