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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1601 | Nidhi Kumar | 44.99 | 10 | BB Min | A: 42.79 (+2.20s | 4.9%) | San Gabriel Aquatics | 02/06/2026 | 2026 ST AQTX STX Champs North | |
| 1602 | Isabella Britz | 44.99 | 10 | BB Min | A: 42.79 (+2.20s | 4.9%) | Tide Swimming | 02/13/2026 | 2026 Southeast District 9 12 Championship | |
| 1603 | Keilty Eybs | 45.00 | 10 | BB Min | A: 42.79 (+2.21s | 4.9%) | Denver Swim Academy | 02/21/2026 | 2026 CO DSA Last Chance | |
| 1604 | Ella Dewar | 45.00 | 10 | BB Min | A: 42.79 (+2.21s | 4.9%) | Crimson Aquatics | 02/06/2026 | 2026 NE CRIM Last Chance Meet | |
| 1605 | Madeline Niemaseck | 45.00 | 8 | BB Min | A: 42.79 (+2.21s | 4.9%) | SwimRVA | 03/20/2026 | 2026 SwimRVA Clover Cup | |
| 1606 | Alexa Wang | 45.00 | 10 | BB Min | A: 42.79 (+2.21s | 4.9%) | Plymouth Canton Cruisers | 02/27/2026 | 2026 Junior Cup | |
| 1607 | Bella Li | 45.00 | 9 | BB Min | A: 42.79 (+2.21s | 4.9%) | Santa Clara Swim Club | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 1608 | Filimena Bozinoski | 45.01 | 10 | BB Min | A: 42.79 (+2.22s | 4.9%) | Egra Waves | 12/05/2025 | EGRA 2025 Winter Washout | |
| 1609 | Gabriella Magpantay | 45.01 | 9 | BB Min | A: 42.79 (+2.22s | 4.9%) | Dart Swimming | 11/08/2025 | Folsom Classic 2025 | |
| 1610 | Piper O'Brien | 45.01 | 10 | BB Min | A: 42.79 (+2.22s | 4.9%) | Centreville Swim Club | 02/20/2026 | 2026 FXFX Forty Niner | |
| 1611 | Bailey Corrigan | 45.01 | 10 | BB Min | A: 42.79 (+2.22s | 4.9%) | Helios | 03/07/2026 | 2026 SwimMAC BC Championship | |
| 1612 | Adeline Nielsen | 45.02 | 10 | BB Min | A: 42.79 (+2.23s | 5.0%) | Brighton Aquatics Bull Sharks | 01/16/2026 | SLA Arctic Blast 2026 | |
| 1613 | Nora Zhuang | 45.02 | 10 | BB Min | A: 42.79 (+2.23s | 5.0%) | Rancho Family YMCA | 01/17/2026 | 2026 SBA All Ages A BB Meet | |
| 1614 | Myla Winner | 45.02 | 9 | BB Min | A: 42.79 (+2.23s | 5.0%) | Seahawks Swim club | 02/27/2026 | Ozark Division I Championship | |
| 1615 | Ariya Ajay | 45.03 | 9 | BB Min | A: 42.79 (+2.24s | 5.0%) | California Dolphins Swim Team | 03/07/2026 | SRVA Last Chance Meet B BB+ | |
| 1616 | Makai Tanoai | 45.03 | 9 | BB Min | A: 42.79 (+2.24s | 5.0%) | Unattached | 11/08/2025 | BIG ISLAND SWIMMING @ KCAC | |
| 1617 | Margaret Mariscalco | 45.04 | 9 | BB Min | A: 42.79 (+2.25s | 5.0%) | SwimRVA | 01/24/2026 | 2026 WAC Mike Willard Polar Plunge | |
| 1618 | Emily Hu | 45.04 | 10 | BB Min | A: 42.79 (+2.25s | 5.0%) | Santa Clara Swim Club | 02/28/2026 | Swim South Bay | |
| 1619 | Ella Gengler | 45.04 | 9 | BB Min | A: 42.79 (+2.25s | 5.0%) | Riptide Swim Team | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 1620 | Parissa Mair | 45.04 | 9 | BB Min | A: 42.79 (+2.25s | 5.0%) | Jersey Wahoos | 11/07/2025 | 2025 Mid Atlantic AG Championship Showdown | |
| 1621 | Ella Moore | 45.04 | 10 | BB Min | A: 42.79 (+2.25s | 5.0%) | Machine Aquatics | 03/20/2026 | March Madness 2026 | |
| 1622 | Harper Degner | 45.04 | 8 | BB Min | A: 42.79 (+2.25s | 5.0%) | Denver Swim Academy | 02/21/2026 | 2026 CO DSA Last Chance | |
| 1623 | Beatriz Motta | 45.05 | 10 | BB Min | A: 42.79 (+2.26s | 5.0%) | YMCA of Central Florida | 01/17/2026 | 2026 GOAT TYR Team Challenge And SYOA | |
| 1624 | Arlo Jerkins | 45.05 | 9 | BB Min | A: 42.79 (+2.26s | 5.0%) | Tac Titans | 01/16/2026 | 2026 Vector Security Polar Plunge Meet | |
| 1625 | Adelie McLeod | 45.06 | 10 | BB Min | A: 42.79 (+2.27s | 5.0%) | Issaquah Swim Team | 02/07/2026 | 2026 PN IST Feb Winter Invitational Approved | |
| 1626 | Colbie Chang | 45.06 | 10 | BB Min | A: 42.79 (+2.27s | 5.0%) | Rockville Montgomery Swim Club | 10/17/2025 | 2025 RMSC October Kick Off Classic | |
