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Aston Machan

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Aston Machan
アストンマーチャン
Aston Machan at the parade ring of the 2007 Oka Sho
BreedThoroughbred
SireAdmire Cozzene
GrandsireCozzene
DamRustling Copse
DamsireWoodman
SexMare
Foaled5 March 2004
Died21 April 2008 (aged 4)[1]
CountryJapan
ColorBay
BreederShadai Farm
OwnerMayumi Tosa
Racing colors
TrainerSei Ishizaka
Record11: 5-2-0
Earnings¥248,997,000
Major wins
Kokura Nisai Stakes (2006)
Fantasy Stakes (2006)
Fillies' Revue (2007)
Sprinters Stakes (2007)

Aston Machan (Japanese: アストンマーチャン, Hepburn: Asuton Maachan; 5 March 2004 – 21 April 2008)[1] was a Japanese Thoroughbred racehorse and multiple graded stakes winner. Owned by Mayumi Tosa and trained primarily by Sei Ishizaka, Aston Machan partook mostly in sprint-length races, and competed against leading racehorses such as Daiwa Scarlet and Vodka. In the 2007 Sprinters Stakes, she led from start to finish against older horses to claim her only Grade 1 title, becoming only the second 3-year-old filly after Nishino Flower in 1992 to win the race since the JRA's introduction of the grading system. Aston Machan's career was cut short in the spring of her four-year-old season, when she contracted Colitis-X with unknown causes and died prematurely from acute heart failure.

Background

[edit]

Aston Machan was foaled on Shadai Farm on 5 March 2004. She was sired by Admire Cozzene who was sired by Cozzene, an American-bred racehorse who won the Breeders' Cup Mile in 1985 and was an outstanding sire. Her dam, Rustling Copse, was an American-bred racehorse sired by Woodman.[2][3]

As she was a first-year foal by Admire Cozzene, there was a risk that her characteristics would be difficult to assess and she might fail to find a buyer; however, Aston Machan would be bought by Mayumi Tosa, a veterinarian, making her Tosa’s second horse. It was ultimately decided that Sei Ishizaka would train her. She was reportedly a “model student” at the farm and grew up without any major incidents.[4]

Tosa named the horse “Aston Machan,” a combination of the British automobile brand Aston Martin and her nickname from her student days, “Ma-chan.”[5]

Racing career

[edit]

2006: two-year-old season

[edit]

On 22 July 2006, Aston Machan made her debut in a maiden race at Kokura Racecourse. Ridden by Yutaka Take and starting as the second favorite, she was beaten by a neck by the top favorite, Charman Reine, and finished second.[6] Takahashi attributed the loss to the horse drifting wide, while Ishizaka analyzed the drifting by noting that he was surprised by how the horse appeared on the Turf Vision screen.[7] Also at Kokura, in a maiden race on August 6, Ryuji Wada took over as jockey, and Aston Machan started as the favorite at odds of 1.3 to 1. Running in second place, she overtook the pacesetter by half a length to claim her first victory.[8]

In the Kokura Nisai Stakes on 3 September, she was ridden by Ryota Samejima and started as the third favorite. Starting from an outside gate, she settled into second place, took the lead entering the final turn, and crossed the finish line first with a two-and-a-half-length lead, securing her first graded stakes victory.[9] This marked the first graded stakes title for both Ryota Samejima, in his second year as a jockey, and Admire Cozzene, in the first year of his offspring’s racing careers.[9]

Due to fatigue from three races at Kokura, Aston Machan was sent to pasture for two months at the Yamamoto Training Center in Yamamoto Town, Miyagi Prefecture.[10][11] During this time, Ishizaka acknowledged that Aston March’s demeanor and appearance had completely changed. She made her comeback in the Fantasy Stakes on 5 November with Takeshi back in the saddle and starting as the third favorite. Positioned in the middle of the pack, she began to move up from the third turn. She rounded the final turn in third place and entered the home stretch with plenty of momentum. With 200 meters to go, she was neck-and-neck with Excuse, who had closed in, and the front-runner Admire Pluto, but Aston Machan pulled away to run unchallenged. By the time she crossed the finish line, she had opened up a five-length lead over Excuse, who finished second. Her winning time of 1 minute 20.3 seconds broke the Fantasy Stakes record by 0.9 seconds and the JRA 2-year-old record by 0.5 seconds, marking her second consecutive graded stakes victory. Incidentally, it was revealed after the race that she had lost a shoe during the race.[12]

External Video Link
video icon 2006 Hanshin Juvenile Fillies
Race video from the JRA official YouTube channel

