About half way through training for my first marathon, I've stalled. Only the first attempt, though. After clicking along well for 7 weeks, I had three weeks of my training going progressively off the rails. I muddled through the 15 miler in week 8 despite torrential rain about halfway through and generally not feeling great through the run. The next week was supposed to be lighter, tapering down with a couple days of rest before having a simulated half marathon race. I w