The Irish racing calendar is a schedule that outlines the various horse racing events held in Ireland throughout the year. It typically features flat racing from March to November and jumps racing from October to April. Major events include the Irish Derby and the Cheltenham Festival, attracting both local and international participants. Races are organized by different tracks, with prominent venues like Punchestown, Leopardstown, and Navan. The calendar also includes various categories of races, such as graded and listed events, catering to horses of different abilities and ages. This structure helps maintain a vibrant racing culture in Ireland.