One of NASCAR's finest ever drivers, Kyle Busch passed away on Thursday at the age of 41.

A joint statement on behalf of the Busch family, Richard Childress Racing and NASCAR confirmed the devastating news on Thursday evening, after Busch was hospitalised this week with a severe illness from which he never recovered.

One of the most talented drivers ever seen in the sport, Busch won two Cup Series titles in a storied career, and took more NASCAR national series race wins than any other driver in history.

'Rowdy' wasn't just one of the sport's great racers, but also one of its great entertainers, filled to the brim with the swaggering confidence which made him a household name way beyond the NASCAR bubble – appearing in films, video games and even, memorably, briefly holding the WWE 24/7 Championship.

"I think your legacy is gonna be left behind by what you’ve been able to do, what you’ve been able to accomplish, and the way you were able to make it happen," he told the Charlotte Observer back in 2019, early on the road to his second championship. Certainly, nobody made it happen the same way as 'KFB'.

Kyle Busch's legendary racing career

Before he was an all-winning, all-fighting, all-world driver, Busch was born into a racing family to Tom and Gaye, with a big brother Kurt – himself now a NASCAR champion and Hall of Famer – in Las Vegas, Nevada.

His status as a racing prodigy was clear from a young age. After winning an outlandish number of events in Legends car and late model racing as a young teenager, Roush Racing put the high-schooler Busch behind the wheel of their No. 99 Truck Series entry at the age of just 16 in 2001.

He started six races that year after his August debut, with a couple of top-ten finishes, before legal restrictions around under-18s being involved in tobacco company-sponsored events forced NASCAR to institute an 18+ age requirement from 2002 onward (the first, but not the last time in his career that he prompted a new rule).

When he returned after his 18th birthday, he ran a handful of Busch Series races in 2003 before going full-time the following year, winning five races for Hendrick Motorsports on his way to second place in the standings behind Martin Truex Jr.

The teenager they called 'Shrub' – a reference to him being the younger/smaller Busch, compared to his big brother Kurt – made his full-time Cup Series debut in 2005, becoming the series' youngest ever race winner and laying the groundwork for one of his many, many NASCAR records, as the start of a run of 19 straight seasons with at least one victory.

He won a race in each of his next two seasons with Hendrick Motorsports, but jumped ship to Joe Gibbs Racing for 2008 and beyond when Hendrick signed Dale Earnhardt Jr. for the No. 88 car. That move ended up being what supercharged Busch's career, with eight wins in that first year alone as the No. 18 M&M's-sponsored car became one of the most iconic in the sport's history.

Dozens of wins followed, along with that signature bow to the crowd in celebration, but it wasn't until 2015 that Busch won his first Cup Series title. Typically of the man, he did it in spectacular style – making the Chase despite missing the first 11 races of the year thanks to a compound fracture of his leg suffered in the Xfinity Series race before the Daytona 500 – eventually securing the championship in the season finale at Homestead-Miami.

A second title followed in 2019, to go on the mantlepiece with one of the most dominant championship ever in the 2009 Nationwide Series – a year in which he finished in the top three in 23 out of 35 races, including nine wins.

Busch ended up taking 56 of his 63 Cup Series wins (ninth all-time) with JGR, before leaving to team up with his old rival Richard Childress in 2023, winning three of his first 15 races with the team before the organization began to struggle for competitiveness.

Not that, even then, he personally struggled to be competitive. Most drivers pull back their participation in the Busch/Nationwide/Xfinity/O'Reilly Series and Truck Series as they become established in the Cup, and especially as they hit their 40s. Busch, though, was never 'most drivers'.

The future first-ballot Hall of Famer ended his career as the all-time wins leader in both of those series, with a staggering 102 wins in the O'Reilly Series and 69 in Trucks. He'd have more, too, if he hadn't been so dominant that NASCAR introduced rules to limit Cup drivers running in their other national series.

The last of those Truck Series wins came just six days ago at Dover Motor Speedway. After a dominant performance, and delivering his trademark bow to the crowd with the checkered flag, Busch was asked 'why do these moments never get old?'

"Because," he replied, "you never know when the last one is."

NASCAR, RCR and Busch family statement on Kyle Busch's passing

The statement announcing his tragic passing read: "Our entire NASCAR family is heartbroken by the loss of Kyle Busch.

"A future Hall of Famer, Kyle was a rare talent, one who comes along once in a generation. He was fierce, he was passionate, he was immensely skilled and he cared deeply about the sport and fans.

"Throughout a career that spanned more than two decades, Kyle set records in national series wins, won championships at NASCAR’s highest level and fostered the next generation of drivers as an owner in the Truck Series. His sharp wit and competitive spirit sparked a deep emotional connection with race fans of every age, creating the proud and loyal 'Rowdy Nation.'

"Our thoughts are with Samantha, Brexton and Lennix, Kyle and Samantha's parents, Kurt and all of Kyle's family, Richard and Judy Childress, everyone at Richard Childress Racing, his teammates, friends and fans. NASCAR lost a giant of the sport today, far too soon.

"During this incredibly difficult time, we ask everyone to respect the family's privacy and continue to keep them in your thoughts and prayers. Further updates will be shared as appropriate."

Busch's legacy to continue with young family

Busch's legacy will live on in countless ways within the sport, and with his family – survived by his wife Samantha, and his children Brexton and Lennix, aged 11 and 4.

Busch and his wife launched the 'Bundle of Joy Fund’ some years ago to provide monetary grants to help in-need couples with fertility issues, which has facilitated the birth of over 100 babies.

The pair first met at a NASCAR race at Indianapolis Motor Speedway in 2007, when Samantha was working as a promotional model and was sent by her agency to Indianapolis to work for Chevrolet.

The pair met that weekend, with Kyle asking his PR representative to ask for her number, all the while, Samantha had no idea he was a NASCAR driver (although presumably she found out soon enough).

Their son Brexton has also been a regular figure at dirt tracks as he's grown up, showing his father's talent behind the wheel and even sometimes competing against him in local races – with the Cup Series legend not always coming out on top.

Oval Insider sends its deepest sympathies to the Busch family.