| # | Driver | Laps | Time | Best |
|---|---|---|---|---|
| 1 | 1JERAWAT Y._G | 15 | 5:09.965 | 20.253 |
| 2 | 2SANTIRAT P. | 15 | 5:15.756 | 20.260 |
| 3 | 5PUBETH C | 15 | 5:17.906 | 20.653 |
| 4 | 10PACHARAPHUM AIM | 14 | 5:00.207 | 19.917 |
| 5 | 9PRASARNPONG P. | 14 | 5:02.625 | 19.929 |
| 6 | 6SURASAK SAK | 14 | 5:06.599 | 20.109 |
| 7 | 4SUTEERAPONG S. | 14 | 5:12.548 | 20.528 |
| 8 | 7PANON BOWONRATTAKUL | 14 | 5:15.221 | 21.004 |
| 9 | CHOLNAPAT L. | — | — | — |
| 10 | TEERAVEE P. | — | — | — |