Warm up to Templenewsam house.
Start at the first light (close to the parkrun finish) run hard up to the road on the path between the farm and the stable lock. Turn left and recover along the grass and behind the house(house on left) run hard down far side of house, recover to next light, a bit further down the hill. Repeat.
There will be 5 lights. If you complete all 5, start coming down the pyramid.