Male:
| Age: | Time: | Date: | Who: |
| 9 | 3:08.90 – SC | 12 / 07 / 2009 | William Gayne |
| 10 | 2:38.67 – SC 3:05.27 – LC | 01 / 01 / 2010 23 / 02 / 2020 | Nathan Roome Jack Welbourne |
| 11 | 2:33.50 – SC 3:09.38 – LC | 01 / 06 / 2011 24 / 02 / 2024 | William Gayne Tyler Swinscoe |
| 12 | 2:25.60 – SC 2:42.09 – LC | 01 / 06 / 2012 02 / 04 / 2022 | William Gayne Oliver Smith |
| 13 | 2:21.18 – SC 2:34.13 – LC | 23 / 03 / 2013 25 / 02 / 2023 | William Gayne Oliver Smith |
| 14 | 2:10.19 – SC 2:27.42 – LC | 15 / 03 / 2014 23 / 02 / 2019 | William Gayne Kyle Merryweather |
| 15 | 2:17.94 – SC 2:27.95 – LC | 01 / 01 / 2012 19 / 02 / 2022 | Elliot Woodward Reuben Fox |
| 16 | 2:11.80 – SC 2:14.76 – LC | 01 / 06 / 2016 16 / 01 / 2016 | William Gayne William Gayne |
| 17+ | 2:20.07 – SC 2:25.13 – LC | 18 / 06 / 2022 23 / 02 / 2020 | Kyle Merryweather Luke Mitchell |
Female:
| Age: | Time: | Date: | Who: |
| 9 | 3:11.11 – SC 3:23.53 – LC | 24 / 06 / 2017 21 / 01 / 2017 | Eve Turnbull Eve Turnbull |
| 10 | 2:49.81 – SC 3:03.38 – LC | 14 / 07 / 2018 20 / 01 / 2018 | Eve Turnbull Eve Turnbull |
| 11 | 2:42.88 – SC 2:45.10 – LC | 01 / 06 / 2010 23 / 02 / 2020 | Eden Michell Pippa Hickman |
| 12 | 2:34.27 – SC 2:42.24 – LC | 14 / 02 / 2009 23 / 02 / 2020 | Mia Sallis Neve Bursztyn |
| 13 | 2:35.70 – SC 2:38.55 – LC | 27 / 11 / 2021 19 / 02 / 2022 | Pippa Hickman Pippa Hickman |
| 14 | 2:31.23 – SC 2:31.74 – LC | 27 / 11 / 2021 25 / 02 / 2023 | Neve Bursztyn Pippa Hickman |
| 15 | 2:34.46 – SC 2:28.38 – LC | 05 / 11 / 2022 24 / 02 / 2024 | Neve Bursztyn Pippa Hickman |
| 16 | 2:26.29 – SC 2:49.96 – LC | 23 / 06 / 2024 23 / 02 / 2020 | Pippa Hickman Jessica Mitchell |
| 17+ | 2:34.29 – SC 2:45.23 – LC | 01 / 06 / 2002 20 / 01 / 2018 | Katie Loker Amy Hoyle |