William J. Lambros Bio
William J. Lambros (born May 6, 2003) is an American professional stock car racing driver. He competes in the NASCAR Craftsman Truck Series, driving the No. 2 Ford F-150 for Reaume Brothers Racing.
Lambros brings a diverse motorsports résumé to NASCAR, with prior competition in 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. He made his NASCAR Craftsman Truck Series debut in 2025 at the age of twenty-two, marking a significant step up in his racing career. He last competed part-time in the NASCAR Craftsman Truck Series, driving the No. 2 Ford F-150 for Reaume Brothers Racing.
Early Life and Background
William J. Lambros was born on May 6, 2003, in Montauk, New York, USA. Growing up in the northeastern United States, he was immersed in a family environment centered around motorsports. Lambros first sat in a go-kart at the age of five, beginning a racing journey that would span more than a decade and multiple disciplines before reaching the national NASCAR ranks.
His progression through the karting ranks was steady and intentional. He won his first karting championship at age thirteen, a milestone that signaled his readiness for more advanced forms of competition. To formalize his driver education, Lambros completed the Skip Barber 3-Day Racing School and the Skip Barber 2-Day Advanced Racing School, earning his racing license and gaining the technical foundation that underpinned his later success in formula and sports car racing.
Path to NASCAR
In 2018, Lambros joined the Skip Barber Driver Development program, an elite training initiative that has produced numerous professional racers. The program provided structured coaching, seat time, and competitive opportunities that sharpened his race craft across a range of circuits and conditions. That same period overlapped with his entry into the Formula 4 United States Championship, introducing him to open-wheel racing and the demands of a professional series calendar.
Beyond formula cars, Lambros broadened his résumé by competing in the TC America Series and the Michelin Pilot Challenge, gaining experience in GT and touring car machinery. He also spent time in the SMART Modified Tour and the Monaco Modified Tri-Track Series, developing expertise on the tight, high-banked oval circuits that define Northeast modified racing. This varied background across road courses, ovals, and sports car venues gave him the technical adaptability that set the stage for his entry into NASCAR in 2025.
William J. Lambros Career
Early Career (2018–2024)
Lambros’s early professional career was defined by breadth rather than single-series specialization. He competed in the Formula 4 United States Championship, accumulating experience in open-wheel machinery and learning the discipline of a multi-event championship season. Alongside his formula car program, he entered the TC America Series and the Michelin Pilot Challenge, further building his skills on a mix of road courses and professional circuit layouts.
His time in the SMART Modified Tour and the Monaco Modified Tri-Track Series added a critical oval component to his experience. Modified racing demands precision car control at close quarters and consistency on surfaces that vary widely from track to track. Lambros’s performance across these series earned him the opportunity to advance toward national NASCAR competition, and by 2024 he had established himself as a versatile driver capable of competing effectively on both road courses and ovals.
NASCAR Craftsman Truck Series Breakthrough (2025)
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 F-150 for Reaume Brothers Racing. Lime Rock Park is a classic, tight road course in Connecticut, a venue that plays to the strengths of a driver with Lambros’s background in open-wheel and sports car racing. His performance there demonstrated that his diverse experience translated directly to NASCAR competition.
He made his second Truck Series start in the same truck later in the summer at Watkins Glen International, the historic road course in upstate New York located not far from his hometown of Montauk. Back-to-back road course starts in his debut Truck Series season allowed Lambros to build confidence and track-specific knowledge in a format where he entered with a pre-existing competitive edge. Both starts came under the Reaume Brothers Racing banner, providing continuity and a stable platform for his development as a NASCAR driver.
Reaume Brothers Racing Era (2025–Present)
Lambros joined Reaume Brothers Racing for his debut NASCAR Craftsman Truck Series season in 2025, piloting the No. 2 Ford F-150 in a part-time capacity. The team gave him the opportunity to make his national series debut without the immediate pressure of a full-season schedule, allowing him to learn at his own pace while competing in events that suited his strengths as a road course driver.
