I'm about to run out of credit http://xnxxbeeg.in.net/ www.xnxx.com Most races have medical staff on hand to keep runners safe, but Stewart says participants can do a lot on their own to prevent injury. "These races are very, very exciting, but you can't get carried away. You are responsible for yourself – from the start to the finish, you've got to get yourself there in one piece," he says. And getting yourself to the end intact can be a matter of proper precaution. Something as simple as keeping your full attention on the obstacle you're clambering over or under in that moment can be the difference between reaching the finish line or the medic's tent, Stewart adds.