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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1751 | Eva Li | 45.38 | 10 | BB Min | A: 42.79 (+2.59s | 5.7%) | Santa Clara Swim Club | 03/20/2026 | SCY Spring Age Group Championships | |
| 1752 | Kaitlyn Horrell | 45.38 | 10 | BB Min | A: 42.79 (+2.59s | 5.7%) | Warren Harding Aquatics Team | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1753 | Sofia Minchev | 45.38 | 10 | BB Min | A: 42.79 (+2.59s | 5.7%) | Wave Aquatics | 11/01/2025 | 2025 PN Bob Miller Sprint Distance Classic | |
| 1754 | Malia Pavloff | 45.38 | 10 | BB Min | A: 42.79 (+2.59s | 5.7%) | Daly City Dolphins | 01/24/2026 | 2026 Zone 1 North Championships | |
| 1755 | Allison Hill | 45.39 | 10 | BB Min | A: 42.79 (+2.60s | 5.7%) | Shorewood | 02/13/2026 | 2026 OR HS 6A 3 | |
| 1756 | Henrietta Ostendorf | 45.39 | 10 | BB Min | A: 42.79 (+2.60s | 5.7%) | Minnetonka Swim Club | 01/09/2026 | 2026 MN FOXJ Winter Classic | |
| 1757 | Yuli Matsuoka-Motegi | 45.39 | 10 | BB Min | A: 42.79 (+2.60s | 5.7%) | Commonwealth Swimming | 01/10/2026 | 2026 NE CS Winter Classic | |
| 1758 | Aria Tarr | 45.39 | 10 | BB Min | A: 42.79 (+2.60s | 5.7%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 1759 | Sierra Dunn | 45.40 | 9 | BB Min | A: 42.79 (+2.61s | 5.7%) | Potomac Marlins | 03/20/2026 | March Madness 2026 | |
| 1760 | Ellie Zhao | 45.40 | 9 | BB Min | A: 42.79 (+2.61s | 5.7%) | California Dolphins Swim Team | 03/28/2026 | PC CDST SC C B BB+ Meet | |
| 1761 | Penelope Arambula | 45.40 | 10 | BB Min | A: 42.79 (+2.61s | 5.7%) | Capital of Texas Aquatics | 02/06/2026 | 2026 ST AQTX STX Champs North | |
| 1762 | Elizabeth Lynch | 45.40 | 9 | BB Min | A: 42.79 (+2.61s | 5.7%) | SwimMAC Carolina | 01/02/2026 | 2026 SwimMAC IMX Winter Invite Copied | |
| 1763 | Bailey Galloway | 45.40 | 10 | BB Min | A: 42.79 (+2.61s | 5.7%) | Fins Swim Team | 01/16/2026 | 2026 Gabrielle Rose Tiger Classic | |
| 1764 | Naomi Loberman | 45.40 | 10 | BB Min | A: 42.79 (+2.61s | 5.7%) | The Woodlands Swim Team | 02/21/2025 | MAC Hosted 2025 Gulf 12 Under Champs | |
| 1765 | Lacy Duval | 45.40 | 10 | BB Min | A: 42.79 (+2.61s | 5.7%) | Legacy Aquatics | 02/06/2026 | 2026 NE CRA Last Chance February Invite | |
| 1766 | Olivia Severin | 45.40 | 10 | BB Min | A: 42.79 (+2.61s | 5.7%) | Three Village Swim Club | 11/21/2025 | 2025 MR LIAC Thanksgiving Invite | |
| 1767 | Olivia Podoleanu | 45.41 | 10 | BB Min | A: 42.79 (+2.62s | 5.8%) | Twisters Swim Club | 02/28/2026 | 2026 MR QNS I Know I Can Invitational | |
| 1768 | Lilliana Cox | 45.41 | 10 | BB Min | A: 42.79 (+2.62s | 5.8%) | Swim Kauai Aquatics | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 1769 | Fiona Asgari | 45.42 | 10 | BB Min | A: 42.79 (+2.63s | 5.8%) | Nitro Swimming | 02/06/2026 | 2026 ST AQTX STX Champs North | |
| 1770 | Nia Slavov | 45.42 | 9 | BB Min | A: 42.79 (+2.63s | 5.8%) | Alamo Heights Aquatic Club ? A | 02/24/2026 | 2026 ST AAAA NS End Of Season Race Nights | |
| 1771 | Jenna Littlejohn | 45.42 | 10 | BB Min | A: 42.79 (+2.63s | 5.8%) | Eugene City Swim Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 1772 | Annabelle Zee | 45.42 | 9 | BB Min | A: 42.79 (+2.63s | 5.8%) | Burlingame Aquatics | 03/28/2026 | Alto Rock The Blocks Invitational 2026 | |
| 1773 | Claire Lopez | 45.43 | 10 | BB Min | A: 42.79 (+2.64s | 5.8%) | Nitro Swimming | 02/06/2026 | 2026 ST AQTX STX Champs North | |
| 1774 | Lilia Buonforte | 45.43 | 10 | BB Min | A: 42.79 (+2.64s | 5.8%) | Machine Aquatics | 03/20/2026 | March Madness 2026 | |
| 1775 | Sailor Li | 45.43 | 8 | BB Min | A: 42.79 (+2.64s | 5.8%) | San Ramon Valley Aquatics | 03/07/2026 | SRVA Last Chance Meet B BB+ | |
