"Running Free" is the debut single by Iron Maiden, released on 8 February 1980 on the 7" 45 rpm vinyl record format.

"[5] The song is one of the band's more traditional rock numbers, which Mick Wall describes as "Iron Maiden at their punk-metal apotheosis,"[5] and is still performed live to this day.

The single's cover art is famously known as the first official appearance of Iron Maiden's mascot, Eddie, although his face is obscured as the band did not want him unveiled until the album's release.

[6] The B-side "Burning Ambition", recorded in November 1979 at Wessex Studios with producer Guy Edwards as a 4-piece band just prior to hiring Dennis Stratton & Clive Burr,[2] is one of Harris' earliest compositions written around the time he was in Gypsy's Kiss.

[7] Production credits are adapted from the 7-inch vinyl cover,[4] and The First Ten Years CD re-release liner notes.