I collected some data at the Barnyard Classic using the Garmin Edge 205. I missed the first lap and then started it while my partner was on his one and only lap. It looks like each lap is about 1.1 miles long. I'd like to know how much climbing but I'm not sure how to figure that out.
From Garmin Training Center:
Uploaded to www.GPSVisualizer.com, over a USGS aerial photo: