Mason City Motor Speedway

Third-starting Sean Johnson of Independence, Iowa, led the final six laps of Sunday's 20-lap Father's Day special, worth $1,500. ... Johnson notched his fifth career Karl Chevrolet Premier Late Model Tour victory and third this season, adding to a May 24 victory at Mason City and June 13 at his home track in Independence. ... Second-staring C.J. Horn led the opening 14 laps before being forced to pit and settling for 10th. ... Johnson and J.D. Auringer won heats. ... The feature lasted eight minutes with 15 of 17 starters completing the distance.