| Listed race | |
| Location | Santa Anita Park Arcadia, California, United States |
|---|---|
| Inaugurated | 1969 (as Autumn Days Stakes at Santa Anita Park) |
| Race type | Thoroughbred – Flat racing |
| Website | Santa Anita |
| Race information | |
| Distance | about 6+1⁄2 furlongs |
| Surface | Turf |
| Track | Left-handed |
| Qualification | Fillies & Mares, three-years-old and older |
| Weight | Base weights with allowances: 3-year-olds: 122 lbs. 4-year-olds and older: 126 lbs. |
| Purse | US$150,000 (since 2023) |
The Senator Ken Maddy Stakes is a Listed American Thoroughbred horse race for fillies and mares, two years old and older over a distance of about 6+1⁄2 furlongs on the Downhill turf course scheduled in early November at Santa Anita Park in Arcadia, California