Clemens Hecker first started racing trucks in 2017, when he competed in the ADAC Mittelrhein Cup, followed by appearances in the Dutch Truck Racing Series in 2018 and 2019.
His career reached a high point with a second-place finish in the DTR (Dutch Truck Racing Series) in 2018.
Making his Goodyear FIA ETRC debut at the Nürburgring in 2019, Hecker transitioned to a full season in 2020, where he showcased his potential with three podium finishes in the Promoter's Cup category.
In 2022, Hecker Racing entered a new chapter by switching from a MAN truck to a brand-new Scania, marking the beginning of an exciting era for the team. Despite encountering some initial challenges, Hecker managed to secure two podium finishes in the Promoter's Cup, demonstrating his skill and determination on the track.
Continuing with the Scania truck in 2023, Hecker achieved several podiums and finished sixth in his class, further solidifying his position as a competitive contender.