Roadkill Takes on Karknocker 5k by Joshua PerksPosted onAugust 5, 2013 FacebookTweetPinEmail As is fairly typical for this blog, I’ve fallen way behind. In order to get caught up I’ve decided to post some pictures from the Karknocker 5k. Everything you need to know is in the captions and the results. Ready Set Go. Holding on. Trying hard to breath. Brett hanging with USATF national class runners on his way to a 5k PR.