Monday's meeting at
Roscommon has been abandoned as part of the course is unfit for racing.
Twelve millimetres of rain fell overnight and there were further showers this morning.
An eight-race card was to have featured the €25,000 Foran Equine Irish EBF Auction Race.
Horse Racing Ireland tweeted: "Following a further 4mm of rain since 9am and with more rain forecast @RoscommonRaces is abandoned as part of the track is unfit to race."