The heart of the Festival of Speed (and its most iconic feature) is undoubtedly the Hill Climb track, watching historic racing cars and supercars and more modern machinery storm up the track is truly a sight to behold.
The Porsche 935 above was once raced by Paul Newman and has a very fascinating history. See this link for more information.
1973 Porsche 911 Carrera RS IROC driven by Peter Revson. From Wikipedia: “Peter Jeffrey Revson was an American race car driver and heir to the Revlon cosmetics fortune. He was a multiple Formula One race winner and had success at the Indianapolis 500”.
This 1973 Porsche 911 Carrera RSR driven by Herbert Müller and Gijs van Lennep Le Mans to 4th overall at the legendary Le Mans 24hr race.
Cars of note in this gallery: Rothmans Porsche 962C (chassis #006) 1987 Le Mans 24 Hour winner, Porsche 961 #203 (based on the Porsche 959), 1978 Martini Racing Porsche 935, the Iseki Porsche 962 and a 1997 Playstation Porsche 911 GT1.