Clay Regazzoni
Gianclaudio Giuseppe Regazzoni
Birthplace: Mendrisio, Switzerland
Born: September 5, 1939
Died: December 15, 2006
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| Track | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Indianapolis | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 0 |
| Chassis | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| McLaren | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 0 |
| Engine | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Offy | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 0 |