You've got me thinking. I know of two drivers who raced in 7 decades. Hershal McGriff, a California NASCAR pioneer, who raced from the late 40's until just a couple of years ago. He might still be taking an occasional spin around a race track! And eastern midget great Len Duncan who began his career in 1927. I last saw Duncan race in a midget event at Bridgeport, NJ in 1983. He took a wild flip down the backstretch and limited his racing to TQ's for a short time after that. Sadly, Duncan passed away in a Philadelphia area nursing home several years ago. He was an eight time ARDC champion and won the 1955 AAA Eastern midget championship.