Bold Reasoning
| Bold Reasoning | |
|---|---|
| Sire | Boldnesian | 
| Grandsire | Bold Ruler | 
| Dam | Reason To Earn | 
| Damsire | Hail To Reason | 
| Sex | Stallion | 
| Foaled | 1968 | 
| Country | United States | 
| Colour | Brown | 
| Breeder | Leon Savage | 
| Owner | Kosgrove Stable | 
| Trainer | Nick Gonzales | 
| Record | 12: 8-2-0 | 
| Earnings | $189,564 | 
| Major wins | |
| Jersey Derby (1971) Withers Stakes (1971) | |
Bold Reasoning (April 29, 1968 – April 24, 1975) was an American thoroughbred racehorse. He is best known as being the sire of the 1977 Triple Crown winner, Seattle Slew.