Posted: 13/05/2013 at 19:21
You need some variety: some easier longer runs, and some shorter, faster runs. And some different routes. All of this will keep you fresh, and will probably boost your motivation.
And sign up for parkrun. Everyone should!
I would also target a race, and follow a training plan for it. Find one here: http://www.runnersworld.co.uk/smartcoach