It is run over a distance of 1 mile, 4 furlongs (2,414 metres) at Newbury in April.
The event is named after John Porter (1838–1922), a successful horse trainer who co-founded Newbury Racecourse.
From this point it was staged in April, and contested by older horses over 1½ miles.
[5] The John Porter Stakes is currently sponsored by Dubai Duty Free.
Its sponsored title promotes the company's Finest Surprise lottery.