The team of more than 60 competitors managed to come away with 175 new PBs between them, plus 134 medals - 40 of which were gold.

Bathurst Swim Club coach Josh Stapley was blown away by how the team dominated in the pool during a sunny, memorable return to competition.

"It was a great day. Nice weather made it all the more enjoyable for everyone. Everyone settled in really well to the new way of doing carnivals in the COVID-era, with the self-assisted marshalling and we had a big turnout across the board," he said.

"When you have such big team numbers at a carnival you'd expect to do quite well in the overall scheme of things but you still have to show up and have the quality. They certainly took it to all the visitors and some strong clubs from the west of Sydney.

"I'm rapt with the PB numbers. There were even a couple of swimmers who grabbed personal bests in all their events. For how early it is in the season that's really impressive to see.

"We also had a couple of swimmers on the comeback trail who performed very well and we had a few that have been off over the last 12 months who are starting to rebuild, and putting in some of their best

Thalia and Dylan Ruming along with Natalie Groves enjoyed the special achievement of finding new personal bests in every event they competed in.

Other Bathurst swimmers at the top of their game included Jack Mulligan (eight new personal bests), Will Kelly (seven), Madalene Groves, Charlie Peychers (both six), George Milgate and Jeoegia Johnson (both five).

Stapley said more good stories were to be found throughout the club.

"Tahlia O'Connell and Lillian Milgate laid a strong foundation for the year, swimming some of their fastest times in the last 18 months in a very consistent day - a good reward after really stepping up their dedication to training over last several weeks," he said.

"Ben Roffe made his return to racing after a two year hiatus, showing promising results as he begins is qualifying campaign for nationals."

Many swimmers achieved their main goal for the day: Earning their spot at state carnivals thanks to attaining qualifying times.

Stapley said it's exciting to see swimmers easing some of the pressure on themselves by finding those times early in the year.

"Jack Mulligan, Caleb Cashman, Charlie Peychers and Isabel Grout were among those to show some early season form, securing qualifying times for the upcoming NSW Country and NSW Junior State Age Championships," he said.

"Amali Locke, Scarlett Auvaa, Savannah Auvaa, Lara Kearney and Hannah Hayes all had great days, putting in some impressive swims and enjoying the experience of their first major swimming carnival."

One of the next major events on the agenda for the Bathurst Swim Club will be the Mountains And Plains Swimming Championships on February 13 and 14 which will be held at Lithgow.