The 2010 Okayama GT 300km was the second round of the 2010 Super GT season. It took place at Okayama International Circuit on April 4, 2010.
| Pos | No | Team/Car | Drivers | Laps | Time/Retired | Grid | Points | |
|---|---|---|---|---|---|---|---|---|
| GT500 Results | ||||||||
| 1 | 18 | Weider HSV-010 |  Takashi Kogure Loïc Duval | 82 | 2:02:26.084 | 1 | 20 | |
| 2 | 38 | ZENT Cerumo SC430 | Yuji Tachikawa Richard Lyons | 82 | +11.800 | 2 | 15 | |
| 3 | 1 | Petronas TOM'S SC430 | Juichi Wakisaka André Lotterer | 82 | +14.209 | 8 | 11 | |
| 4 | 12 | Calsonic Impul GT-R | Tsugio Matsuda Ronnie Quintarelli | 82 | +14.712 | 3 | 8 | |
| 5 | 6 | ENEOS SC430 | Daisuke Ito Björn Wirdheim | 82 | +45.741 | 5 | 6 | |
| 6 | 8 | ARTA HSV-010 | Ralph Firman Yuji Ide | 82 | +48.666 | 11 | 5 | |
| 7 | 17 | Keihin HSV-010 | Toshihiro Kaneishi Koudai Tsukakoshi | 82 | +57.285 | 13 | 4 | |
| 8 | 100 | Raybrig HSV-010 | Takuya Izawa Naoki Yamamoto | 82 | +1:11.673 | 10 | 3 | |
| 9 | 35 | MJ Kraft SC430 | Hiroaki Ishiura Kazuya Oshima | 81 | +1 Lap | 4 | 2 | |
| 10 | 39 | Denso Dunlop SARD SC430 | André Couto Kohei Hirate | 81 | +1 Lap | 9 | 1 | |
| 11 | 32 | Epson HSV-010 | Ryo Michigami Yuhki Nakayama | 81 | +1 Lap | 6 | ||
| 12 | 24 | HIS Advan Kondo GT-R |  João Paulo de Oliveira Hironobu Yasuda | 81 | +1 Lap | 12 | ||
| DNF | 23 | Motul Autech GT-R | Satoshi Motoyama Benoît Tréluyer | 15 | Collision | 7 | ||
| GT300 Results | ||||||||
| 1 | 46 | Up Start MOLA Z | Naoki Yokomizo Tsubasa Abe | 76 | 2:03:22.023 | 2 | 20 | |
| 2 | 2 | Apple•K•One Shiden | Hiroki Katoh Hiroshi Hamaguchi | 76 | +26.160 | 8 | 15 | |
| 3 | 3 | Hasemi Sport Tomica Z | Kazuki Hoshino Masataka Yanagida | 76 | +32.261 | 12 | 11 | |
| 4 | 86 | JLOC Lamborghini RG-3 | Tetsuji Tamanaka Haruki Kurosawa | 76 | +37.676 | 1 | 8 | |
| 5 | 31 | apr Corolla Axio | Koki Saga Kosuke Matsuura | 76 | +37.929 | 3 | 6 | |
| 6 | 43 | ARTA Garaiya | Morio Nitta Shinichi Takagi | 75 | +1 Lap | 6 | 5 | |
| 7 | 11 | Jim Gainer Dixcel Dunlop F430 | Tetsuya Tanaka Katsuyuki Hiranaka | 75 | +1 Lap | 13 | 4 | |
| 8 | 33 | Hankook Porsche | Mitsuhiro Kinoshita Masami Kageyama | 75 | +1 Lap | 19 | 3 | |
| 9 | 74 | Corolla Axio apr GT | Takuto Iguchi Yuji Kunimoto | 75 | +1 Lap | 5 | 2 | |
| 10 | 9 | Hatsunemiku X GSR Porsche | Taku Bamba Masahiro Sasaki | 75 | +1 Lap | 17 | 1 | |
| 11 | 27 | NAC Eiseicom LMP Ferrari | Yutaka Yamagishi Hiroshi Koizumi | 74 | +2 Laps | 16 | ||
| 12 | 62 | R&D Sport Legacy B4 | Tetsuya Yamano Kota Sasaki | 74 | +2 Laps | 18 | ||
| 13 | 26 | Cinecitta Taisan Porsche |  Igor Sushko Masayuki Ueda | 74 | +2 Laps | 15 | ||
| 14 | 19 | WedsSport IS350 | Manabu Orido Tatsuya Kataoka | 73 | +3 Laps | 4 | ||
| 15 | 66 | triple a Vantage GT2 | Hideshi Matsuda Hiroki Yoshimoto | 70 | +6 Laps | 10 | ||
| 16 | 88 | JLOC Lamborghini RG-3 | Atsushi Yogo Shinya Hosokawa | 68 | +8 Laps | 14 | ||
| 17 | 87 | JLOC Lamborghini RG3 | Hiroyuki Iiri Yuya Sakamoto | 60 | +16 Laps | 9 | ||
| 18 | 7 | M7 Mutiara Motors Amemiya SGC7 | Nobuteru Taniguchi Ryo Orime | 54 | +22 Laps | 11 | ||
| DNF | 5 | Machgogogo Shaken 408R | Tetsuji Tamanaka Haruki Kurosawa | 16 | +60 Laps | 7 | ||
| DSQ | 365 | 365 Thunder Asia Racing Mosler MT900M | Melvin Choo Tim Sugden | – | Disqualification | 20 | ||