World champion James Gibson set a new British and Commonwealth 100m breaststroke record on the opening day of the British Short Course Championships in Stockport.
Gibson broke the old record by 0.64secs
Both Gibson and Newcastle's Chris Cook went under the previous record in the semi-finals, with the Loughborough swimmer carving 0.64 seconds off Cook's six-month-old standard to qualify fastest for Friday's final.
Gibson became the first Briton since David Wilkie 28 years ago to win World Championship gold when he won the 50m breaststroke in Barcelona last month.
"I had a bit of a comedown after the World Championships and it was difficult to pick myself up again, so that was fantastic and I'm obviously still in great form," said Gibson.
"I can't wait for the final. It should be a great race. It's going to be
"That was by no means perfect and I've got to work on the technical aspects of my swim because I had some awful turns there."