The mixed relay is a format that mandates 3 women and 3 men. It's not an open format -- if it was, teams with 6 men would dominate and there wouldn't be women

The mixed relay is a format that mandates 3 women and 3 men. It's not an open format -- if it was, teams with 6 men would dominate and there wouldn't be women in the event at all -- much like a hypothetical mixed field TdF.