Janet Guthrie, American race car driver

Janet Guthrie is an American former racing driver. She is the first female to qualify and race in either the Indianapolis 500, or the Daytona 500, both of which she competed in during 1977. She had first attempted to enter the Indianapolis 500 in 1976 but failed to qualify. She raced in three Indianapolis 500s: 1977 through 1979. She is also the first woman to lead a lap in NASCAR Cup Series competition.

March 7 is the 66th day of the year in the Gregorian calendar; 299 days remain until the end of the year.