Early years

Davis began to race in the go-kart ranks when he was six years old. From there, he progressed into late model cars and trucks.^[1] He won many championships around the Southeast United States.^[2] In 2014, aged 15, Davis ran the full NASCAR Whelen Southern Modified Tour schedule with backing from Coors Light.^[3] He ran a partial schedule in both the Southern Modified Tour and the main NASCAR Whelen Modified Tour in 2015 while also driving a partial NASCAR K&N Pro Series West schedule.^[4][5][6]

Developmental series

After finding limited success in modifieds, Davis transitioned to the NASCAR K&N Pro Series East in 2015, driving for NTS Motorsports.^[7] After a restricted schedule that year,^[8] he found a ride with Ranier Racing with MDM for the 2016 season.^[9] Davis found victory lane for the first time at Dominion Raceway in May of that year.^[10] The deal with Ranier eventually collapsed, and Davis spent the remainder of the year driving for his family team, Jefferson Pitts Racing and Hattori Racing Enterprises.^[11] He was also named to the 2016–2017 NASCAR Next class.^[12]

On February 11, 2017, Davis signed with Venturini Motorsports to run seven ARCA Racing Series events in 2017 after testing with the team at Daytona International Speedway.^[13] His first race was at Talladega Superspeedway.^[14] After scoring a top-five in his first race, Davis found the top ten in three of his other six starts.^[15] He also ran premier late model events.^[16]

Balancing a NASCAR Camping World Truck Series schedule in 2018, Davis wound up running a partial schedule in the K&N East for Danny Watts Racing, which operated in conjunction with Rette Jones Racing.^[17] Expanding on that, Davis and RJR announced a full K&N East slate for 2019.^[18] At World Wide Technology Raceway in August, Davis earned his first win with RJR and first in three-plus years, passing Sam Mayer on a late green-white-checkered restart.^[19]

NASCAR

On January 23, 2018, it was announced that Davis would compete for Kyle Busch Motorsports, splitting time between the team's Nos. 4 and 51 entries. as part of the announcement, he was named as the driver of the No. 51 in four races and the No. 4 for a race, including the first three races of the season between the Nos. 51 and the 4.^[20][21][22] In his first race at Daytona International Speedway, Davis posted a seventh-place finish.^[10]

In 2019, Davis ran a limited slate with K&N team Rette Jones Racing but also joined Niece Motorsports for the summer race at Chicagoland Speedway in the Truck Series.^[23]

For 2020, Davis started his own team, Spencer Davis Motorsports. The team competed in most of the races during the first half of the 2020 NASCAR Gander RV & Outdoors Truck Series season, fielding the No. 11 Toyota with Davis behind the wheel. On August 6, Davis revealed that he had tested positive for COVID-19 and would miss the Henry Ford Health System 200, scheduled for the following day.^[24]

In January 2021, Spencer Davis Motorsports announced Davis would run the full Truck season in the No. 11.^[25] On March 20, it was announced that Davis acquired the owner's points of NEMCO Motorsports.^[26] After failing to qualify at Daytona, they were not entered into the Daytona RC. The team still wants to run a majority of the schedule, in which they did with Bubba Wallace at Bristol Dirt, Camden Murphy for COTA and Clay Greenfield for 2 races.

Spotting

During 2019, Davis dipped his toe into spotting, helping Niece Motorsports driver Kyle Benjamin in the Gander Outdoors Truck Series.^[27]

NASCAR

(key) (Bold – Pole position awarded by qualifying time. Italics – Pole position earned by points standings or practice time. * – Most laps led.)

ARCA Racing Series