I feel like the app really penalizes you for taking days off. If you run 10 miles a day and then take a day off you basically lose the week. There needs to be some sort of weekly goal that the days add up to. So in the end you are the sum of the days and can actually take a day off. Us super competitive people feel like you failed and get a strike for just trying to not run ourselves into the ground.
Rant over....
Rant over....