The water stations were the cleanest I've ever seen at a race. I didn't have any worries about slipping and falling on empty cups.
The tear down of timing signs began way too early.

"This race was pleasant--aside from the 93% humidity that morning. Course runs around NYC's Central Park with the tougher hills between miles 1 and 4. No real complaints about the race or logistics. NYRR knows how to do races -- plentiful aid stations, clocks, safe course and good

This race is a bit expensive but totally worth the price. It's extremely well run, very well supported, and you can't beat the views as you run through Arlington and DC.