John Barker has now been found.
John Barker, 14, from Skelton-on-Ure, Ripon, was reported missing from his home address on Friday 15 December 2017.
John was seen at the junction of Horsefair and Fishergate in Boroughbridge at 9pm on Sunday 17 December by a police officer, but made off when approached by the officer.
He is described as white, 5ft 8ins tall, of proportionate build and pale complexion, with short fair hair, blue eyes and a local accent. He was last seen wearing grey tracksuit bottoms and a black puffer-style jacket.
If you see John, or know where he is, please contact North Yorkshire Police on 101, quoting reference number NYP-15122017-0501.