Well it's flat, but not good for PBs - it's run along the Thames towpath and so has kissing gates, other gates, members of the public and their dogs trying to share it with you. Having said all that, if you can cope without worrying about a PB it's a beautiful scenic run, and if blessed with the usual occult Purple Patch ability to command fine dry weather it's a knockout! I must sign up ... Hi there Muttley, how's it going?