Dennis "Denny" Zimmerman (born December 14, 1940, Glastonbury, Connecticut), is a retired American racecar driver. Zimmerman raced in the USAC Championship Car series in the 1968, 1969, 1971, and 1972 seasons, with 16 career starts, including the 1971 and 1972 Indianapolis 500. Of those starts, his only top ten finish was the 1971 Indianapolis 500, where he finished 8th and was named Rookie of the Year.
Indy 500 results
|1969||Gerhardt||Chevrolet||Failed to Qualify|
|1970||Gerhardt||Offy||Failed to Qualify|
|1974||Cecil||Offy||Failed to Qualify|
| Indianapolis 500
Rookie of the Year
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