2025 Graded Racing Sire statistics
Results for offspring of sire Rio Quattro - Includes races up to and including 18/08/26
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| Track | Offspring | Runners | Winners | Win rate |
| Oxford | 2 | 4 | 1 | 25 |
| PerryBarr | 1 | 17 | 3 | 17.64 |
| OVERALL | 3 | 21 | 4 | 19.04 |