Track Trends
Year | Start | End | Days | Races | Avg. Att. | Avg. Han. |
1966 | May 4 | June 29 | 26 | 219 | 1,185 | 48,613 |
1967 | May 5 | June 24 | 17 | 132 | 2,151 | 55,262 |
1968 | April 26 | June 29 | 29 | 169 | 1,501 | 25,128 |
1969 | April 18 | June 7 | 37 | 217 | 2,168 | 37,488 |