|First race||United States Grand Prix||Watkins Glen||October 8, 1961||Race results|
|Last race||United States Grand Prix||Watkins Glen||October 4, 1964||Race results|
A four time SCCA Road Racing Champ, Walt Hansgen's F1 career was brief, consisting of two outings at the US Grand Prix in 1961 and 1964 He also raced in the 1964 and 1965 Indianapolis 500 finishing 13th and 14th. He died when he crashed his sports car at the Le Mans tests during the spring of 1966.
Hansgen was a dominant road racer in the 1950s through to his death, winning numerous races at Virginia International Raceway, the famed course at Bridgehampton and Watkins Glen. He participated in several 24-hour events. He also introduced Mark Donohue to professional road racing.