As there's no such listing in the Guinness World Record, this year's race winners will automatically earn the distinction. It's expected that they'll come in close to the reigning course champions, Team Jack and Adam’s, who clocked in at 2:21 and 15 seconds last year. The current solo men's and women's record holders, both set in recent years, are 2:03:59 and 2:15:25—on the other end of the record-holding spectrum, other equally worthy titles include the fastest marathon dressed as Santa Claus (2:55:50), fastest marathon dressed as a vegetable (3:34:55), and the fastest marathon dressed as a leprechaun (4:22:08). [pdf link] more ›