A man has been found guilty of causing grievous bodily harm after attacking a ballet dancer in Cardiff in November 2011.
Mohammed Ali Mohamoed, 28, broke the neck of Jack Widdowson, 19, from Somerset.
Mohamoed, from Splott, was cleared of a charge of attempted murder.
A judge at Cardiff Crown Court sentenced him to 13 years in jail.
More top news
Helen Plint's weather forecast for Wales
A group of ex-servicemen have become the first people to climb Pen y Fan in the Brecon Beacons for 24 hours non-stop.
Thousands of athletes are in Tenby for the competition which consists of a two mile swim, a 112 mile cycle ride and a marathon.