Martin Truex Jr. Tired of NASCAR: Martin Truex Jr.‘s retirement announcement marks a big moment in NASCAR. After 19 years, including a championship win in 2017, Martin Truex Jr. says personal sacrifices were a key reason for his decision. Missing important family moments has helped him appreciate the challenges NASCAR drivers face in balancing their personal lives, highlighting the importance of finding that balance. This final season has been full of challenges and strong comebacks, but his need for balance and life after racing won out. As Martin Truex Jr. gets ready to say goodbye, his career makes us think about the challenges of professional sports.