The Mares Champion Hurdle is a Grade 1 National Hunt hurdle race in Ireland which is open to mares aged four years or older. It is run at Punchestown Racecourse over a distance of 2 miles and 4 furlongs (4,023 metres), and during its running there are twelve hurdles to be jumped. The race is scheduled to take place each year in late April or early May.
The race was first run in 2004. It was initially a Listed race, was awarded Grade 3 status in 2006, and then fast-tracked to Grade 1 in 2013. It was initially contested over 2 miles and 2 furlongs, and was increased to the present distance in 2017.