Completion of Program C25K

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I just finished week 5 day 3, thought it was going to be very difficult to complete, but I did it, even kept running for the additional 5 minutes then did my cool down. Total run time 25 minutes. If I can complete this task does anything think it could be ok to just keep running the 25 minutes straight of finish the balance of the weeks doing the walk and run days. Looking for some input!!!