USA Girls 10 & under - 50 M 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 | Isabelle Leung | 54.83 | 9 | BB Min | A: 48.79 (+6.04s | 11.0%) | South San Francisco Aquatics | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | |
| 1752 | Emily Larcom | 54.83 | 9 | BB Min | A: 48.79 (+6.04s | 11.0%) | Monocacy Aquatic Club | 07/24/2026 | 2026 Maryland Long Course Junior Championship | |
| 1753 | Emmersyn Duffus | 54.83 | 10 | BB Min | A: 48.79 (+6.04s | 11.0%) | Sparks Piranhas Swim Team | 06/19/2026 | Reno Aquatic Club Gamble | |
| 1754 | Aadhya Sirimamilla | 54.84 | 10 | BB Min | A: 48.79 (+6.05s | 11.0%) | Wave Aquatics | 07/09/2026 | 2026 PN Chinook Seattle Age Group Open Appro | |
| 1755 | Mia Willard | 54.84 | 9 | BB Min | A: 48.79 (+6.05s | 11.0%) | Sioux Falls Swim Team | 07/24/2026 | 2026 SD Long Course State Championship | |
| 1756 | Madelyn Anderson | 54.84 | 10 | BB Min | A: 48.79 (+6.05s | 11.0%) | Dolphin Club | 04/18/2026 | 2026 SwimRVA Carnation Clash | |
| 1757 | Olivia Theofelis | 54.84 | 10 | BB Min | A: 48.79 (+6.05s | 11.0%) | Seattle Metropolitan Aquatic C | 06/26/2026 | 2026 PN SMAC Summer Classic Invite Approved | |
| 1758 | Renae Caggiano | 54.84 | 10 | BB Min | A: 48.79 (+6.05s | 11.0%) | Jcc Sea Serpents | 05/15/2026 | 2026 NE YNS May Specialty Meet | |
| 1759 | Sophia Grace | 54.84 | 10 | BB Min | A: 48.79 (+6.05s | 11.0%) | Unattached | 06/19/2026 | 2026 SWAT Summer Solstice | |
| 1760 | Maize Thevenin | 54.85 | 8 | BB Min | A: 48.79 (+6.06s | 11.0%) | Peters Township Swim Club | 07/09/2026 | 46th Annual Seahawk Invitational | |
| 1761 | Lyra Mertens-Hall | 54.85 | 10 | BB Min | A: 48.79 (+6.06s | 11.0%) | Multnomah Athletic Club | 05/01/2026 | 2026 THSC Spring Invite | |
| 1762 | Anna Wang | 54.85 | 9 | BB Min | A: 48.79 (+6.06s | 11.0%) | Excel Aquatics | 06/04/2026 | 2026 Beaman Toyota Firecracker Invite | |
| 1763 | Kareena Natarajan | 54.87 | 10 | BB Min | A: 48.79 (+6.08s | 11.1%) | Commonwealth Swimming | 05/01/2026 | 2026 NE CS Spring Fling | |
| 1764 | Ariana Williams | 54.88 | 8 | BB Min | A: 48.79 (+6.09s | 11.1%) | Lone Star Aquatic Club | 06/19/2026 | 2026 ST ASC Firecracker | |
| 1765 | Annais Kim | 54.88 | 9 | BB Min | A: 48.79 (+6.09s | 11.1%) | Burlingame Aquatics | 05/02/2026 | Alto Spring Jam CBA | |
| 1766 | Cecilia Wilson | 54.89 | 8 | BB Min | A: 48.79 (+6.10s | 11.1%) | Shawmut Aquatic Club | 06/12/2026 | 2026 NE CS Summer Solstice | |
| 1767 | Sophie Harr | 54.89 | 9 | BB Min | A: 48.79 (+6.10s | 11.1%) | Crimson Aquatics | 06/26/2026 | 2026 NE NSSC June 26 28 MIT Invitational | |
| 1768 | Brooklyn Pajaud | 54.89 | 10 | BB Min | A: 48.79 (+6.10s | 11.1%) | New Wave Swim Team | 06/13/2026 | 2026 MOR Liberty Meet | |
| 1769 | Quinn Taute | 54.89 | 8 | BB Min | A: 48.79 (+6.10s | 11.1%) | Torpedo Swim School | 05/15/2026 | 2026 Kent B Holdren Memorial Meet | |
| 1770 | Carly Williams | 54.90 | 9 | BB Min | A: 48.79 (+6.11s | 11.1%) | Eagle Swim Team Inc. | 07/24/2026 | 2026 Maryland Long Course Junior Championship | |
| 1771 | Tayren Mahaulu | 54.90 | 9 | BB Min | A: 48.79 (+6.11s | 11.1%) | Warrior Aquatic Club | 06/06/2026 | BIG ISLAND SWIMMING @ KSH | |
| 1772 | Alexia Afanasyeva | 54.91 | 10 | BB Min | A: 48.79 (+6.12s | 11.1%) | Hillsboro Swim Team | 05/01/2026 | 2026 THSC Spring Invite | |
| 1773 | Mina Zhang | 54.91 | 8 | BB Min | A: 48.79 (+6.12s | 11.1%) | Tualatin Hills Swim Club | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 1774 | Naomi Zhao | 54.92 | 10 | BB Min | A: 48.79 (+6.13s | 11.2%) | Wave Aquatics | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 1775 | Cora Coreas | 54.92 | 9 | BB Min | A: 48.79 (+6.13s | 11.2%) | Premier Aquatics Club of Klein | 06/05/2026 | 2026 ST SRG Arena Surge Shark Sizzler | |
