Starting the Monday after Superbowl I started walking to and from work (1.5 miles) and going on a 50-60 minute walk/jog every other day. I also revamped my diet. This is going from almost no fitness to moderate levels. I've lost 16 lbs. since then, and I'm up to 7km in that 60 minute evening walk/jog.
I really don't see a 9 minute mile (basically a 10k in 55 minutes) as incredibly out of reach. I've gone from a 17 minute mile to a 13:30 mile in less than a month, and that was with a week break from the evening exercise. A 9 minute mile is a decent jog for someone that's at a healthy point.
By the way: evening walks are a great time to listen to podcasts or lectures!
I really don't see a 9 minute mile (basically a 10k in 55 minutes) as incredibly out of reach. I've gone from a 17 minute mile to a 13:30 mile in less than a month, and that was with a week break from the evening exercise. A 9 minute mile is a decent jog for someone that's at a healthy point.
By the way: evening walks are a great time to listen to podcasts or lectures!