THE HISTORY OF GRUNDY COUNTY SPEEDWAY

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The Grundy County Speedway Fairgrounds was originally located at Mazon, Illinois and
was built at the turn of the century. The original track was a 1/2 mile, racing the old A.A.A.
sanctioning body. For years, the greatest race car drivers in the US, participated at the
Grundy County Fair. Such drivers as, Wilber Shaw, Mauri Rose, & the late Tony
Bettenhausen.
In 1941, the Midget Race Car became the popular.  So the 1/2 mile track was torn up
and a 1/4 mile asphalt high-banked track was built. This track was known all over the
country as the Mazon Speed-Bowl.
In 1970, the Grundy County Fair Board was faced with a situation where the fairgrounds
were obsolete and there was no adjacent land available for expansion. That was when the
fairgrounds was moved to Morris, Illinois. The new fairgrounds opened in May of 1971
with Stock Car Racing and has continued until the present time.

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The track is a 1/3 mile with a asphalt surface. The racing surface is 60 feet wide with
22 degrees banking in the turns and 12 degrees on the straights.  With speeds in excess
of 80 MPH.  Midget Driver, Duane Pierson holds the track record  of 14.548.
The track is surrounded by 144,  1500-watt Quartz lights for a total of over 216,000 watts 
of lighting. The grandstands are made of all steel construction with aluminum seats and
wooden steps with a capacity of over 4000.
Grundy County Fairgrounds & Speedway is located on Route 47. Just North of I-80 in
Morris, Illinois.  Racing begins late April until Labor Day Weekend, every Friday night.
Time Trails begin at 6:45PM with the first race scheduled for a 8:00PM start.