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Agnes Tachyon

Agnes Tachyon
Sire Sunday Silence
Dam Agnes Flora
Grandsire Halo
Damsire Royal Ski
Gender Stallion
Foaled 1998
Country Japan
Color Chestnut
Breeder Shadai Farm
Owner Takao Watanabe
Trainer Hiroyuki Nagahama
Record 4: 4-0-0
Earnings ¥222,082,000[1]
Agnes Tachyon is a thoroughbred racehorse out of Agnes Flora by Sunday Silence. He was born around 1998 in Japan, and was bred by Shadai Farm.
Major wins
Satsuki Sho (2001)
Leading sire in Japan (2008)
Horse (Equus ferus caballus)
Last updated on July 11, 2007

Agnes Tachyon (Japanese : アグネスタキオン, April 13, 1998 - June 22, 2009) was a Japanese Thoroughbred racehorse sired by Sunday Silence.

Agnes Tachyon's dam Agnes Flora won the Oka Sho (Japanese 1000 Guineas) and his granddam Agnes Lady won the Yushun Himba (Japanese Oaks). Agnes Flora also produced the Tokyo Yushun (Japanese Derby) winner Agnes Flight.

Agnes Tachyon was undefeated in four starts including Satsuki Sho (Japanese 2000 Guineas), before a bowed tendon ended his racing career. He later became a successful sire in Japan.

Major Racing Wins </dt>

  • 2001 Satsuki Sho (Japanese 2000 Guineas) (Domestic GI)
  • 2001 Yayoi Sho (Domestic GII)
  • 2000 Radio Tampa Hai Sansai Stakes (Domestic GIII)

Agnes Tachyon died in June 2009, in Japan due to heart failure.[2]


  1. "Agnes Tachyon". PedigreeQuery.com. http://www.pedigreequery.com/agnes+tachyon. Retrieved 2009-09-06. 
  2. Bayer, Barbara (2009-06-24). "Top stallion Agnes Tachyon dies". The Japan Times Online. http://search.japantimes.co.jp/cgi-bin/sp20090624a1.html. Retrieved 2009-09-06. 


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