Alex Quarterley

Alexander Quarterley (born December 11, 1993) is an American professional stock car racing driver and crew chief who works for Mullins Racing as the crew chief of their No. 3 Ford in the ARCA Menards Series driven by Willie Mullins. As a driver, he competes part-time in the ARCA Menards Series for his family team, 1/4 Ley Racing. He is the son of fellow racing driver Dale Quarterley.

Racing career Quarterley has previously competed in series such as the PASS North Super Late Model Series, the PASS National Championship Super Late Model Series, the Carolina Pro Late Model Series, and the Granite State Pro Stock Series.

In 2024, it was revealed that Quarterley would make his debut in the ARCA Menards Series at Watkins Glen International, driving the No. 3 Chevrolet for his father Dale's team, 1/4 Ley Racing. After placing seventeenth in the lone practice session, he qualified in seventeenth and finished two laps down in eighteenth.

Quarterley crew chiefed Mullins Racing's No. 3 car in the 2026 ARCA season opener at Daytona driven by team owner Willie Mullins.

Motorsports results ARCA Menards Series (key) (Bold – Pole position awarded by qualifying time. Italics – Pole position earned by points standings or practice time. * – Most laps led.) ARCA Menards Series results Year Team No. Make 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Pts Ref 2024 1/4 Ley Racing 3 Chevy DAY PHO TAL DOV KAN CLT IOW MOH BLN IRP SLM ELK MCH ISF MLW DSF GLN BRI KAN TOL 95th 26 2026 1/4 Ley Racing 3 Chevy DAY PHO KAN TAL GLN TOL MCH POC BER ELK CHI LRP IRP IOW ISF MAD DSF SLM BRI KAN -* -*

ARCA Menards Series West ARCA Menards Series West results Year Team No. Make 1 2 3 4 5 6 7 8 9 10 11 12 13 Pts Ref 2026 1/4 Ley Racing 32 Chevy KER PHO TUC SHA CNS TRI SON PIR AAS MAD LVS PHO KER -* -*