Chase Sexton took third in points despite a Moto 2 fall.
The Red Rider earned his first AMA Pro Motocross crown at Ironman National.
Red Rider clinched the championship two rounds early.
Brother Hunter Lawrence regained control of the 250 Class with his fifth victory.
Jett Lawrence was flawless in his 450 debut, with a 1-1 tally at Fox Raceway.
Chase Sexton took Honda’s first premier-class AMA Supercross title in 20 years.
The title comes one week after his brother, Hunter Lawrence, won the 250SX East crown.
Debut AMA title for the 23-year-old Australian.
Lawrence stretches 250SX West Region points lead to 23
Chase Sexton scored a come-from-behind win in the premier division.
Chase Sexton came in third in 450SX after leading early.
Chase Sexton finished fifth after a dramatic night of racing in premier class.