Johnson crossed the finish line in 39th position and completed 285 laps of the 8.4-mile circuit in the modified NASCAR Cup Next Gen Chevrolet Camaro ZL1, run by Hendrick Motorsports.
The car ran as high as 27th overall but suffered a setback on Sunday morning when it suffered a driveline failure that required a lengthy repair.
“My heart is full,” said Johnson, who shared the car with Jenson Button and Mike Rockenfeller. “For all the reasons we know – coming here with NASCAR, Hendrick, Chevrolet, Goodyear.
“Many of the people here working were on different teams that I won races and championships with. There were so many familiar faces, to have this experience was just off the charts.
“The fan reception – whether it was at the parade, or on the cool down lap just now. Even the corner marshals …