Easy out and back course with one small hill about .6 miles from the start.
5k (1 loop), 10k (2 loops), 15k (3 loops) with an aid station at every loop:
http://www.gmap-pedometer.com/?r=6600154
Half marathon is 2 x 6.55 mile loops with an aid station at every loop:
http://www.gmap-pedometer.com/?r=6600158
Marathon is 4 x 6.55 mile loops with an aid station at every loop: