Sure, you could go for a run. Or, you could go for a run and be chased by zombies! Registration is now open for the annual Running Dead 5k. In this apocalyptic race, you’ll either chase or be chased along the Bear Creek bike path in downtown Medford. You can sign up as either a Human or Zombie, or join the fun as a Placed Zombie on the course (less running, more human-catching). Festivities include a zombie make-up booth, Survivor…