who ran the furthest compared to their garmin
Forerunner 305 - 26.45 miles
Mine Garmin forerunner 205 showed 26.89
I have since loaded up in google earth and can see point round Canary Wharf and also around 22 miles it goes way out and also under the train station bridge about 23 miles?
Link here: http://connect.garmin.com/activity/171293856