ARTA Commer 80 Official Practice Results (UNOFFICIAL)
DATE:2007-10-21 WEATHER : Fine COURSE : Dry International South Course
| Pos. | No. | Driver | Type | Tire | Team | Time | Delay | Gap | Lap |
| 1 | 1 | Masaki Chiba | BIREL/Comer | BS | BEMAX RACING | 1'01.902 | 73.51km/h | 7/7 | |
| 2 | 4 | Yuuya Hiraki | ZANARDI/Comer | BS | K.SPEED WIN | 1'02.130 | 0.228 | 0.228 | 7/7 |
| 3 | 5 | Reiji Hiraki | ZANARDI/Comer | BS | K.SPEED WIN | 1'02.271 | 0.369 | 0.141 | 5/7 |
| 4 | 6 | Ryunosuke Saito | KOSMIC/Comer | BS | KBF New Tokyo & Power Works | 1'02.322 | 0.420 | 0.051 | 7/7 |
| 5 | 2 | Kazuto Odaka | TONY KART/Comer | BS | Vittoria Sport | 1'02.382 | 0.480 | 0.060 | 7/7 |
| 6 | 11 | Musashi Tanaka | BIREL/Comer | BS | T.KBF | 1'02.427 | 0.525 | 0.045 | 7/7 |
| 7 | 3 | Haruna Sakaguchi | CRG/Comer | BS | Aki Land R | 1'02.718 | 0.816 | 0.291 | 4/6 |
| 8 | 7 | Tomoki Fujiie | CRG/Comer | BS | TEAM KEIN'S | 1'02.771 | 0.869 | 0.053 | 7/7 |
| 9 | 12 | Rei Suzuki | BIREL/Comer | BS | T.KBF | 1'03.479 | 1.577 | 0.708 | 7/7 |
| 10 | 9 | Yusaku Nishioka | CRG/Comer | BS | Vittoria Sport | 1'03.689 | 1.787 | 0.210 | 6/6 |
| 11 | 8 | Kazuyoshi Kadooka | TONY KART/Comer | BS | Trentaquattro Kyoto | 1'03.917 | 2.015 | 0.228 | 5/7 |
