The Arima Kinen (有馬記念) is a Grade I flat horse race in Japan open to Thoroughbreds which are three-years-old or above and the world's largest betting horserace.

[2] It is run over a distance of 2,500 metres (approximately 1 mile and 4+1⁄2 furlongs) at Nakayama Racecourse, and it takes place annually in late December.

The remainder of 6 (including National Association of Racing (NAR) and foreign-based horses) are determined by the amount of prize money won.

However, as Cosmo Bulk was not a Japan Racing Association horse (but belonged to Hokkaido Keiba from NAR) all votes cast for him were invalid.

2 Vodka was not allowed to participate in the 2009 race, as she was on a 1-month suspension due to nose bleeding in the Japan Cup.