Challenge 3-4 Time Attack 1st 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 | 47 | Challenge 4 | 1 | Suzuka Circuit | Kawasaki Ninja250 | Kamikaze Racing | 58.547 | 77.72km/h | 7/15 | ||
| 2 | 28 | Challenge 3 | 1 | Naoyuki Shibata | Kawasaki Ninja400 | TEAM8stroke Toyohashi | 59.090 | 0.543 | 0.543 | 6/11 | |
| 3 | 4 | Challenge 4 | 2 | Sekiuchi Satoru | Kawasaki Ninja250SL | AGGRESSI Department | 59.961 | 1.414 | 0.871 | 5/14 | |
| 4 | 6 | Challenge 4 | 3 | Nasu Koyoichiro | Honda CBR250R | Team FCC | 1'00.450 | 1.903 | 0.489 | 11/14 | |
| 5 | 1 | Challenge 4 | 4 | Koji Kuribayashi | Honda CBR250RR | CLUB Motor Lab EJ | 1'01.345 | 2.798 | 0.895 | 7/11 | |
| 6 | 724 | Challenge 3 | 2 | Toru Arimura | Honda NSR250R | Team Arimura | 1'01.714 | 3.167 | 0.369 | 11/14 | |
| 7 | 69 | Challenge 3 | 3 | Shingi Tada | Kawasaki Ninja250R | club『69』 | 1'01.740 | 3.193 | 0.026 | 8/15 | |
| 8 | 22 | Challenge 4 | 5 | Yusuke Yamada | Yamaha yz250fx | PHANTOM Chick Group | 1'02.111 | 3.564 | 0.371 | 14/14 | |
| 9 | 5 | Challenge 3 | 4 | Hironori Ito | Honda NSR250R | Chito Racing | 1'02.249 | 3.702 | 0.138 | 14/14 | |
| 10 | 17 | Challenge 4 | 6 | Yamada Tama | Kawasaki Ninja250 | Rider House Miyajima Hiyoko Group | 1'02.910 | 4.363 | 0.661 | 11/12 | |
| 11 | 66 | Challenge 4 | 7 | Akihiro Fujii | Kawasaki Ninja250 | CLUB Motor Lab EJ | 1'03.214 | 4.667 | 0.304 | 11/14 |
