Gmaps Pedometer trace and measure your route on a google map. for runners, riders, and drivers. What is this? This is a little hack that uses Google's superb mapping application to help record distances traveled during a running or walking workout. Why? As a runner training for a marathon for the first time, I found myself wishing I had an easy way to know the exact distance a certain course is. Looking at Google Maps, and knowing there was a vibrant community of geeks hacki in online software & serviceswith bikescommutemapsmeasurepedpedestrianby 45 users