15 Days of Fitness Packages available for purchase December 9th – 23rd at the Welcome Center desk. Learn More: Small Group Training Les Mills GRIT Fit Path Fitness Assessment Download our App! We'll keep you in the loop. Receive notifications from the Fond du Lac Family YMCA via our mobile app. DOWNLOAD Online Registration Signing up for a YMCA program is easy and convenient. Just click to get started. SIGN UP