A host of spring carnival hopefuls are scheduled to step out in barrier trials at Randwick including Group One winners Alizee and Happy Clapper.

The James Cummings-trained mare Alizee headlines the entries for the opening trial on Tuesday morning at Randwick over 900m, with the first two heats for Group and Listed horses to be run on the course proper.

Along with Alizee, who finished fourth in a Ros...