Racing updates as pertaining to COVID-19 NOTICE: Please email prior to your arrival ALL equine health documents to mrcinfo@state.mn.us NOTICE OF CLENBUTEROL RULE CHANGE IN QUARTER HORSES On Thursday, April 20th 2017, the Association of Racing Commissioners International (ARCI) voted to amend the model rules for the bronchodilator Clenbuterol to make it a prohibited substance in … Continue reading Horsepersons