No way of knowing, back in the 1920's when it started it was not a big event like it is now.
Mike Jones - motocross rider - was born in 1966.
Mark Jones - Motocross rider - was born in 1979.
Ailo Gaup - motocross rider - was born on 1979-01-22.
Practice and money.
Ryan Villopoto
a famous motocross rider
Brian is a professional Freestyle Motocross rider and a founding member of the Metal Mulisha. Deegan was the first ever to do a 360. He is the most decorated Freestyle Motocross rider in X Games history with 10 total medals.
He is a Moto GP racer, not a motocross racer.
5'9"
Kyall Renshaw is a Motocross rider, the first to land a back flip (I believe), though not in competition.
Ride, provide maintenance for bike and train.
yes James Stewart