Hasil Latihan Bebas 2 Moto3 Brno Ceko 2018, Jumat 3 Agustus 2018 :
| Pos. | Num. | Pembalap | Negara | Tim | Motor | Km/h | Waktu | Gap 1st/Prev. |
| 1 | 22 | Kazuki MASAKI | JPN | RBA BOE Skull Rider | KTM | 218.8 | 2’09.288 | |
| 2 | 44 | Aron CANET | SPA | Estrella Galicia 0,0 | Honda | 214.8 | 2’09.331 | 0.043 / 0.043 |
| 3 | 8 | Nicolo BULEGA | ITA | SKY Racing Team VR46 | KTM | 221.8 | 2’09.344 | 0.056 / 0.013 |
| 4 | 48 | Lorenzo DALLA PORTA | ITA | Leopard Racing | Honda | 222.4 | 2’09.383 | 0.095 / 0.039 |
| 5 | 21 | Fabio DI GIANNANTONIO | ITA | Del Conca Gresini Moto3 | Honda | 216.4 | 2’09.510 | 0.222 / 0.127 |
| 6 | 7 | Adam NORRODIN | MAL | Petronas Sprinta Racing | Honda | 220.2 | 2’09.520 | 0.232 / 0.010 |
| 7 | 19 | Gabriel RODRIGO | ARG | RBA BOE Skull Rider | KTM | 217.5 | 2’09.580 | 0.292 / 0.060 |
| 8 | 27 | Kaito TOBA | JPN | Honda Team Asia | Honda | 217.6 | 2’09.795 | 0.507 / 0.215 |
| 9 | 84 | Jakub KORNFEIL | CZE | Redox PruestelGP | KTM | 217 | 2’09.832 | 0.544 / 0.037 |
| 10 | 65 | Philipp OETTL | GER | Sudmetal Schedl GP Racing | KTM | 216.5 | 2’09.890 | 0.602 / 0.058 |
| 11 | 16 | Andrea MIGNO | ITA | Angel Nieto Team Moto3 | KTM | 213.6 | 2’09.969 | 0.681 / 0.079 |
| 12 | 12 | Marco BEZZECCHI | ITA | Redox PruestelGP | KTM | 223.6 | 2’09.977 | 0.689 / 0.008 |
| 13 | 72 | Alonso LOPEZ | SPA | Estrella Galicia 0,0 | Honda | 216.3 | 2’09.990 | 0.702 / 0.013 |
| 14 | 42 | Marcos RAMIREZ | SPA | Bester Capital Dubai | KTM | 219.7 | 2’10.041 | 0.753 / 0.051 |
| 15 | 24 | Tatsuki SUZUKI | JPN | SIC58 Squadra Corse | Honda | 213.6 | 2’10.044 | 0.756 / 0.003 |
| 16 | 75 | Albert ARENAS | SPA | Angel Nieto Team Moto3 | KTM | 218.4 | 2’10.051 | 0.763 / 0.007 |
| 17 | 23 | Niccolò ANTONELLI | ITA | SIC58 Squadra Corse | Honda | 215.2 | 2’10.058 | 0.770 / 0.007 |
| 18 | 17 | John MCPHEE | GBR | CIP – Green Power | KTM | 221.7 | 2’10.062 | 0.774 / 0.004 |
| 19 | 10 | Dennis FOGGIA | ITA | SKY Racing Team VR46 | KTM | 219.3 | 2’10.148 | 0.860 / 0.086 |
| 20 | 33 | Enea BASTIANINI | ITA | Leopard Racing | Honda | 217.4 | 2’10.203 | 0.915 / 0.055 |
| 21 | 5 | Jaume MASIA | SPA | Bester Capital Dubai | KTM | 215.6 | 2’10.416 | 1.128 / 0.213 |
| 22 | 71 | Ayumu SASAKI | JPN | Petronas Sprinta Racing | Honda | 221.8 | 2’10.461 | 1.173 / 0.045 |
| 23 | 14 | Tony ARBOLINO | ITA | Marinelli Snipers Team | Honda | 220.1 | 2’10.506 | 1.218 / 0.045 |
| 24 | 40 | Darryn BINDER | RSA | Red Bull KTM Ajo | KTM | 217.2 | 2’10.757 | 1.469 / 0.251 |
| 25 | 15 | Filip SALAC | CZE | Cuna de Campeones Czech Talent | KTM | 220.7 | 2’10.876 | 1.588 / 0.119 |
| 26 | 81 | Stefano NEPA | ITA | CIP – Green Power | KTM | 219.7 | 2’11.254 | 1.966 / 0.378 |
| 27 | 41 | Nakarin ATIRATPHUVAPAT | THA | Honda Team Asia | Honda | 217 | 2’11.598 | 2.310 / 0.344 |
| 28 | 77 | Vicente PEREZ | SPA | Reale Avintia Academy 77 | KTM | 221.4 | 2’11.896 | 2.608 / 0.298 |
| 88 | Jorge MARTIN | SPA | Del Conca Gresini Moto3 | Honda |
