Challenge Mini Free Practice Results
DATE:2017-09-24 WEATHER: Fine COURSE: Dry International South Course 1.264km
| Pos. | No. | Rider | Type | Team | Time | Delay | Gap | Lap | |
| 1 | 2 | Ryota Ochi | Honda NSF100 | Mizumoto Racing + Speed Heart | 1'02.353 | 72.98km/h | 4/5 | ||
| 2 | 4 | Tomokazu Washizaka | Honda Ape | Mizumoto Racing | 1'03.292 | 0.939 | 0.939 | 3/7 | |
| 3 | 88 | Seiji Kanda | Honda NSF125 | T. Motokids Oyster Modification | 1'03.468 | 1.115 | 0.176 | 4/6 | |
| 4 | 17 | Shogo Azai | Honda NSF100 | T. Motokids | 1'05.202 | 2.849 | 1.734 | 7/9 | |
| 5 | 87 | En Sawada | Honda Ape | Team SAKURA | 1'06.099 | 3.746 | 0.897 | 9/9 | |
| 6 | 15 | Katsumasa Hashizume | Honda NSF100 | JuniorITALTRANS | 1'06.957 | 4.604 | 0.858 | 3/3 | |
| 7 | 28 | Gai Shin Okunaka | Honda NSF100 | N.R.S+TSUMIE | 1'07.606 | 5.253 | 0.649 | 8/9 | |
| 8 | 7 | Maki Igarashi | Honda NSF100 | Good for Couples | 1'08.030 | 5.677 | 0.424 | 8/9 | |
| 9 | 12 | Hiroshi Osugi | Honda Ape | Gourmet & Holeshot | 1'08.211 | 5.858 | 0.181 | 4/7 | |
| 10 | 18 | Tatsuya Ozawa | Honda NSR50 | de"LIGHT T&M | 1'08.568 | 6.215 | 0.357 | 3/8 | |
| 11 | 32 | Yasushi Tokuda | Honda NSR50 | CLUB Moto Lab EJ | 1'08.716 | 6.363 | 0.148 | 9/9 | |
| 12 | 95 | Mie Naruse | Honda NSF100 | de"LIGHT T&M | 1'13.195 | 10.842 | 4.479 | 7/8 | |
| 13 | 1 | Junji Yamada | Kawasaki Z125 | Chick Group | 1'17.003 | 14.650 | 3.808 | 3/5 | |
| 14 | 725 | Kira Yanase | Honda CRF85 | SEED & Crops Crew | 1'21.912 | 19.559 | 4.909 | 7/7 |
