Have I recently sung the praises of the USATF draw-your-own-running-route site? It looks like it's based on Google Maps, but it lets you draw your own path, including portions that are off-road or along bike trails or through cemeteries. So if you travel a chaotic route like this, you can easily find out how far you went:
It also lets you save routes and look up other people's routes, which sounds cool.
Now I know with precision why my feet