Hasil latihan bebas 1 Moto3 Italia 2018, sirkuit Mugello Jumat 1 Juni 2018
| Pos. | Num. | Pembalap | Negara | Tim | Motor | Km/h | Waktu | Gap 1st/Prev. |
| 1 | 88 | Jorge MARTIN | SPA | Del Conca Gresini Moto3 | Honda | 235.1 | 1’58.078 | |
| 2 | 44 | Aron CANET | SPA | Estrella Galicia 0,0 | Honda | 235.6 | 1’58.364 | 0.286 / 0.286 |
| 3 | 65 | Philipp OETTL | GER | Sudmetal Schedl GP Racing | KTM | 238.3 | 1’58.479 | 0.401 / 0.115 |
| 4 | 16 | Andrea MIGNO | ITA | Angel Nieto Team Moto3 | KTM | 232.5 | 1’58.658 | 0.580 / 0.179 |
| 5 | 23 | Niccolò ANTONELLI | ITA | SIC58 Squadra Corse | Honda | 237.1 | 1’58.843 | 0.765 / 0.185 |
| 6 | 17 | John MCPHEE | GBR | CIP – Green Power | KTM | 235 | 1’58.988 | 0.910 / 0.145 |
| 7 | 12 | Marco BEZZECCHI | ITA | Redox PruestelGP | KTM | 233.1 | 1’59.001 | 0.923 / 0.013 |
| 8 | 21 | Fabio DI GIANNANTONIO | ITA | Del Conca Gresini Moto3 | Honda | 232.6 | 1’59.033 | 0.955 / 0.032 |
| 9 | 8 | Nicolo BULEGA | ITA | SKY Racing Team VR46 | KTM | 236.4 | 1’59.150 | 1.072 / 0.117 |
| 10 | 84 | Jakub KORNFEIL | CZE | Redox PruestelGP | KTM | 234 | 1’59.336 | 1.258 / 0.186 |
| 11 | 11 | Livio LOI | BEL | Reale Avintia Academy | KTM | 234.4 | 1’59.424 | 1.346 / 0.088 |
| 12 | 76 | Makar YURCHENKO | KAZ | CIP – Green Power | KTM | 233.1 | 1’59.456 | 1.378 / 0.032 |
| 13 | 10 | Dennis FOGGIA | ITA | SKY Racing Team VR46 | KTM | 239.8 | 1’59.517 | 1.439 / 0.061 |
| 14 | 24 | Tatsuki SUZUKI | JPN | SIC58 Squadra Corse | Honda | 236.4 | 1’59.649 | 1.571 / 0.132 |
| 15 | 33 | Enea BASTIANINI | ITA | Leopard Racing | Honda | 233.2 | 1’59.657 | 1.579 / 0.008 |
| 16 | 40 | Darryn BINDER | RSA | Red Bull KTM Ajo | KTM | 236.7 | 1’59.668 | 1.590 / 0.011 |
| 17 | 19 | Gabriel RODRIGO | ARG | RBA BOE Skull Rider | KTM | 233 | 1’59.705 | 1.627 / 0.037 |
| 18 | 27 | Kaito TOBA | JPN | Honda Team Asia | Honda | 237.8 | 1’59.810 | 1.732 / 0.105 |
| 19 | 14 | Tony ARBOLINO | ITA | Marinelli Snipers Team | Honda | 235.3 | 1’59.873 | 1.795 / 0.063 |
| 20 | 75 | Albert ARENAS | SPA | Angel Nieto Team Moto3 | KTM | 232.7 | 1’59.956 | 1.878 / 0.083 |
| 21 | 48 | Lorenzo DALLA PORTA | ITA | Leopard Racing | Honda | 233.9 | 2’00.004 | 1.926 / 0.048 |
| 22 | 71 | Ayumu SASAKI | JPN | Petronas Sprinta Racing | Honda | 230.6 | 2’00.029 | 1.951 / 0.025 |
| 23 | 7 | Adam NORRODIN | MAL | Petronas Sprinta Racing | Honda | 236.3 | 2’00.067 | 1.989 / 0.038 |
| 24 | 5 | Jaume MASIA | SPA | Bester Capital Dubai | KTM | 235.2 | 2’00.070 | 1.992 / 0.003 |
| 25 | 22 | Kazuki MASAKI | JPN | RBA BOE Skull Rider | KTM | 229.3 | 2’00.112 | 2.034 / 0.042 |
| 26 | 42 | Marcos RAMIREZ | SPA | Bester Capital Dubai | KTM | 241.2 | 2’00.204 | 2.126 / 0.092 |
| 27 | 96 | Manuel PAGLIANI | ITA | Leopard Junior Team | Honda | 233.9 | 2’00.577 | 2.499 / 0.373 |
| 28 | 41 | Nakarin ATIRATPHUVAPAT | THA | Honda Team Asia | Honda | 233.5 | 2’00.699 | 2.621 / 0.122 |
| 29 | 72 | Alonso LOPEZ | SPA | Estrella Galicia 0,0 | Honda | 229.3 | 2’01.081 | 3.003 / 0.382 |
| 30 | 81 | Stefano NEPA | ITA | NRT Junior Team | KTM | 234.4 | 2’01.585 | 3.507 / 0.504 |
