Mason Massey
William Mason Massey IV is an American professional stock car racing driver. He currently competes-full time in the ARCA Menards Series West, driving the No. 19 Chevrolet for Bill McAnally Racing. He has previously competed in the NASCAR Xfinity Series and the NASCAR Craftsman Truck Series.
Massey has recorded over 200 feature wins, eleven championships, and ten track records across multiple classes.
Racing career
K&N Pro Series East
Massey competed in two NASCAR K&N Pro Series East races in 2014 for DRIVE Technology.Craftsman Truck Series
Massey made his NASCAR Gander Outdoors Truck Series debut in the 2019 M&M's 200 at Iowa Speedway. He placed 22nd in the event, and was moved up one position after Ross Chastain's disqualification.Massey was scheduled to run the full NASCAR Craftsman Truck Series in 2023 for Reaume Brothers Racing in the No. 33 Ford F-150, but left the team seven races into the season. On April 1, 2023, at Texas Motor Speedway in the SpeedyCash.com 250, Massey had his best career Truck Series finish of eleventh place.
On February 12, 2024, it was announced that Massey would run full-time in the Truck Series in 2024, driving the No. 02 truck for Young's Motorsports. However, he parted ways with the team after the race at Richmond.
Xfinity Series
On January 28, 2020, it was announced that Massey would drive the No. 99 for B. J. McLeod Motorsports for a portion of the 2020 NASCAR Xfinity Series season, with his first race at Las Vegas Motor Speedway. After the season was over, Massey returned to a track that he raced earlier in his career to win the dirt crate late model feature at Senoia Raceway's Fall Nationals.Massey rejoined BJMM and the No. 99 on a twelve-race schedule in 2021.
In 2022, Massey joined DGM Racing to drive the No. 91 for every oval race. Massey achieved a career-best sixth-place finish at the spring Atlanta race.
In 2023, Massey drove five races for SS-Green Light Racing and DNQ'd once for Alpha Prime Racing.
In 2025, Massey competed part-time with Alpha Prime Racing in the No. 45 Chevrolet.
ARCA Menards Series West
On January 13, 2026, it was announced that Massey will drive full-time in the ARCA Menards Series West, driving the No. 19 Chevrolet for Bill McAnally Racing.Personal life
Massey has a stutter, which was the subject of a short film titled "Dust and Dirt", which was showcased at the Sundance Film Festival in 2017.Motorsports career results
ARCA Menards Series
ARCA Menards Series West
Season still in progressIneligible for series points