Radio 1's Big Weekend

Radio 1's Big Weekend is a music festival run by BBC Radio 1, previously known as One Big Weekend. The festival is held once a year, in a different location within the United Kingdom each time. It is the biggest free live music event in the UK and always includes a host of new artists.

The festival was a spin-off of Radio 1's touring summer roadshow, "One Big Sunday", where every Sunday during July and August, a different town would host the roadshow, usually next to a beach or in a large park.