Mason Massey

Mason Massey
Massey at Las Vegas Motor Speedway in 2024
BornWilliam Mason Massey IV
(1997-01-24) January 24, 1997
Douglasville, Georgia, U.S.
AchievementsYoungest pole winner in the Southern All Star Racing Series (19 Years Old In 2016)
2012 Alabama 200 Winner
NASCAR Xfinity Series career
59 races run over 6 years
Car no., teamNo. 45 (Alpha Prime Racing)
2024 position93rd
Best finish28th (2022)
First race2020 Boyd Gaming 300 (Las Vegas)
Last race2025 Sport Clips Haircuts VFW 200 (Darlington)
Wins Top tens Poles
0 3 0
NASCAR Craftsman Truck Series career
30 races run over 3 years
2024 position29th
Best finish29th (2024)
First race2019 M&M's 200 (Iowa)
Last race2024 Clean Harbors 250 (Richmond)
Wins Top tens Poles
0 0 0
ARCA Menards Series East career
2 races run over 1 year
Best finish45th (2014)
First race2014 Visit Hampton VA 175 (Langley)
Last race2014 JEGS 150 (Columbus)
Wins Top tens Poles
0 0 0
Statistics up to date as of April 5, 2025.

William Mason Massey IV (born January 24, 1997) is an American professional stock car racing driver. He competes part-time in the NASCAR Xfinity Series, driving the No. 45 Chevrolet SS for Alpha Prime Racing. Massey has recorded over 200 feature wins, 11 championships, and 10 track records across multiple classes.