Of Max Workouts reviews course, if youre more the competitive type, Fitocracys gamification aspect allows you to compete against both yourself (for individual achievements and badges) and others (for a spot in the leaderboards). RunKeeper Track your runs and ask your friends to cheer you on. Running isnt fun (in my opinion), but its more fun with friends! RunKeeper (free; iOS and Android ) is a fitness tracking app that lets you map courses via GPS, log workouts, set goals, this website and track your progress. But its more than just a workout logits also a social network that lets you follow, train with, and compete against your friends. With RunKeeper, you can follow your friends and encourage them with comments and likes as they train. RunKeeper also has personal, custom leaderboards, so you can see how you stack up against your friends each month. For people who like to dabble in other social networks, the app also connects with Facebook and Twitter so you can share your workouts and maps.