IOWA (USA)
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1967 - AUDUBON COUNTY SPEEDWAY.
Audubon County Speedway opened in 1967 as a 3/8 mile dirt oval speedway within the existing Audubon County Fairgrounds. Racing continued through until 1976 when the Fairground Board stopped holding speedway events.
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1986 - BULL VALLEY SPEEDWAY.
Speedway racing recomenced at the Fairgrounds in 1986 and proceded to build a strong following. The track earnt a reputation for its high speeds which attracted many Stock Car and Modified drivers, thus bringing in the spectators.
Racing continued through until 2005 when the Fairground Board once again decided to drop all speedway racing off its future program.
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1994 - AUDUBON COUNTY SPEEDWAY. Location.
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2006 - AUDUBON COUNTY SPEEDWAY. Location.
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2018 - AUDUBON COUNTY SPEEDWAY. Location.
