| Class: | Domestic Grade I (JpnI) |
| Horse Race: | Haneda Hai |
| Location: | Oi Racecourse, Shinagawa, Tokyo |
| Inaugurated: | 1956 |
| Race Type: | Thoroughbred flat racing |
| Distance: | 1,800 meters (approx. 10 furlongs) |
| Surface: | Dirt |
| Track: | Right-handed |
| Qualification: | 3-y-o no geldings |
| Weight: | 57 kg Allowance: Fillies 2 kg |
| Purse: | ¥78,250,000 (as of 2024) 1st: ¥ 50,000,000 2nd: ¥ 17,500,000 3rd: ¥ 10,000,000 |
The 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.
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.[1]
Its distance has been changed several times. It has been run as follows:
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.[2]
The race was promoted to Domestic Grade 1 (Jpn1) along with Tokyo Derby in 2024.[3] Formerly the first leg of the South Kanto (Minami-Kanto) Triple Crown, it became the first leg of new Japanese Triple Crown of Dirt.[4] Entries were expanded to 16 horses with 4 JRA horses and 12 NAR horses.[5]
Trial races provide automatic berths to the winning horses or placed horses as specified.
| Bluebird Cup | JpnIII | Funabashi | 1,800 meters | Winner that belongs to NAR | |
| Kumotori Sho | JpnIII | Oi | 1,800 meters | Top 2 of the best that placed 1st to 5th that belongs to JRATop 2 that belongs to NAR regardless of placing | |
| Starburst Cup | Open | Oi | 2,000 meters | Winner | |
| Keihin Hai | JpnII | Oi | 1,700 meters | Top 2 of the best that placed 1st to 5th that belongs to JRATop 2 that belongs to NAR regardless of placing | |
| Classic Trial | Special | Oi | 1,800 meters | Winner |
| Year | Winner | Jockey | Trainer | Owner | Organization | Time | |
|---|---|---|---|---|---|---|---|
| 2004 | Tokino Kojiro | Nobuhiro Yamada | Rentaro Hasegawa | Hisatsugu Tanaka | Kawasaki | 1:53.5 | |
| 2005 | Sea Chariot | Hiroyuki Uchida | Masayuki Kawashima | Darley Japan Farm Co. Ltd. | Funabashi | 1:53.5 | |
| 2006 | Thank You Win | Seiji Sakai | Mitsuhiro Okabayashi | Yoshimitsu Itaka | Funabashi | 1:53.1 | |
| 2007 | Top Sabaton | Shun Ishizaki | Masao Kakimoto | Tsuya Kiya | Funabashi | 1:51.1 | |
| 2008 | Nick Bunyan | Fumio Matoba | Youichi Sasaki | Yasushi Tsumura | Oi | 1:52.8 | |
| 2009 | Nike High Grade | Keita Tosaki | Masayuki Kawashima | Seiji Ono | Funabashi | 1:54.9 | |
| 2010 | Seize the Gold | Hiroyuki Uchida | Katsunori Arayama | Daiten Farm Co. Ltd. | Oi | 1:53.7 | |
| 2011 | Clave Secleta | Keita Tosaki | Masayuki Kawashima | Sunday Racing Co. Ltd. | Funabashi | 1:52.1 | |
| 2012 | Art Sahara | Tadanari Konno | Katsunori Arakawa | Daiten Farm Co. Ltd. | Oi | 1:52.9 | |
| 2013 | Outgeneral | Norifumi Mikamoto | Masayuki Kawashima | Sunday Racing Co. Ltd. | Funabashi | 1:52.8 | |
| 2014 | Happy Sprint | Hiroto Yoshihara | Jyunpei Morishita | Tsuji Bokujo | Oi | 1:52.6 | |
| 2015 | Studium | Shun Ishizaki | Yoshiyuki Yano | Nicks | Funabashi | 1:54.6 | |
| 2016 | Turbulence | Taito Mori | Takashi Mizuno | Nobuhiko Yoshiki | Urawa | 1:55.5 | |
| 2017 | Captain King | Takayuki Yano | Naoyuki Matoba | Toshio Hiramoto | Oi | 1:54.4 | |
| 2018 | Yamano Fight | Kota Motohashi | Masakazu Murakami | Akihiko Yamaguchi | Funabashi | 1:53.7 | |
| 2019 | Mutually | Norifumi Mikamoto | Yoshiyuki Yano | Jotaro Ishise | Funabashi | 1:53.5 | |
| 2020 | Gold Heuer | Seiji Yamazaki | Hiroshi Iwamoto | Hatsue Okada | Kawasaki | 1:53.3 | |
| 2021 | Transcendence | Taito Mori | Satoshi Kokubo | Eishu Tokuhara | Urawa | 1:51.5 | |
| 2022 | Miyagi Zao | Daisuke Mashima | Jumpei Morishita | Masatoshi Suzuki | Oi | 1:52.4 | |
| 2023 | Mick Fire | Norifumi Mikamoto | Kazuo Watanabe | Koichi Hoshika | Oi | 1:50.9 | |
| Triple Crown of Dirt Series | |||||||
| 2024 | Amante Bianco | Yuga Kawada | Keisuke Miyata | Silk Racing Co. Ltd. | JRA | 1:53.9 | |