Samuel Adam Mayer (born June 26, 2003) is an American professional
stock car racing
Stock car racing is a form of Auto racing, automobile racing run on oval track racing, oval tracks and road courses. It originally used Production vehicle, production-model cars, hence the name "stock car", but is now run using cars specifical ...
driver. He competes full-time in the
NASCAR Xfinity Series
The NASCAR Xfinity Series (NXS) is a stock car racing series organized by NASCAR. It is promoted as NASCAR's second-tier circuit to the organization's top level NASCAR Cup Series, Cup Series. NXS events are frequently held as a Undercard, support ...
, driving the No. 41
Ford Mustang Dark Horse for
Haas Factory Team
Haas Factory Team (HFT) is an American professional stock car racing team that competes in the NASCAR Cup Series and the NASCAR Xfinity Series. The team is owned by Haas Automation founder Gene Haas. It made its debut in 2025, following the c ...
. His father is the founder of QPS Employment Group, and former
IndyCar Series
The IndyCar Series, officially known as the NTT IndyCar Series for sponsorship reasons, is the highest class of American open-wheel car racing in the United States, which has been conducted under the auspices of various sanctioning bodies sinc ...
driver,
Scott Mayer.
Mayer is the
2019
This was the year in which the first known human case of COVID-19 was documented, preceding COVID-19 pandemic, the pandemic which was declared by the World Health Organization the following year.
Up to that point, 2019 had been described as ...
and
2020
The year 2020 was heavily defined by the COVID-19 pandemic, which led to global Social impact of the COVID-19 pandemic, social and Economic impact of the COVID-19 pandemic, economic disruption, mass cancellations and postponements of even ...
East Series champion. He drove for
GMS Racing
GMS Racing was an American professional stock car racing team that competed in the NASCAR Craftsman Truck Series, ARCA Menards Series and the NASCAR Xfinity Series.
GMS Racing previously competed in the NASCAR Xfinity Series from 2016 to 2019 ...
(the other Drivers Edge Development team) both of those years in their No. 21 car and also won the inaugural championship of the
ARCA Menards Series
The ARCA Menards Series is an American stock car racing, stock car series, the premier division of the Automobile Racing Club of America (ARCA). It is considered a minor, semi-professional league of stock car racing, used as a feeder series into ...
Sioux Chief Showdown in
2020
The year 2020 was heavily defined by the COVID-19 pandemic, which led to global Social impact of the COVID-19 pandemic, social and Economic impact of the COVID-19 pandemic, economic disruption, mass cancellations and postponements of even ...
. Mayer started his NASCAR career driving for Jefferson Pitts Racing and
MDM Motorsports
MDM Motorsports was an American professional stock car racing team that most recently competed in the NASCAR K&N Pro Series East, the NASCAR K&N Pro Series West, and the ARCA Racing Series. The team also competed in the NASCAR Camping World Truc ...
in 2018 before joining GMS, JRM, and Chevrolet as a development driver in 2019.
Racing career

Mayer got off to an early start in racing, competing in
go-kart
A go-kart, also written as go-cart (often referred to as simply a kart), is a type of small sports car, close wheeled car, open-wheel car or quadracycle. Go-karts come in all shapes and forms, from non-motorised models to high-performanc ...
events at the age of four.
Although his father,
Scott Mayer, was an open-wheel racer, Sam chose in his preteen years to focus on
stock car racing
Stock car racing is a form of Auto racing, automobile racing run on oval track racing, oval tracks and road courses. It originally used Production vehicle, production-model cars, hence the name "stock car", but is now run using cars specifical ...
.
Over the course of the 2017 summer, during which Mayer turned fourteen, he spent the summer in
Charlotte to race
Legends cars; he won the Young Lions division of the
Charlotte Motor Speedway
Charlotte Motor Speedway (known as Lowe's Motor Speedway from 1999 to 2009 due to sponsorship reasons) is a quad-oval Oval track racing#Intermediate, intermediate speedway in Concord, North Carolina. It has hosted various major races since it ...
Summer Shootout. He also raced in a
Limited Late Model and won at
Greenville-Pickens Speedway
Greenville-Pickens Speedway is a race track located in Easley, South Carolina, just west of Greenville, South Carolina. The track hosted weekly NASCAR sanctioned races. Several NASCAR touring series have raced at the track in prior years, includ ...
to become the track's youngest winner.
