| Surface: | Dirt |
| Horse Race: | Derby Grand Prix |
| Location: | Mizusawa Racecourse |
| Inaugurated: | 1986[1] |
| Race Type: | Thoroughbred - Flat racing |
| Distance: | 2,000 meters |
| Qualification: | Three-years-old[2] |
| Purse: | ¥40,000,000 1st: ¥ 10,000,000 |
The Derby Grand Prix (in Japanese: ダービーグランプリ), is a race for three-year-olds in the Iwate Prefecture Horse Racing Association.
The race was established in 1986. It was for 4-year-olds, but changed to 3-year-olds in 2001.
The race was graded as a Grade-1 race in 1997 and was then moved down to Grade-M1 in 2016.
The race took place at Morioka Racecourse from 1996-2011.
| Year | Winner | Jockey | Trainer | Time |
|---|---|---|---|---|
| 2014 | Dragon Ear[3] | Hiroto Yoshihara | Kenichi Takatsuki | 2:07.4 |
| 2015 | Studium[4] | Satoshi Ishizaki | Yoshiyuki Kano | 2:07.5 |
| 2016 | Trovao[5] | Daisuke Mijima | Katsunori Arayama | 2:08.0 |
| 2017 | Superstition[6] | Ryu Abe | Hideki Kadokawa | 2:08.2 |
| 2018 | Chaiyaphum[7] | Shinobu Murakami | Yuki Chiba | 2:12.2 |
Past winners include:[8]