Corey Eric Day (born November 28, 2005) is an American professional dirt track and stock car racing driver. He competes full-time in the NASCAR O'Reilly Auto Parts Series, driving the No. 17 Chevrolet Camaro SS for Hendrick Motorsports, and part-time in the NASCAR Craftsman Truck Series, driving the No. 7 Chevrolet Silverado RST for Spire Motorsports. He has previously competed in the ARCA Menards Series, the ARCA Menards Series East, and the ARCA Menards Series West.
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Racing career
Early career
Growing up in a racing family, Day began riding dirt bikes at a young age. At the age nine, he broke his arm after racing dirt bikes competitively, which ended his career in dirt bike racing. After years of going through the ranks, he decided to try a hand in sprint car racing with the help of his family, including his father, Ronnie Day, who was a West Coast racing legend.
Sprint car racing
Day began driving sprint cars in 2016, racing in the USAC Restricted Micro Sprints for his family-owned team. He ran eleven races with a best finish of 3rd at Keller Auto Raceway. He continued to have great success with sprint cars over the years, earning numerous victories in that time span. In 2021, he earned his first career USAC National Midget Series win at Circle City Raceway, becoming the youngest driver to win a USAC National Series event. In 2023, he won the NARC King of the West Sprint Car Series and the Make-A-Wish Trophy Cup championships.
On December 8, it was announced that Day would run full-time in the High Limit Racing in 2024, driving the No. 14 for Jason Meyers Racing. Throughout the season, he scored wins at RPM Speedway, Red Dirt Raceway, Riverside International Speedway, I-70 Motorsports Park, and Lake Ozark Speedway. He finished fifth in points.
Late models
On April 27, 2024, it was announced that Day would make his debut in late model racing, driving the No. 88 Chevrolet for JR Motorsports at Hickory Motor Speedway. After finishing seventh in the first feature event, he started on the outside pole for the final feature. He would end up leading nearly every lap to win the race in his second career start.
ARCA Menards Series
On July 24, 2024, it was announced that Day would run three races in the ARCA Menards Series for Pinnacle Racing Group with sponsorship from HendrickCars.com., which includes Salem, Bristol, and Kansas. In his debut at Salem, he started fifth and finished fifteenth after being involved in a late-race incident with Toni Breidinger. At Kansas, Day was involved in controversy after pushing Andy Jankowiak into the wall on the final lap. Both drivers were battling inside the top five, and after the contact, Jankowiak fell back and finished seventh, while Day came across in fourth. Following the race, Jankowiak confronted Day in the garage area.
On January 9, 2025, it was announced that Day would run four races for Spire Motorsports in the upcoming season, driving the No. 77 car beginning in the season-opener at Daytona.
NASCAR Craftsman Truck Series
On September 16, 2024, it was announced that Day would make his NASCAR Craftsman Truck Series debut at Bristol Motor Speedway for McAnally–Hilgemann Racing, driving the No. 81 truck. Day started 22nd and finished eighteenth in his debut. He ran three more races at Kansas, Homestead, and Martinsville during the season, earning his best finish of sixteenth at Homestead.
On January 9, 2025, it was announced that Day would increase his Truck Series schedule for the upcoming season, running eight races for Spire Motorsports in the No. 7 truck.
After it was announced that Kyle Busch was ill, it was announced that Day would fill in for Busch at Charlotte for Spire in the No. 7. He qualified on pole after the session was rained out and his day ended early after a near-flip on the backstretch.
NASCAR O'Reilly Auto Parts Series
On December 6, 2024, Day signed a multi-year contract with Hendrick Motorsports. In 2025, he would run eleven races in the Xfinity Series for HMS in their No. 17 car.
On November 7, 2025, it was announced that Day will run full-time for HMS in the now renamed O'Reilly Auto Parts Series for the 2026 season. He started the season with a 27th place DNF at Daytona. After a streak of eight consecutive top ten finishes, he scored his first career win at Talladega. He scored his second career win at Dover. During "The Chase", Day won from pole position at Las Vegas and at Charlotte.
On August 18, 2026, it was announced that Day will return to HMS for the 2027 season.
NASCAR Cup Series
On September 10, 2026, Hendrick Motorsports announced that Day will run select Cup Series races in the 2027 season as part of a long-term extension with the team. On September 12, it was confirmed by Hendrick's Jeff Andrews' that his Cup Series ride will be with Spire Motorsports.
Motorsports career results
Stock car career summary
† As Day was a guest driver, he was ineligible for championship points.
NASCAR
(key) (Bold – Pole position awarded by qualifying time. Italics – Pole position earned by points standings or practice time. * – Most laps led.)
* Season still in progress
1 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. ** – All laps led.)