A good crowd of us gathered this evening for John’s ruthless (in a good way!) Flamstead End course. It was full of tempting control clusters and blind endings. Every control was visited at least once, even those on the far side of the A10! The course is definitely worth a look, or trying as a DIY-O, if you were unable to attend.
The results are available here:
To view routes you will need the PIN printed on the map. That can be accessed by following the link here.