I'm guessing you had that much trouble getting an ADR based on the time you were going....that's the week leading up to the Marathon, so it's bound to be a bit busier.
Just yesterday, I cancelled our 1/22 ADR and rebooked it for January 31.....and she started naming off times....so instead I told her what time "I" wanted and I got 10 minutes before my "perfect" time.