Next, she competed in the Hanshin Juvenile Fillies on 3 December where she was backed as the favorite at 1.6-to-1 odds. With the second favorite, Luminous Harbor, at 8.9-to-1, Aston Machan was the clear choice for many bettors.[13] She settled into third place on the inside of the track from the start and took the lead in the home stretch. With 200 meters to go, she was running unchallenged with a lead of about three lengths over the field, but Vodka, the fourth favorite, closed in from the outside, and the two crossed the finish line neck and neck.[14] Vodka was declared the winner by a neck while Aston March finished second.[13] After the race, she was sent to pasture.[14]

In the year-end JRA Awards voting, she received 16 out of 289 votes in the JRA Award for Outstanding 2-Year-Old Filly category,[15] but Vodka received 271 votes and was named the JRA Award for Outstanding 2-Year-Old Filly.[15]

2007-2008: three & four-year-old seasons

[edit]
Aston Machan entering the main track for the 2007 Oka Shō.

On 11 March 2007, Aston Machan made her year's debut in the Fillies' Revue, a trial race for the Oka Sho. Since top rivals such as Vodka had moved on to the Tulip Sho, she was favored as the top choice at odds of 1.1 to 1.[16] Running in third or fourth place, she broke away down the stretch and won by two and a half lengths. In the subsequent Oka Sho, she started as the second favorite behind Vodka.[16] She moved into second place coming out of the turn but failed to finish strongly, finishing seventh—one second behind the battle between Vodka and the third favorite, Daiwa Scarlet. Takeshi commented, “Because she was tensing her whole body, she wasn’t able to run in her usual form,” while her training assistant, Kazuya Ueda, attributed the defeat to her appetite and physical condition in the days leading up to the race.[16] Subsequently, Ishizaka concluded that the horse was better suited to short distances, set his sights on the fall Sprinters Stakes, and decided to skip the NHK Mile Cup and the Yushun Himba, sending the horse to Shadai Farm for pasture rest.[16][17]

As a warm-up for the Sprinters Stakes, she was entered in the Kitakyushu Kinen on 12 August. Although it was her first race against older horses, Aston Machan was backed as the 1.8-to-1 favorite. Ridden by Yasunari Iwata, she settled into a good position but failed to finish strongly in the home stretch, finishing sixth.[18]

External Video Link
video icon 2007 Sprinters Stakes
Race video from the JRA official YouTube channel

Aston Machan competed in the Sprinters Stakes on 30 September. In preparation for the race, Ishizaka increased the horse’s hill work from one session per day to two to strengthen her physique and succeeded in increasing Aston Machan’s weight by 10 kilograms from her previous race.[18] Since Takeshi was riding Suzuka Phoenix, the winner of the spring Takamatsunomiya Kinen, Ishizaka selected veteran jockey Eiji Nakadate to ride Löwenstein; Suzuka Phoenix was the second favorite, while Aston Machan was the third favorite.[19]

Believing that she would be unable to fully demonstrate its speed on the heavy track in the rain, Ishizaka instructed Nakadate: “Given this track condition, it doesn’t matter whether you’re on the inside or outside. Even if it doesn’t work out, take the inside route.”[20] True to those instructions, he overtook Lohengrin—who had gotten off to a good start—and took the lead on the inside of the track, setting a pace that put him three lengths ahead of the field. With no challengers closing in from behind, he entered the home stretch in a runaway lead. Although Aston Marchan herself did not accelerate, she responded to Nakadate’s left-handed whip and held on tenaciously, crossing the finish line three-quarters of a length ahead of the chasing pack. After crossing the line, Nakadate made a victory gesture with his right hand. This was Aston Marchan’s first GI victory and her fourth graded stakes win.[20] Since the race was elevated to Group I status, she became only the second 3-year-old filly in history to win the race, following Nishino Flower in 1992. For Nakadate, this was his first Group I victory since winning the 1994 Queen Elizabeth II Cup with Hisa Amazon, while for Ishizaka, it was his first Sprinters’ Stakes victory since 2000, when he won with Daitaku Yamato.[20]

In the Swan Stakes on 27 October, she faded in the final stretch and finished 14th. Although she had been provisionally entered in the Hong Kong Sprint,[21] she was withdrawn on 23 October due to equine influenza, which would have required a one-month quarantine period, and was sent to pasture. In 2008, at the age of four, she made her comeback in the Silk Road Stakes on 10 February. With Takeda back in the saddle, she was the favorite but finished a disappointing 10th. Ishizaka then set his sights on the Takamatsunomiya Kinen.[citation needed]

Racing record

[edit]

Aston Machan raced in a total of 11 races, winning 5 and placing 2nd on two races. Below is her racing statistics which were taken from netkeiba.net.[22]

