2021 Graded Racing Sire statistics
Results for offspring of sire Duke Special - Includes races up to and including 13/04/21
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| Track | Runners | Winners | Win rate |
| Doncaster | 12 | 1 | 8.333 |
| Henlow | 1 | 0 | 0 |
| Monmore | 12 | 3 | 25 |
| PelawGrange | 19 | 1 | 5.263 |
| Romford | 10 | 2 | 20 |
| Sheffield | 7 | 3 | 42.85 |
| Towcester | 9 | 2 | 22.22 |
| OVERALL | 70 | 12 | 17.14 |