Visit Website Get Directions Dawson County Raceway Visit Website Get Directions Address: 1000 Plum Creek Parkway Lexington, NE 68850 Phone: (308) 325-1680 About Dawson County Fairgrounds - Races on dirt track May-Sep, Sun, 6:30pm. Late models, IMCA modifieds and stock cars. Admission: $10 adults, $5 ages 6-12, free under 6 yrs, $20 entry into the pits.