The selection by Westport to Hove was a non-runner.
The first race tomorrow is the 11:50 at Doncaster.
Saturday's meeting at Doncaster is subject to a precautionary inspection due to the threat of frost.
Friday's meeting at Town Moor went ahead without any problems, but the forecast of sub-zero temperatures prompted course officials to announce a morning check for 7.30am. Acting clerk of the course Paul Barker said: "The updated forecast suggests temperatures overnight could be lower than anticipated, so we've decided to call a precautionary inspection for 7.30am.