Including Roseann Sdoia, 16 spectators lost parts of one or both legs in last year’s Boston Marathon bombings. For some survivors, running—the very spectacle of which brought them to Boylston that day—has become a long-term goal, a symbolic pledge that they won’t stay down long.
Stephen Woolfenden (center, with family) was with his 3-year-old son, Leo, watching for his wife, Amber, to finish, when the second blast severed his left foot and injured his son, as well. In June, Woolfenden, 39, was able to take his first steps, and he’s since returned to work in oncology research. He’s also skied, biked, received a running blade, and, in March, he began training to run again. Before the bombings, he did shorter races, and plans to mark his progress by running a…