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Prees Heath RAB. It's where all the support guys setup for the 24hr. Helps that there's a chippy there.
The surface better or worse than the Newbury course? Potholes you can dodge or is it lane-wide trenches?
hippy-
Prees Heath RAB. It's where all the support guys setup for the 24hr. Helps that there's a chippy there.
I've found one Strava activity for the D12/1 and it looks like there's a middle section which doesn't go near the Prees Heath RAB. Looks a bit undoable on an unsupported basis if that's still the course.
The surface better or worse than the Newbury course? Potholes you can dodge or is it lane-wide trenches?
The northern circuit is worse than Newbury, by a considerable margin. Lane-wide bone-jarring trenches all the way across the road. Plus potholes. The smoothest line is to try and ride along the rumble strip by the side of the carriageway. It's smoother than the road surface.
Brommers
How easy is it to do without support? Is there a single point to leave the car with supplies in it which I can access on the whole course?
The start circuit is basically some twiddly single carriageway followed by a whole north and south circuit. Then there's a few laps of the south circuit, a few laps of the north circuit, and then there's the finishing circuit. The south circuit is fast, provided it's not too windy, and reasonably smooth. The north circuit is fast but punishing due to the road surface. The finishing circuit is slow. Overall it's pretty fast though. I don't think it's as fast as the H12H/8 course, due to the finishing circuit, but it's pretty speedy even if the north circuit is deeply unpleasant due to the road surface.