The Mercury Stakes is a Group 3flathorse race in Ireland open to thoroughbreds aged two years or older. It is run at Dundalk over a distance of 5 furlongs (1,006 metres), and it is scheduled to take place each year in October.
The race was first run in 2008. It was previously run a Listed race before being upgraded to Group 3 status in 2018.[1] The 2020 race was run in memory of Pat Smullen, an Irish champion jockey who rode his first and last winners at Dundalk, who died in September 2020.[2]