Date Race Distance Surface Track Finish Field Jockey Winner (Runner-up)
2006 – two-year-old season
22 Jul 2YO debut 1200m Turf Kokura 2nd 13 Yutaka Take Charmant Reine
6 Aug 2YO maiden 1200m Turf Kokura 1st 13 Ryuji Wada (Entrain)
3 Sep Kokura Nisai Stakes 1200m Turf Kokura 1st 14 Ryota Sameshima (Nishino Mao)
5 Nov Fantasy Stakes 1400m Turf Kyoto 1st 14 Yutaka Take (Excuse)
3 Dec Hanshin Juvenile Fillies 1600m Turf Hanshin 2nd 18 Yutaka Take Vodka
2007 – three-year-old season
11 Mar Fillies' Revue 1400m Turf Hanshin 1st 16 Yutaka Take (Amano Cherry Run)
8 Apr Oka Sho 1600m Turf Hanshin 7th 18 Yutaka Take Daiwa Scarlet
12 Aug Kitakyushu Kinen 1200m Turf Kokura 6th 16 Yasunari Iwata Kyowa Roaring
30 Sep Sprinters Stakes 1200m Turf Nakayama 1st 16 Eiji Nakadate (Sans Adieu)
27 Oct Mainichi Broadcast Swan Stakes 1400m Turf Kyoto 14th 18 Eiji Nakadate Super Hornet
2008 – four-year-old season
10 Feb Silk Road Stakes 1200m Turf Kyoto 10th 16 Yutaka Take Fine Grain

Death

[edit]

On 3 March, with the Takamatsunomiya Kinen only one month away, Aston Machan was withdrawn from the race due to poor health. Shortly thereafter, she developed Colitis-X of unknown cause, and was admitted to the Racehorse Clinic at the Ritto Training Center.[23] However, on 21 April 2008, Aston Machan died of acute heart failure with Ishizaka by her side.[23][24] Ishizaka expressed regret, saying, “[Aston Machan] won the Sprinters Stakes, but her care afterward was poor, and the stress caused her to fall ill."[25]

[edit]

An anthropomorphic version of Aston Machan appears in the game Umamusume: Pretty Derby, voiced by Honoka Inoue.[26] She is depicted as the daughter of a doctor who aims to become the world's most beloved mascot. During her career story, she is promptly forgotten by everyone around her after she wins the Takamatsunomiya Kinen in reference to her real-life counterpart being overshowed by the likes of Vodka and Daiwa Scarlet after her premature death. Her real life owner was the one to request her appearance within the game after hearing about the project, being heavily involved with the character design and her story [27][better source needed]

Pedigree

[edit]
Pedigree of Aston Machan, bay mare, 2004[28]
Sire
Admire Cozzene
1996		 Cozzene
1980		 Caro Fortino
Chambord
Ride The Trails Prince John
Wildwook
Admire McArdy
1991		 Northern Taste Northern Dancer
Lady Victoria
Mrs McArdy Tribal Chief
Hanina
Dam
Rustling Copse
1993		 Woodman
1983		 Mr. Prospector Raise a Native
Gold Digger
Playmate Buckpasser
Intriguing
Fieldy
1983		 Northfields Northern Dancer
Little Hut
Gramy Tapioca
Gracile

