"The noose was real, as was our concern for Bubba (Wallace),” NASCAR President Steve Phelps said.
Wallace is the only Black driver in the sport's top level and called for the Confederate flag to be banned from races earlier this month.
The American auto racing company said the flag "runs contrary to our commitment to providing a welcoming and inclusive environment for all fans."
Roush Fenway Racing posted a photo of the NASCAR driver holding his daughters' hands as he left the medical center in Florida.
The presidential motorcade took to the track to join in a warm-up lap after he told the crowd that the racers and their teams were competing “for pure American glory."
The president reportedly wants to take a lap around the Daytona International Speedway track in "The Beast" this Sunday.
The 36-year-old American climbed out of the car and appeared uninjured.
Just a couple of bachelors gearing up for fun at the Indy Grand Prix of Alabama.
Caterham, who never scored a point in five years, went into administration last October and face an uncertain future. McLaren