Not the highest standard of racing on the planet but a nice location & day out if the weather is pleasant.
https://secure4.gatewayticketing.com/Windsor-Racecourse/shop/ViewItems.aspx?CG=44F&C=1A
https://secure4.gatewayticketing.com/Windsor-Racecourse/shop/ViewItems.aspx?CG=44F&C=1A