Challenge Mini Free Practice Results Table
DATE: 2018-04-08 WEATHER: Fine COURSE: Dry International South Course 1.264km
| Pos. | No. | Rider | Type | Team | Time | Delay | Gap | Lap | |
| 1 | 4 | Tomokazu Washizaka | Honda Ape100 | Mizumoto Racing | 1'05.569 | 69.40km/h | 5/6 | ||
| 2 | 87 | En Sawada | Honda Ape100 | Team SAKURA | 1'08.461 | 2.892 | 2.892 | 6/9 | |
| 3 | 99 | Daijiro Harino | Honda NSF100 | YsFactoryRacing | 1'08.618 | 3.049 | 0.157 | 9/9 | |
| 4 | 39 | Umi Okamura | Honda NSF100 | FLEX RACING | 1'09.779 | 4.210 | 1.161 | 8/8 | |
| 5 | 28 | Gai Shin Okunaka | Honda NSF100 | N.R.S+tsumie | 1'10.049 | 4.480 | 0.270 | 7/8 | |
| 6 | 19 | Takeshi Inagaki | Honda XR100Motard | CLUB Moto Lab EJ | 1'10.263 | 4.694 | 0.214 | 8/8 | |
| 7 | 32 | Yasushi Tokuda | Honda NSR50 | CLUB Motolabo EJ | 1'10.974 | 5.405 | 0.711 | 6/7 | |
| 8 | 3 | Tetsuhiko Yama | Honda NSF100 | CLUB Moto Lab EJ | 1'12.588 | 7.019 | 1.614 | 7/8 | |
| 9 | 95 | Mie Naruse | Honda NSF100 | de"LIGHT T&M | 1'14.893 | 9.324 | 2.305 | 7/7 | |
| 10 | 89 | Isikawa Kouma | Honda NSF100 | BIKE・KOZO Racing | 1'20.392 | 14.823 | 5.499 | 2/2 | |
| 11 | 66 | Shoyuki Fujii | Honda Ape100 | CLUB Moto Lab EJ | 1'26.000 | 20.431 | 5.608 | 4/7 | |
| 7 | Maki Igarashi | Honda NSF100 | Good for Couples | Did not start | |||||
| 11 | Nobuji Kato | Honda NSR50 | HANDA Racing | Did not start | |||||
| 38 | Ryosuke Yamashita | Honda TZM50R | HANDA Racing | Did not start |
