DRAGON Ryuji Kumita Qualifying Lap Time Records
| Lap Time | Racing Team | Racing Circuit | Race Car Model | Race Car Level | Year / Racing Series |
|---|---|---|---|---|---|
| 01:34.752 | Sportsland Sugo | Other MCS4-24 | Formula | 2025 F4 Japanese Championship | |
| 01:34.859 | Sportsland Sugo | Other MCS4-24 | Formula | 2025 F4 Japanese Championship | |
| 01:48.050 | Fuji International Speedway Circuit | Other MCS4-24 | Formula | 2025 F4 Japanese Championship | |
| 01:48.362 | Fuji International Speedway Circuit | Other MCS4-24 | Formula | 2025 F4 Japanese Championship | |
| 02:10.928 | Suzuka Circuit | Other MCS4-24 | Formula | 2025 F4 Japanese Championship | |
| 02:11.526 | Suzuka Circuit | Other MCS4-24 | Formula | 2025 F4 Japanese Championship |