Challenge BIG Free Practice 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 | 64 | Challenge BIG | 1 | Shinji Tanaka | Yamaha YZF-R6 | Iwatsuki Racing Team | 56.267 | 80.87km/h | 9/11 | ||
| 2 | 24 | Challenge BIG | 2 | Makoto Shimizu | Ducati Monster 696 | Tentacles | 57.150 | 0.883 | 0.883 | 5/7 | |
| 3 | 51 | Challenge Unlimited | 1 | Norio Kanauchi | Honda CBR600RR | ARK motorcycle | 1'01.437 | 5.170 | 4.287 | 3/10 | |
| 4 | 11 | Challenge BIG | 3 | Takahiro Shimada | Honda CBR600RR | Team FCC | 1'03.255 | 6.988 | 1.818 | 10/10 |
