USA Girls 10 & under - 50 Y Breast
These rankings show the swimmers' placement within the United States.They are based on the swimmer's personal best, their current age category, and team; and are calculated from all the meets results.
For each swimmer, you can find the swimmer's ranking, their best time, the corresponding time standard, as well as how much faster the swimmer needs to be to reach the next level. The last columns provide information about the event they achieved this personal best.
Swimmer Rankings
| Ranking | Name | Time | Age | Standard | to Next Standard | Team | Date | Meet | |
|---|---|---|---|---|---|---|---|---|---|
| 2001 | Brooklyn Warner | 46.02 | 10 | BB Min | A: 42.79 (+3.23s | 7.0%) | SlipStream Aquatics | 02/13/2026 | 2026 CO NJ Groundhog Invite | |
| 2002 | Claire Liang | 46.03 | 10 | BB Min | A: 42.79 (+3.24s | 7.0%) | DeAnza Cupertino Aquatics | 10/25/2025 | 2025 SUNN Fall Classic | |
| 2003 | Zara Bold | 46.04 | 10 | BB Min | A: 42.79 (+3.25s | 7.1%) | Unattached | 01/30/2026 | 2026 NE GS Silver Championships | |
| 2004 | Julie Wang | 46.04 | 8 | BB Min | A: 42.79 (+3.25s | 7.1%) | SwimMAC Carolina | 02/14/2026 | 2026 SwimMAC Qualifier Festival | |
| 2005 | Emerson Stauder | 46.04 | 9 | BB Min | A: 42.79 (+3.25s | 7.1%) | Lynchburg YMCA Swim Team | 12/04/2025 | 14th Annual Swim Tri Speedo Winter Champs | |
| 2006 | Sutton Schaper | 46.04 | 10 | BB Min | A: 42.79 (+3.25s | 7.1%) | Nitro Swimming | 01/31/2026 | 2026 ST NTRO Fiery Flames | |
| 2007 | Jillian Fiske | 46.04 | 9 | BB Min | A: 42.79 (+3.25s | 7.1%) | Machine Aquatics | 12/20/2025 | 2025 Candy Cane Sprints | |
| 2008 | Ella Pham | 46.05 | 10 | BB Min | A: 42.79 (+3.26s | 7.1%) | Killer Whales Swim Club | 11/15/2025 | 2025 OR SLST Artman Invitational | |
| 2009 | Sophie Zhang | 46.05 | 10 | BB Min | A: 42.79 (+3.26s | 7.1%) | Rockville Montgomery Swim Club | 12/05/2025 | 2025 Christmas Championships | |
| 2010 | Maggie Boyce | 46.05 | 9 | BB Min | A: 42.79 (+3.26s | 7.1%) | Carolina Aquatics Swim Club | 12/05/2025 | ATOM Winter Invite 2025 | |
| 2011 | Hadley Saechao | 46.05 | 9 | BB Min | A: 42.79 (+3.26s | 7.1%) | Lynchburg YMCA Swim Team | 01/31/2026 | LY Vs CA Y January Dual | |
| 2012 | Skylar Bryan | 46.05 | 10 | BB Min | A: 42.79 (+3.26s | 7.1%) | Waterloo Swimming | 02/06/2026 | 2026 ST AQTX STX Champs North | |
| 2013 | Scarlett Browning | 46.06 | 9 | BB Min | A: 42.79 (+3.27s | 7.1%) | Nova of Virginia | 10/24/2025 | NOVA Halloween Haunt | |
| 2014 | Anastazja Shaw | 46.06 | 10 | BB Min | A: 42.79 (+3.27s | 7.1%) | Tennessee Aquatics | 02/13/2026 | 2026 SE BAY Region 2 Championships Copied | |
