As PP mentioned, the 5K appears to be a work in progress. We have done the 5k more than 75 times in the past 15 years. They used to give out bottles of water and a nice DCL water bottle for finishing. They have changed quite a few things over that time including the route. When we ran it a couple of months ago, you received a bib with a number, a finishers "medal" (which is actually plastic and the same medal they give out to winners of trivia contests, etc), and a finisher's certificate. However, there has been times we missed the certificate or the medal depending on the inventory in the ship.