Can I re-add a challenge I've already completed? September 20, 2019 17:02 Updated Yes, you can. Just tap the completed challenge to re-add it (in either the CHALLENGES or COMPLETE tabs). Related articles How do I add a new long-term goal? Can I have more than one long-term goal? How do I edit/delete challenges or my goal? How long do I have to complete a challenge? I don't know what to pick for a challenge.