[2][3] In 2015, Heckert moved to HScott Motorsports with Justin Marks, he recorded another two wins, as many poles, and was in contention for the series championship in the final race.

[4][5] Heckert debuted in 2016 at New Hampshire Motor Speedway, where he finished twenty sixth, driving for B. J. McLeod Motorsports.

In 2016, Heckert made the move to the Pirelli World Challenge, crediting simulators such as iRacing for a quick transition from stock cars, which included podium results early on.

[9] Heckert found overall victory at Virginia International Raceway in 2018 with Lone Star Racing and co-driver Mike Skeen in what was then named the Blancpain GT World Challenge America.

[10] Heckert made his NASCAR Cup Series debut on February 21, 2021, driving for Live Fast Motorsports in the No.

* Season still in progress 1 Ineligible for series points (key) (Bold – Pole position awarded by qualifying time.