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 | |
|---|---|---|---|---|---|---|---|---|---|
| 4501 | Mia Morgan | 51.79 | 10 | B Min | BB: 48.69 (+3.10s | 6.0%) | North Baltimore Aquatic Club | 11/14/2025 | 2025 NBAC Thanksgiving Meet | |
| 4502 | Hazel Andrews | 51.79 | 9 | B Min | BB: 48.69 (+3.10s | 6.0%) | Ensworth Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 4503 | Maclane Holeman | 51.79 | 9 | B Min | BB: 48.69 (+3.10s | 6.0%) | Irvine Novaquatics | 02/14/2025 | 2025 CCS SCY AGC | |
| 4504 | Emily Smart | 51.80 | 9 | B Min | BB: 48.69 (+3.11s | 6.0%) | Boothbay Region YMCA Dolphins | 02/27/2026 | 2026 NE Maine State Y Championships | |
| 4505 | Anna Wang | 51.80 | 9 | B Min | BB: 48.69 (+3.11s | 6.0%) | Excel Aquatics | 11/01/2025 | 2025 Pumpkin Spice Splash | |
| 4506 | Elsa Wang | 51.80 | 9 | B Min | BB: 48.69 (+3.11s | 6.0%) | Bellevue Club Swim Team | 01/31/2026 | 2026 PN BISC Bluefin Invitational | |
| 4507 | Mia Andrasko | 51.80 | 9 | B Min | BB: 48.69 (+3.11s | 6.0%) | Pearl City Aquatics | 04/18/2026 | 44th Annual Harry Mamizuka Invitational | |
| 4508 | Juliana Hidalgo Robina | 51.80 | 10 | B Min | BB: 48.69 (+3.11s | 6.0%) | Hurricane Aquatics | 12/05/2025 | 2025 FG Holiday Champ | |
| 4509 | Charlotte Humphrey | 51.80 | 9 | B Min | BB: 48.69 (+3.11s | 6.0%) | Egra Waves | 03/07/2026 | 2026 Lake Michigan Regional Meet | |
| 4510 | Hidaya Said | 51.80 | 10 | B Min | BB: 48.69 (+3.11s | 6.0%) | Unattached | 04/11/2025 | 2025 Boys Girls Clubs National Swim Champs | |
| 4511 | Joanna Sargent | 51.80 | 10 | B Min | BB: 48.69 (+3.11s | 6.0%) | Alameda Gators | 12/05/2025 | Pacific Swim SC C B BB+ Hosted By TERA | |
| 4512 | Sophie Filice | 51.80 | 10 | B Min | BB: 48.69 (+3.11s | 6.0%) | Pacific Coast Marlins | 11/22/2025 | Thankswimming Classic 2025 | |
| 4513 | Mackenzie Leonhardt | 51.80 | 10 | B Min | BB: 48.69 (+3.11s | 6.0%) | Marlins Of Raleigh | 03/14/2026 | 2026 MOR Reagan Martin Rocks Swim Meet | |
| 4514 | Greta Garvey | 51.80 | 10 | B Min | BB: 48.69 (+3.11s | 6.0%) | Barracuda Aquatics Club | 01/25/2026 | 2026 MN BAC Sunday At The Races Copied | |
| 4515 | Olivia Tang | 51.80 | 10 | B Min | BB: 48.69 (+3.11s | 6.0%) | Mason Manta Rays | 02/19/2026 | 2026 OH RAYS SC Regional Championships | |
| 4516 | Chelsea Gary | 51.81 | 10 | B Min | BB: 48.69 (+3.12s | 6.0%) | DC Dept Of Parks and Recreatio | 10/25/2025 | Trick Or Treat Mini Meet | |
| 4517 | Polina Timchenko | 51.81 | 10 | B Min | BB: 48.69 (+3.12s | 6.0%) | Streamline Aquatics | 09/12/2025 | 2025 ST SASA Sombrero Series Uno | |
| 4518 | Sylvia Withers | 51.81 | 10 | B Min | BB: 48.69 (+3.12s | 6.0%) | Highbridge Aquatics | 12/05/2025 | 2025 Holiday Classic | |
| 4519 | Olivia Chan | 51.82 | 9 | B Min | BB: 48.69 (+3.13s | 6.0%) | Central Queens Ym-Ywha | 11/16/2025 | 2025 MR LIAC Fall Festival Invitational | |
| 4520 | Marlee Atkin | 51.82 | 8 | B Min | BB: 48.69 (+3.13s | 6.0%) | Mako Swim Team | 02/20/2026 | 2026 OH WAVE SC Regional Championships | |
| 4521 | Victoria Herrera | 51.82 | 9 | B Min | BB: 48.69 (+3.13s | 6.0%) | Swim Houston Aquatics Center | 02/21/2025 | 2025 Gulf 12 Under Champs (NOCH) | |
| 4522 | Chloe Chiang | 51.82 | 9 | B Min | BB: 48.69 (+3.13s | 6.0%) | Tollefson Swimming | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 4523 | Estelle Mason | 51.83 | 10 | B Min | BB: 48.69 (+3.14s | 6.1%) | FireFish Swim Team | 03/22/2026 | 2026 NE SSC March Madness | |
| 4524 | London Steinhilber | 51.83 | 8 | B Min | BB: 48.69 (+3.14s | 6.1%) | Life Time Southeast | 09/20/2025 | 2025 SE BSL Sprint Into Fall Invitational | |
| 4525 | Soleil Guillemette | 51.83 | 10 | B Min | BB: 48.69 (+3.14s | 6.1%) | Univ. of Denver Hilltoppers | 12/12/2025 | 2025 CO FAST Bill Spahn Mid Season Finale | |
