Challenge 3・4 Time Attack 2nd Round Results
DATE:2018-09-02 WEATHER: Fine COURSE: Dry International South Course 1.264km
| Pos. | No. | Cls. | Rider | Type | Team | Time | Delay | Gap | Lap | ||
| 1 | 28 | Challenge 3 | 1 | Naoyuki Shibata | Kawasaki Ninja400 | TEAM8stroke Toyohashi | 58.878 | 77.29km/h | 5/12 | ||
| 2 | 47 | Challenge 4 | 1 | Suzuka Circuit | Kawasaki Ninja250 | Kamikaze Racing | 58.979 | 0.101 | 0.101 | 7/15 | |
| 3 | 4 | Challenge 4 | 2 | Sekiuchi Satoru | Kawasaki Ninja250SL | AGGRESSI Department | 1'00.106 | 1.228 | 1.127 | 10/15 | |
| 4 | 1 | Challenge 4 | 3 | Koji Kuribayashi | Honda CBR250RR | CLUB Motor Lab EJ | 1'00.966 | 2.088 | 0.860 | 15/15 | |
| 5 | 6 | Challenge 4 | 4 | Nasu Koyoichiro | Honda CBR250R | Team FCC | 1'01.075 | 2.197 | 0.109 | 10/11 | |
| 6 | 69 | Challenge 3 | 2 | Shingi Tada | Kawasaki Ninja250R | club『69』 | 1'01.564 | 2.686 | 0.489 | 12/14 | |
| 7 | 724 | Challenge 3 | 3 | Toru Arimura | Honda NSR250R | Team Arimura | 1'02.053 | 3.175 | 0.489 | 12/14 | |
| 8 | 22 | Challenge 4 | 5 | Yusuke Yamada | Yamaha yz250fx | PHANTOM Chick Group | 1'02.272 | 3.394 | 0.219 | 9/15 | |
| 9 | 17 | Challenge 4 | 6 | Yamada Tama | Kawasaki Ninja250 | Rider House Miyajima Hiyoko Group | 1'03.078 | 4.200 | 0.806 | 13/13 | |
| 10 | 5 | Challenge 3 | 4 | Hironori Ito | Honda NSR250R | Chito Racing | 1'03.188 | 4.310 | 0.110 | 6/14 | |
| 11 | 66 | Challenge 4 | 7 | Akihiro Fujii | Kawasaki Ninja250 | CLUB Motor Lab EJ | 1'04.243 | 5.365 | 1.055 | 9/14 |
