Haneda Hai

The Haneda Hai (羽田盃) is a Japanese thoroughbred horse race on dirt track only for three years old. It is graded as a Domestic Grade I. It is run over a distance of 1,800 meters (about 9 furlongs) at Oi Racecourse in Shinagawa, Tokyo in April or May.

History
It began in 1955 as the Oi Hai. Its name was changed to Haneda Hai in commemoration of Haneda racecourse which used to be situated next to Shinagawa.

Its distance has been changed several times. It has been run as follows:
 * from its inception until 1966 at 1,800 meters
 * from 1967 to 1995 at 2,000 meters
 * from 1996 to 1998 at 1,800 meters
 * from 1999 to 2001 at 1,600 meters
 * from 2002 to 2003 at 1,790 meters
 * from 2004 onwards at 1,800 meters

Until 2023, this race was the first leg of the South Kanto (Minami-Kanto) triple crown with Tokyo Derby and Japan Dirt Derby and only horses belonging to Minami-Kanto Horseracing can run.

Dirt Grade Promotion
The race was promoted to Domestic Grade 1 (Jpn1) along with Tokyo Derby in 2024. Formerly the first leg of the South Kanto (Minami-Kanto) Triple Crown, it became the first leg of new Japanese Triple Crown of Dirt. Entries were expanded to 16 horses with 4 JRA horses and 12 NAR horses.

Trial races
Trial races provide automatic berths to the winning horses or placed horses as specified.