BEIJING, China — Mixed team snowboardcross makes its debut at the Winter Olympics Friday. Teams consist of one man and one woman. The men race against each other first. The time difference is transferred to their teammates and the women come down in …BEIJING, China — Mixed team snowboardcross makes its debut at the Winter Olympics Friday. Teams consist of one man and one woman. The men race against each other first. The time difference is transferred to their teammates and the women come down in …