2014–2016

In 2014, Grala competed in the NASCAR Whelen All-American Series and won at Caraway Speedway^[5] and Martinsville Speedway and also joined Turner Scott Motorsports to compete full-time in the K&N Pro Series East. He was the youngest driver in the series that year.^[6]

In 2015, he joined Ben Kennedy Racing to race full-time in the K&N Pro Series East once again.^[7]

In 2016, Grala made his NASCAR Gander Outdoors Truck Series debut at Martinsville for GMS Racing, driving the No. 33 Chevrolet.^[8] Grala would get his first career top-ten finish at Dover International Speedway in just his second start in the series. With Ben Kennedy joining the team, Grala moved over to the No. 24 truck to compete in seven more races that year.

2017

Grala ran the full Truck Series season in 2017 for GMS in their No. 33 Chevrolet.^[9] After avoiding all the crashes at Daytona International Speedway, he won his first race in the series after starting on the pole, making him both the youngest driver to win a NASCAR pole at Daytona and the youngest driver to win a NASCAR race at Daytona (18 years, 1 month and 26 days). It was Grala's first win in NASCAR and essentially locked him into a spot in the Playoffs for the Truck Series in 2017.^[10][11] Grala almost won at Canadian Tire Motorsport Park in September, after leading the closing laps and then in one of the final corners he was tapped and spun around by Austin Cindric. Grala was eliminated from the Playoffs before the Round of 6 due to an early crash in the cutoff race at Talladega Superspeedway, which ultimately resulted in him finishing the season 7th in the Truck Series standings.^[12]

2018–2022

On November 15, 2017, it was announced that Grala would join JGL Racing full-time in the NASCAR Xfinity Series as a 2018 Sunoco Rookie of the Year contender, driving the No. 24 Ford.^[13] Grala finished fourth in his debut at Daytona. However, on May 15, the team shut down the No. 24 program, leaving Grala without a ride.^[14] Three days later, Grala announced he would run the next four Xfinity races for Fury Race Cars, driving the No. 61 Mustang beginning at Charlotte Motor Speedway.^[15] Grala drove to an impressive 10th-place finish in FURY's debut as a team. With sponsorship support from IT Coalition, DMB Financial, Kiklos, and HotScream, Grala was able to add another eight races to his schedule beyond the original four. Grala's best finish with the organization was a top-five at Daytona International Speedway, which he achieved in a 10-year-old borrowed car slated to be retired as a show car.^[16] In 2019, Grala joined Richard Childress Racing's No. 21 Xfinity car for a part-time schedule.^[17] He was originally going to run part-time with FURY with the amassed sponsorship, but Grala took the sponsorship to RCR to lower costs.^[18] He stayed with the team for the 2020 season.^[19]

Grala's 2020 schedule began in July at Kansas, where he finished 13th.^[20][21] He ran the next race at Road America and tied his career-best fourth-place finish.^[22] In 2020, Grala joined Niece Motorsports for a one-off race at Talladega as a replacement for Natalie Decker.^[23] In August 2020, a week after his Xfinity start at Road America, Grala was called by RCR to substitute for Austin Dillon in their No. 3 NASCAR Cup Series car at the Daytona road course after Dillon tested positive for COVID-19.^[24] The Go Bowling 235 would see Grala finish seventh in his Cup debut.^[25]

Grala joined Kaulig Racing in 2021 for a multi-race schedule that included the Daytona 500, driving the No. 16.^[26] At the 2021 Coke Zero Sugar 400 at Daytona, he suffered a foot injury from one of the race's accidents.^[27] Grala returned to the Truck Series again in 2021, driving for Young's Motorsports at the Daytona Road Course in their No. 02, replacing Kris Wright, the full-time driver of that truck.^[28] He joined Jordan Anderson Racing in 2021 for the Xfinity Series races at Road America event and Texas Motor Speedway in .^[29]

On January 24, 2022, Alpha Prime Racing announced that Grala would drive for them in four races and be the team's reserve driver. On April 12, Big Machine Racing announced that he would drive for them at Talladega and Dover. Grala became The Money Team Racing's first official driver in the team's debut at the 2022 Daytona 500.^[30][31] On lap 40 of the race, he lost his right rear wheel and tire, but he finished the race in 26th place.^[32]On February 3, 2022, Young's Motorsports confirmed that Grala would return to the team to run 11 races in the team's No. 02 truck, sharing the ride with Jesse Little.^[33]

2023–present

On December 8, 2022, Sam Hunt Racing announced that Grala would compete full-time for them in 2023, driving the No. 26 Toyota GR Supra, with sponsorship to be announced at a later date.^[34]

On January 17, 2024, Rick Ware Racing announced that Grala will run 25 cup races for the team in 2024, driving the No. 15 Ford Mustang Dark Horse.^[35] A few days later, Front Row Motorsports announced that Grala would run the 2024 Daytona 500 in the No. 36 Ford Mustang.^[36] Grala finished 12th in his Bluegreen Vacations Duel, qualifying him for the Daytona 500. He ended up crashing on lap five of the Daytona 500, finishing 38th.^[37]

Cup Series

Xfinity Series

Craftsman Truck Series

^* Season still in progress
¹ Ineligible for series points
² Switched from Cup to Truck points on May 4^[57]

K&N Pro Series East

K&N Pro Series West

Pinty's Series

24 Hours of Daytona

More information 24 Hours of Daytona results, Year ...

24 Hours of Daytona results
Year	Class	No	Team	Car	Co-drivers	Laps	Position	Class Pos.
2016	GTD	16	Change Racing	Lamborghini Huracan GT3	Spencer Pumpelly Justin Marks Corey Lewis	521	42	18

Close