He came back to Wisconsin and won a September Midwest Truck Series race at
Dells Raceway Park in his first series start.
In 2017, Mayer came in touch with industry veteran Lorin Ranier, who eventually landed Mayer a
late model
Late Model stock car racing, also known as late model racing and late models, refers to a type of auto racing that involves purpose-built cars simultaneously racing against each other primarily on oval tracks. This type of racing was early-on ...
ride with
JR Motorsports
JR Motorsports (pronounced "Junior Motorsports") is an American professional stock car racing team based in Mooresville, North Carolina, co-owned by Dale Earnhardt Jr., Kelley Earnhardt Miller, L. W. Miller, L.W. Miller, and Rick Hendrick. It c ...
in the
CARS Tour
The zMAX CARS Tour (formerly known as the USARacing Pro Cup Series, USAR Hooters Pro Cup Series, CARS Pro Cup Series, Rev-Oil Pro Cup Series, CARS X1-R Pro Cup Series) and the SPEARS CARS Tour West are a pair of stock car auto racing series in the ...
for 2018. Mayer's late model racing also brought him to the
World Series of Asphalt, where he finished second to Stephen Nasse.
Ranier also led Mayer to
MDM Motorsports
MDM Motorsports was an American professional stock car racing team that most recently competed in the NASCAR K&N Pro Series East, the NASCAR K&N Pro Series West, and the ARCA Racing Series. The team also competed in the NASCAR Camping World Truc ...
for a limited slate in the
ARCA Racing Series
The ARCA Menards Series is an American stock car series, the premier division of the Automobile Racing Club of America (ARCA). It is considered a minor, semi-professional league of stock car racing, used as a feeder series into the three nationa ...
and
NASCAR K&N Pro Series East in the back half of 2018, with age restrictions being a factor in which races Mayer could run, as both series only let 15-year-old competitors race on certain tracks.
In his first ARCA race, Mayer ran as high as third and finished inside the top-ten. After the
CARS Tour
The zMAX CARS Tour (formerly known as the USARacing Pro Cup Series, USAR Hooters Pro Cup Series, CARS Pro Cup Series, Rev-Oil Pro Cup Series, CARS X1-R Pro Cup Series) and the SPEARS CARS Tour West are a pair of stock car auto racing series in the ...
season was over, Mayer was voted the series' Most Popular Driver for 2018. The CARS Tour season included one victory, at
Wake County Speedway.

On December 5, 2018, it was announced that Mayer would run a full
NASCAR K&N Pro Series East schedule with
GMS Racing
GMS Racing was an American professional stock car racing team that competed in the NASCAR Craftsman Truck Series, ARCA Menards Series and the NASCAR Xfinity Series.
GMS Racing previously competed in the NASCAR Xfinity Series from 2016 to 2019 ...
as part of a 2019 schedule that would also include seven ARCA races and four
NASCAR Gander Outdoors Truck Series
The NASCAR Craftsman Truck Series is a pickup truck racing series owned and operated by the National Association for Stock Car Auto Racing (NASCAR), and is the only series in NASCAR to race production pickup truck-based stock cars. The series is ...
races with the team. All four of the Truck races will come after Mayer turns sixteen; his debut is slated to be at
Bristol Motor Speedway
Bristol Motor Speedway (formerly known as the Bristol International Raceway from 1978 to 1996 and as the Bristol International Speedway from 1961 to 1978) is a oval Oval track racing#Short track, short track in Bristol, Tennessee. The track ha ...
in August. That race would be followed by appearances at
Canadian Tire Motorsport Park
Canadian Tire Motorsport Park (formerly Mosport Park and Mosport International Raceway) is a multi-Race track, track motorsport venue located north of Bowmanville in Clarington, Ontario, Canada, approximately 75 kilometers (47 miles) east of To ...
