Robert Hight defeated father-in-law John Force to win the Funny Car classification of the Mile-High Nationals on Sunday.
Hight (4.215 seconds, 296.05 mph) beat Force (4.386, 284.95) in an all-John Force Racing team final for his fourth win of the season.
The other winners at the 16th race in the 23-race NHRA Full Throttle Drag Racing Series season were Doug Kalitta (Top Fuel), Allen Johnson (Pro Stock) and Andrew Hines (Pro Stock Motorcycle).
Hight knocked off defending champion Ron Capps in the quarterfinals and No. 1 qualifier Matt Hagan in the semis before beating Force, a five-time winner in Colorado.
Kalitta (3.963/308.35) beat Brandon Bernstein (4.003/297.35) for his first win of the season in Top Fuel. Bernstein stunned top qualifier and defending champion Antron Brown in the quarterfinals and points leader Larry Dixon in the semifinals.
Johnson (6.974/198.26) beat Jeg Coughlin (7.858/135.09) to win for his first victory this year and the eighth of his career Johnson led wire-to-wire with his Dodge Avenger and repeated as Pro Stock champion in Colorado.
Hines (7.342/178.02) won his third race of the year in Pro Stock Motorcycle, beating Karen Stoffer (7.402/175.94). Hines' only other win in Colorado came in 2006.