| 4526 | Sarah Lee | 51.83 | 10 | B Min | BB: 48.69 (+3.14s | 6.1%) | Alto Swim Club | 11/15/2025 | Alto Nov 15 16 Fall Frolic | |
| 4527 | Cora Agan | 51.83 | 9 | B Min | BB: 48.69 (+3.14s | 6.1%) | Chinook Aquatic Club | 12/06/2025 | 2025 PN Fall Divisionals, Division 2 | |
| 4528 | Selene Xia | 51.83 | 7 | B Min | BB: 48.69 (+3.14s | 6.1%) | Saline Swim Team | 03/07/2026 | 2026 Lake Ontario Regional Meet | |
| 4529 | Vivienne Osterndorf | 51.84 | 8 | B Min | BB: 48.69 (+3.15s | 6.1%) | Nation\\\\\\'s Capital Swim Club | 10/18/2025 | 2025 NCAP Autumn Kingfish Splash | |
| 4530 | Rowan Baker | 51.84 | 8 | B Min | BB: 48.69 (+3.15s | 6.1%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 12/06/2025 | SLA Holiday Blast | |
| 4531 | Reigna Bohaty | 51.84 | 9 | B Min | BB: 48.69 (+3.15s | 6.1%) | Nation\\\\\\'s Capital Swim Club | 12/04/2025 | 2025 RAYS Nutcracker Classic Copied | |
| 4532 | Lily Judd | 51.84 | 10 | B Min | BB: 48.69 (+3.15s | 6.1%) | Rec-Plex Sharks | 03/07/2026 | 2026 GTWY 8 Under Champs | |
| 4533 | Genevieve Greer | 51.84 | 9 | B Min | BB: 48.69 (+3.15s | 6.1%) | Quest Swimming | 09/27/2025 | 2025 Hanover Happy | |
| 4534 | Aya Refaei | 51.85 | 10 | B Min | BB: 48.69 (+3.16s | 6.1%) | The Capitol Sea Devils | 03/20/2026 | March Madness 2026 | |
| 4535 | Grace Cleary | 51.85 | 8 | B Min | BB: 48.69 (+3.16s | 6.1%) | Empire Swimming | 03/07/2026 | 2026 MR Metro 8 Under Championships | |
| 4536 | Dara Angelova | 51.85 | 10 | B Min | BB: 48.69 (+3.16s | 6.1%) | DeAnza Cupertino Aquatics | 10/11/2025 | 2025 DACA SC CBA Meet | |
| 4537 | Julia Oliveira | 51.85 | 9 | B Min | BB: 48.69 (+3.16s | 6.1%) | All Star Aquatics | 10/11/2025 | 2025 ASA October Kick Off | |
| 4538 | Pippa Collier | 51.85 | 9 | B Min | BB: 48.69 (+3.16s | 6.1%) | Occoquan Swimming | 11/21/2025 | 2025 Fall Festivus | |
| 4539 | Olive Froehlich | 51.85 | 10 | B Min | BB: 48.69 (+3.16s | 6.1%) | Velocity Aquatics | 05/02/2026 | 2026 MN TUNA Spring Splash | |
| 4540 | Clhloe Zhang | 51.85 | 9 | B Min | BB: 48.69 (+3.16s | 6.1%) | Twisters Swim Club | 11/14/2025 | 2025 MR FLY Big Apple Classic Invitational | |
| 4541 | Novalie Johnson | 51.85 | 10 | B Min | BB: 48.69 (+3.16s | 6.1%) | Hastings Area Swim Team | 02/27/2026 | 2026 MN RSC Minnesota Regional Championship | |
| 4542 | Abigail Messenger | 51.86 | 9 | B Min | BB: 48.69 (+3.17s | 6.1%) | Voltage Aquatics | 02/14/2025 | 2025 SRS Winter Champsionships | |
| 4543 | Emma O'Malley | 51.86 | 9 | B Min | BB: 48.69 (+3.17s | 6.1%) | Bgc-N. Westchester Marlins | 03/27/2026 | 2026 MR Metro Bronze Championship North | |
| 4544 | April Ayers | 51.86 | 10 | B Min | BB: 48.69 (+3.17s | 6.1%) | Bolles School Sharks | 09/14/2025 | 2025 September Splash | |
| 4545 | Kylie Smith | 51.86 | 10 | B Min | BB: 48.69 (+3.17s | 6.1%) | Danvers YMCA Dolfins | 12/11/2025 | 2025 NE SHAWMUT Candy Cane Classic | |
| 4546 | Kate Vivian | 51.86 | 9 | B Min | BB: 48.69 (+3.17s | 6.1%) | SwimTLC-Parker Phenomena Swim | 06/27/2026 | 2026 CO Falfins Summer Series #3 | |
| 4547 | Eleanore Hunt | 51.86 | 8 | B Min | BB: 48.69 (+3.17s | 6.1%) | Grosse Pointe Gators | 03/07/2026 | 2026 Lake Erie Regional Meet | |
| 4548 | Madison Losito | 51.86 | 9 | B Min | BB: 48.69 (+3.17s | 6.1%) | Hauppauge Swimming | 01/16/2026 | 2026 MR LIE Winterfest Invitational | |
| 4549 | Hazel Rohde | 51.87 | 10 | B Min | BB: 48.69 (+3.18s | 6.1%) | St Croix Swim Club | 02/27/2026 | 2026 MN MAN Minnesota Regional Championship | |
| 4550 | Camiela Gonzalez | 51.87 | 10 | B Min | BB: 48.69 (+3.18s | 6.1%) | YMCA of Snohomish County Barra | 05/15/2026 | 2026 PN TAC Spring Thunderbird Approved | |
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.