| Date | Place |
Division |
Start |
Finish | Owner |
# |
Car | Laps | Money | Status | Laps Led |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 19 1959 | Riverside International Raceway | USAC Road Racing Championship | 34 | Lotus IX/MG | did not finish | ||||||
| Oct 11 1959 | Riverside International Raceway | USAC Road Racing Championship | Bob Challman | 121 | Lotus IX/MG 1640cc | 0 | 0 | did not qualify | 0 | ||
| Apr 3 1960 | Riverside International Raceway | USAC Road Racing Championship | 22 EM | Lotus IX/MG Twin Cam | 24 | 250 | running | 0 | |||
| Apr 26 1964 | Riverside International Raceway | SCCA US Road Racing Championship GT | Lotus Elite | did not finish | |||||||
| Oct 11 1964 | Riverside International Raceway | SCCA | Bob Challman | 22 | Lotus 23B/Ford | 0 | did not qualify | 0 | |||
| May 2 1965 | Riverside International Raceway | SCCA US Road Racing Championship | 8 | Lotus 30 Climax | 62 | running | |||||
| May 8 1966 | Laguna Seca Raceway | SCCA US Road Racing Championship | 11 | Lotus 30 | 70 | 150 | running | ||||
| Oct 16 1966 | Laguna Seca Raceway | SCCA Can-Am | 38 | 37 | 12 | Lotus 30 Cherokee/Ford | 5 | did not finish |