802101 runs along the down relief line (as booked) at Challow on 14 May 2018 with the 5Z93 12:17 Paddington to Bristol Parkway test run. I had already photographed the earlier 5Z90 & 5Z92 runs. I didn't bother with the 5Z91, 5Z93 or 5Z95! Note the lack of any GWR branding.