One of the top women finishers at Boston today used to run by my house every day in high school as she practiced for her cross country team. Kara Goucher came in sixth among the women contestants. Her efforts like those of all of the other competitors were overshadowed by the bombs which blew up killing those rooting the finishers on.
And yet the murderer/s who if caught will gain some long lasting infamy will never be of as much consequence as the many unknown bystanders who rushed to the aid of the victims. Others have put it much more eloquently for instance this person quoted on the Daily Dish.