Ramjet (Japanese: ラムジェット, Hepburn: Ramujetto; foaled 4 April 2021) is a Japanese Thoroughbred racehorse. He has competed since 2023, recording five wins in seventeen starts, including the Tokyo Derby (JpnI) and Unicorn Stakes (GIII) in 2024. His racing name is derived from the ramjet, a type of jet engine.
Background Ramjet is a dark bay colt bred in Niikappu, Hokkaido, by North Hills. He was sired by Majestic Warrior, an American-bred son of A.P. Indy, and his dam was Nefertiti, a daughter of Gold Allure. His granddam Laverita won seven graded stakes, including the 2009 Kanto Oaks. He was owned by Koji Maeda and sent into training with Shozo Sasaki at the JRA's Ritto Training Center. In March 2026, he was transferred to the stable of Mikio Matsunaga following Sasaki's retirement.
Racing career
2023: two-year-old season Ramjet debuted on July 1, 2023, in a maiden race on the dirt at Chukyo Racecourse, ridden by Hiroshi Kitamura, winning by 0.2 seconds. He finished third in the Yamaboshi Sho (Allowance) at Hanshin Racecourse in September and ninth in the Oxalis Sho (Allowance) at Tokyo Racecourse in November. He won the Kantsubaki Sho (Allowance) at Chukyo in December, ridden by Kosei Miura.
2024: three-year-old season On February 18, Ramjet won the Hyacinth Stakes (Listed) at Tokyo by three lengths. On April 27, he won the Unicorn Stakes (GIII) at Kyoto Racecourse by 2.5 lengths, recording his first graded stakes victory.
On June 5, he contested the Tokyo Derby (JpnI) at Oi Racecourse. Ridden by Kosei Miura, he was positioned in third place behind the leaders before finishing strongly to win by six lengths over Satono Epic. He finished fourth in the Japan Dirt Classic (JpnI) at Oi in October and third in the Tokyo Daishoten (GI) at Oi in December.
2025: four-year-old season Ramjet finished sixth in the Saudi Cup (G1) at King Abdulaziz Racetrack in February and ninth in the Dubai World Cup (G1) at Meydan Racecourse in March. He finished sixth in the Teio Sho (JpnI) at Oi in July and third in the Korea Cup (G3) at Seoul Racecourse in September. He finished fourth in the Miyako Stakes (GIII) at Kyoto in November and third in the Champions Cup (GI) at Chukyo in December.
2026: five-year-old season Ramjet finished eighth in the February Stakes (GI) at Tokyo in February and fifth in the Teio Sho (JpnI) at Oi in July. He resumed his season at the Sirius Stakes in the last week of September, in which he finished seventh on the day.
Statistics The following table details all 17 starts of Ramjet's racing career based on official netkeiba, JBIS, and Racing Post records. Record current as of 1 July 2026.
Date Distance (Condition) Race Class Course Odds(Favourite) Field Finish Time Jockey Winning(Losing)Margin Winner(2nd Place) Ref2023 – two-year-old season Dirt 1400 m (Sloppy) 2-Y-O Newcomer Maiden Chukyo 14.4 (6th) 10 1:25.4 Hiroshi Kitamura –0.2 (Neuer Held) Dirt 1400 m (Fast) Yamaboshi Sho Allowance Hanshin 2.5 (1st) 9 1:25.8 Yuga Kawada 0.0 Satono Phoenix Dirt 1400 m (Fast) Oxalis Sho Allowance Tokyo 2.4 (1st) 16 9th 1:26.1 Joao Moreira 1.0 Nova Express Dirt 1400 m (Good) Kantsubaki Sho Allowance Chukyo 3.9 (2nd) 11 1:26.0 Kosei Miura –0.2 (Saffron Hero)2024 – three-year-old season Dirt 1600 m (Fast) Hyacinth Stakes Listed Tokyo 13.9 (5th) 11 1:36.3 Kosei Miura –0.5 (Unquenchable) Dirt 1900 m (Fast) Unicorn Stakes GIII Kyoto 7.3 (3rd) 16 1:58.6 Kosei Miura –0.4 (Satono Epic) Dirt 2000 m (Good) Tokyo Derby JpnI Oi 1.7 (1st) 16 2:06.6 Kosei Miura –1.2 (Satono Epic) Dirt 2000 m (Fast) Japan Dirt Classic JpnI Oi 3.6 (2nd) 15 4th 2:05.5 Kosei Miura 1.4 Forever Young Dirt 2000 m (Fast) Tokyo Daishoten GI Oi 9.5 (4th) 10 2:05.2 Kosei Miura 0.3 Forever Young2025 – four-year-old season Dirt 1800 m (Fast) Saudi Cup G1 KAA 33.0 (8th) 14 6th 1:51.84 Kosei Miura 2.75 Forever Young Dirt 2000 m (Fast) Dubai World Cup G1 Meydan 33.0 (6th) 11 9th 2:05.32 Kosei Miura 1.82 Hit Show Dirt 2000 m (Fast) Teio Sho JpnI Oi 7.1 (3rd) 13 6th 2:04.4 Kosei Miura 1.3 Mikki Fight Dirt 1800 m (Firm) Korea Cup G3 Seoul 2.3 (1st) 11 1:51.4 Kosei Miura 0.6 Diktaean Dirt 1800 m (Sloppy) Miyako Stakes GIII Kyoto 8.4 (5th) 15 4th 1:48.0 Kosei Miura 0.5 W Heart Bond Dirt 1800 m (Fast) Champions Cup GI Chukyo 12.8 (7th) 16 1:50.6 Kosei Miura 0.4 W Heart Bond2026 – five-year-old season Dirt 1600 m (Fast) February Stakes GI Tokyo 7.8 (4th) 16 8th 1:36.3 Kosei Miura 0.9 Costa Nova Dirt 2000 m (Good) Teio Sho JpnI Oi 11.5 (5th) 13 5th 2:03.6 Kosei Miura 0.8 Mikki Fight Dirt 2000 m (Fast) Sirius Stakes GIII Hanshin 3.6 (1st) 16 7th 2:05.7 Kosei Miura 0.4 Walzer Schall
Pedigree
Ramjet is inbred 3 × 5 to Seattle Slew, 4 × 5 to Secretariat, 4 × 5 to Mr. Prospector, 5 × 5 to Buckpasser, and 5 × 5 to Northern Dancer. His granddam Laverita won seven graded stakes, including the 2009 Kanto Oaks. His fifth dam is Classy 'n Smart, a Canadian Horse Racing Hall of Fame inductee.
See also Thoroughbred racing in Japan Tokyo Derby Unicorn Stakes
References