marathon on the brain

I can't seem to work for more than 10 minutes before the realization that I am ONLY 8 days away from my marathon sneaks in and distracts me.  I would maybe classify this as overwhelmed.  It reminds me of when I was pregnant and you would forget for a few minutes that you were about to have a baby, then you would look down (or get kicked internally!) and the enormity of the situation would flood your mind. OK-so maybe not that important of a life event---but signigficant nontheless.
Hope I can run the whole way.
Hope my knees are kind to me.
Hope I enjoy it.