Quick note on this long-running 5k in Katonah, NY. It combines the road and the trail for a unique 5k around the village of Katonah, NY.
Register here: http://www.active.com/running/katonah-ny/katonah-5k-road-and-trail-race-2012
UPDATE: Results are here: http://crosssportwoman.com/2012/09/race-results-2012/