References

[edit]
  1. 1 2 "アストンマーチャン" [Aston Machan]. 競走馬のふるさと案内所 (in Japanese). Archived from the original on 17 May 2026. Retrieved 1 January 2026.
  2. ↑ Japan Bloodhorse Breeders' Association. "Aston Machan(JPN)". jbis.jp. Archived from the original on 24 December 2025. Retrieved 20 December 2025.
  3. ↑ Bloodhorse. "BC Winner/Sire Cozzene Dead". bloodhorse.com. Archived from the original on 18 May 2026. Retrieved 20 December 2025.
  4. ↑ "2006年09月03日 小倉２歳Ｓ　Ｇ３ | 重賞ウィナーレポート | 競走馬のふるさと案内所". uma-furusato.com. Archived from the original on 25 November 2023. Retrieved 18 June 2026.
  5. ↑ 神戸新聞社. "スプリンターズステークス・G1/'０７競馬G1プレイバック/競馬情報、競馬予想、レース、ニュース等/デイリースポーツonline". www.daily.co.jp (in Japanese). Archived from the original on 3 April 2016. Retrieved 18 June 2026.
  6. ↑ "【新馬戦】（小倉５Ｒ）〜シャルマンレーヌ接戦を制し新馬V | 競馬実況web | ラジオNIKKEI". keiba.radionikkei.jp (in Japanese). Archived from the original on 20 July 2021. Retrieved 17 June 2026.
  7. ↑ "【未勝利】（小倉１Ｒ）〜アストンマーチャン　順当勝ち | 競馬実況web | ラジオNIKKEI". keiba.radionikkei.jp (in Japanese). Archived from the original on 20 July 2021. Retrieved 17 June 2026.
  8. ↑ "【未勝利】（小倉１Ｒ）〜アストンマーチャン　順当勝ち | 競馬実況web | ラジオNIKKEI". keiba.radionikkei.jp (in Japanese). Archived from the original on 20 July 2021. Retrieved 17 June 2026.
  9. 1 2 "小倉2歳S、アストンマーチャン快勝 | 競馬ニュース - netkeiba.com". netkeiba.com. Archived from the original on 20 July 2021. Retrieved 17 June 2026.
  10. ↑ "2006年09月03日 小倉２歳Ｓ　Ｇ３ | 重賞ウィナーレポート | 競走馬のふるさと案内所". uma-furusato.com. Archived from the original on 25 November 2023. Retrieved 17 June 2026.
  11. ↑ "【ファンタジーＳ】栗東レポート〜アストンマーチャン | 競馬実況web | ラジオNIKKEI". keiba.radionikkei.jp (in Japanese). Archived from the original on 20 July 2021. Retrieved 17 June 2026.
  12. ↑ 『優駿』 ["Yushun"] (in Japanese). September 2009. p. 156.
  13. 1 2 "【思い出のＧIレース＝２００６（平成１８）年「阪神ＪＦ」】"生まれた年が悪かった"最強牝馬世代の激戦 ? 東京スポーツ新聞社". 東スポＷeb ? 東京スポーツ新聞社 (in Japanese). Archived from the original on 23 January 2021. Retrieved 17 June 2026.
  14. 1 2 『優駿』 ["Yushun"] (in Japanese). September 2009. p. 157.
  15. 1 2 "★２００６年度ＪＲＡ賞　記者投票の集計結果★ | 競馬実況web | ラジオNIKKEI". www.radionikkei.jp (in Japanese). Archived from the original on 12 January 2021. Retrieved 17 June 2026.
  16. 1 2 3 4 『優駿』 ["Yushun"] (in Japanese). September 2009. p. 158.
  17. ↑ "2007年09月30日 スプリンターズＳ　Ｇ１ | 重賞ウィナーレポート | 競走馬のふるさと案内所". uma-furusato.com. Retrieved 17 June 2026.
  18. 1 2 『優駿』 ["Yushun"] (in Japanese). September 2009. p. 159.
  19. ↑ 『優駿』 ["Yushun"] (in Japanese). September 2009. p. 160.
  20. 1 2 3 神戸新聞社. "スプリンターズステークス・G1/'０７競馬G1プレイバック/競馬情報、競馬予想、レース、ニュース等/デイリースポーツonline". www.daily.co.jp (in Japanese). Archived from the original on 3 April 2016. Retrieved 17 June 2026.
  21. ↑ "【香港スプリント】（Ｇ１）〜アストンマーチャン、サンアディユなど１１頭登録 | 競馬実況web | ラジオNIKKEI". keiba.radionikkei.jp (in Japanese). Archived from the original on 13 January 2021. Retrieved 17 June 2026.
  22. ↑ "Aston Machan Race Results". en.netkeiba.com. Archived from the original on 19 April 2023. Retrieved 20 December 2025.
  23. 1 2 "マーチャン病死、Ｘ大腸炎２カ月治療も… - 競馬ニュース : nikkansports.com". www.nikkansports.com (in Japanese). Archived from the original on 5 October 2010. Retrieved 17 June 2026.
  24. ↑ "競馬実況web｜ラジオNIKKEI". ラジオNIKKEI (in Japanese). Archived from the original on 11 May 2024. Retrieved 17 June 2026.
  25. ↑ 『優駿』 ["Yushun"] (in Japanese). December 2012. p. 19.
  26. ↑ "アストンマーチャン｜ウマ娘 プリティーダービー 公式ポータルサイト｜Cygames". ウマ娘 プリティーダービー 公式ポータルサイト (in Japanese). Retrieved 31 December 2025.
  27. ↑ "Aston Machan -Don't you forget about me – Umadacchi Densetsu". 12 March 2023. Archived from the original on 30 March 2026. Retrieved 18 June 2026.
  28. ↑ Japan Bloodhorse Breeders' Association. "Aston Machan Five-generation Pedigree Table". jbis.jp. Archived from the original on 27 December 2025. Retrieved 20 December 2025.
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