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 | Anastasiia Bieliak | 45.07 | 11 | BB Min | A: 42.79 (+2.28s | 5.1%) | Mecklenburg Swim Association | 02/07/2026 | MSA IM Tough Meet 2026 | |
| 1602 | Addie Bischoff | 45.07 | 9 | BB Min | A: 42.79 (+2.28s | 5.1%) | Fins Swim Team | 01/16/2026 | 2026 Gabrielle Rose Tiger Classic | |
| 1603 | Sybil Reynolds | 45.07 | 10 | BB Min | A: 42.79 (+2.28s | 5.1%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 1604 | 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 | |
| 1605 | Lillian Qian | 45.07 | 10 | BB Min | A: 42.79 (+2.28s | 5.1%) | Long Island Aquatic Club | 12/05/2025 | 2025 MR NYS Holiday Classic Trials Finals | |
| 1606 | Hadley Hausel | 45.08 | 10 | BB Min | A: 42.79 (+2.29s | 5.1%) | Denver Swim Academy | 01/23/2026 | 2026 CO TOPS Colorado Open | |
| 1607 | 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 | |
| 1608 | Yezi Li | 45.09 | 10 | BB Min | A: 42.79 (+2.30s | 5.1%) | Pacific Dragons Swim Team | 02/07/2026 | 2026 PN IST Feb Winter Invitational Approved | |
| 1609 | Maliha Radosevich | 45.10 | 10 | BB Min | A: 42.79 (+2.31s | 5.1%) | North Shore Swim Club | 11/15/2025 | 0025 NE NSSC November 15 SJP Copied | |
| 1610 | Catherine Wang | 45.10 | 9 | BB Min | A: 42.79 (+2.31s | 5.1%) | Nation\\\\\\'s Capital Swim Club | 01/10/2026 | 2026 MAKO POLAR PLUNGE | |
| 1611 | Nora Gaughan | 45.10 | 8 | BB Min | A: 42.79 (+2.31s | 5.1%) | Nation\\\\\\'s Capital Swim Club | 01/10/2026 | 2026 MAKO POLAR PLUNGE | |
| 1612 | 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 | |
| 1613 | Ellie Mong | 45.11 | 10 | BB Min | A: 42.79 (+2.32s | 5.1%) | Webbs Tornadoes Swim Team | 01/30/2026 | 2026 NE CS Silver Championships | |
| 1614 | 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 | |
| 1615 | Kavya Misra | 45.11 | 10 | BB Min | A: 42.79 (+2.32s | 5.1%) | The Capitol Sea Devils | 11/21/2025 | 2025 Swim Rock | |
| 1616 | Amber Leu | 45.11 | 9 | BB Min | A: 42.79 (+2.32s | 5.1%) | Sacramento Aquatics Club | 11/08/2025 | Folsom Classic 2025 | |
| 1617 | Ashley Im | 45.11 | 10 | BB Min | A: 42.79 (+2.32s | 5.1%) | Riptide Swim Team | 11/22/2025 | 2025 MN Hast Nov IMX | |
| 1618 | Estella Rogers | 45.11 | 10 | BB Min | A: 42.79 (+2.32s | 5.1%) | Bayside Aquatics | 11/01/2025 | 2025 Fox Fall Invitational 2 | |
| 1619 | Natalie Chong | 45.12 | 9 | BB Min | A: 42.79 (+2.33s | 5.2%) | Swim Streamline at Northampton | 01/03/2025 | 2025 SSAN Winter Invite | |
| 1620 | Emmalyn Childers | 45.12 | 9 | BB Min | A: 42.79 (+2.33s | 5.2%) | West Virginia Wild | 01/17/2026 | Club Mountaineer January Age Group Winter Spl | |
| 1621 | Therese Lasnoski | 45.12 | 10 | BB Min | A: 42.79 (+2.33s | 5.2%) | Lake Country Swim Team | 01/09/2026 | 2026 MN FOXJ Winter Classic | |
| 1622 | Sofia Martinez | 45.12 | 10 | BB Min | A: 42.79 (+2.33s | 5.2%) | Gold\\\\\\'s Aquatics Club (Camas) | 10/17/2025 | 2025 THSC Fall Open | |
| 1623 | Mila Metzger | 45.13 | 9 | BB Min | A: 42.79 (+2.34s | 5.2%) | The Woodlands Swim Team | 12/06/2024 | 2024 Gulf Age Group Championships | |
| 1624 | Anna de Fabrique | 45.13 | 10 | BB Min | A: 42.79 (+2.34s | 5.2%) | Montverde Aquatic Club | 01/17/2026 | 2026 GOAT TYR Team Challenge And SYOA | |
| 1625 | Everly Yamashita | 45.13 | 10 | BB Min | A: 42.79 (+2.34s | 5.2%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 1626 | Hayden Watkins | 45.13 | 10 | BB Min | A: 42.79 (+2.34s | 5.2%) | Coast Gaurd Blue Dolphins | 11/07/2025 | 2025 CGBD Carl Warner Classic | |
