US Road Racing Championship at Road America, 1963.
50:42
Phil Hill "Road America" Elkhart Lake 1955
21:21
1967 CanAm Challenge Road America
19:20
1963 Road America 500 - Dave MacDonald & Bob Bondurant win GT Class in Shelby Cobra CSX2136
25:26
Formula 1 season #24 🏁 1973
24:27
1964 12 Hours of Sebring - (ESPN "The Glory Days of Motorsports")
26:17
Mosport 1962
24:18
1965 Bridgehampton 500
25:05