Challenge Mini Time Attack Round 1 Results
DATE:2021-05-09 WEATHER: Cloudy COURSE: Dry International South Course 1.264km
| Pos. | No. | Tire | Rider | Type | Team | Time | Delay | Gap | Lap | |
| 1 | 16 | BS | Yuto Totsuya | Honda/NSR80 | TEAM RUN Swallowtail | 1'00.475 | 75.24km/h | 12/12 | ||
| 2 | 110 | BS | Hiroshi Ito | Honda/NSF125 | icu racing team | 1'01.383 | 0.908 | 0.908 | 14/15 | |
| 3 | 1 | BS | Takahashi Shigenori | Honda/XR100 Motard | AQUA Therapy Clinic | 1'02.395 | 1.920 | 1.012 | 8/14 | |
| 4 | 65 | BS | Takashi Imanishi | Honda/GROM | MADDEST | 1'03.008 | 2.533 | 0.613 | 2/2 | |
| 5 | 542 | DL | Murata Toshiyuki | Honda/JC61 | Club BATTLE | 1'07.615 | 7.140 | 4.607 | 8/10 | |
| 6 | 8 | BS | Yuto Okuda | Honda/APE | Nakau Kai | 1'07.715 | 7.240 | 0.100 | 13/13 | |
| 7 | 18 | DL | Inagaki Takeshi | Honda/NSF100 | CLUB Motolabo EJ & Speed Heart | 1'08.762 | 8.287 | 1.047 | 12/12 | |
| 8 | 37 | DL | Junichi Nishiyama | Honda/NSR50 | Team Junbee | 1'09.251 | 8.776 | 0.489 | 13/13 | |
| 9 | 43 | BS | Ueno Satsushi | Honda/APE100 | MADDEST | 1'09.253 | 8.778 | 0.002 | 2/8 | |
| 10 | 34 | BS | Ryota Hirao | Honda/NSF100 | 1'10.069 | 9.594 | 0.816 | 12/12 | ||
| 11 | 87 | BS | Sawada En | Honda/APE | Nakau Kai | 1'12.892 | 12.417 | 2.823 | 11/12 | |
| 12 | 95 | BS | Mie Naruse | Honda/NSF | de"LIGHT T&M | 1'13.605 | 13.130 | 0.713 | 11/11 | |
| 13 | 17 | DL | Asao Tagako | Honda/GROM | Crane 4.4.1 | 1'16.578 | 16.103 | 2.973 | 11/12 |
