"Run Up" is a song by American electronic band Major Lazer featuring Canadian singer PartyNextDoor and American rapper Nicki Minaj. It was released on YouTube on January 26, 2017, by Mad Decent and Because Music, intended to be the second single from Music Is the Weapon, but it was then confirmed as the second single from Major Lazer Essentials. The song was written by primary Major Lazer member Diplo, Stargate, PartyNextDoor, Minaj, and Phillip Meckseper, while the song's production was handled by Major Lazer, Stargate, and Jr Blender.