| 1627 | Hayden Watkins | 45.13 | 10 | BB Min | A: 42.79 (+2.34s | 5.2%) | Coast Gaurd Blue Dolphins | 11/07/2025 | 2025 CGBD Carl Warner Classic | |
| 1628 | Trinity Holt | 45.13 | 10 | BB Min | A: 42.79 (+2.34s | 5.2%) | Quest Swimming | 01/24/2026 | 2026 WAC Mike Willard Polar Plunge | |
| 1629 | Lilian VanSickle | 45.13 | 10 | BB Min | A: 42.79 (+2.34s | 5.2%) | Oly Swimming | 12/12/2025 | OLY Swimming Holiday Bowl | |
| 1630 | Cecilia Ostlund | 45.14 | 10 | BB Min | A: 42.79 (+2.35s | 5.2%) | Sarpy County Swim Club | 01/31/2026 | 2026 MW SCSC President S Day Meet | |
| 1631 | Vasilisa Rusetskaya | 45.14 | 9 | BB Min | A: 42.79 (+2.35s | 5.2%) | Freedom Aquatics | 02/07/2026 | 2026 MR FREE Championships Meets Qualifier | |
| 1632 | Claire Howell | 45.14 | 10 | BB Min | A: 42.79 (+2.35s | 5.2%) | Madison Swimming Association | 01/30/2026 | MSA Ray Fogg Memorial Meet 2026 | |
| 1633 | Karter Welter | 45.15 | 10 | BB Min | A: 42.79 (+2.36s | 5.2%) | Nitro Swimming | 01/04/2026 | 2026 ST NTRO Chilly Icicles | |
| 1634 | Aubrey Manansala | 45.15 | 10 | BB Min | A: 42.79 (+2.36s | 5.2%) | Pacific Swim | 12/04/2025 | 2025 Holiday Swim Festival | |
| 1635 | Sarah Stille | 45.15 | 10 | BB Min | A: 42.79 (+2.36s | 5.2%) | Piranhas YMCA of the Suncoast | 11/21/2025 | SPA PYP NOVEMBER 2025 | |
| 1636 | Tess Jackman | 45.15 | 9 | BB Min | A: 42.79 (+2.36s | 5.2%) | King Aquatic Club | 10/18/2025 | 2025 PN VAST Fall Classic | |
| 1637 | Nora Dias | 45.15 | 9 | BB Min | A: 42.79 (+2.36s | 5.2%) | Rima United | 11/14/2025 | 2025 NE KING CAC Fall Invite Copied | |
| 1638 | Adalyn Zucco | 45.15 | 10 | BB Min | A: 42.79 (+2.36s | 5.2%) | Eagle Swim Team Inc. | 11/14/2025 | 2025 NBAC Thanksgiving Meet | |
| 1639 | Alessandra Diaz | 45.16 | 9 | BB Min | A: 42.79 (+2.37s | 5.2%) | Long Island Aquatic Club | 01/16/2026 | 2026 MR NFS 43rd Annual Dr MLK Jr Invite | |
| 1640 | Harper Tillman | 45.16 | 9 | BB Min | A: 42.79 (+2.37s | 5.2%) | Long Island Aquatic Club | 01/16/2026 | 2026 MR NFS 43rd Annual Dr MLK Jr Invite | |
| 1641 | Lillian Talley | 45.16 | 10 | BB Min | A: 42.79 (+2.37s | 5.2%) | Quest Swimming | 09/19/2025 | Quest Swimming Kickoff Intrasquad | |
| 1642 | Katalina Roa | 45.16 | 10 | BB Min | A: 42.79 (+2.37s | 5.2%) | Long Island Aquatic Club | 11/21/2025 | 2025 MR LIAC Thanksgiving Invite | |
| 1643 | Serena Zhang | 45.17 | 10 | BB Min | A: 42.79 (+2.38s | 5.3%) | Nitro Swimming | 11/16/2025 | 2025 ST NTRO Turkey Trot | |
| 1644 | Reece Caldwell | 45.17 | 9 | BB Min | A: 42.79 (+2.38s | 5.3%) | Foothills Swim Team | 03/07/2025 | 2025 CO CSI Silver State Championships | |
| 1645 | Veliane Amoah | 45.17 | 10 | BB Min | A: 42.79 (+2.38s | 5.3%) | YMCA of Greater Nashua Storm | 01/30/2026 | 2026 NE UVAC Silvers | |
| 1646 | Kensington Earl | 45.17 | 9 | BB Min | A: 42.79 (+2.38s | 5.3%) | Nova of Virginia | 12/12/2025 | 2025 HVAC Winterfest Invitational | |
| 1647 | Devin Mahoney | 45.18 | 9 | BB Min | A: 42.79 (+2.39s | 5.3%) | Farmington Family YMCA Stingra | 02/06/2026 | 2026 Michigan Open | |
| 1648 | Evelyn Sullivan | 45.18 | 10 | BB Min | A: 42.79 (+2.39s | 5.3%) | Stamford Sailfish Aquatic Club | 12/11/2025 | 2025 NE CRA Winter Invitational | |
| 1649 | Kerrigan McGuire | 45.18 | 9 | BB Min | A: 42.79 (+2.39s | 5.3%) | Machine Aquatics | 10/18/2025 | 2025 NCAP Autumn Kingfish Splash | |
| 1650 | Harper Ramos | 45.19 | 9 | BB Min | A: 42.79 (+2.40s | 5.3%) | Unattached | 09/13/2025 | East Bay Silver Dolphins Short Course C B BB+ | |
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.