Wow... well that little 1 hour down-time is certainly extended quite a bit now.
I had a link to a couple of my training runs on my home page and my web site has been practically inaccessible while the connect.garmin.com site is down. I had to temporarily comment out the embed codes.
I think there should be a more graceful way for you (garmin) to bring your site down for maintenance that doesn't completely break the embedding (at least have a backup server which simply serves up a "down message" for any embedded links... it doesn't strike me as being to hard to accomplish).
And... my complaint here is of course a sign that I truly love your service and despite this issue... know that I very much appreciate the site (when it is working :-)