Mainichi Hai

Mainichi Hai
毎日杯
Blast Onepiece wins the 2018 Mainichi Hai
ClassGrade 3
LocationHanshin Racecourse
Inaugurated1954
Race typeThoroughbred Flat racing
Race information
Distance1800 metres
SurfaceTurf
TrackRight-handed
Qualification3-y-o
WeightColts 57 kg, fillies 55 kg
Purse¥ 87,960,000 (as of 2025)
  • 1st: ¥ 41,000,000
  • 2nd: ¥ 16,000,000
  • 3rd: ¥ 10,000,000

The Mainichi Hai (Japanese 毎日杯) is a Japanese Grade 3 horse race for three-year-old Thoroughbreds run in March over a distance of 1800 metres at Hanshin Racecourse.

The race was first run in 1954 and has held Grade 3 status since 1984. It was initially run over 2000 metres before being cut to its current distance in 2007. Past winners of the race have included Oguri Cap, T. M. Opera O, King Kamehameha, Kizuna and Blast Onepiece.