Race Tracks

[[Road Courses][Ovals][Drag Strips][Kart Tracks]]

Ontario Motor Speedway

Ontario Motor Speedway was located east of Los Angeles; the oval was a 2.5 mile duplicate of Indianapolis Motor Speedway, and an infield road course and a quarter mile dragstrip were added. Despite hosting Indy Cars and NASCAR it was never a financial success, and in response to rising property values it was sold to developers.

Last Updated: 2007-09-01

Table of Contents

Track Facts

Elevation: 1000 feet Latitude: 34.072284 Longitude: -117.566285 Time zone: PST/PDT (-0800/-0700)

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Historical Note

First proposed in 1956. Ground broke in 1966. The paved oval opened on September 6th, 1970, operating until December 16th, 1980. The road course opened on March 27th, 1971, operating until 1980. The dragstrip operated from 1970 to 1980.


Allan E. Brown, The History of America's Speedways: Past & Present. Comstock Park, Michigan: Brown, 2003 , ISBN 0931105617 , pp. 153. Order from National Speedway Directory

Track Office

Track: Ontario Motor Speedway N Milliken Avenue Ontario, CA 91764

Track Maps and Imagery

Ontario Motor Speedway track map

Another map showing the infield road course and the complete oval may be found Here.

The terra server link below yields the 1978 topo map of the area, showing the race track clearly.

For information on how these aerial images work, Click Here.

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