,
Martinsville Speedway
Martinsville Speedway is a oval Oval track racing#Short track, short track in Ridgeway, Virginia, United States, a community of Martinsville, Virginia. The track has held a variety of events since its opening in 1947, primarily events sanctione ...
and
ISM Raceway
Phoenix Raceway (formerly known as ISM Raceway from 2018–2020, Phoenix International Raceway from 1964–1973 and 1976–2017, and FasTrack International Speedway from 1973–1976) is a dogleg oval track in Avondale, Arizona. The track has ...
.
Mayer scored his first K&N East win at Bristol on April 6, 2019, leading every lap. He nearly scored his first
ARCA Menards Series
The ARCA Menards Series is an American stock car racing, stock car series, the premier division of the Automobile Racing Club of America (ARCA). It is considered a minor, semi-professional league of stock car racing, used as a feeder series into ...
win at Gateway in June after a late pit gamble, but was moved up the track by
Ty Gibbs
Tyler Randal Gibbs (born October 4, 2002) is an American professional stock car racing driver and team owner. He competes full-time in the NASCAR Cup Series, driving the No. 54 Toyota Camry (XV80), Toyota Camry XSE for Joe Gibbs Racing and part-t ...
in the final set of corners and was relegated to third. In October, he won the 2019 K&N East championship to become the youngest NASCAR champion at 16 years, 3 months, and 8 days; the previous record was 16 years and 5 months by
Todd Gilliland
Todd Jeremey Gilliland (born May 15, 2000) is an American professional stock car racing driver. He competes full-time in the NASCAR Cup Series, driving the No. 34 Ford Mustang (seventh generation), Ford Mustang Dark Horse for Front Row Motorsports ...
in 2016. Mayer ended the 2019 season with four wins and top tens in all but one race.
While racing in the ARCA Menards Series and ARCA Menards Series East in 2020, Mayer made a TA2 Trans-Am start at
Road America
Road America is a motorsport Road racing, road course located near Elkhart Lake, Wisconsin on Wisconsin Highway 67. It has hosted races since the 1950s and currently hosts races in the IndyCar Series, IMSA SportsCar Championship, Sports Car Club ...
and suffered a hairline fracture in his wrist during a race-ending crash. The injury forced
Colin Braun
Colin James Braun ( "brown"; born September 22, 1988) is an American auto racing, racing driver. He is the 2014 and 2015 IMSA SportsCar Championship, WeatherTech SportsCar Championship Prototype Challenge Champion and currently drives the No. 60 M ...
to sub in for Mayer midway through the AMS race at the
Daytona International Speedway
Daytona International Speedway is a race track in Daytona Beach, Florida, Daytona Beach, Florida, United States, about north of Orlando, Florida, Orlando. Since opening in 1959, it has been the home of the Daytona 500, the most prestigious race ...
road course. Mayer later won ARCA's first trip to
Lebanon I-44 Speedway.
On September 15, 2020, Mayer and JR Motorsports announced an agreement to have him drive one of the organization's
NASCAR Xfinity Series
The NASCAR Xfinity Series (NXS) is a stock car racing series organized by NASCAR. It is promoted as NASCAR's second-tier circuit to the organization's top level NASCAR Cup Series, Cup Series. NXS events are frequently held as a Undercard, support ...
cars part-time in the latter portion of 2021 and full-time in the 2022 season. Two days later, Mayer swept the night at Bristol, winning both the Truck Series and ARCA race. He overcame a pit miscue to claim the checkered flag in the ARCA event. Mayer won the East finale at
Five Flags Speedway
Five Flags Speedway is a half-mile (0.8 km) paved oval track racing, oval racetrack in Pensacola, Florida. It opened in 1953 and is located on Pine Forest Road. It is christened after the nickname of Pensacola—"City of Five Flags."
It run ...
to capture the series championship with an average finish of 1.2 on the season.
On January 14, 2021, defending ARCA champion
Bret Holmes announced he would begin fielding a part-time Truck Series team, the No. 32, for himself and Mayer for the upcoming season. In addition, Mayer would also drive select races in Bret Holmes Racing's No. 23 car in the ARCA Menards Series and ARCA Menards Series East. Three days later on January 17, it was also announced that Mayer would run seven races in the No. 75 for
Henderson Motorsports in the Truck Series, beginning at the Daytona Road Course, which would end up being his only start with Henderson Motorsports.
