The YMCA Famous Idaho Potato Marathon, presented by the Idaho Potato Commission, is a full marathon, half marathon, 10K or 5K course along the Boise Greenbelt. It will begin at 7 a.m. Saturday, May 18, at Lucky Peak State Park, 9725 ID-21. All courses are flat and fast, and the marathon can be used to qualify for the 2020 Boston Marathon. The entire family is welcome; there will be distances that work for everyone. For more information or to register, go to ymcatvidaho.org.