Planet Fitness's Black Card: The Ultimate Fitness Cheat Code - The Creative Blog
Webblack card membership only— your guest needs to be 13 or older.
May 30, 2026
Webblack card membership only— your guest needs to be 13 or older. If they are under 16, you have to sign a liability waiver for injury, if they break equipment, etc. On the app, there is an option to invite a guest.
Understanding the Context
It sends them a link to fill out with their basic info. Webthe planet fitness black card is a premium membership that comes with a ton of awesome perks, including access to any planet fitness worldwide, guest.