Amby Burfoot thrills the crowd.
"Greetings, bpp, from the top of heartbreak! That was TOUGH."
That's Ian Chillag, folks, Tweeting from the top of Heartbreak Hill in the Boston Marathon. Chillag says Amby Burfoot, 1968 champion, served as Sherpa. They've got about five miles to go.
Meanwhile, Associated Press reports: Robert Cheruiyot won his fourth Boston Marathon on Monday, and Dire Tune outkicked Alevtina Biktimirova by 2 seconds in the closest finish in the history of the women's race.