I wrote up a piece on how to use visualization techniques (especially Google Earth and other forms of satellite imagery) to prepare for a triathlon for the Ontario Women’s Triathlon. Here’s the link:
http://womenstriathlon.com/blog/how-google-maps-can-help-you-visualize-your-triathlon/
http://womenstriathlon.com/blog/how-google-maps-can-help-you-visualize-your-triathlon/
Best of luck to all participants!