1st Free Practice
vendredi 17 mai 2019, 10h55 GMT – 11h35 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Andrea Locatelli | Italtrans Racing Team | 1′ 36.894″ |
| 2 | Marcel Schrötter | Liqui Moly Intact GP | + 0.135″ |
| 3 | Brad Binder | Red Bull KTM Ajo | + 0.216″ |
| 4 | Sam Lowes | Federal Oil Gresini Moto2 | + 0.256″ |
| 5 | Remy Gardner | Pertamina Mandalika SAG Team | + 0.272″ |
| 6 | Nicolò Bulega | SKY Racing Team VR46 | + 0.336″ |
| 7 | Mattia Pasini | Petronas Sprinta Racing | + 0.411″ |
| 8 | Thomas Lüthi | Liqui Moly Intact GP | + 0.452″ |
| 9 | Lorenzo Baldassarri | Flexbox HP40 | + 0.458″ |
| 10 | Álex Márquez | Elf Marc VDS Racing Team | + 0.471″ |
| 11 | Bo Bendsneyder | NTS RW Racing GP | + 0.518″ |
| 12 | Jorge Martín | Red Bull KTM Ajo | + 0.556″ |
| 13 | Iker Lecuona | American Racing | + 0.607″ |
| 14 | Jorge Navarro | +EGO Speed Up | + 0.627″ |
| 15 | Enea Bastianini | Italtrans Racing Team | + 0.684″ |
| 16 | Simone Corsi | Tasca Racing Scuderia Moto2 | + 0.695″ |
| 17 | Augusto Fernández | Flexbox HP40 | + 0.735″ |
| 18 | Fabio Di Giannantonio | +EGO Speed Up | + 0.782″ |
| 19 | Tetsuta Nagashima | Pertamina Mandalika SAG Team | + 1.203″ |
| 20 | Somkiat Chantra | IDEMITSU Honda Team Asia | + 1.254″ |
| 21 | Xavi Vierge | Elf Marc VDS Racing Team | + 1.307″ |
| 22 | Luca Marini | SKY Racing Team VR46 | + 1.356″ |
| 23 | Dominique Aegerter | MV Agusta Forward Racing | + 1.503″ |
| 24 | Steven Odendaal | NTS RW Racing GP | + 1.555″ |
| 25 | Joe Roberts | American Racing | + 1.657″ |
| 26 | Stefano Manzi | MV Agusta Forward Racing | + 1.7″ |
| 27 | Marco Bezzecchi | Tech3 KTM Factory Racing | + 2.093″ |
| 28 | Philipp Öttl | Tech3 KTM Factory Racing | + 2.377″ |
| 29 | [deleted] [deleted] | Kipin Energy Aspar Team | + 2.425″ |
| 30 | Lukas Tulovic | Kiefer Racing | + 2.722″ |
| 31 | Dimas Ekky Pratama | IDEMITSU Honda Team Asia | + 3.853″ |
| 32 | Xavi Cardelús | Kipin Energy Aspar Team | + 4″ |