Grant Supaphong GTC 2021 Qualifying Lap Time Records
| Lap Time | Racing Team | Racing Circuit | Race Car Model | Race Car Level | Year / Racing Series |
|---|---|---|---|---|---|
| 01:40.849 | Chang International Circuit | Porsche 991.1 GT3 Cup | GTC | 2021 Thailand Super Series | |
| 01:41.554 | Chang International Circuit | Porsche 991.1 GT3 Cup | GTC | 2021 Thailand Super Series | |
| 01:42.019 | Chang International Circuit | Porsche 991.1 GT3 Cup | GTC | 2021 Thailand Super Series |