|National Winter Swiming Championships|
|Venue: Ponds Forge International Sports Centre, Sheffield Dates: 13-17 December|
|Coverage: Watch live on Connected TV, BBC Sport website & mobile app.|
BBC Sport brings you live coverage of the National Winter Swimming Championships in Sheffield from Wednesday, 13 December to Sunday, 17 December.
Olympic silver medallists Siobhan-Marie O'Connor and James Guy are among the stars in action at Ponds Forge International Sports Centre in Sheffield.
The championships will be the final chance for swimmers to make a case to be included in England's team for the 2018 Commonwealth Games in Australia.
While Guy and O'Connor have already been selected to compete at the Games on the Gold Coast, both will still be looking to impress in their respective events.
Other competitors include Chris Walker-Hebborn, Andrew Willis, Molly Renshaw, Aimee Willmott and Hannah Miley.
Watch all the action live on Connected TV, the BBC Sport website and mobile app.