The garage area at a NASCAR track has a distinct way of sorting out who belongs. Long before a driver ever signs a major contract, the mechanics, tire changers, and rival crew chiefs usually know who has the goods. For the past few seasons, Corey Heim has been that driver, the one the garage quietly watched, knowing his arrival at the top flight was a matter of when, not if. On Saturday, that collective intuition became official. 23XI Racing announced that Heim will take over the No. 35 Toyota Camry XSE full-time starting in 2027.
It is a milestone that brings relief to those who appreciate pure, unadorned talent. In an era where a driver’s seat time is often determined by the size of their digital media footprint or the depth of their family’s corporate backing, Heim did it the honest way. He won races. He kept the fenders clean. He made it impossible for the decision-makers at Toyota and 23XI to look anywhere else. The promotion does not carry the shock of a sudden upset. Instead, it feels like the natural conclusion of a long, deliberate climb.
Heim has spent years operating in a high-pressure development pipeline where every single career advancement had to be bought with on-track performance. That kind of environment ruins many young prospects, but it seems to have only sharpened Heim’s focus. Looking back, his time in the ARCA Menards Series was where the racing community first noticed his unique composition. Plenty of teenagers can lay down a fast lap in qualifying when they have fresh rubber and a clear track.
Heim stood out because he understood what to do when the tires started wearing out, and the handling went away. His patience during long green-flag runs showed a deep understanding of stock car racing geometry, and he rarely let emotion dictate his moves on the track. That patient approach yielded six victories during a breakout 2021 ARCA season. It was the moment he transformed from a promising young regional racer into a premium organizational asset.
From there, the higher-ups within the Toyota program knew they needed to test his ceiling in the national touring series. When he moved into the Craftsman Truck Series with Kyle Busch Motorsports, the learning curve was virtually nonexistent. Stepping into a part-time role in 2022, in a situation where it is notoriously difficult to build a rapport with a crew, Heim still went out and captured two victories. However, in true Heim fashion, he didn’t need an entire season to figure out how to maneuver the extra horsepower and the heavy downforce that comes with running trucks.
All Heim needed was a firesuit, a steering wheel, and hot asphalt. When Heim moved to TRICON Garage in 2023, he was able to showcase his skills in the Truck Series tenfold, subsequently becoming the sport’s biggest phenom that year and racking up 21 wins. However, the peak of that dominance came during a staggering 2025 campaign where he visited victory lane 12 times. For the Cup Series owners watching the broadcasts from their air-conditioned haulers, the win total was impressive, but the lack of chaos was what really resonated.
Heim didn’t win by being trigger-happy with blocking or by relying on late-race dynamic restarts. He won by executing better than everyone else for 200 miles. Even with that sterling resume, a full-time Sunday ride wasn’t available for 2026. Rather than letting the setback affect his posture, Heim handled a split schedule of Truck Series title-hunting and sporadic Cup Series starts with complete professionalism. It is easy for a young athlete to show frustration when they feel their career is idling, but Heim kept his head down.
Every single time he got an opportunity to jump into a Cup car, he looked like he belonged there. The speed was immediate, the feedback to the engineers was concise, and the car came back in one piece. That emotional maturity is exactly why Denny Hamlin and the brain trust at 23XI Racing felt comfortable giving him the keys to the No. 35 program. Hamlin has always been vocal about wanting drivers with a deep record of sustained success across every lower division, rather than individuals who simply catch lightning in a bottle once or twice. Heim fits that competitive template flawlessly.
This roster move also marks a new chapter for 23XI Racing as a whole. Riley Herbst did the heavy lifting to ground the No. 35 team during its early developmental phases, setting a respectable performance baseline. Because that foundation is now stable, the organization can afford to take a high-upside swing on an elite talent like Heim.
When the 2027 season kicks off, Heim will bring an astonishing record of 25 wins in just 93 Truck Series starts to the grid. The Cup Series is a whole different beast and will present a different level of difficulty, as the races are longer, the aerodynamics are far more touchy and advanced, and the competitors are relentless and don’t give a single inch on the asphalt. The developmental chapters of his career are officially closed. Now, the real work begins.
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