Couch to 5K: Week 5: Breaking records

Taking the "Couch to 5K" challenge. This is week 5 where the prospect of the longest run I've ever even considered trying in looming large on the horizon. Can I break my own personal records, and actually run for a consistent 20 minutes? Will I manage to do a 5K run in just 9 weeks? Stick with me to find out!