(2020, Toni Colette, Damien Lewis et al)
Based on a true story of a racehorse trained by a Welsh barmaid (played by Toni Colette).
Transport to the races is provided by Watts of Bonvilston S498UAK, a Mercedes O814D with Plaxton coachwork, seen wearing registration S717NBL:
It appears a second time, but I guess the two scenes were filmed on the same day: