It looks like Dick and Rick Hoyt will be missing the Boston Marathon this year while Rick is recovering from surgery. They will be missed this year. They are a staple of the Boston Marathon. It's great for what they run for. Hope to see them next year...
http://www.boston.com/sports/specials/marathon/articles/2007/03/29/hoyts_forced_to_miss_marathon/
http://sports.bostonherald.com/otherSports/view.bg?articleid=191589