[1] Kenny van Gaalen began his sidecarcross career as the passenger of Belgian driver Ben Adriaenssen in 2004, racing in the Netherlands in the competition of the Motorsport Organisatie Nederland, a Dutch amateur motorsport organisation[2] In 2009 the pair moved up to semi-professional level and entered the World Championship, making their debut at the Swiss Grand Prix at Wohlen.
[3] In the team's second World Championship campaign, in 2010, Adriaenssen and van Gaalen finished sixth overall, with a second place in the first race of the Danish Grand Prix as their best result.
[4] In 2011 van Gaalen did only race sporadically, at the side of fellow Dutchman Bjorn Roes.
In the 2012 edition van Gaalen replaced Haralds Kurpnieks who broke his wrist in the first Grand Prix of the season as Daniël Willemsen's passenger but himself suffered a knee injury in the second French Grand Prix, and being in turn replaced by Lauris Daiders for the last five GP's.
[5][6][7][8] Van Gaalen took out the World Championship as a passenger because he earned more than 50 percent of the total points Willemsen took out in the 2012 championship, the necessary requirement for a passenger to become World Champion as per FIM regulations.