William Lambros

William J. Lambros (born May 6, 2003) is an American professional stock car racing driver. He last competed part-time in the NASCAR Craftsman Truck Series, driving the No. 2 Ford F-150 for Reaume Brothers Racing.

Racing career Lambros has previously competed in series such as the SMART Modified Tour, the Monaco Modified Tri-Track Series, the Formula 4 United States Championship, the TC America Series, and the Michelin Pilot Challenge.

Lambros first raced at the age of five, competing in go-karts. He then won his first karting championship at the age of thirteen before earning his racing license after completing the Skip Barber 3-Day Racing School and 2-Day Advanced Racing School. He then joined the Skip Barber Driver Development program in 2018.

In 2025, it was revealed that Lambros would make his debut in the NASCAR Craftsman Truck Series at Lime Rock Park, driving the No. 2 Ford for Reaume Brothers Racing. He made his second Truck Series start in the same truck later in the summer at Watkins Glen International.

Personal life Lambros is the older brother of fellow racing driver Dean Lambros.

Motorsports career results

Complete Formula 4 United States Championship results (key) (Races in bold indicate pole position) (Races in italics indicate fastest lap) Year Entrant 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 DC Points 2018 Momentum Motorsports w/ Skip Barber Momentum F4 VIR1 VIR2 VIR3 ROA1 ROA2 ROA3 MOH1 MOH2 MOH3 PIT1 PIT2 PIT3 NJMP122 NJMP217 NJMP318 COTA1 COTA2 42nd 0

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 NASCAR Craftsman Truck 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 21 22 23 24 25 Pts Ref 2025 Reaume Brothers Racing 2 Ford DAY ATL LVS HOM MAR BRI CAR TEX KAN NWS CLT NSH MCH POC LRP27 IRP GLN35 RCH DAR BRI NHA ROV TAL MAR PHO 64th 12

Season still in progress Ineligible for series points

SMART Modified Tour