In 2010, Belmont made his ARCA Racing Series debut at the age of fifteen at Berlin Raceway, driving the No. 6 Toyota for Eddie Sharp Racing, where he would finish 28th after running only three laps due to handling issues. He would then run the next two races for the team at New Jersey Motorsports Park, where he would finish 30th due to handling issues, and the Illinois State Fairgrounds dirt track, where he would finish 31st due to suspension issues. He would make one more start in the series the following year, this time driving the No. 15 Chevrolet for Venturini Motorsports at Berlin, where he would finish 31st after running two laps due to handling issues. His most recent start as a driver came in the Bob Hilbert Sportswear Short Track Super Series Crate 602 Sportsman Tour race at Cherokee Raceway in 2020, where he would finish eighth after starting seventeenth.[2]
Belmont has previously worked at a crew member for Wood Brothers Racing and the No. 21 Ford driven by Ryan Blaney, and it was in Belmont's final year with the team that Blaney would finish ninth in the points having make it to the Round of 8 and getting a win at Pocono Raceway earlier in the year.[3] Belmont would then move over to Team Penske in 2018, where he has remained with as of 2023.[4][5] In 2022, he was assigned as the interior mechanic and tire specialist for the No. 2 Ford of Austin Cindric, who would win that years Daytona 500.[1]