Thunder of hooves

The grey mare was visible on the track to the west of Brock's Hill as I arrived on site.
As I walked toward her she came to meet me (I told her she shouldn't!).  Another pony was up on the NW shoulder of the hill and just beyond the three cows were grazing in the sunshine.  While I was examining the cows I heard a thunder of hooves as the other six ponies came galloping around the track.  They were joined by the first two ponies and the cows decided they would run off further up the hill.  All seemed well and happy to be in the sun.