Ontario Motor Speedway was a motorsport venue located in Ontario, California. It was the first and only automobile racing facility built to accommodate major races sanctioned by all of the four dominant racing sanctioning bodies: USAC for open-wheel oval car races; NASCAR for a 500-mile oval stock car races; NHRA for drag races; and FIA for For…
Ontario Motor Speedway was a motorsport venue located in Ontario, California. It was the first and only automobile racing facility built to accommodate major races sanctioned by all of the four dominant racing sanctioning bodies: USAC for open-wheel oval car races; NASCAR for a 500-mile oval stock car races; NHRA for drag races; and FIA for Formula One road course races. Additionally, several motorcycle races were held at the track. Constructed in less than two years, the track opened in August 1970 and was considered state of the art at the time.
Location: Ontario, California
Capacity: 180,000
Opened: August 1970
Architect: Kite & Overpeck A.I.A. Architects/John Hugenholtz of Zandvoort, Holland and Michael Parker of Portland, Oregon.
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