Challenge BIG Time Attack 2nd Round Results
DATE:2021-05-09 WEATHER: Cloudy COURSE: Dry International South Course 1.264km
| Pos. | No. | Cls. | Tire | Rider | Type | Team | Time | Delay | Gap | Lap | |
| 1 | 61 | Challenge Unlimited | 1 | BS | Kasuga Hirofumi | YAMAHA/YZF R6 | MADDEST+Speed Heart | 54.907 | 82.87km/h | 3/10 | |
| 2 | 78 | ChalleBIG | 1 | BS | Naoki Hashimoto | Honda/VFR750R RC30 | MR7 Factory RT | 54.943 | 0.036 | 0.036 | 3/14 |
| 3 | 79 | ChalleBIG | 2 | BS | Asahina Tadashi | Kawasaki/GPZ1100 | Asahi Racing | 55.974 | 1.067 | 1.031 | 3/11 |
| 4 | 3 | ChalleBIG | 3 | BS | Kakunan Kohei | Honda/CBR600RR | MADDEST+EDGE | 56.011 | 1.104 | 0.037 | 6/10 |
| 5 | 5 | Challenge Unlimited | 2 | BS | Fumihiko Sakai | Honda/CRF450R | Club Selection Suzuka | 56.502 | 1.595 | 0.491 | 5/7 |
| 6 | 22 | Challenge Unlimited | 3 | BS | Mitsuhiro Okazaki | YAMAHA/YZF-R1 | Bakushin! Bakushin! | 57.710 | 2.803 | 1.208 | 15/16 |
| 7 | 36 | Challenge Unlimited | 4 | BS | Tomoyuki Mimura | Kawasaki/ZX6R | TeamA-PLAN+Taki Tekkin | 57.873 | 2.966 | 0.163 | 7/11 |
| 8 | 73 | Challenge Unlimited | 5 | DL | Yukio Uchida | Honda/CBR1000RR | R.C. Vehicles | 57.902 | 2.995 | 0.029 | 11/15 |
| 9 | 68 | ChalleBIG | 4 | PI | SULLCANY ESCOBAR HUGO | Kawasaki/ZX10R | BOLIVIA RACE TEAM | 58.487 | 3.580 | 0.585 | 11/15 |
| 10 | 43 | Challenge Unlimited | 6 | DL | Honda Hiroyuki | Honda/NSR250R | Stop Freddy 85☆SWR | 59.013 | 4.106 | 0.526 | 5/15 |
| 11 | 2 | Challenge Unlimited | 7 | BS | Takaji Takada | Kawasaki/KX100 | K&T Racing | 59.363 | 4.456 | 0.350 | 14/14 |
