Rn-sports MCS4 Qualifying Lap Time Records
| Lap Time | Racing Driver | Racing Circuit | Race Car Model | Race Car Level | Year / Racing Series |
|---|---|---|---|---|---|
| 01:35.039 | Sportsland Sugo | Other MCS4-24 | Formula | 2025 F4 Japanese Championship | |
| 01:35.083 | Sportsland Sugo | Other MCS4-24 | Formula | 2025 F4 Japanese Championship | |
| 02:11.239 | Suzuka Circuit | Other MCS4-24 | Formula | 2025 F4 Japanese Championship | |
| 02:11.677 | Suzuka Circuit | Other MCS4-24 | Formula | 2025 F4 Japanese Championship |