"Running a 5K" is on my goal list for 2019 as well! I walked a 5K last year on Thanksgiving Day and it was a lot of fun. My average mile was 19:01 so that is my benchmark. I signed up for one on St. Patrick's Day to see how I am progressing. I'm on week 2 of C25K. I repeated week 1 on purpose. So far so good. The weather here is not conducive to running so until it warms up and thaws out I'm using a treadmill.