On November 8, 2003, about 1530 eastern standard time, a Cessna 172K, N78203, was substantially damaged while landing at a private airstrip in Kilbourne, Ohio. The certificated private pilot was not injured. Visual meteorological conditions prevailed and no flight plan had been filed for the flight that departed the Port Columbus International Airport (CMH), Columbus, Ohio. The personal flight was conducted under 14 CFR Part 91. The airplane was on approach to a 2,800-foot-long, turf runway, that was located on a farm and oriented on a north/south heading. The pilot reported he landed "long" and was not able to stop the airplane before it departed the end of the runway. The airplane entered a plowed field and nosed over. The pilot added that winds were calm at the time of the accident and he did not experience any mechanical problems.