Runners follow an out-and-back route just outside Chicago with plenty of hilly stretches at the March Madness Half Marathon, which starts and finishes at Cary’s Cary-Grove High School on Three Oaks Road. From there, the course follows a counter-clockwise loop along Three Oaks, North Hickory Nut Road, Rawson Bridge Road and Crystal Lake Road.
(MORE: March Madness Half Marathon event details)