You can allow your registrants to create, join, and manage team sign-ups in RedPodium.
Add the team field to your page.
Use the menu to customize the label and description.
You can make it required, allow password protection, and/or limit your team size.
Save and publish your changes.
Now your registrants will have the option to create a team:
Or join a team:
You can view your existing teams in your page builder under the Teams tab.
Am I able to create teams for my page in advance?
Yes, you can do that from the live page (as if you were them) or by clicking this option here: