1. Your runs have become so short and you are running so little that you seriously doubt your ability to run anything more than a 10K.
2. You visit weather.com more than any other website. You know the race city's 10-day forecast by heart and you notice when it changes, hourly.
3. You are
4. You have visited the Runner's World "What to Wear" planner as much as you have visited weather.com.
5. You are convinced that the muscle twitch, soreness, or twinge in the knee is something major and you will be limping across the finish line (that's if you finish).
6. You dream about the race, nightly.
7. You tend to bring up running or marathon training in most conversations you have.
8. You feel like a slacker when you see the dailymile leader board and you are not even on it anymore.
9. You stay away from anyone (even your own child ;-)) who is ill or has been in contact with anyone who has been ill. (No sickness will take you out so close to race day).
10. You have 3 different race day outfits planned. You know, just in case weather.com is wrong!