The Mile Championship Nambu Hai (in Japanese: マイルチャンピオンシップ南部杯), is a Domestic Grade 1 race for three-year-olds and above held at Morioka Racecourse.

[1] The name of the race originates from the Nambu clan which ruled the Morioka Domain during the Edo period.

[3] The current head of the Nambu clan attends the award ceremony every year and awards the trophy to the winner.

The race was originally known as the "Northern Japan Mile Championship", until it switched to the current name in 1995.

The race is run over 1600 meters on dirt.