"Flat" may be a matter of perspective: http://www.letsrun.com/forum/flat_read.php?thread=728621 http://www.letsrun.com/forum/flat_read.php?thread=728621 (A di

"Flat" may be a matter of perspective: http://www.letsrun.com/forum/flat_read.php?thread=728621 http://www.letsrun.com/forum/flat_read.php?thread=728621 (A discussion of how "hilly" Boston is with respect to the Boston Marathon.) "If you live in Kansas Boston is hilly. If you live in Colorado Boston is flat."