#388: In-Person Conversation w/ Boston Marathon Race Director  Sarah and Dimity, plus the attendees of AMR’s Cape Cod Retreat, are rapt by anecdotes and advice shared by Dave McGillivray, the longtime race director of the Boston Marathon. An amazing endurance athlete and father of five, Dave recounts: -his 3,452-mile saga of running across America in 80 days recounted in his new children’s book; -how Boston-qualifying time standards reflect the “pursuit of athletic excellence;” -how he puts his motto “My game;…