| 50m Backstroke (SC) |
| Boy's 12 years |
| Karratha* | 35.96 | 1 Jun 2019 | SSG Insight Geraldton SC Classic | |
| 200m Backstroke (SC) |
| Boy's 10 years |
| Karratha* | 3:27.15 | 1 Oct 2017 | 2017 Kimberley Open Short Course Championship | |
| Boy's 11 years |
| Karratha* | 2:51.48 | 22 Sep 2018 | 2018 SWA State Junior SC Championships | |
| 50m Butterfly (LC) |
| Boy's 12 years |
| Karratha* | 33.58 | 25 Oct 2019 | Time Trial 25/10/2019 Karratha/Wickham | |
| 50m Butterfly (SC) |
| Boy's 11 years |
| Karratha* | 39.92 | 28 Sep 2018 | 2018 Kimberley Open Short Course Championship | |
| Boy's 12 years |
| Karratha* | 34.55 | 1 Jun 2019 | SSG Insight Geraldton SC Classic | |
| 100m Butterfly (SC) |
| Boy's 11 years |
| Karratha* | 1:40.14 | 3 Jun 2018 | 2018 Geraldton Short Course Classic | |
| 50m Freestyle (LC) |
| Boy's 12 years |
| Karratha* | 29.10 | 25 Oct 2019 | Time Trial 25/10/2019 Karratha/Wickham | |
| Boy's 13 years |
| Karratha* | 27.68 | 23 Oct 2020 | Time Trial 23.10.2020 | |
| 50m Freestyle (SC) |
| Boy's 11 years |
| Karratha* | 30.00 | 22 Sep 2018 | 2018 SWA State Junior SC Championships | |
| Boy's 12 years |
| Karratha* | 28.48 | 21 Sep 2019 | 2019 SWA Junior SC Championships | |
| Boy's 13 years |
| Karratha* | 26.41 | 19 Sep 2020 | 2020 SWA Junior SC Championships | |
| 100m Freestyle (LC) |
| Boy's 12 years |
| Karratha* | 1:03.55 | 25 Oct 2019 | Time Trial 25/10/2019 Karratha/Wickham | |
| Boy's 13 years |
| Karratha* | 1:02.09 | 3 Jan 2020 | SunSmart Country Championships | |
| Boy's 14 years |
| Karratha* | 57.42 | 5 Dec 2020 | Sunsmart SWA LC Qualifying Meet #2 | |
| 100m Freestyle (SC) |
| Boy's 11 years |
| Karratha* | 1:07.18 | 22 Sep 2018 | 2018 SWA State Junior SC Championships | |
| Boy's 12 years |
| Karratha* | 1:02.58 | 21 Sep 2019 | 2019 SWA Junior SC Championships | |
| Boy's 13 years |
| Karratha* | 57.23 | 19 Sep 2020 | 2020 SWA Junior SC Championships | |
| 200m Freestyle (LC) |
| Boy's 12 years |
| Karratha* | 2:21.14 | 12 Apr 2019 | 2019 HFMF Junior Long Course Championships | |
| Boy's 13 years |
| Karratha* | 2:13.87 | 3 Jan 2020 | SunSmart Country Championships | |
| Boy's 14 years |
| Karratha* | 2:05.59 | 18 Dec 2020 | Hancock Prospecting WA Swimming Championships | |
| 200m Freestyle (SC) |
| Boy's 11 years |
| Karratha* | 2:26.57 | 22 Sep 2018 | 2018 SWA State Junior SC Championships | |
| Boy's 12 years |
| Karratha* | 2:17.73 | 21 Sep 2019 | 2019 SWA Junior SC Championships | |
| Boy's 13 years |
| Karratha* | 2:07.50 | 19 Sep 2020 | 2020 SWA Junior SC Championships | |
| 400m Freestyle (LC) |
| Boy's 11 years |
| Karratha* | 5:42.02 | 23 Mar 2018 | North West Open | |
| Boy's 12 years |
| Karratha* | 5:01.70 | 12 Apr 2019 | 2019 HFMF Junior Long Course Championships | |
| Boy's 13 years |
| Karratha* | 4:42.77 | 3 Jan 2020 | SunSmart Country Championships | |
| Boy's 14 years |
| Karratha* | 4:28.77 | 18 Dec 2020 | Hancock Prospecting WA Swimming Championships | |
| 400m Freestyle (SC) |
| Boy's 10 years |
| Karratha* | 7:24.80 | 3 Jun 2017 | 2017 Geraldton Short Course Classic | |
| Boy's 11 years |
| Karratha* | 5:08.00 | 22 Sep 2018 | 2018 SWA State Junior SC Championships | |
| Boy's 12 years |
| Karratha* | 4:48.17 | 21 Sep 2019 | 2019 SWA Junior SC Championships | |
| Boy's 13 years |
| Karratha* | 4:37.57 | 19 Sep 2020 | 2020 SWA Junior SC Championships | |
| 800m Freestyle (LC) |
| Boy's 11 years |
| Karratha* | 11:48.40 | 23 Mar 2018 | North West Open | |
| Boy's 12 years |
| Karratha* | 10:14.02 | 12 Apr 2019 | 2019 HFMF Junior Long Course Championships | |
| Boy's 13 years |
| Karratha* | 9:46.74 | 3 Jan 2020 | SunSmart Country Championships | |
| Boy's 14 years |
| Karratha* | 9:25.60 | 5 Dec 2020 | Sunsmart SWA LC Qualifying Meet #2 | |
| 800m Freestyle (SC) |
| Boy's 11 years and under |
| WA Country All Time | 10:31.07 | 22 Sep 2018 | 2018 Swimming WA State Open Short Course Championships | WA, HBF Stadium |
| Country Residential | 10:31.07 | 22 Sep 2018 | 2018 Swimming WA State Open Short Course Championships | WA, HBF Stadium |
| Boy's 11 years |
| Karratha* | 10:31.07 | 22 Sep 2018 | 2018 SWA State Junior SC Championships | |
| Boy's 12 years |
| Karratha* | 9:57.44 | 21 Sep 2019 | 2019 SWA Junior SC Championships | |
| Boy's 13 years |
| Karratha* | 9:21.50 | 19 Sep 2020 | 2020 SWA Junior SC Championships | |
| Boy's 14 years |
| Rockingham* | 8:48.82 | 20 Aug 2021 | 2021 Hancock Prospecting WA SC Championships | |
| 1500m Freestyle (LC) |
| Boy's 14 years |
| Karratha* | 18:02.76 | 18 Dec 2020 | Hancock Prospecting WA Swimming Championships | |
