This is an intentional split of the "how fast is my F18" thread...

There is a site, Motionbased, now owned by Garmin, that allows you to post and share your GPS tracks. It attaches weather/wind data to your tracks so you can compare conditions. You can sign up for free and keep up to 10 tracks. It takes a monthly fee to keep more.

See my track from last month's Green Island Race on Lake Erie at Green Island Track There are many tools you can use that help analyze your route. For sailing routes, it is really cool to use the "map player" (using Internet Explorer). Switch the background in the left frame to "photo" and select "speed" in the zones drop down. Then hit the play button.

Short story about this race are posted at My Story Other stories posted by Jamie Diamond and Mike Fahle at http://sailocra.com/

This is a screen shot from the service (Deleted by forum administrator because of over-width)... to actually use it, you must follow the link above (green island track).