| # | Cl. | Rider | Age | Bike | Team |
|---|---|---|---|---|---|
| 1 |  Shin'ichi ITO | 32 |  Honda RC45 | Team LUCKYSTRIKE Honda | |
| 2 | Keiichi KITAGAWA | 32 |  Suzuki GSX-R750 | Team SUZUKI | |
| 3 | Akira RYO | 31 | Suzuki GSX-R750 | Team SUZUKI | |
| 4 | Wataru YOSHIKAWA | 29 | Yamaha YZF R7 | YAMAHA Racing Team | |
| 5 | Shin'ya TAKEISHI | 31 | Kawasaki ZX-7RR | Kawasaki Racing Team | |
| 8 | Hitoyasu IZUTSU | 28 | Kawasaki ZX-7RR | Kawasaki Racing Team | |
| 10 | Tamaki SERIZAWA | 26 | Kawasaki ZX-7RR | Kawasaki Racing Team | |
| 11 | Takahiro SOHWA | 33 | Honda RC45 | Team Iwaki | |
| 12 | Atsushi WATANABE | 22 | Suzuki GSX-R750 | Team SUZUKI | |
| 13 | S-NK | Manabu KAMADA | 29 | Suzuki GSX1300R | Yoshimura SUZUKI GP1 DAXIM |
| 14 | Ichiro ASAI | 25 | Yamaha YZF R7 | TEAM ITA & RC-SUGO | |
| 19 | Osamu NISHIJIMA | 29 | Kawasaki ZX-7RR | Team HANSHIN Riding School & HAKUNAN Auto School | |
| 20 | S-NK | Katsunori HASEGAWA | 31 | Yamaha YZF R1 | PJ1 TIS RACING |
| 21 | Kazuki SHIMIZU | ? | Kawasaki ZX-7RR | TEAM GREEN | |
| 23 | Yuji HARAGUCHI | ? | Honda RC45 | Sofukai • Suzuka Racing Team | |
| 26 | Takeshi TSUJIMURA | 25 | Yamaha YZF R7 | YAMAHA Racing Team | |
| 31 | Takayuki SUZUKI | ? | Honda RC45 | Honda Blue Helmets MSC | |
| 35 | Ken'ichiro NAKAMURA | 31 | Honda RC45 | Honda Blue Helmets MSC | |
| 42 | S-NK | Kazuhiro YOSHIKAWA | ? |  Yamaha YZF R1 | FineR & TELLRS |
| 45 | Yuichi TAKEDA | 21 | Honda RC45 | Team LUCKYSTRIKE Honda | |
| 50 | Hitoshi TANIGUCHI | ? | Yamaha YZF750 | Companion Friends & Moto Katayanagi | |
| 55 | Yukio NUKUMI | 33 | Honda RC45 | Team SAKURAI Honda | |
| 56 | Atsushi WATANABE | ? | Yamaha YZF R7 | SP Tadao Racing Team | |
| 61 | Yasuhiro ONODERA | ? | Ducati 916 | Naoe Machinery & ITA Riding Club | |
| 62 | Takashi MIURA | ? | Yamaha YZF750 | TEAM ITA & RC-SUGO | |
| 63 | Hideo SENMYO | 34 | Honda RC45 | Honda Blue Helmets MSC | |
| 71 | S-NK | Ken'ichiro IWAHASHI | 34 | Honda VTR1000F | Castrol TEAM HARC-PRO |
| 74 | Norikazu ODAGIRI | ? | Honda RC45 | Honda Musashinokai Sayama Racing | |
| 81 | Chojun KAMEYA | 22 | Suzuki GSX-R750 | Team SUZUKI | |
| 100 | Makoto TAMADA | 22 | Honda RC45 | Team KOHTAKE RSC |
1999-08-20 to 1999-08-22
SUGO Superbike Race
Sugo (Permanent circuit, 3.7375 km)
Attendance: 11,300
Entries: ? / Practised: 30 / Qualified: 30
Sessions
Entry list
Struck out text denotes riders on entry list who did not participate.
Sources:
Official results/ Official season review VHS/ MFJ Magazine No. 363 2000-01 pg54-56/ motoracing-japan.com