Who Are the Winningest Brothers in NASCAR History?

May 8, 2022; Darlington, South Carolina, USA; NASCAR Cup Series driver Kyle Busch (L) poses for a picture with his mother Gaye Busch (C) and brother Kurt Busch (R) on pit road prior to the Goodyear 400 at Darlington Raceway

NASCAR has always been a family sport, and it has long become tradition for children to follow in the footsteps of their fathers into the race track. This is also why there have been brothers who have raced alongside each other and lifted their family legacies to taller heights together. Let’s take a brief look at which of those brothers has been the most successful in history.

The stories of these brothers stretch across generations, each pairing leaving its own mark on NASCAR’s evolution.

Most successful brothers in NASCAR History

6. Terry and Bobby Labonte

The stories of the Labonte brothers still echo through the atmosphere at the most iconic tracks in the sport. Terry won 22 premier series races in his career, while the younger one won 21. The Texas natives are also the premier series champions. Terry won the title in 1984 and in 1996, while Bobby lifted the trophy in 2000, driving for Joe Gibbs. Between them, the brothers have 43 wins.

5. Herb and Donald Thomas

The Thomas brothers have 49 wins between them. But unlike the Labontes,  the balance of success in the Thomas family is totally uneven. Herb won 48 races and was NASCAR’s first two-time champion. Donald’s only victory came in the final race of the 1952 season.

4. Fonty, Tim, and Bob Flock

The next set of brothers who ought to be talked about are the Flocks. They were one of the most well-respected racing families in the 1950s. The brothers and their sister, Ethel Mobley, raced a lot in the earliest days of NASCAR. Tim ended up being a two-time champion with 39 wins in his belt. Fonty won 19 races while Bob ended up with four wins. They had 62 wins in total.

3. Darrell and Michael Waltrip

The Waltrips secured 88 wins between them. Like the Thomas brothers, the balance of success is largely uneven in this case as well. Darrell won 84 races in his career and is a three-time champion. He is the fourth most successful driver of all time, only behind Richard Petty, Dale Earnhardt, and Jeff Gordon. Michael, on the other hand, won only four races in his career.

2. Bobby and Donnie Allison

The Allisons secured 94 wins between them. Bobby won 84 races, and Donnie added 10 more to the tally. Both drivers are retired, and these numbers aren’t going to change.

1. Kurt and Kyle Busch

That brings us to the Busch brothers. The two-time Cup Series champion Kyle Busch won three races in 2023. Those wins catapulted his total, along with his brother Kurt’s, to a total of 97 victories. Kurt has 34 wins and one Cup Series championship. Kyle has 63 wins and is still counting.

Post Edited By: Somin Bhattacharjee

About the author

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Gowtham Ramalingam

Gowtham is a NASCAR journalist at The SportsRush. Though his affinity for racing stems from Formula 1, he found himself drawn to NASCAR's unparalleled excitement over the years. As a result he has shared his insights and observations by authoring over 3000 articles on the sport. An avid fiction writer, you can find him lost in imaginary worlds when he is not immersed in racing. He hopes to continue savoring the thrill of every lap and race together with his readers for as long as he can.

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