| Lp | Tor |
Wyścigi |
Lata |
|---|---|---|---|
| 1 |  Road America |
10 | 1968-1976 |
| 2 | Laguna Seca |
8 | 1968-1975 |
| 3 | Riverside |
8 | 1969-1976 |
| 4 |  Mosport Park |
6 | 1968-1970, 1974-1976 |
| 5 | Lime Rock Park |
6 | 1968-1972 |
| 6 | Mid-Ohio |
6 | 1970-1971, 1973-1976 |
| 7 | Brainerd |
5 | 1968-1972 |
| 8 | Watkins Glen |
5 | 1972-1976 |
| 9 | Seattle |
4 | 1969-1971, 1973 |
| 10 | Edmonton Indy |
3 | 1970-1972 |
| 11 | Road Atlanta |
3 | 1972-1973, 1975 |
| 12 | Pocono |
3 | 1973, 1975-1976 |
| 13 | Continental Divide |
2 | 1968-1969 |
| 14 | Thompson |
2 | 1968-1969 |
| 15 | Sears Point |
2 | 1969-1970 |
| 16 | St Jovite, Mont-Tremblant |
2 | 1969-1970 |
| 17 | Sebring |
2 | 1969-1970 |
| 18 | War Bonnet |
1 | 1968 |
| 19 | Dallas |
1 | 1970 |
| 20 | Michigan |
1 | 1973 |
| 21 | Ontario |
1 | 1974 |
| 22 | Long Beach |
1 | 1975 |