Hasil latihan bebas moto3 Italia 2018 sirkuit Mugello, 2 Juni 2018.
| Pos. | Num. | Pembalap | Negara | Tim | Motor | Km/h | Waktu | Gap 1st/Prev. |
| 1 | 88 | Jorge MARTIN | SPA | Del Conca Gresini Moto3 | Honda | 228.5 | 1’57.337 | |
| 2 | 12 | Marco BEZZECCHI | ITA | Redox PruestelGP | KTM | 237.4 | 1’57.367 | 0.030 / 0.030 |
| 3 | 16 | Andrea MIGNO | ITA | Angel Nieto Team Moto3 | KTM | 238.4 | 1’57.523 | 0.186 / 0.156 |
| 4 | 42 | Marcos RAMIREZ | SPA | Bester Capital Dubai | KTM | 236.3 | 1’57.657 | 0.320 / 0.134 |
| 5 | 84 | Jakub KORNFEIL | CZE | Redox PruestelGP | KTM | 241.3 | 1’57.684 | 0.347 / 0.027 |
| 6 | 33 | Enea BASTIANINI | ITA | Leopard Racing | Honda | 235.7 | 1’57.707 | 0.370 / 0.023 |
| 7 | 44 | Aron CANET | SPA | Estrella Galicia 0,0 | Honda | 237.7 | 1’57.735 | 0.398 / 0.028 |
| 8 | 21 | Fabio DI GIANNANTONIO | ITA | Del Conca Gresini Moto3 | Honda | 236.6 | 1’57.757 | 0.420 / 0.022 |
| 9 | 7 | Adam NORRODIN | MAL | Petronas Sprinta Racing | Honda | 237.6 | 1’57.774 | 0.437 / 0.017 |
| 10 | 8 | Nicolo BULEGA | ITA | SKY Racing Team VR46 | KTM | 238.3 | 1’57.805 | 0.468 / 0.031 |
| 11 | 23 | Niccolò ANTONELLI | ITA | SIC58 Squadra Corse | Honda | 238 | 1’57.909 | 0.572 / 0.104 |
| 12 | 5 | Jaume MASIA | SPA | Bester Capital Dubai | KTM | 236.7 | 1’58.051 | 0.714 / 0.142 |
| 13 | 75 | Albert ARENAS | SPA | Angel Nieto Team Moto3 | KTM | 240.3 | 1’58.127 | 0.790 / 0.076 |
| 14 | 10 | Dennis FOGGIA | ITA | SKY Racing Team VR46 | KTM | 239.2 | 1’58.312 | 0.975 / 0.185 |
| 15 | 48 | Lorenzo DALLA PORTA | ITA | Leopard Racing | Honda | 240.1 | 1’58.336 | 0.999 / 0.024 |
| 16 | 65 | Philipp OETTL | GER | Sudmetal Schedl GP Racing | KTM | 237.8 | 1’58.368 | 1.031 / 0.032 |
| 17 | 14 | Tony ARBOLINO | ITA | Marinelli Snipers Team | Honda | 239.6 | 1’58.393 | 1.056 / 0.025 |
| 18 | 11 | Livio LOI | BEL | Reale Avintia Academy | KTM | 237.2 | 1’58.700 | 1.363 / 0.307 |
| 19 | 22 | Kazuki MASAKI | JPN | RBA BOE Skull Rider | KTM | 241.1 | 1’58.814 | 1.477 / 0.114 |
| 20 | 40 | Darryn BINDER | RSA | Red Bull KTM Ajo | KTM | 236.7 | 1’58.853 | 1.516 / 0.039 |
| 21 | 41 | Nakarin ATIRATPHUVAPAT | THA | Honda Team Asia | Honda | 234.4 | 1’58.876 | 1.539 / 0.023 |
| 22 | 96 | Manuel PAGLIANI | ITA | Leopard Junior Team | Honda | 226.9 | 1’58.892 | 1.555 / 0.016 |
| 23 | 24 | Tatsuki SUZUKI | JPN | SIC58 Squadra Corse | Honda | 236 | 1’58.896 | 1.559 / 0.004 |
| 24 | 72 | Alonso LOPEZ | SPA | Estrella Galicia 0,0 | Honda | 232.9 | 1’58.919 | 1.582 / 0.023 |
| 25 | 17 | John MCPHEE | GBR | CIP – Green Power | KTM | 234.8 | 1’59.021 | 1.684 / 0.102 |
| 26 | 19 | Gabriel RODRIGO | ARG | RBA BOE Skull Rider | KTM | 239.4 | 1’59.028 | 1.691 / 0.007 |
| 27 | 76 | Makar YURCHENKO | KAZ | CIP – Green Power | KTM | 234.5 | 1’59.229 | 1.892 / 0.201 |
| 28 | 71 | Ayumu SASAKI | JPN | Petronas Sprinta Racing | Honda | 235.1 | 1’59.459 | 2.122 / 0.230 |
| 29 | 27 | Kaito TOBA | JPN | Honda Team Asia | Honda | 233.6 | 1’59.490 | 2.153 / 0.031 |
| 30 | 81 | Stefano NEPA | ITA | NRT Junior Team | KTM | 238.9 | 1’59.530 | 2.193 / 0.040 |
