Agnes Tachyon
| Agnes Tachyon | |
|---|---|
| Agnes Tachyon in December 2000 | |
| Sire | Sunday Silence | 
| Grandsire | Halo | 
| Dam | Agnes Flora | 
| Damsire | Royal Ski | 
| Sex | Stallion | 
| Foaled | 1998 | 
| Country | Japan | 
| Colour | Chestnut | 
| Breeder | Takao Watanabe | 
| Owner | Takao Watanabe | 
| Trainer | Hiroyuki Nagahama | 
| Record | 4: 4-0-0 | 
| Earnings | ¥222,082,000 | 
| Major wins | |
| Yayoi Sho (2001) Satsuki Sho (2001) | |
| Awards | |
| Leading sire in Japan (2008) | |
| Last updated on July 11, 2007 | |
Agnes Tachyon (Japanese : アグネスタキオン, April 13, 1998 - June 22, 2009) was an undefeated Japanese Thoroughbred racehorse and a Leading sire in Japan.
He was by Sunday Silence and his dam Agnes Flora (by Royal Ski) and was therefore a full-brother to Agnes Flight. Agnes Flora won the Oka Sho (Japanese 1000 Guineas) and his granddam Agnes Lady won the Yushun Himba (Japanese Oaks). He was a full-brother to Agnes Flight.
Agnes Flora also produced the Tokyo Yushun (Japanese Derby) winner Agnes Flight.