Posted: 07/06/2013 at 12:34
I wouldn't start by running 6 days a week. The aim of your training will be to build muscle mass, which is done by slightly straining your existing muscle, which causes micro-tears in your muscles. As you rest, the micro-tears repair themselves and in so doing, build more muscle. The key period, therefore, is the rest period. I would therefore train every other day: you'll risk injury otherwise.
It might be a good idea to do a short event to get a time established: parkruns are great for this. Then use this to guide a training plan: Smartcoach (see link below) will get you a sensible plan tailored to your current pace:
But a half-marathon in October, from where you are now, is possible. Just make sure you stick to a plan.