Login. Username. Password, Fitness Singles no longer uses your username to sign in. You must use the email address associated with your account (hint: it is the email address that we send notifications to) along with your password., Fitness Singles is the world's largest online dating site dedicated to active singles., Athletic singles and workout partners meet on Fitness Singles, the largest site dedicated to athletic dating and exercise friends. Running, cycling, yoga, bodybuilding - whatever your athletic passion is - you will find your match!, This is an online dating site for single people who love fitness. Join free today and get access to view all your potential matches. Create your profile and start your search - you only pay if you want to upgrade to get ful access to the site., Fitness Singles is the world's largest online dating site for runners, cyclists, triathletes, bodybuilders, or any type of active singles..