BILLERICA ­­— Of the many neighbors, friends, and loved ones of Glenn and Carolyn Corbett who joined a 5-kilometer charity race Saturday in memory of their daughter, perhaps no one had a closer connection than Yolanda Beavers.

Soon after Kristen Corbett was killed in Texas in an automobile accident nearly three years ago, Beavers, a San Antonio resident with a rapidly worsening coronary condition, received the young woman’s heart.