CLARKSVILLE, TN (CLARKSVILLE NOW) – The Montgomery County Fair continues this weekend at the Clarksville Speedway, bringing the fun with carnival rides, races and more. The fair will continue through Aug. 3. Admission is $7 for adults (ages 12 and up), kids 4-11 $4, 3 and younger free. Parking is included in admission. Rides have separate charges, and armbands are available for purchase.