His early outings with the team at Lime Rock Park and Watkins Glen International reflected a deliberate approach to his Truck Series introduction. By targeting road course events where his prior experience gave him the best chance to compete effectively, Lambros and Reaume Brothers Racing maximized the impact of each start. The partnership established a foundation for continued growth as he looks to expand his NASCAR schedule in future seasons.
Driving Style and Strengths
Lambros’s driving style reflects the diversity of his motorsports background. His karting roots gave him an early sense of car control and spatial awareness, while his open-wheel and sports car experience sharpened his braking precision and racing line management. These attributes are particularly valuable on road courses, where technical mastery and adaptability are essential to competitive performance.
Notable Races and Milestones
Lambros’s debut NASCAR Craftsman Truck Series start at Lime Rock Park in 2025 stands as a career milestone, marking his arrival in national NASCAR competition. His follow-up start at Watkins Glen International later that same summer was equally significant, as it brought him full circle to a region closely associated with his personal and racing roots in New York.
William J. Lambros Career Wins
William J. Lambros’s professional racing résumé spans multiple disciplines, from karting to modified racing to sports cars and open-wheel machinery. His first major championship victory came in karting at the age of thirteen, an early indicator of the competitive fire that would drive his progression through the motorsport ladder.
NASCAR Craftsman Truck Series Highlights
Lambros made his NASCAR Craftsman Truck Series debut in 2025 at Lime Rock Park, driving the No. 2 Ford F-150 for Reaume Brothers Racing. He followed that start with a second Truck Series appearance at Watkins Glen International later in the summer, competing in the same truck. As of the 2025 season, he is building his Truck Series résumé through these road course opportunities with the Reaume Brothers Racing team.
Other Wins and Performances
Before reaching NASCAR, Lambros accumulated race results in 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. His karting championship at age thirteen remains his earliest documented major title. His work in the Skip Barber Driver Development program in 2018 further established his credentials as a developing professional driver.
William J. Lambros Family
Family Background and Racing Lineage
William J. Lambros was raised in a motorsports-oriented family in Montauk, New York. His younger brother, Dean Lambros, is also a professional racing driver, making the Lambros family one with genuine multi-generational and sibling ties to competitive motorsports. Dean’s career in racing provided William with both a built-in training partner and a shared familial passion for the sport from an early age.
Personal Life
Born on May 6, 2003, in Montauk, New York, William Lambros grew up in the northeastern United States and spent his formative years immersed in the regional motorsports scene. He currently competes as a professional driver in the NASCAR Craftsman Truck Series. Details regarding his personal interests, education, and off-track activities are not publicly documented.
2025 Season Performance
William J. Lambros’s 2025 season marked his formal arrival in the NASCAR Craftsman Truck Series. Competing part-time for Reaume Brothers Racing in the No. 2 Ford F-150, he made his national series debut at Lime Rock Park, a road course that played to his strengths as a driver with an extensive sports car and open-wheel background. The start represented the culmination of a development path that included karting, Skip Barber, Formula 4, modified racing, and sports car competition.
Lambros built on his Lime Rock debut with a second Truck Series start at Watkins Glen International later in the summer. Racing in the same No. 2 Ford for Reaume Brothers Racing, he continued to gain experience in NASCAR’s third-tier national series while competing at a venue in his home region. The two-event schedule reflected a measured, development-focused approach to his first season, giving him the chance to learn the Truck Series and its competitors without the demands of a full campaign.
As the 2025 season progressed, Lambros’s performance in his limited schedule demonstrated the value of his diverse racing background. His road course starts provided Reaume Brothers Racing with a driver who arrived with pre-existing familiarity of circuit racing at a high level. Moving forward, he represents a young, developing talent in the NASCAR Craftsman Truck Series with the potential to expand his role as he continues to build experience and results.