Ridewithgps are about to begin using a new elevation calculation method that provides more accurate figures. Additionally, all existing routes and rides will be updated to use the new calculations. It will be interesting to see how they will compare with others such as OpenRunner which often shows much lower estimates.

I just came across an excellent article on how to download free maps to your Garmin Edge 705/800/810 OpenStreeMaps are easy to order from this site http://garmin.openstreetmap.nl/ and DCRainmaker tells you how to get them onto your map-capable Garmin device here: http://www.dcrainmaker.com/2013/05/download-garmin-705800810.html

Looking for a new computer and not sure which one will meet your needs? This review by DCRainmaker might help  

Portable Emergency AA Battery Charger Extender suitable for the Garmin EDGE 500 This comes highly recommended by other randonneurs. I wonder if it works with the Edge 810? http://www.gomadic.com/garmin-edge-500-portable-aa-battery-extender.html Andrew Mead says:  I start with the Gomadic plugged in so the Edge draws external power first and doesn’t put the AAs into a high current…

The touchscreen Edge 810 rovides navigation and advanced training capabilities for the dedicated cyclist. It connects through your smartphone to access live tracking, social media sharing and weather. The 810 works with detailed street or TOPO maps for navigation when touring, commuting or doing other activities. Its GPS capabilities provide accurate data and navigation capabilities…

Your smartphone can be a powerful navigational tool, whether you have cell service or not. Using Your Smartphone as a GPS Unit