| 2015 | Gema Maravilla | 46.06 | 10 | BB Min | A: 42.79 (+3.27s | 7.1%) | Arcadia Riptides Swim Club | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 2016 | Anna Neary | 46.06 | 9 | BB Min | A: 42.79 (+3.27s | 7.1%) | Reno Aquatic Club | 02/06/2026 | 2026 Valentines Day Age Group Open | |
| 2017 | Cora Kirbo | 46.06 | 10 | BB Min | A: 42.79 (+3.27s | 7.1%) | Nitro Swimming | 01/31/2026 | 2026 ST NTRO Fiery Flames | |
| 2018 | Natalie Benkovic | 46.06 | 10 | BB Min | A: 42.79 (+3.27s | 7.1%) | Santa Clara Swim Club | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 2019 | Charlie Cubero | 46.06 | 9 | BB Min | A: 42.79 (+3.27s | 7.1%) | The Woodlands Swim Team | 02/21/2025 | MAC Hosted 2025 Gulf 12 Under Champs | |
| 2020 | Quinn Bryant | 46.06 | 10 | B: 43.99 (+2.07s | 4.5%) | South Davis Aquatics Team | 09/26/2025 | Tsunami Fall Kick Off 2025 | ||
| 2021 | Caroline Van Riper | 46.07 | 10 | BB Min | A: 42.79 (+3.28s | 7.1%) | Hydra Aquatics | 01/17/2026 | 2026 PV January Open Audrey Moore | |
| 2022 | Britta Baldwin | 46.07 | 10 | BB Min | A: 42.79 (+3.28s | 7.1%) | Chugiak Aquatics Club | 11/21/2025 | NLSC Sprint Classic | |
| 2023 | Isra Abdul-Knerr | 46.07 | 10 | BB Min | A: 42.79 (+3.28s | 7.1%) | Amherst Tritons Swim Team | 11/07/2025 | 2025 NE UVAC Dorsi Raynolds Memorial Meet C | |
| 2024 | Parker Michael | 46.08 | 9 | BB Min | A: 42.79 (+3.29s | 7.1%) | SwimMAC Carolina | 02/14/2026 | 2026 SwimMAC Qualifier Festival | |
| 2025 | Charlotte Kay | 46.08 | 10 | BB Min | A: 42.79 (+3.29s | 7.1%) | Stingrays Swim Team | 12/04/2025 | 2025 RAYS Nutcracker Classic Copied | |
| 2026 | Kayla Durner | 46.08 | 10 | BB Min | A: 42.79 (+3.29s | 7.1%) | EL Paso Border Land Swim Team | 01/23/2026 | 2026 BD JCAT IMX 2026 | |
| 2027 | Lucy Lu | 46.09 | 10 | BB Min | A: 42.79 (+3.30s | 7.2%) | Tri-city Channel Cats | 12/06/2025 | 2025 IE VS Christmas Open | |
| 2028 | Kleo Macskasi | 46.09 | 9 | BB Min | A: 42.79 (+3.30s | 7.2%) | Arlington Aquatic Club | 09/27/2025 | 2025 PV MAKO FALL INVITATIONAL | |
| 2029 | Riedley Stout | 46.09 | 10 | BB Min | A: 42.79 (+3.30s | 7.2%) | Patriot Aquatics | 12/04/2025 | RAFC Winter Classic | |
| 2030 | Nina Xu | 46.09 | 10 | BB Min | A: 42.79 (+3.30s | 7.2%) | Blue Dolphin Swim Team | 12/06/2025 | 2025 PN Fall Divisionals, Division 3 WAVE | |
| 2031 | McKenzie Neeleman | 46.09 | 10 | BB Min | A: 42.79 (+3.30s | 7.2%) | Cavalier Aquatics/Piedmont Fam | 01/16/2026 | CA Y Winter Rumble Copied | |
| 2032 | Reese Miller | 46.09 | 10 | BB Min | A: 42.79 (+3.30s | 7.2%) | Tampa Y Swimming | 12/12/2025 | 2025 HARRY MEISEL WEST | |
| 2033 | Emily Atria | 46.09 | 10 | BB Min | A: 42.79 (+3.30s | 7.2%) | Ensworth Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 2034 | Sarah Ouzts | 46.10 | 9 | BB Min | A: 42.79 (+3.31s | 7.2%) | 757swim | 01/09/2026 | 2026 757swim Splash And Dash | |
