The oldest driver by age who entered a Formula One race was Louis Chiron at the age of 55 years and 292 days in the 1955 Monaco Grand Prix
Harry Gant became the oldest driver to win a NASCAR Cup point race at age 52 by winning the Winston Cup event in Michigan, August 16, 1992.
Bobby Allison was the oldest Nascar driver to win the Coca-Cola 600, at 46 years old. Allison won the race on May 27, 1984 and it was known as the World 600.
The Nascar driver who started the race, gets the points and the credit for the win. It doesn't matter who finished the race for them.
Harry Gant
Trevor Bayne
Harry Gant
Juan Pablo Montoya
I believe it was Wendell Scott, I know he is the only black driver to win a Nascar race, the race he won was in Jacksonville, Florida at speedway park on December, 1st 1963, he retired in 1973.
Darrell Waltrip
Trevor Bayne at 20 years and 1 day.
Luigi Fagioli was the oldest driver to win a race, not sure if that answers your question though.
The Daytona 500 is the most prestigious race in Nascar to win. It's the sports Super Bowl.
The Nascar Driver That Gave His Owner His 200th Win Was Jimmie Johnson At Darlington.