On January 4, 2022, it was confirmed that Sam Mayer would drive the JR Motorsports No. 1 in 2022, replacing
Michael Annett. At the
Martinsville spring race on April 8, Mayer finished fifth after doing a bump and run on
Ty Gibbs
Tyler Randal Gibbs (born October 4, 2002) is an American professional stock car racing driver and team owner. He competes full-time in the NASCAR Cup Series, driving the No. 54 Toyota Camry (XV80), Toyota Camry XSE for Joe Gibbs Racing and part-t ...
on the final lap. After the race, Gibbs attempted to spin Mayer out during the cool-down laps before both drivers engaged in a fistfight on pit road. Mayer would go on to finish seventh in the final points standings with a best result of second at Talladega.

On August 9, 2022, it was announced that Mayer would return for the 2023 season. He started the
2023 season with a 27th place finish at
Daytona, where he flipped down the backstretch on the final lap. Mayer scored his first career win at
Road America
Road America is a motorsport Road racing, road course located near Elkhart Lake, Wisconsin on Wisconsin Highway 67. It has hosted races since the 1950s and currently hosts races in the IndyCar Series, IMSA SportsCar Championship, Sports Car Club ...
. He followed it up with his second win at
Watkins Glen. During the playoffs, Mayer won at the
Charlotte Roval and at
Homestead to make the Championship 4. Mayer finished fifth at
Phoenix and third in the points standings.
Mayer started the
2024 season with a 36th place DNF at
Daytona. At
Texas
Texas ( , ; or ) is the most populous U.S. state, state in the South Central United States, South Central region of the United States. It borders Louisiana to the east, Arkansas to the northeast, Oklahoma to the north, New Mexico to the we ...
, he scored a narrow victory over
Ryan Sieg at
Texas
Texas ( , ; or ) is the most populous U.S. state, state in the South Central United States, South Central region of the United States. It borders Louisiana to the east, Arkansas to the northeast, Oklahoma to the north, New Mexico to the we ...
by 0.002 seconds, making it part of a three way tie for the second closest finish in Xfinity Series history. Mayer scored his second win of the season at
Iowa
Iowa ( ) is a U.S. state, state in the upper Midwestern United States, Midwestern region of the United States. It borders the Mississippi River to the east and the Missouri River and Big Sioux River to the west; Wisconsin to the northeast, Ill ...
. During the playoffs, he was disqualified at
Talladega after his car failed the post-race ride height requirement. A week later, Mayer won at the
Charlotte Roval.

On August 17, 2024, Mayer signed with
Haas Factory Team
Haas Factory Team (HFT) is an American professional stock car racing team that competes in the NASCAR Cup Series and the NASCAR Xfinity Series. The team is owned by Haas Automation founder Gene Haas. It made its debut in 2025, following the c ...
to drive the No. 41 Ford in
2025
So far, the year has seen the continuation of major armed conflicts, including the Russian invasion of Ukraine, the Sudanese civil war (2023–present), Sudanese civil war, and the Gaza war. Internal crises in Bangladesh post-resignation v ...
.
Personal life
Mayer's father
Scott Mayer, also a race driver, is the founder of QPS Employment Group and Accelerate Professional Talent Solutions, Mayer's primary sponsor in the Xfinity Series. As of 2023, the company has 57 branches across 8 states and employs thousands of associate employees, one of the largest employment firms in the Midwest.
Scott Mayer Bio
''QPS Employment'', Retrieved July 29, 2023
Mayer is in a relationship with Amelia Sawalich, the sister of fellow driver William Sawalich.
Motorsports career results
NASCAR
( key) (Bold – Pole position awarded by qualifying time. ''Italics'' – Pole position earned by points standings or practice time. * – Most laps led. ** – All laps led.)
Xfinity Series
Camping World Truck Series
Season still in progress
Ineligible for series points
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 East
ARCA Menards Series West
References
External links
*
Official profile at Haas Factory Team
*
{{DEFAULTSORT:Mayer, Sam
2003 births
Racing drivers from Milwaukee
NASCAR drivers
ARCA Menards Series drivers
Living people
People from Franklin, Milwaukee County, Wisconsin
Sportspeople from Milwaukee County, Wisconsin
JR Motorsports drivers
Trans-Am Series drivers