Did this last year, and will be there again this weekend, its a lovely setting of a country park, complete with Deers!
Nice off road five miler, but be warned, I live locally and its rained a hell of a lot the last few days, and the course will be very muddy... there was a stream crossing last year which was tough, and a little bridge over the river, and that up and down finish, but no hills to speak of. Think it would be a quick course, but not sure it will be this weekend.
Looking for 35 mins, but without proper of road trainers the slipage might put paid to that..
I would say give it a go, getting back to the car covered in mud,knowing you have done your self justice is a great feeling!