BOSTON (CBS) – A 5K run-walk was held to honor a victim of the Boston Marathon bombings was held on a unique route Saturday in Boston. The first “Lingzi Dream Dash 5K” was run on the Boston Common Saturday morning. New Boston Police Commissioner William Gross attended the race. The course through the park was meant to reflect the beauty that Lingzi Lu found in her adopted city of Boston. The 23-year-old Boston University graduate student from China was killed at the marathon finish line in 2013.