ChallengeRunner is a free iPhone application developed by ChallengeRunner LLC that provides a user-friendly interface to the ChallengeRunner employee health challenge platform. The app allows participants to log and track their fitness challenges, view and submit health challenge data, and review the challenge leaderboard.

With a simple challenge data logging interface, real-time leaderboards, messaging, and comments, ChallengeRunner makes it easy for users to stay engaged and motivated throughout their fitness journey. Participants can join challenges using links, QR Codes, or challenge codes provided by a Challenge Administrator.

One of the best features of ChallengeRunner is its integration with the Apple Health app. By enabling the Health Integration switch in Settings and accepting the HealthKit privileges when prompted in the ChallengeRunner app, users can sync their steps, active minutes, distance, and calories with the app. However, it is important to note that most functions of the app require an internet connection.