Week 14 Long Run

I did my long run yesterday. It should have been an easy 15 miler. Things were going pretty well - I had done 1 hour and 20 minutes - a little over 9 miles - when a groin cramp hit me. The next 5 miles I did a run-walk mix. Initially I was scared it might be something more serious - but it felt fine later in the day. I did have less water than normal - but I'm not certain if that caused it, or if I have some sort of low-grade cold - I was having horrible runs all week. I'll certainly be looking to take it easy the next 2 weeks - hopefully I'll have some better runs along the way. Total run time was 2 hours and 22 minutes.