A total entry of 230 athletes from nine Tasmanian swimming clubs and 84 from nine interstate clubs will compete in the packed 107-event program at Hobart Aquatic Centre.

The Tasmanian clubs competing are: southern-based HC and Hobart Aquatic, each with 57 swimmers, and Sandy Bay (29); Northern outfits Launceston Aquatic (38), South Esk (32), and Riverside (4); and Burnie (9), Cradle Coast (2) and Ulverstone (2), from the North-West Coast.

Northern swimming duo Sophie Hills and Hugh Dolle capped off an outstanding School Sport Australia swimming championships in Melbourne with an extra accolade.

Hills, 12, and Dolle, 14, who both train with the South Esk Club at Launceston Aquatic Centre, won the Tasmanian senior team sportsmanship awards.

Hills set Tasmanian multi-class open records in the women's 200m individual medley and 50m butterfly, while Dolle claimed silver in his 100m freestyle and set new Tasmanian records for 14 year old boys in the 100m and 50m freestyle.

The junior sportsmanship award went to Eli Jones, 10, of HC.

Five Tasmanian coaches will help to guide the state team at a competition at the Australian Institute of Sport in Canberra in October.

Peter Tonkin (Launceston Aquatic), Rachel Brennemo (HC), Paul Crosswell (Hobart Aquatic), Dylan Davey (Sandy Bay) and Adam Briggs (HC) will work with Swimming Victoria/Tasmania coach Wayne Lawes at the state teams' short-course championships.

Swimming Australia has hailed Ariarne Titmus's performance at the world titles in South Korea as "a career-defining meet".

The 18-year-old former Riverside and Launceston Aquatic swimmer claimed one world record, three Commonwealth records and four Australian records, and won two gold, one silver and one bronze medals in the city of Gwangju.