Gran Premio San Isidro
| Class | Group 1 |
|---|---|
| Location | Hipódromo de San Isidro |
| Race information | |
| Distance | 1600 meters |
| Surface | Turf |
| Qualification | Three-years-old and up |
| Weight | Weight for Age |
| Purse | $34,000,000 ARS (2024) 1st: $17,000,000 ARS |
The Gran Premio San Isidro - Copa Dr. Melchor Ángel Posse is a Group 1 thoroughbred horse race run at Hipódromo de San Isidro in Buenos Aires, Argentina, open to horses three-years-old and older. It is run over a distance of 1600 metres (0.99 mi) on the turf.