| Circuit, activate to sort | Location | Country, sorted ascending. Activate to reverse. | Grands Prix, activate to sort | Last GP, activate to sort |
|---|---|---|---|---|
| Riverside International Raceway | California | USA | 1 | 20 Nov 1960 |
| Sebring International Raceway | Florida | USA | 1 | 12 Dec 1959 |
| Watkins Glen | New York State | USA | 20 | 5 Oct 1980 |