KUMAGAI KENTA Mga Rekord ng Oras ng Qualifying Lap
| Oras ng Pag-ikot | Pangkat ng Karera | Sirkito ng Karera | Modelo ng Sasakyang Panlaban | Antas ng Sasakyan sa Karera | Taon / Serye ng Karera |
|---|---|---|---|---|---|
| 01:32.893 | Sportsland Sugo | Other MCS4-24 | Formula | 2025 F4 Japanese Championship | |
| 01:33.114 | Sportsland Sugo | Other MCS4-24 | Formula | 2025 F4 Japanese Championship | |
| 01:47.140 | Fuji International Speedway Circuit | Other MCS4-24 | Formula | 2025 F4 Japanese Championship | |
| 01:47.382 | Fuji International Speedway Circuit | Other MCS4-24 | Formula | 2025 F4 Japanese Championship | |
| 02:08.443 | Suzuka Circuit | Other MCS4-24 | Formula | 2025 F4 Japanese Championship | |
| 02:08.570 | Suzuka Circuit | Other MCS4-24 | Formula | 2025 F4 Japanese Championship |