Complex sentence: In 2013, driving a Dodge Challenger for Miller Racing in the TA2 Class, Lawrence claimed victory in 8 of the championship's 10 rounds en route to his first professional championship, becoming the youngest champion in the Trans-Am Series' entire history.
Split into simpler sentences: In 2013, driving a Dodge Challenger for Miller Racing in the TA2 Class, Lawrence claimed victory in 8 of the championship's 10 rounds en route to his first professional championship. In the process, Lawrence also became the youngest champion in the Trans-Am Series' entire history.