| 1776 | Ella Perisic | 54.94 | 9 | BB Min | A: 48.79 (+6.15s | 11.2%) | Swim Florida | 05/22/2026 | 2026 T2 Aquatics Norris Foundation LC Meet | |
| 1777 | Adriana Matousek | 54.94 | 9 | BB Min | A: 48.79 (+6.15s | 11.2%) | Longmont Swim Club | 05/02/2026 | 2026 CO Longmont IMR IMX Adrenaline Gauntlet | |
| 1778 | Emilie Bieker | 54.95 | 10 | BB Min | A: 48.79 (+6.16s | 11.2%) | Legacy Aquatics | 11/01/2025 | Oregon City Fall Open 2025 | |
| 1779 | Madeline Popa | 54.96 | 9 | BB Min | A: 48.79 (+6.17s | 11.2%) | Tampa Bay Aquatic Club | 05/01/2026 | 2026 WFLA SPRING OPEN | |
| 1780 | Amelia Schoessler | 54.96 | 9 | BB Min | A: 48.79 (+6.17s | 11.2%) | South Shore Sails | 05/15/2026 | 2026 ST SRG LCM Bud Dallmann Memorial | |
| 1781 | Skylar Byerson | 54.97 | 9 | BB Min | A: 48.79 (+6.18s | 11.2%) | Poseidon Swimming Inc | 06/11/2026 | NOVA 2026 Virginia Commonwealth Games | |
| 1782 | Cora Gibson | 54.97 | 9 | BB Min | A: 48.79 (+6.18s | 11.2%) | Star Aquatics | 05/15/2026 | 2026 EAC Memorial Invite | |
| 1783 | Geneva Bendas | 54.97 | 10 | BB Min | A: 48.79 (+6.18s | 11.2%) | Foxjets Swim Team | 06/19/2026 | 2026 MN MAN Red White Blue Invite Copied | |
| 1784 | Moira Harris | 54.99 | 9 | BB Min | A: 48.79 (+6.20s | 11.3%) | Tampa Bay Aquatics | 05/01/2026 | 2026 WFLA SPRING OPEN | |
| 1785 | Zahra Guerrero | 55.00 | 9 | BB Min | A: 48.79 (+6.21s | 11.3%) | Carolina Aquatic Team | 04/25/2026 | 2026 NCAC Quad Meet | |
| 1786 | Rosie Olson | 55.00 | 9 | BB Min | A: 48.79 (+6.21s | 11.3%) | Riptide Swim Team | 07/17/2026 | 2026 MN MAN Minnesota Regional Championship | |
| 1787 | Ella Ly | 55.00 | 8 | BB Min | A: 48.79 (+6.21s | 11.3%) | Arctic Aquatics | 06/12/2026 | 2026 NE CS Summer Solstice | |
| 1788 | Edda Wang | 55.00 | 9 | BB Min | A: 48.79 (+6.21s | 11.3%) | West Coast Aquatics | 07/09/2026 | 2026 PN Chinook Seattle Age Group Open Appro | |
| 1789 | Vivian Davila | 55.01 | 8 | BB Min | A: 48.79 (+6.22s | 11.3%) | Prince William Swim Club | 06/26/2026 | 2026 VSI LC Northern District Champs | |
| 1790 | Madison Duckworth | 55.01 | 10 | BB Min | A: 48.79 (+6.22s | 11.3%) | Wasatch Front Fish Market | 05/02/2025 | 2025 UVrays LC May Invitational | |
| 1791 | Maizie White-Stielstra | 55.01 | 9 | BB Min | A: 48.79 (+6.22s | 11.3%) | San Gabriel Aquatics | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 1792 | Aya Abdulhamid-Nam | 55.01 | 10 | BB Min | A: 48.79 (+6.22s | 11.3%) | Marlins Of Raleigh | 06/13/2026 | 2026 MOR Liberty Meet | |
| 1793 | Elena Shepherd | 55.01 | 10 | BB Min | A: 48.79 (+6.22s | 11.3%) | Albany Aquatic Association | 06/05/2026 | 2026 AAA Summer Blast LC Invite | |
| 1794 | Ella Edwards | 55.01 | 10 | BB Min | A: 48.79 (+6.22s | 11.3%) | Unattached | 06/25/2026 | LC Central District Champs | |
| 1795 | Olivia Masterman | 55.02 | 8 | BB Min | A: 48.79 (+6.23s | 11.3%) | Belmont Aquatic Team | 06/05/2026 | 2026 NE SAC America S Cup | |
| 1796 | Grace Gott | 55.03 | 10 | BB Min | A: 48.79 (+6.24s | 11.3%) | Catawba Valley Aquatic Club | 06/05/2026 | STAR Andrew E Hartle Invitational | |
| 1797 | Anna Bennett | 55.03 | 10 | BB Min | A: 48.79 (+6.24s | 11.3%) | Tide Swimming | 06/26/2026 | 2026 VSI LC SE District Champs | |
| 1798 | Hailey Magee | 55.03 | 10 | BB Min | A: 48.79 (+6.24s | 11.3%) | Hanover Aquatics | 06/05/2026 | HNVR Storm Surge 2026 | |
| 1799 | Kseniya Dubinina | 55.03 | 8 | BB Min | A: 48.79 (+6.24s | 11.3%) | Planet Swim Aquatics | 07/24/2026 | 2026 Area 1 LCM Championships | |
| 1800 | Nancy Aldrich | 55.04 | 10 | BB Min | A: 48.79 (+6.25s | 11.4%) | Pueblo Swim Club | 06/05/2026 | 2026 COSA Long Couse Open | |
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.