Mason Massey

William Mason Massey IV (born January 24, 1997) is an American professional stock car racing driver. He competes full-time in the NASCAR Craftsman Truck Series, driving the No. 02 Chevrolet Silverado for Young's Motorsports and part-time in the NASCAR Xfinity Series, driving the No. 14 Chevrolet Camaro for SS-Green Light Racing. He has also competed in the ARCA Menards Series East in the past. Massey has recorded over 200 feature wins, 11 championships, and 10 track records across multiple classes.

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 DQ.

He 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 7 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 11th place.

On February 12, 2024, it was announced that Massey will run full-time in the Truck Series in 2024, driving the No. 02 truck for Young's Motorsports.

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 12-race schedule in 2021.

In 2022, he joined DGM Racing to drive the No. 91 for every oval race. Massey achieved a career best 6th place finish at the spring Atlanta race.

In 2023 he drove 5 races for SS-Green Light Racing and DNQ'd once for Alpha Prime Racing.

Personal life
Massey suffers from stuttering, which was the subject of a short film titled "Dust and Dirt", which was showcased at the Sundance Film Festival in 2017.

NASCAR
(key) ( Bold – Pole position awarded by qualifying time. Italics – Pole position earned by points standings or practice time. * – Most laps led. )

Craftsman Truck Series
$$ Season still in progress $1$ Ineligible for series points