"Runaway (U & I)" is a song by Swedish electronic music duo Galantis. It was released on 5 October 2014 as the lead single from their debut studio album Pharmacy (2015). The song features uncredited production work by Svidden, as well as Julia Karlsson performing the chorus and Cathy Dennis performing two verses on heavily processed and uncredited vocals. The song is written in B-flat minor at a tempo of 126 beats per minute.