 He also joined EFFORT Racing for the Pirelli World Challenge Grand Prix of Sonoma, filling in for full-time driver Ryan Dalziel.van der Zande earned the Race 1 pole position and earned the win in Race 2.Near the end of the season, van der Zande participated in the 24H Barcelona Trofeu Fermi Vélez, earning the pole position in the #5 Car Collection Motorsport Mercedes-Benz SLS AMG.