Top swimmers from England and elsewhere were competing to reach senior and A and B finals in a full programme of events and junior and senior medals were awarded. In total, COSSS won 14 medals (see below) and had 30 other A and B finalists.
For full results, go to the Swim England website by clicking here
COSSS medallists
Gold
Joe Litchfield (19) 400 IM, 200 IM
Jay Lelliott (22) 400 free, 1500 free
Ellie Faulkner (24) 200 free, 400 free
Silver
Reuben Visda (14) Junior 200 fly
Rosie Rudin (19) 400 IM
Nick Grainger (23) 200 free
Bronze
Sapphy Gabbani (14) Junior 400 free
Reuben Visda (14) Junior 100 fly
Sam Budd (19) 400 free
Jay Lelliott (22) 200 free
Ellie Faulkner (24) 100 free