Good morning. I'm 37, 5ft and 15 st, bmi puts me upper end of obese (scary). Friend of my asked if I would do the women v cancer ride the night 50k next year, I agreed thinking it would force me to get moving again. currently i'm using my teenage daughters bike (bmx, no gears), went out for the first time last night and managed a grand total of 1.28K before walking the bike back as we live on a very slight slope (the sort that when in a car you don't even know is a hill!) and I couldn't ride it back! When I got in my husband said yay you didn't die (just being silly and his way of supporting me lol), I just bust in to tears, I felt so deflated. this morning i'm determined to do this! We looked at bikes on line with gears thinking that may help (new to this and not ridden in over 20 years so no clue lol). Anyone have any advice / tips either on bike choice or training?