Cecelia DeWitt, a member of the Coldwater High School track team in Michigan, has a few running goals she wants to complete before college: After her junior year, she had planned on running her first half marathon, which would prepare her to go the full 26.2 after her senior year. So she signed up for the Bayshore Half Marathon in Traverse City on May 25 to achieve the first part of it. Her dad, Joe, did the same, and helped her train in preparation for their big day. Everything seemed to go accordingly to plan on race day until the...