Here’s what we here at Run Oregon think you might want to know about if you’re an Oregon/SW Washington runner. Our radar is constantly pinging for info on free or low-cost races, races with cool themes or causes, and deadlines on the bigger events that you may not want to miss. First up, some group runs: Run For Houston Donation Run: Sherri and her team at Why Racing is hosting a 5k/10k/half marathon event on…