2021 Graded Racing Sire statistics
Results for offspring of sire Rio Quattro - Includes races up to and including 12/04/21
Click on any track to view details for offspring at that track only, or Click Here to return to full listing
| Track | Runners | Winners | Win rate |
| CentralPark | 24 | 5 | 20.83 |
| Crayford | 15 | 4 | 26.66 |
| Doncaster | 49 | 13 | 26.53 |
| Harlow | 51 | 11 | 21.56 |
| Henlow | 58 | 9 | 15.51 |
| Hove | 24 | 7 | 29.16 |
| Newcastle | 3 | 0 | 0 |
| Nottingham | 3 | 1 | 33.33 |
| PelawGrange | 21 | 5 | 23.80 |
| PerryBarr | 28 | 4 | 14.28 |
| Romford | 9 | 1 | 11.11 |
| Sheffield | 6 | 0 | 0 |
| Sunderland | 20 | 3 | 15 |
| Swindon | 6 | 0 | 0 |
| Towcester | 15 | 3 | 20 |
| Yarmouth | 29 | 5 | 17.24 |
| OVERALL | 361 | 71 | 19.66 |