Regina snowboarder Mark McMorris won bronze in men's slopestyle after earning 88.75 points in his second run.
McMorris, who was favoured for gold, has been competing with a broken rib.
American Sage Kotsenberg won gold with a first-run score of 93.50.
Norway's Staale Sandbech earned silver with a score of 91.75.
Maxence Parrot, from Bromont, Que., was fifth with 87.25, while Montreal's Sebastian Toutant was ninth with a 58.50.
Charles Reid of Mont-Tremblant, Que., was eliminated after finishing 14th in the semifinal.