[3] After scoring titles in Swissauto kart competitions in his youth, Heinrich later cited his early aspirations as moving into Formula 4,[4] which he fulfilled in 2017.

In September, Heinrich made his debut in the Porsche Carrera Cup Germany, taking part in the Sachsenring round with CarTech Motorsport.

[7] He would secure three additional overall podiums that season, three of which occurred during the triple-header at the Red Bull Ring,[8] finishing fourth in the overall points classification.

Heinrich also made his debut in the Porsche Supercup during the 2020 season, making two guest starts at the Red Bull Ring for MRS GT-Racing after one of the team's drivers was unable to enter the country due to COVID-19-related travel restrictions.

[15] Heinrich began his Porsche Junior campaign with a drive in the Dubai 24 Hour, taking part in the 992 Am class with Huber Racing.

His Supercup campaign featured once race victory, at Silverstone,[17] and four total podium finishes, taking a career-best third in the championship.

[19] At the end of the 2022 season, Heinrich joined 311RS Motorsport to compete in the final round of the 2022 Porsche Carrera Cup North America, deputizing for Leh Keen.

[27] He supplemented his DTM program with a drive in the GT World Challenge Europe Endurance Cup with Rutronik Racing, joining Dennis Olsen and Thomas Preining in a Pro class entry.

[32] Heinrich describes himself as a 'hybrid driver,' and he frequently competes in officially-sanctioned sim racing events alongside his real-world endeavors.