Three-time Lucas Oil Pro Motocross Champion James "Bubba" Stewart officially announces his retirement from the sport he left a lasting impact on.

Updated championship statistics entering the 2019 Bell Helmets Hangtown Motocross Classic, Round 1 of the Lucas Oil Pro Motocross Championship.

Historical statistics for the 2019 Bell Helmets Hangtown Motocross Classic, Round 1 of the Lucas Oil Pro Motocross Championship.

NBC, NBC Sports, MAVTV, and NBC Sports Gold team up to provide more than 120 hours of Lucas Oil Pro Motocross Championship content in 2019, highlighted by a total of 94 hours of live coverage across broadcast and digital platforms.

The 2019 Lucas Oil Pro Motocross Championship kicks off in just a matter of days. See what's new as the world's most prestigious off-road motorcycle racing series gears up for a summer-long battle amongst the fastest riders on the planet.

The Racer X team continues its dive into the storylines surrounding this summer's Lucas Oil Pro Motocross Championship, this time focusing on the wide open 250 Class.

Vital MX's GuyB gets up close and personal with the bikes and riders at the inaugural motocross "Spring Training" day at Fox Raceway.

The team over at Racer X dives into the storylines surrounding the battle for the 450 Class title for this summer's Lucas Oil Pro Motocross Championship.

The Lucas Oil Pro Motocross Championship introduces the Lucas Oil Ladies that will join the world's most prestigious off-road motorcycle racing series for the 2019 season.

Photo gallery of the inaugural motocross "Spring Training" day at Fox Raceway in Pala, CA.

Teams and riders contesting the 2019 Lucas Oil Pro Motocross Championship took advantage of the first ever motocross "Spring Training" day at Fox Raceway in Pala, CA.

Raw footage of the world's best riders ripping around Fox Raceway in Pala, CA, during the inaugural motocross "Spring Training" day on May 8.