Spencer Moritz Gallagher Bio
Spencer Moritz Gallagher (born November 20, 1989) is an American professional stock car racing driver. He has competed part-time in the ARCA Menards Series, driving the No. 23 Chevrolet for Sigma Performance Services, as well as part-time in the ARCA Menards Series East and West. Gallagher is the son of Maurice J. Gallagher Jr., CEO of Allegiant Air. In 2018, he stepped away from full-time racing to take on a managerial role at GMS Racing.
Early Life and Background
Gallagher was born in Las Vegas, Nevada. He began racing at the age of twelve in the Bandolero Bandit Series before progressing to the Legends Car Series at the Las Vegas Motor Speedway Bullring. Early in his career, Gallagher won the Silver State Road Racing Championship in 2009 and the INEX Legends Road Course World Finals in 2010. He also competed in six Super Late Model Series races, achieving a best finish of fourth.
Gallagher and fellow driver Dylan Kwasniewski grew up in the same neighborhood, though their first meeting was on the racetrack. Before fully committing to racing, Gallagher worked for a Silicon Valley software company at age nineteen. His racing prospects improved significantly after advice from car owner and former driver T.J. Clark in 2009.
Path to NASCAR
Gallagher made his debut in the ARCA Racing Series in 2011 at Indianapolis Raceway Park. He ran a full schedule in 2012, finishing seventh in points with six top-ten finishes. In 2013, he improved to ten points position with multiple top-five and top-ten finishes despite missing races due to a concussion. Gallagher also attempted several Camping World Truck Series races during this period, with a best finish of twentieth at Texas.
His early exposure to NASCAR’s developmental series included starts in the K&N Pro Series West and East in 2011 and 2012. These opportunities laid the foundation for his transition to national NASCAR series competition.
Spencer Moritz Gallagher Career
Early Career (2011–2013)
Gallagher’s initial years in ARCA saw steady progress. In 2012, he completed the full nineteen-race schedule, earning six top-ten finishes and seventh in the championship standings. The following year, he led laps in multiple races and secured five top-five finishes, demonstrating his growing competitiveness despite setbacks like a concussion that caused him to miss a race.
During this time, Gallagher also gained experience in the Camping World Truck Series, attempting five races and achieving a best finish of twentieth. These early years were crucial for developing his racecraft and familiarity with NASCAR’s national series.
ARCA and Truck Series Breakthrough (2014–2015)
In 2014, Gallagher ran the full ARCA schedule and a partial Truck Series schedule, sharing the No. 23 truck with Max Gresham. He earned his first ARCA win at the season finale at Kansas Speedway, starting 32nd and leading the final 32 laps. That year, he also achieved a Truck Series best finish of third at Talladega, showcasing his ability on superspeedways.
Gallagher transitioned to full-time Truck Series competition in 2015 with GMS Racing’s No. 23 truck. He recorded a notable second-place finish at Gateway Motorsports Park, signaling his rising profile in the series.
Xfinity Series and Cup Debut (2016–2018)
Gallagher began running a limited Xfinity Series schedule in 2016, scoring his first top-ten finish at Daytona. In the Truck Series, he maintained consistent performance with five consecutive top-ten finishes early in the season. However, a crash and subsequent altercation with John Wes Townley at Gateway Motorsports Park led to a fine and probation. He finished second at Talladega behind teammate Grant Enfinger that year.
In 2017, Gallagher moved up to the Xfinity Series full-time with GMS Racing, driving the No. 23 Chevrolet. The season included some on-track incidents and criticism from fellow drivers, reflecting the competitive and intense nature of the series.
Gallagher’s first career Xfinity win came in April 2018 at Talladega, where he passed Tyler Reddick on the final lap in overtime. Shortly after, he was suspended indefinitely by NASCAR for violating its substance abuse policy, which affected his playoff eligibility. After reinstatement, he returned to racing and made his Monster Energy NASCAR Cup Series debut in August 2018 with BK Racing at Watkins Glen International.
Later in 2018, Gallagher stepped away from full-time racing to focus on managing his father’s racing organization, GMS Racing, exploring opportunities off the track.
Sigma Performance Services Era (2025–Present)
After several years away from competition, Gallagher announced his return to racing in 2025. He will compete part-time in the ARCA Menards Series East at Rockingham Speedway and in the main ARCA series at Talladega Superspeedway, Kansas Speedway, and Charlotte Motor Speedway, driving Chevrolet vehicles for Sigma Performance Services. This marks his first racing starts since 2018 and signals a renewed focus on competition.
Driving Style and Strengths
Gallagher has demonstrated strength on superspeedways, with notable performances at Talladega and Kansas Speedway. His racecraft includes strategic late-race moves, exemplified by his overtime win at Talladega in the Xfinity Series. His experience across ARCA, Truck, and Xfinity Series has contributed to a versatile driving style adaptable to various track types.
Notable Races and Milestones
Key milestones in Gallagher’s career include his first ARCA win at Kansas Speedway in 2014, his first Truck Series podium at Talladega the same year, and his breakthrough Xfinity Series victory at Talladega in 2018. His Cup Series debut at Watkins Glen marked his entry into NASCAR’s top tier. His career has also involved moments of controversy and resilience, including on-track altercations and a suspension followed by reinstatement.
Spencer Moritz Gallagher Career Wins
Gallagher’s verified wins include his 2014 ARCA victory at Kansas Speedway and his 2018 Xfinity Series win at Talladega. These wins highlight his competitiveness in NASCAR’s developmental and national series.
ARCA Menards Series Highlights
Gallagher’s ARCA career featured a full schedule in 2014 culminating in his first series win at Kansas Speedway. His consistent performances in ARCA helped establish his reputation and facilitated his progression to higher NASCAR series.
Xfinity Series Highlights
Gallagher’s first and only Xfinity Series win came in 2018 at Talladega, where he executed a decisive pass in overtime. This victory was a career highlight and demonstrated his capability to compete at a high level in NASCAR’s second-tier series.
Other Wins & Performances
In the Truck Series, Gallagher earned multiple top-ten finishes and podiums, including a second-place finish at Talladega in 2016. His Truck Series tenure was marked by steady improvement and competitive runs on superspeedways.
Spencer Moritz Gallagher Family
Family Background and Racing Lineage
Spencer Gallagher is the son of Maurice J. Gallagher Jr., CEO of Allegiant Air. His family background includes significant involvement in business and motorsports, with Gallagher leveraging this support in his racing career.
Personal Life
Details about Gallagher’s personal life, including marital status and children, are not publicly documented. He has maintained a professional focus on his racing career and managerial roles within motorsports organizations.
2025 Season Performance
Gallagher’s 2025 season marks his return to competitive racing after a hiatus. He is scheduled to compete part-time in the ARCA Menards Series and ARCA Menards Series East with Sigma Performance Services. This comeback offers an opportunity to reestablish himself on the track and contribute his experience to the team. His performance in these events will be closely watched by fans and industry observers as he balances racing with his managerial responsibilities.