| Belmont Stakes | |
| Grade I stakes race | |
| Location | Belmont Park Elmont, New York, U.S. |
|---|---|
| Date | June 11, 1977 |
| Winning horse | Seattle Slew |
| Winning time | 2:29.6 |
| Jockey | Jean Cruguet |
| Trainer | William H. Turner, Jr. |
| Owner | Karen L. Taylor |
| Conditions | Muddy |
| Surface | Dirt |
| Attendance | 70,229 |
The 1977 Belmont Stakes was the 109th running of the Belmont Stakes at Belmont Park in Elmont, New York held on June 11, 1977. With a field of eight horses, Seattle Slew won by four lengths in front of a crowd of 70,229 spectators. In conjunction with previously winning the Kentucky Derby and Preakness Stakes, Seattle Slew became the tenth horse to with the Triple Crown of Thoroughbred Racing, and the first to do so unbeaten. The race went off at 5:47 pm ET and was televised on CBS nationwide.[1][2]