A resident of Elk Grove, California Larson attended his first race with his parents a week after his birth;  he began racing at the age of seven in outlaw karts in Northern California.
He won the 4-Crown Nationals at Eldora Speedwaywinning in Rob and carl kyler two three types of USAC cars in a single night, only the second driver in history to accomplish the feat.
While there was some interest in IndyCar racing,  Larson was signed for the racing season by Earnhardt Ganassi Racing EGR as part of the team's driver development program. He scored a top ten finish in the first race of the season at Bristol Motor Speedway. He got his first career pole at the Bowman Gray Stadium. In April ofLarson won his first Truck Series win at Rockingham Speedway in a close finish with Joey Logano ;  in celebration, Larson performed donuts without his steering wheel on, a practice he had acquired when racing go karts;  the celebration prompted NASCAR to request him to keep it attached, regarding safety concerns, as Larson would not have much control of the car without the wheel.
Inat the Eldora SpeedwayLarson's Rob and carl kyler two gave up after hitting the wall couple of times while trying to chase down the leader Darrell Wallace Jr and finished 26th. He got his first career pole at Pocono and finished 18th. In late ofat Chicagoland SpeedwayLarson started on the pole after qualifying was rained out.
Larson led 49 laps and ran out of fuel on lap and finished 7th. InLarson drove the No.
He finished 4th at Martinsville Speedway. Later in the year, he won at Eldora, earning his 2nd career truck series win. Larson finished 4th at Homestead after leading 76 laps. He was unharmed, but the debris Rob and carl kyler two a number of spectators in the stands. However, after falling three laps down due to repairs, Larson recovered to finish on the lead lap in 14th.
Larson finished 2nd at Homestead and finished 8th in the standings.
Inwhile Larson moved full-time to the Cup Series, he drove the No. He captured his first career pole at Bristol. He finished 2nd to Kyle Busch.
In victory lane, Larson stated, "Those last 11, 12 laps were the longest laps of my life. Rob and carl kyler two been so close to winning so many times, but the fashion we did it in was extra special.
InLarson continued to drive the No. During the race at Charlotte Motor SpeedwayLarson passed Joey Logano with 15 laps to go and almost won the race until a caution came out with 2 laps to go.
Larson lost the race to Denny Hamlin and finished 6th. He would win again later in the season at Texas Motor Speedwayearning his 5th career win. He won at Richmond International Raceway. Larson also won at Dover International Speedway from the pole. Inat Daytona, Lars crashed out on lap and finished 29th. He won at Las Vegas, holding off Christopher Bell.
At Chicagoland, Larson earned his 10th career win. Rob and carl kyler two Daytona July race, after Justin Haley made an illegal pass below the double yellow line, Kyle Larson was declared the winner. Larson earned his 12th career win at Bristol Motor Speedway.
The deal was officially announced on August 30, At Texas, Larson finished 23rd.
In his Rob and carl kyler two debut, Larson got into the wall twice, and despite fixing the damage, he spun out on lap Larson finished 38th after being crashed out by Austin Dillon on lap Larson had a very impressive run at Pocono Raceway where he ran in the top ten the entire race and finished 5th.
At Michigan, Larson spun out on lap 7. Despite that, he spent 33 laps recovering from 43rd to finish 8th. During the Michigan race, Larson blocked one of his strong supporters Tony Stewart trying to go for the lead, the block damaged Stewart's Rob and carl kyler two. In response, Stewart tried to retaliate under a yellow-flag period. When told that Stewart was mad at him for the block, Larson shrugged it off replying "Tony being Tony I guess.
I was pretty tight on whoever was inside of me on the restart, and I was looking in my mirror and saw him juke to the right so I juked to the right and he hit me, and I don't know, he was just trying to teach me a lesson I'm guessing.
He rebounded the next race at Loudon with a 3rd-place finish. Larson finished 7th in the Brickyard He earned his first career Cup Series pole at Pocono Raceway where he set the track record with a lap speed of In the first Chase race at Chicagoland, Larson came close to pulling off his first Cup Series victory.
After leading over 30 laps, with 18 laps to go he engaged in a battle with Kevin Harvick, allowing Brad Keselowski to catch up and pass Larson for the lead and ultimately the win. After two more cautions, Larson finished 3rd after battling Jeff Gordon who admitted himself as a Larson fan.
Larson and Gordon exchanged hugs on pit Rob and carl kyler two over their race and Gordon whispered some advice in Larson's ear over restarts. In a post-race media conference Gordon called Larson "The real deal.
At Kansas, he finished second again to Logano, his 3rd runner up finish. Larson was unable to contend for wins but nonetheless, won the Rookie of the Year Award over Austin Dillon with his statistics being higher than other rookie seasons in history, such as those of Richard Petty and Jeff Gordon.
InLarson began his season with a crash in the Daytona Larson had his first top ten of the year at Las Vegas finishing 8th after starting 5th. He finished 10th at Phoenix. Larson missed the Martinsville spring race because of being hospitalized after he fainted during an autograph session.
He was replaced by Regan Smith. Larson started on the pole for the Quaker State at Kentucky Speedway after qualifying was canceled due to rain. He finished 35th, 2 laps down. Larson missed the Chase for the second year in a row. During the Charlotte race, Larson and Kyle Busch both collided at pit road, ending his chances of winning.
He finished 21st in the event, 1 lap down. Larson started out the season with a 7th place outing at Daytona, marking his first top 10 and first non-DNF. Larson ran very well at Martinsville and finished 3rd.
He also had a top 5 car at Rob and carl kyler two before being caught up in a crash with Denny HamlinJoey Logano and Brad Keselowski and finished 35th. At Dover, Larson led the race with less than 50 laps to go and recovered from being one lap down and running down the leader Matt Kenseth. Larson had the fastest car during the final laps, but couldn't take advantage of mistakes made by Kenseth and he finished 2nd. Afterward, Larson stated, "Matt Kenseth, in my eyes is the cleanest racer out there.
I didn't want to drive him dirty because he always races me clean. Looking back, I'd do stuff different but my time is coming.
The win also qualified him for the Chase. During the season finale at Homestead-Miami SpeedwayLarson led laps and finished 2nd. InLarson took the lead late in the Daytona only to run out of gas on the final lap and finished 12th. He would go on to finish second in the next two races at Las Vegas and Phoenix, which allowed him to take the points lead for the first time in his career.