Wet forecast prompts Haydock inspection for Friday fixture
Haydock's meeting on Friday is subject to an 8am inspection.
Track officials announced on Thursday they would assess conditions on raceday morning given the wet forecast.
The ground is described as heavy and 15mm of rain could fall from Thursday afternoon to Friday morning.
Haydock is due to stage a seven-race Flat card on Friday when Redcar, Wincanton and Fakenham also host turf fixtures.