Bill Iffrig

[Editor's Note: In the men's division of the 2014 Boston Marathon, run April 21, American Meb Keflezighi, 39, won with a time of 2 hours, 8 minutes and 37 seconds. He was the oldest winner since at least 1930. Rita Jeptoo of Kenya defended her women's title, with a course record of 2:18:57.]

Bill Iffrig was a few yards short of the finish line at the Boston Marathon when the 78-year-old runner was knocked to the ground by the first of two blasts. A Boston Globe photographer shot several pictures of the fallen Iffrig with police and race assistants nearby, and the images soon appeared…