MCSL Records
Last Updated: June 14, 2023
| Event # | Event | Time | Swimmer | Team | Year |
|---|---|---|---|---|---|
| 1 | Boys 12U 100M I.M. | 1:03.31 | Andrew Vanas | WWD | 2021 |
| 2 | Girls 12U 100M I.M. | 1:06.59 | Carly Sebring | DA | 2017 |
| 3 | Boys 13-14 100M I.M. | 58.23 | Adriano Arioti | RV | 2021 |
| 4 | Girls 13-14 100M I.M. | 1:03.08 | Carly Sebring | DA | 2019 |
| 5 | Boys 15-18 100M I.M. | 55.68 | Adriano Arioti | RV | 2023 |
| 6 | Girls 15-18 100M I.M. | 1:00.82 | Phoebe Bacon | TH | 2019 |
| 7 | Boys 8U 25M Freestyle | 15.16 | Timmy Ellett | TW | 2009 |
| 8 | Girls 8U 25M Freestyle | 15.48 | Megan Sharkey | PW | 2010 |
| 9 | Boys 9-10 50M Freestyle | 29.47 | Adriano Arioti | RV | 2017 |
| 10 | Girls 9-10 50M Freestyle | 29.58 | Giulia Baroldi | PGL | 2014 |
| 11 | Boys 11-12 50M Freestyle | 25.60 | Andrew Vanas | WWD | 2021 |
| 12 | Girls 11-12 50M Freestyle | 27.39 | Carly Sebring | DA | 2017 |
| 13 | Boys 13-14 50M Freestyle | 24.27 | David Fitch | PO | 2018 |
| 14 | Girls 13-14 50M Freestyle | 26.33 | Carly Sebring | DA | 2018 |
| 15 | Boys 15-18 100M Freestyle | 50.47 | Matt Thomas | MW | 2011 |
| 15 | Boys 15-18 100M Freestyle | 50.47 | Everett Oehler | WG | 2022 |
| 16 | Girls 15-18 100M Freestyle | 54.59 | Erin Gemmell | PW | 2022 |
| 17 | Boys 8U 25M Backstroke | 18.09 | Darius Truong | RV | 2011 |
| 18 | Girls 8U 25M Backstroke | 18.58 | Karla Wilson | MW | 1982 |
| 19 | Boys 9-10 25M Backstroke | 15.58 | Brett Feyerick | TH | 2013 |
| 20 | Girls 9-10 25M Backstroke | 15.78 | Phoebe Bacon | TH | 2013 |
| 21 | Boys 11-12 50M Backstroke | 28.47 | Brett Feyerick | TH | 2015 |
| 22 | Girls 11-12 50M Backstroke | 29.91 | Phoebe Bacon | TH | 2015 |
| 23 | Boys 13-14 50M Backstroke | 26.44 | Adriano Arioti | RV | 2021 |
| 24 | Girls 13-14 50M Backstroke | 28.23 | Phoebe Bacon | TH | 2016 |
| 25 | Boys 15-18 100M Backstroke | 53.48 | Jack Conger | FV | 2012 |
| 26 | Girls 15-18 100M Backstroke | 56.71 | Phoebe Bacon | TH | 2019 |
| 27 | Boys 0U 200M Medley Relay | 1:46.25 | Nasim Elkassem, Harrison Quach, Samir Elkassem, Brady Begin | CG | 2023 |
| 28 | Girls 0U 200M Medley Relay | 1:59.89 | Eleanor Sun, Jane Umhofer, Clara Attar, Isla Bartholomew | WM | 2021 |
| 29 | Boys 8U 25M Breast stroke | 19.37 | Darius Truong | RV | 2011 |
| 30 | Girls 8U 25M Breast stroke | 20.83 | Yaly Levy | RV | 2003 |
| 31 | Boys 9-10 25M Breast stroke | 17.18 | David Fitch | PO | 2014 |
| 32 | Girls 9-10 25M Breast stroke | 17.23 | Emma Lantry | K | 2017 |
| 33 | Boys 11-12 50M Breast stroke | 32.79 | David Fitch | PO | 2016 |
| 34 | Girls 11-12 50M Breast stroke | 33.45 | Joyce Wu | KFM | 2017 |
| 35 | Boys 13-14 50M Breast stroke | 30.32 | Jack Dawson | SG | 2023 |
| 36 | Girls 13-14 50M Breast stroke | 32.62 | Joyce Wu | KFM | 2019 |
| 37 | Boys 15-18 100M Breast stroke | 59.56 | Carsten Vissering | OG | 2015 |
| 38 | Girls 15-18 100M Breast stroke | 1:09.46 | Jaycee Yegher | DT | 2016 |
| 39 | Boys 8U 25M Butterfly | 16.07 | Darius Truong | RV | 2011 |
| 40 | Girls 8U 25M Butterfly | 16.96 | Megan Sharkey | PW | 2010 |
| 41 | Boys 9-10 25M Butterfly | 14.82 | Adriano Arioti | RV | 2017 |
| 42 | Girls 9-10 25M Butterfly | 14.77 | Carly Sebring | DA | 2015 |
| 43 | Boys 11-12 50M Butterfly | 27.28 | Andrew Vanas | WWD | 2021 |
| 44 | Girls 11-12 50M Butterfly | 29.20 | Carly Sebring | DA | 2017 |
| 45 | Boys 13-14 50M Butterfly | 25.60 | Adriano Arioti | RV | 2021 |
| 46 | Girls 13-14 50M Butterfly | 27.49 | Carly Sebring | DA | 2019 |
| 47 | Boys 15-18 50M Butterfly | 23.94 | Jack Conger | FV | 2013 |
| 48 | Girls 15-18 50M Butterfly | 27.06 | Phoebe Bacon | TH | 2019 |
| 49 | Boys 14U 175M Freestyle | 1:41.06 | Jeffrey Qin, Devin Truong, John Jeang, Darius Truong | RV | 2011 |
| 50 | Girls 14U 175M Freestyle | 1:45.26 | Nina Allen, Tia Thomas, Shannon Lamb, Sophia Diaz | SG | 2015 |