Challenge BIG Time Attack Round 1 Results
DATE:2019-03-17 WEATHER: Rain COURSE: Wet International South Course 1.264km
| Pos. | No. | Cls. | Rider | Type | Team | Time | Delay | Gap | Lap | ||
| 1 | 21 | Challenge Unlimited | 1 | Hiroyuki Nipura | Honda/CRF450R | 1'02.178 | 73.18km/h | 4/5 | |||
| 2 | 76 | Challenge Unlimited | 2 | Tetsu Nakao | Honda/CBR600RR | Rider House Miyajima | 1'10.943 | 8.765 | 8.765 | 3/4 | |
| 3 | 88 | Challenge Unlimited | 3 | Takata Kikuchi | Honda/CRF450R | Moto Step RT Selection | 1'11.448 | 9.270 | 0.505 | 4/5 | |
| 4 | 39 | Challenge Unlimited | 4 | Hiroaki Sakurai | Honda/CBR1000RR | BOB-san and the Fun T-FCC | 1'15.455 | 13.277 | 4.007 | 4/11 | |
| 5 | 34 | ChalleBIG | 1 | Koichi Hirata | Yamaha/FZ4004YR | BO2 Takai Racing | 1'20.692 | 18.514 | 5.237 | 4/10 | |
| 6 | 3 | ChalleBIG | 2 | Yūichi Sakamoto | Yamaha/YZF-R1 | RT Kamimura & F.C.C. | 1'23.115 | 20.937 | 2.423 | 3/6 | |
| 51 | ChalleBIG | Kin'ichi Uchida | Honda/CBR600RR | Did not participate |
