2021 Graded Racing Sire statistics
Results for offspring of sire Duke Special - Includes races up to and including 29/06/22
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| Track | Runners | Winners | Win rate |
| CentralPark | 7 | 4 | 57.14 |
| Doncaster | 54 | 5 | 9.259 |
| Henlow | 1 | 0 | 0 |
| Monmore | 37 | 7 | 18.91 |
| Newcastle | 11 | 1 | 9.090 |
| PelawGrange | 37 | 6 | 16.21 |
| Romford | 12 | 2 | 16.66 |
| Sheffield | 7 | 3 | 42.85 |
| Towcester | 29 | 7 | 24.13 |
| OVERALL | 195 | 35 | 17.94 |