Ironically both will work from GPS I presume but a comparison would be interesting .
Using the technology favoured by our intrepid Lyme Pk crew ( Downs , Pendrill , Cooper etc ) , tracked last nights warm up and warm down : See below .
http://www.gmap-pedometer.com/?r=1168976
So : 6.2 miles plus reps !
Nick.
And here is the David Lewis 4
http://www.gmap-pedometer.com/?r=1143948
(The start is a bit nearer the road than I have drawn it – so it is really 4)
For your next challenge you can map out the mysteries of the Daisy Nook!