Hi all , just wondering how long it takes to loose a little weight and build up a decent fitness , have been doing some sort of riding now for the last 2 weeks ( couple of little rides 2 miles etc and now a couple of 10 milers and last night a 20 miler ) i doing bristol to chobham 100 miles on august 24th just hoping this gives me enough time to buld up fitness stamina etc , do people think a months training should be ok and does anyone have any tips etc , thanks