[1] Henderson has also competed in the ASA National Tour, the Southern All Star Super Late Model Series, and the Championship Off-Road Pro 4 Division.
[2][3] (key) (Bold – Pole position awarded by qualifying time.
Italics – Pole position earned by points standings or practice time.
(key) (Bold – Pole position awarded by qualifying time.
Italics – Pole position earned by points standings or practice time.