| 1627 | Abigail Hinz | 45.06 | 10 | BB Min | A: 42.79 (+2.27s | 5.0%) | Rockville Montgomery Swim Club | 10/17/2025 | 2025 RMSC October Kick Off Classic | |
| 1628 | Michelle Mitnick | 45.06 | 10 | BB Min | A: 42.79 (+2.27s | 5.0%) | Horizon Swimming | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 1629 | Anna Van De Wege | 45.06 | 10 | BB Min | A: 42.79 (+2.27s | 5.0%) | Benton Harbor-St. Joseph YMCA | 03/07/2026 | 2026 Michigan YMCA State Championship | |
| 1630 | Makena Kam | 45.06 | 10 | BB Min | A: 42.79 (+2.27s | 5.0%) | Beach Cities Alpha | 02/13/2026 | 2026 MVN Lunar AAPI Festival | |
| 1631 | Mali Pavlis | 45.06 | 10 | BB Min | A: 42.79 (+2.27s | 5.0%) | Tennessee Aquatics | 02/13/2026 | 2026 SE BAY Region 2 Championships Copied | |
| 1632 | Olivia Lin | 45.07 | 10 | BB Min | A: 42.79 (+2.28s | 5.1%) | Trident Aquatic Club | 02/20/2026 | 2026 MR Metro Silver Central Champs WEST | |
| 1633 | Claire Doherty | 45.07 | 10 | BB Min | A: 42.79 (+2.28s | 5.1%) | Mason Makos Swim Team | 03/21/2026 | 2026 MAKO SPRING FLING | |
| 1634 | Addie Bischoff | 45.07 | 10 | BB Min | A: 42.79 (+2.28s | 5.1%) | Fins Swim Team | 01/16/2026 | 2026 Gabrielle Rose Tiger Classic | |
| 1635 | Reese Calderon | 45.07 | 10 | BB Min | A: 42.79 (+2.28s | 5.1%) | Olympic Cascade Aquatics | 01/24/2026 | 2026 PN PDST Winter Invitational Meet Approv | |
| 1636 | Goldie Hyman | 45.07 | 9 | BB Min | A: 42.79 (+2.28s | 5.1%) | YMCA of the Triangle Area Swim | 03/19/2026 | 2026 USRY Short Course Champs | |
| 1637 | Jasmine Danger | 45.08 | 10 | BB Min | A: 42.79 (+2.29s | 5.1%) | Greenwood Swimming | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 1638 | Jacqueline Chung | 45.09 | 9 | BB Min | A: 42.79 (+2.30s | 5.1%) | Nation\\\\\\'s Capital Swim Club | 02/13/2026 | 2026 ASA President S Day Classic | |
| 1639 | Amber Allott | 45.09 | 10 | BB Min | A: 42.79 (+2.30s | 5.1%) | Mecklenburg Swim Association | 03/07/2026 | 2026 MSA March Madness Invitational | |
| 1640 | Nora Gaughan | 45.10 | 9 | BB Min | A: 42.79 (+2.31s | 5.1%) | Nation\\\\\\'s Capital Swim Club | 01/10/2026 | 2026 MAKO POLAR PLUNGE | |
| 1641 | Maya Koren | 45.10 | 10 | BB Min | A: 42.79 (+2.31s | 5.1%) | Manoa Aquatics | 03/07/2026 | 2026 HI Junior Age Group SCY Championship | |
| 1642 | Triniti Coats | 45.10 | 10 | BB Min | A: 42.79 (+2.31s | 5.1%) | Tiger Shark of Texas | 11/07/2025 | 2025 ST SCY Surge Shark Sizzler | |
| 1643 | Giovannina Bonsignore | 45.10 | 10 | BB Min | A: 42.79 (+2.31s | 5.1%) | Three Village Swim Club | 03/27/2026 | 2026 MR Bronze Championship South LIE | |
| 1644 | Kavya Misra | 45.11 | 10 | BB Min | A: 42.79 (+2.32s | 5.1%) | The Capitol Sea Devils | 11/21/2025 | 2025 Swim Rock | |
| 1645 | Austin Lee | 45.11 | 9 | BB Min | A: 42.79 (+2.32s | 5.1%) | Texas Elite Swimming | 02/06/2026 | 2026 ST AQTX STX Champs North | |
| 1646 | Ella Herrington | 45.11 | 10 | BB Min | A: 42.79 (+2.32s | 5.1%) | H2okie Aquatics | 02/27/2026 | 2026 SW District Champs 9 Over | |
| 1647 | Amber Leu | 45.11 | 10 | BB Min | A: 42.79 (+2.32s | 5.1%) | Sacramento Aquatics Club | 11/08/2025 | Folsom Classic 2025 | |
| 1648 | Natalie Chong | 45.12 | 10 | BB Min | A: 42.79 (+2.33s | 5.2%) | Swim Streamline at Northampton | 01/03/2025 | 2025 SSAN Winter Invite | |
| 1649 | Emmalyn Childers | 45.12 | 10 | BB Min | A: 42.79 (+2.33s | 5.2%) | West Virginia Wild | 01/17/2026 | Club Mountaineer January Age Group Winter Spl | |
| 1650 | Grey Banhos | 45.12 | 8 | BB Min | A: 42.79 (+2.33s | 5.2%) | Scioto Country Club | 03/12/2026 | 2026 OH SC Junior Championships | |
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.