Sub StepCopy()
Dim StepRate As Integer
'Used this from your example
StepRate = 23
'Initial row to start at
i = 1
Application.ScreenUpdating = False
Do While i < 5000 '<--When do you want to stop looking in col C?
Cells(i, "C").Copy Range(Cells(i, "A"), Cells(i + StepRate - 1, "A"))
i = i + StepRate
Loop
Application.ScreenUpdating = True
End Sub