| 2035 | Ananya Arjunan | 46.10 | 10 | BB Min | A: 42.79 (+3.31s | 7.2%) | Tualatin Hills Swim Club | 11/07/2025 | 2025 THSC November Open | |
| 2036 | Ann Garcia Seeley | 46.10 | 9 | BB Min | A: 42.79 (+3.31s | 7.2%) | Riptide Swim Team | 01/16/2026 | 2026 CO CUDA Classic | |
| 2037 | Nohea Gray | 46.10 | 10 | BB Min | A: 42.79 (+3.31s | 7.2%) | Denver Swim Academy | 01/23/2026 | 2026 CO TOPS Colorado Open | |
| 2038 | Neorah Kuzhuppallil | 46.10 | 10 | BB Min | A: 42.79 (+3.31s | 7.2%) | Crimson Aquatics | 01/30/2026 | 2026 NE CS Silver Championships | |
| 2039 | Ella Moore | 46.10 | 10 | BB Min | A: 42.79 (+3.31s | 7.2%) | Machine Aquatics | 10/18/2025 | 2025 NCAP Autumn Kingfish Splash | |
| 2040 | Sofia Caldito | 46.11 | 10 | BB Min | A: 42.79 (+3.32s | 7.2%) | East Bay Silver Dolphins | 10/11/2025 | VJO Sprint For The Golden Ticket CBA+ 2025 | |
| 2041 | Aaira Jain | 46.11 | 9 | BB Min | A: 42.79 (+3.32s | 7.2%) | Hillsboro Swim Team | 01/16/2026 | 2026 THSC 14 U Winter Showcase | |
| 2042 | Caroline Mack | 46.11 | 10 | BB Min | A: 42.79 (+3.32s | 7.2%) | YMCA of the Triangle Area Swim | 01/23/2026 | GCY Winter Meet 2026 | |
| 2043 | Evelyn DeRose | 46.11 | 10 | BB Min | A: 42.79 (+3.32s | 7.2%) | Charger Aquatics | 12/19/2025 | 2025 BD Leo Cancellare Memorial Swim Meet | |
| 2044 | Caroline Stuckey | 46.11 | 10 | BB Min | A: 42.79 (+3.32s | 7.2%) | SwimMAC Carolina | 01/02/2026 | 2026 SwimMAC IMX Winter Invite Copied | |
| 2045 | Sylvi Short | 46.11 | 10 | BB Min | A: 42.79 (+3.32s | 7.2%) | Seattle Metropolitan Aquatic C | 11/16/2025 | 2025 PN PAC Q Meet | |
| 2046 | Bianca Bordonaro | 46.11 | 10 | BB Min | A: 42.79 (+3.32s | 7.2%) | Com Aquatics | 11/14/2025 | 2025 ST AAAA AH PW NC Invite | |
| 2047 | Emma Moffat | 46.11 | 10 | BB Min | A: 42.79 (+3.32s | 7.2%) | Iolani Swim Club | 12/06/2025 | 45th Annual Ken Suenaga Invitational (SCY) | |
| 2048 | Gwendolyn Nitz | 46.11 | 10 | BB Min | A: 42.79 (+3.32s | 7.2%) | Rainier Foothills Swim Team | 10/18/2025 | 2025 PN VAST Fall Classic | |
| 2049 | Nya Ferguson | 46.12 | 8 | BB Min | A: 42.79 (+3.33s | 7.2%) | Swim Coral Springs | 10/25/2025 | 2025 FG YSF October Invite | |
| 2050 | Caroline Rentzsch | 46.12 | 10 | BB Min | A: 42.79 (+3.33s | 7.2%) | Nation\\\\\\'s Capital Swim Club | 01/17/2026 | PVS January Open 2026 Fairland | |
Disclaimer: This Website is not affiliated with USA Swimming or any Local Swim Committee. The rankings and times displayed on this website are unofficial and should not be viewed as such. We update our information regularly, but we cannot guarantee that the data is accurate, timely, or complete. The only purpose of this website is entertainment. None of the information here should be used for university admission applications.