| 1776 | Mia De Angelis | 45.43 | 10 | BB Min | A: 42.79 (+2.64s | 5.8%) | T2 Aquatics | 02/07/2026 | 2026 GCST WINTER OPEN | |
| 1777 | Jane Rhinesmith | 45.44 | 9 | BB Min | A: 42.79 (+2.65s | 5.8%) | Charles River Aquatics | 03/13/2026 | 2026 NE CRA End Of Season March Invite | |
| 1778 | Quail Serra | 45.44 | 9 | BB Min | A: 42.79 (+2.65s | 5.8%) | Sebastopol Sea Serpents | 01/31/2026 | 2026 Peggy Ramirez Memorial Z3 Winter Champs | |
| 1779 | Ana Mogollon Velasquez | 45.44 | 9 | BB Min | A: 42.79 (+2.65s | 5.8%) | Swim Coral Springs | 02/20/2026 | 2026 FG SCY BB Championships (NORTH) | |
| 1780 | Piper Brown | 45.45 | 10 | BB Min | A: 42.79 (+2.66s | 5.9%) | Dart Swimming | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 1781 | Anna Viarzhbitski | 45.45 | 10 | BB Min | A: 42.79 (+2.66s | 5.9%) | California Dolphins Swim Team | 03/28/2026 | PC CDST SC C B BB+ Meet | |
| 1782 | Emelia Kessous | 45.45 | 10 | BB Min | A: 42.79 (+2.66s | 5.9%) | Rockville Montgomery Swim Club | 12/05/2025 | 2025 Christmas Championships | |
| 1783 | Ava Sysum | 45.45 | 10 | BB Min | A: 42.79 (+2.66s | 5.9%) | San Ramon Valley Aquatics | 02/20/2026 | Pacific Swim SCY C B BB+ Meet Hosted By TERA | |
| 1784 | Valeria Patino Hurtado | 45.45 | 10 | BB Min | A: 42.79 (+2.66s | 5.9%) | Katy Aquatic Team For Youth | 01/18/2025 | 2025 LSST January Frosty Meet | |
| 1785 | Mila Gonzalez Cardoso | 45.45 | 10 | BB Min | A: 42.79 (+2.66s | 5.9%) | Shark Tank Racing Squad | 03/21/2026 | 2026 MAKO SPRING FLING | |
| 1786 | Monserrat Vinals | 45.46 | 10 | BB Min | A: 42.79 (+2.67s | 5.9%) | Metro Aquatic Club of Miami | 02/20/2026 | 2026 FG SCY BB Championships SOUTH | |
| 1787 | Madison Gailliard | 45.46 | 9 | BB Min | A: 42.79 (+2.67s | 5.9%) | Razor Aquatics | 11/22/2025 | 2025 Royal Fall Cup | |
| 1788 | Varvara Sergiyenko | 45.46 | 9 | BB Min | A: 42.79 (+2.67s | 5.9%) | SwimRight Team | 12/06/2025 | 2025 Pompano Beach Santa Claus Meet | |
| 1789 | Erin Kohl | 45.46 | 10 | BB Min | A: 42.79 (+2.67s | 5.9%) | Stingrays Swim Team | 01/10/2026 | 2026 RAYS Jeff Rouse Invitational | |
| 1790 | Amelia Harrington | 45.46 | 10 | BB Min | A: 42.79 (+2.67s | 5.9%) | Unattached | 12/21/2025 | 2025 MR SSC Reindeer Games Invitational | |
| 1791 | Madison Gailliard | 45.47 | 10 | BB Min | A: 42.79 (+2.68s | 5.9%) | Razor Aquatics | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 1792 | Harlow Herman | 45.47 | 10 | BB Min | A: 42.79 (+2.68s | 5.9%) | Aquawolves Swimming | 03/06/2026 | 2026 CO 14 U Silver State | |
| 1793 | Myra Singh | 45.47 | 10 | BB Min | A: 42.79 (+2.68s | 5.9%) | Stingray Swim Team | 01/24/2026 | 2026 PN IST January Invitational Approved | |
| 1794 | Sarah Purcell | 45.47 | 9 | BB Min | A: 42.79 (+2.68s | 5.9%) | Norfolk Silver Dolphins | 03/28/2026 | ECAT March 2026 Invitational Copied | |
| 1795 | McKenzie Phillips | 45.48 | 9 | BB Min | A: 42.79 (+2.69s | 5.9%) | Denver Swim Academy | 03/06/2026 | 2026 CO 14 U Silver State | |
| 1796 | Wenyan Rao | 45.48 | 10 | BB Min | A: 42.79 (+2.69s | 5.9%) | Stamford Sailfish Aquatic Club | 12/11/2025 | 2025 NE CRA Winter Invitational | |
| 1797 | Daniela Rodriguez | 45.49 | 9 | BB Min | A: 42.79 (+2.70s | 5.9%) | Aquax Centro Deportivo | 11/14/2025 | 2025 BD Turkey Splash | |
| 1798 | Wesley Munro | 45.49 | 10 | BB Min | A: 42.79 (+2.70s | 5.9%) | Revolution Swim Club | 11/15/2025 | 2025 NE SAC Turkey Splash | |
| 1799 | Vivian Kalogrides | 45.50 | 9 | BB Min | A: 42.79 (+2.71s | 6.0%) | Santa Clara Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 1800 | Mawdsley-Mae Vincent | 45.50 | 10 | BB Min | A: 42.79 (+2.71s | 6.0%) | Warrior Aquatic Club | 02/07/2026 | BIG ISLAND SWIMMING @ KCAC | |
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.