With three sub-2:09 Japanese men in the race and good weather conditions by Boston standards the chances were decent that somebody was going to follow 1981 winner Toshihiko Seko's 2:09:26 and score a sub-2:10 at the Boston Marathon. But nobody thought it was going to be by a 2:14 amateur.Paris Olympic team member Suguru Osako had taken 3rd in Boston in 2:10:28 in his debut seven years ago, and