You can clone an existing Test Cycles very easily. Cloning essentially copies all the tests cases based on the criteria you provide. It zeroes out all test results, comments, attachments and defects raised. This is a great way to very quickly set up a Test Cycle based on an existing Test Cycle.
1. Mark the checkbox of the desired Test Cycle and click on the Clone button.
2. Select the available options for Test Results and hit the Clone button.