For a smart configuration, try out the templates below. Then edit everything as you like.
Create groups for a subdivision in your Contest. Each participant will then have to allocate to a group and you can apply rankings for groups. If you apply teams, all persons in a team have to belong to the same group.
Add at least two groups if you want to apply the groups option
Create categories for adding further ranking options. Participants will then have to allocate themselves to a category.
Add at least two categories if you want to apply the categories option
Your Contest can contain various rankings. Set them below.