Northwestern Pennsylvania entrants who finished the 129th Boston Marathon: Jack Aulbach, 23, Slippery Rock: 5,225th at 3:02.34 Harry Balwick, 40, Erie: 3,819th at 2:57.17 ...

Background Millions of community-dwelling individuals run marathons each year. There are infrequent deaths, which are often reported widely, and may create unnecessary alarm about the potential risks.