Series History
![Racer X Celebrates 50 Years of Pro Motocross: 1973]()
Racer X Celebrates 50 Years of Pro Motocross: 1973
April 10, 2022
Racer X takes a deep dive into the history of the Lucas Oil Pro Motocross Championship, looking back at each season leading up to the start of the 50th anniversary this May.![Racer X Celebrates 50 Years of Pro Motocross: 1972]()
Racer X Celebrates 50 Years of Pro Motocross: 1972
April 9, 2022
Racer X takes a deep dive into the history of the Lucas Oil Pro Motocross Championship, looking back at each season leading up to the start of the 50th anniversary this May.
