So I took them (with the lurcher protesting that he needed to stop and sniff/piss even more than on normal runs) on an 8.1 mile linear there and back run down to Coldham Windfarm.
All went well, except when the dogs heard some nearby gun fire. The lurcher responded by having a panic attack, and hiding at the bottom of a deep ditch. Photo below:
I had to climb down the steeply cut banks through stinging nettles, and literally pull the quivering dog out. What a strange dog. The whippet wasn't at all bothered.
We had a good run back, passing through the village of Friday Bridge: