First, let me say that Nanowrimo (National Novel Writing Month) is an incredible motivator.
Second, let me say that a word count of some 12,000 words as of now, is more than a bit off pace.
My solution? I declare this Mini-Marathon Week. I'm going to put on the big push, forget that Christmas is coming, and just write until my hands are claws or my brain explodes or both. Then maybe, just maybe, I'll make it to 50K for the month.