Not sure where you live Chris but I run with the Desford striders and we run usually in 3 groups to cover all levels on mondays and Thursdays. It's not taken seriously and the social side is fantastic, Mondays always starts and finishes at a pub somewhere. You'd be welcome to come along if you want to get back into running. The Leicester half and 10k is on Oct 13th which isnt to bad.
There are about 30 of us doing the benidorm half in November which will be a laugh.