A very slow 55 sec run on the Shelsley Walsh hill climb track at Thrill On The Hill 2015.
I found it a very difficult and challenging track and it is difficult to sight the correct lines on the very narrow track.
I was well aware of the need to be able to drive home after the event. In our case an over 2,000 km drive home!
I quite agree Peter, from my limited hill climbing experience I would say Shelsley could easily catch out the unwary or less experienced. Like you I took it pretty steady and probably was in the low fifties. The difficulty is that it entices you into getting a lot of speed up and the the beds are suddenly on you. Three of the bends are adverse camber as you enter, and one just after a rise, on any of the three you'd only need to enter slightly too fast and you could easily loose the rear end, game over.