MotoGP Second Free Practice Results Buriram Thailand Friday September 30
| P | Rider | Team | Km/h | Lap time | Gap 1st/Prev. |
|---|---|---|---|---|---|
| 1 | Johann Zarco | Pramac Racing | 337.5 | 01:30.281 | |
| 2 | Francesco Bagnaia | Ducati Lenovo | 336.4 | 01:30.299 | 0.018 / 0.018 |
| 3 | Jorge Martin | Pramac Racing | 333.3 | 01:30.471 | 0.190 / 0.172 |
| 4 | Luca Marini | Mooney VR46 Racing | 333.3 | 01:30.594 | 0.313 / 0.123 |
| 5 | Miguel Oliveira | Red Bull KTM | 330.2 | 01:30.608 | 0.327 / 0.014 |
| 6 | Marc Marquez | Repsol Honda | 333.3 | 01:30.714 | 0.433 / 0.106 |
| 7 | Aleix Espargaro | Aprilia Racing | 336.4 | 01:30.892 | 0.611 / 0.178 |
| 8 | Fabio Quartararo | Monster Energy Yamaha | 332.3 | 01:30.961 | 0.680 / 0.069 |
| 9 | Enea Bastianini | Gresini Racing | 334.3 | 01:30.963 | 0.682 / 0.002 |
| 10 | Marco Bezzecchi | Mooney VR46 Racing | 331.2 | 01:30.964 | 0.683 / 0.001 |
| 11 | Maverick Viñales | Aprilia Racing | 334.3 | 01:30.996 | 0.715 / 0.032 |
| 12 | Alex Rins | Suzuki Ecstar | 332.3 | 01:31.088 | 0.807 / 0.092 |
| 13 | Brad Binder | Red Bull KTM | 332.3 | 01:31.102 | 0.821 / 0.014 |
| 14 | Alex Marquez | LCR Honda Castrol | 332.3 | 01:31.113 | 0.832 / 0.011 |
| 15 | Fabio Di Giannantonio | Gresini Racing | 334.3 | 01:31.155 | 0.874 / 0.042 |
| 16 | Franco Morbidelli | Monster Energy Yamaha | 331.2 | 01:31.177 | 0.896 / 0.022 |
| 17 | Pol Espargaro | Repsol Honda | 331.2 | 01:31.308 | 1.027 / 0.131 |
| 18 | Jack Miller | Ducati Lenovo | 336.4 | 01:31.330 | 1.049 / 0.022 |
| 19 | Darryn Binder | WithU Yamaha RNF | 325.3 | 01:31.367 | 1.086 / 0.037 |
| 20 | Raul Fernandez | Tech 3 KTM | 331.2 | 01:31.390 | 1.109 / 0.023 |
| 21 | Cal Crutchlow | WithU Yamaha RNF | 328.2 | 01:31.651 | 1.370 / 0.261 |
| 22 | Tetsuta Nagashima^ | LCR Honda Idemitsu | 330.2 | 01:31.927 | 1.646 / 0.276 |
| 23 | Remy Gardner | Tech 3 KTM | 326.2 | 01:31.966 | 1.685 / 0.039 |
| 24 | Danilo Petrucci* | Suzuki Ecstar | 331.2 | 01:32.890 | 2.609 / 0.924 |
*Replaced Joan Mir for the Thai Grand Prix
^Replaced Takaaki Nakagami for the Thai Grand Prix