1980 - Mackie Heimbaugh

		Heat	Dash	B Feature	A Feature

6/7/1980

Knoxville Raceway - Knoxville, IA 410 Sprints - Non-Winged				Results
Mackie Heimbaugh (410 Sprints - Non-Winged)	-	-	-	11th

6/28/1980

Knoxville Raceway - Knoxville, IA 410 Sprints - Non-Winged				Results
Mackie Heimbaugh (410 Sprints - Non-Winged)	-	-	-	13th

7/19/1980

Knoxville Raceway - Knoxville, IA 410 Sprints - Non-Winged				Results
Mackie Heimbaugh (410 Sprints - Non-Winged)	-	-	-	14th