Challenge 4 Time Attack 1st Round Results Table
DATE:2017-11-19 WEATHER: Fine COURSE: Dry International South Course 1.264km
| Pos. | No. | Rider | Type | Team | Time | Delay | Gap | Lap | |
| 1 | 16 | Yudai Suzuki | Honda CBR250R | Grip + Asahi Higashi Junior High School 2nd Year | 59.156 | 76.92km/h | 24/25 | ||
| 2 | 29 | Kou Nakamura | Honda CBR250R | Lino Solana | 59.873 | 0.717 | 0.717 | 23/23 | |
| 3 | 52 | Koji Yagi | Honda CBR250R | Tsubaki Racing | 1'00.731 | 1.575 | 0.858 | 23/23 | |
| 4 | 7 | Masaki Oka | Yamaha YZF-R25 | OYJ (Old Man) Racing | 1'00.785 | 1.629 | 0.054 | 21/24 | |
| 5 | 54 | Subaru Nakajima | Honda CBR250R | JuniorITALTRANS | 1'00.918 | 1.762 | 0.133 | 14/22 | |
| 6 | 4 | Ryo Sekiguchi | Kawasaki Ninja 250SL | Aggressive Section | 1'01.672 | 2.516 | 0.754 | 17/24 | |
| 7 | 62 | Takahiro Kawashima | Yamaha YZF-R25 | OYJ Racing | 1'01.752 | 2.596 | 0.080 | 22/23 | |
| 8 | 45 | Kei Miyata | Honda CRF250X | Club Selection | 1'02.071 | 2.915 | 0.319 | 5/12 | |
| 9 | 15 | Tsunekazu Asai | Kawasaki Ninja 250SL | Aggressive Section | 1'02.624 | 3.468 | 0.553 | 21/21 | |
| 10 | 77 | Megumi Mukoyama | Honda CBR250R | Team Moto Crash | 1'02.948 | 3.792 | 0.324 | 22/23 | |
| 11 | 27 | Hiroto Motegi | Honda CBR250R | N.R.S+ Iga Hakuhou High School | 1'02.966 | 3.810 | 0.018 | 21/22 | |
| 12 | 46 | Toru Fujita | Honda CBR250RR | CLUB Moto Lab EJ | 1'03.104 | 3.948 | 0.138 | 21/23 | |
| 13 | 1 | Koji Kuribayashi | Honda CBR250RR | RC Motolab EJ | 1'04.724 | 5.568 | 1.620 | 19/22 | |
| 14 | 22 | Yuji Yamada | Yamaha YZ250FX | Phantom Chick Group | 1'04.951 | 5.795 | 0.227 | 4/13 | |
| 15 | 17 | Yamada Mana | Kawasaki Ninja 250 | Rider House Miyajima Hiyoko Group | 1'09.892 | 10.736 | 4.941 | 10/14 | |
| 39 | Hayashi Shosaku | Kawasaki Ninja 250SL | Tentacles Esport | Did not start |
