This is the basic loop. It is almost exactly 2K. (Preliminary measurement was 2007 meters. 6K runs three laps, 8K runs 4.
Start is about 80 meters to the left of the green dot on this preliminary map. Finish be in approximately the same place, though to the left of the main course.
Surface is mostly grass, but also has chips, gravel, and a bridge. There are no hills.