Throughout his junior karting career, Maxson advanced rapidly through the ranks, claiming a National Mini Rok title before transitioning to cars in 2019 at just 14 years of age.

[7] With four podiums in the next six races, Maxson entered the season finale at Las Vegas Motor Speedway with a 22-point deficit to points leader Nick Wittmer.

[12][13] Maxson would claim two more wins at Circuit of the Americas in September, taking the series championship by 67 points over second-placed Victor Gonzalez.

[19] 2022 saw Maxson step up to the Hyundai factory-backed Bryan Herta Autosport operation, pairing with Mason Filippi as part of six-car entry by the team.

[22] Maxson's 2023 program surrounded a dual effort, continuing in the Michelin Pilot Challenge alongside a planned season-long GT4 America campaign.

Maxson reunited with Gonzalez and Copeland Motorsports for his GT4 exploits, and claimed a pole position at COTA[25] before the team dropped off the entry list following the race weekend at VIR.

[26] The following year, Maxson embarked on a full-season effort in the new-for-2024 IMSA Ford Mustang Challenge, driving for fellow competitor Robert Noaker's family-owned operation.

He drove for GS-class competitor TGR Team Hattori Motorsports at Daytona, paired with Toyota factory driver Jack Hawksworth.