Denton was the winner in an all-Knoxville Dragway showdown in the Box class where Kaleb McDaniel was his final-round opponent.
Hagler from Knoxville Dragway posted the winning effort in the Mod (No Box) final. Ken Hebert, who represented Crossville Dragway, also advanced to the final round.
Bigham, in the familiar white Plymouth Duster, also represented Crossville Dragway in the Sportsman class. He faced off with Warren Howard from Alabama International Dragway in the final.
Josiah Varner from Alabama International Raceway raced to the Junior Dragster victory as Collin Pritchett from Knoxville Dragway was runner-up.
More racing was scheduled for Friday with the main event slated for Saturday.
