A few useful links;

Free Couch to 5k plan for complete beginners/returning runners/injured runners:

Parkrun  – simply find your local, sign up, print your barcode and off you go! A free weekly timed 5k.

Up and Running Social Run Group – these are local run groups from local UpandRunning shops. Again free to attend!

Kinetic Rev – find him on twitter/facebook. Full of useful facts and advice