RunnersWorld.com currently has blogs from seven well-known marathoners. Deena Kastor and Peter Gilmore are less than a week away from their Boston Marathons. Meb Keflezighi and Ryan Hall will run London six days later. Jack Fultz (1976), Greg Meyer (1983), and Lisa Rainsberger (1985) write about their Boston Marathon victories. Hall just did a 26-mile training run that ended with 9:25 for 2 miles on the track. You can click around to the others from his page.