LIVESTRONG Challenge

Last year I had just had a baby so I walked the 5K with all three kids. This year I am going to do the 40 mile bike ride with my SIL. I guess I better get a bike and start training. No idea where to start. Maybe drop my step classes for a spinning class? I'd love to do a Century ride, but I know I am not ready for that. Not even sure I can make a 40 mile bike ride! Wish me luck!