Challenge

Welcome to the MFP Community.

Go to the challenges section:
https://community.myfitnesspal.com/en/categories/challenges

Scroll through the list. If you find one you like, click on it. If it's one you want to join, click Reply and add your info.

I like this challenge group, they do 10 days at a time and each person sets his/her own goals for those 10 days.

https://community.myfitnesspal.com/en/discussion/10760094/just-give-me-10-days-room-87#latest