That's an interesting idea. One year seems to much, but that really varies from people to people, and crazy training is bad for your health, so I like your goal, although I think you will do it sooner if you train well.

Also what is your plan? Seek professional help from a coach and maybe a nutritionist, or you are going to do it on your own. Also, regarding the wager, what is your plan to? How do you intend to mark your progress etc. A video?