Track Trends
| Year | Start | End | Days | Races | Avg. Att. | Avg. Han. |
| 1966 | May 25 | July 23 | 50 | 429 | 5,573 | 323,982 |
| 1967 | May 22 | July 15 | 48 | 432 | 5,596 | 326,902 |
| 1968 | May 23 | July 20 | 51 | 459 | 5,415 | 319,386 |
| 1969 | May 20 | July 17 | 51 | 459 | 3,834 | 281,982 |
| 1970 | May 26 | July 23 | 49 | 442 | 5,078 | 327,457 |
| 1971 | May 24 | July 21 | 51 | 458 | 4,652 | 296,210 |
| 1972 | May 29 | July 20 | 46 | 415 | 4,675 | 327,818 |
| 1973 | June 11 | July 13 | 29 | 261 | 5,117 | 349,285 |
Track Renamed Commonwealth Race Course
| 1974 | June 10 | July 12 | 29 | 261 | 5,183 | 360,479 |
| December 2 | December 31 | 23 | 207 | 3,594 | 304,824 |