Garmin Connect, a site I use to log my runs and bike rides, switched from Google Maps to Bing Maps back in November. Bing Maps’ coverage seems generally inferior to Google Maps and I think the maps just look better on Google. Also, Bing Maps seems to apply some overly-aggressive line smoothing, making tight corners look like wide curves.
I finally got around to writing a Greasemonkey script to restore the Google Map on the dashboard and activity pages.
Here’s the link to the script: