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 | |
|---|---|---|---|---|---|---|---|---|---|
| 2751 | Madison Cobb | 48.58 | 9 | BB Min | A: 42.79 (+5.79s | 11.9%) | Crimson Aquatics | 01/30/2026 | 2026 NE CS Silver Championships | |
| 2752 | Sophia Rullmann | 48.58 | 10 | BB Min | A: 42.79 (+5.79s | 11.9%) | McCallie-GPS Aquatics | 02/13/2026 | 2026 SE BAY Region 2 Championships Copied | |
| 2753 | Olivia Zhao | 48.58 | 9 | BB Min | A: 42.79 (+5.79s | 11.9%) | Shawmut Aquatic Club | 01/16/2026 | 2026 NE SAC Bronze Championships | |
| 2754 | Anika Parson | 48.58 | 10 | BB Min | A: 42.79 (+5.79s | 11.9%) | Pacific Dragons Swim Team | 12/06/2025 | 2025 PN Fall Divisionals, Division 1 OCA | |
| 2755 | Madison Wong | 48.58 | 8 | BB Min | A: 42.79 (+5.79s | 11.9%) | Hauppauge Swimming | 02/28/2026 | 2026 MR TVSC St Patrick S Day 8 Under Meet | |
| 2756 | Ingrid Uecker | 48.59 | 10 | BB Min | A: 42.79 (+5.80s | 11.9%) | Sea Devils | 01/25/2026 | 2026 MN HURR January Invitational | |
| 2757 | Juni Reynoso | 48.59 | 10 | BB Min | A: 42.79 (+5.80s | 11.9%) | Instinct Swimming | 03/13/2026 | 2026 NE INST NE Cup | |
| 2758 | Catherine Tolokh | 48.59 | 9 | BB Min | A: 42.79 (+5.80s | 11.9%) | Charles River Aquatics | 02/06/2026 | 2026 NE CRA Last Chance February Invite | |
| 2759 | Christina Kemp | 48.59 | 10 | BB Min | A: 42.79 (+5.80s | 11.9%) | Mason Makos Swim Team | 01/10/2026 | 2026 MAKO POLAR PLUNGE | |
| 2760 | Emilia Fortin | 48.59 | 9 | BB Min | A: 42.79 (+5.80s | 11.9%) | Life Time Minnesota Swim Team | 12/20/2025 | 2025 MN AQJT Holiday Invite | |
| 2761 | Audrey Weil | 48.59 | 8 | BB Min | A: 42.79 (+5.80s | 11.9%) | Brooklyn Stingrays | 02/07/2026 | 2026 MR QNS We Fly High Invitational | |
| 2762 | Gabrielle Oswald | 48.60 | 9 | BB Min | A: 42.79 (+5.81s | 12.0%) | Northwest Georgia Aquatics | 01/09/2026 | 2026 MCC January Invite | |
| 2763 | Gwendellyn Tjong | 48.60 | 9 | BB Min | A: 42.79 (+5.81s | 12.0%) | Twisters Swim Club | 02/28/2026 | 2026 MR QNS I Know I Can Invitational | |
| 2764 | Claire Xu | 48.60 | 10 | BB Min | A: 42.79 (+5.81s | 12.0%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 2765 | Lillian James | 48.60 | 9 | BB Min | A: 42.79 (+5.81s | 12.0%) | Southwest Stars Swim Club | 02/21/2026 | 2026 SLAC Last Chance To Dance Invitational | |
| 2766 | Marley Doherty | 48.61 | 9 | BB Min | A: 42.79 (+5.82s | 12.0%) | Oscoda | 02/15/2026 | 2026 MTSL Championship | |
| 2767 | Heavenly Kalambayi | 48.61 | 10 | BB Min | A: 42.79 (+5.82s | 12.0%) | YMCA of Greater Nashua StormB | 10/26/2025 | 2025 YMCA Intersquad Virtual Meet Copied | |
| 2768 | Emmeline Therkorn-Landers | 48.61 | 9 | BB Min | A: 42.79 (+5.82s | 12.0%) | Riverbank RedTails Swim Team | 01/16/2026 | 2026 MR NFS 43rd Annual Dr MLK Jr Invite | |
| 2769 | Brooke Simonds | 48.61 | 10 | BB Min | A: 42.79 (+5.82s | 12.0%) | Huntington YMCA Bluefish | 01/09/2026 | 2026 MR TVSC TJ Kelly Memorial Joust | |
| 2770 | Klara Koesel | 48.61 | 10 | BB Min | A: 42.79 (+5.82s | 12.0%) | Bainbridge Island Swim Club | 01/31/2026 | 2026 PN BISC Bluefin Invitational | |
| 2771 | Asuka Nakahira | 48.61 | 9 | BB Min | A: 42.79 (+5.82s | 12.0%) | DC Dept Of Parks and Recreatio | 02/01/2026 | 2026 Little Blue Penguin Pentathlon | |
| 2772 | Ella Lerro | 48.62 | 8 | BB Min | A: 42.79 (+5.83s | 12.0%) | Aspire Aquatics of Colorado | 03/07/2025 | 2025 CO CSI Silver State Championships | |
| 2773 | Olivia Alexander | 48.62 | 10 | BB Min | A: 42.79 (+5.83s | 12.0%) | Rancho San Dieguito | 12/05/2025 | SI 2025 RSD All Ages WAG Max | |
| 2774 | Jia Jain | 48.62 | 10 | BB Min | A: 42.79 (+5.83s | 12.0%) | Nova of Virginia | 03/21/2026 | NOVA Short Course Send Off 2026 | |
| 2775 | Isabella Flaim | 48.62 | 8 | BB Min | A: 42.79 (+5.83s | 12.0%) | Rockville Montgomery Swim Club | 02/14/2026 | 2026 RMSC Gender Blender Mini Meet | |
| 2776 | Laura Francis | 48.62 | 10 | BB Min | A: 42.79 (+5.83s | 12.0%) | Issaquah Swim Team | 03/28/2026 | 2026 PN Spring Showdown, Div1 Approved | |
| 2777 | Evelyn Ferrone | 48.62 | 10 | BB Min | A: 42.79 (+5.83s | 12.0%) | Mecklenburg Swim Association | 11/07/2025 | 2025 Veterans Day Inv Presented By Arena | |
| 2778 | Harper Langfield | 48.63 | 9 | BB Min | A: 42.79 (+5.84s | 12.0%) | Fall River YMCA Lightning | 01/17/2026 | 2026 NE KCY SENECY Winter Carnival | |
| 2779 | Jordan Woods | 48.63 | 9 | BB Min | A: 42.79 (+5.84s | 12.0%) | Flatiron Athletic Club | 03/13/2026 | Mile High Championship Invitational | |
| 2780 | Abigail Strachan | 48.63 | 9 | BB Min | A: 42.79 (+5.84s | 12.0%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 12/06/2025 | SLA Holiday Blast | |
| 2781 | Brianna Wang | 48.63 | 9 | BB Min | A: 42.79 (+5.84s | 12.0%) | Rockville Montgomery Swim Club | 11/14/2025 | 2025 RMSC November Dual Meet | |
| 2782 | Aubrey Eberson | 48.63 | 10 | BB Min | A: 42.79 (+5.84s | 12.0%) | Nocatee Bluetide Swim Team | 06/26/2026 | 2026 SwimRise Season Finale | |
| 2783 | Tiana Tran | 48.63 | 9 | BB Min | A: 42.79 (+5.84s | 12.0%) | YMCA of Metro North Tritons | 01/10/2026 | 2026 NE YNS YMCA Eastern MA Districts | |
| 2784 | Ryhana Haddon | 48.63 | 10 | BB Min | A: 42.79 (+5.84s | 12.0%) | YMCA of Virginia\\\\\\'s Blue Ridge | 03/07/2026 | PYSA Champs 2026 | |
| 2785 | Samantha Sousa | 48.64 | 10 | BB Min | A: 42.79 (+5.85s | 12.0%) | YMCA of the North Shore Sharks | 11/14/2025 | 2025 NE CRIM November Specialty Copied C | |
| 2786 | Nicole Cleveland | 48.64 | 10 | BB Min | A: 42.79 (+5.85s | 12.0%) | Saint Petersburg Aquatics | 01/23/2026 | BLOOMIN FAST SWIM MEET | |
| 2787 | Audrey Newbury | 48.64 | 9 | BB Min | A: 42.79 (+5.85s | 12.0%) | Twisters Swim Club | 02/28/2026 | 2026 MR QNS I Know I Can Invitational | |
| 2788 | Eleanor Day | 48.64 | 10 | BB Min | A: 42.79 (+5.85s | 12.0%) | Merritt Athletic Swimming | 03/21/2026 | 2026 Maryland 9 10 B Championship Meet | |
| 2789 | Kathryn Stejskal | 48.65 | 10 | BB Min | A: 42.79 (+5.86s | 12.0%) | Greater Omaha Aquatics Leopard | 02/20/2026 | 2026 MW Midwestern Age Group Short Course | |
| 2790 | Kathryn Haggerty | 48.65 | 10 | BB Min | A: 42.79 (+5.86s | 12.0%) | The Granite YMCA Tiger Sharks | 03/13/2026 | 2026 NE UVAC NHSA State Championships | |
| 2791 | Joncie Clawson | 48.65 | 10 | BB Min | A: 42.79 (+5.86s | 12.0%) | Smac | 01/16/2026 | CA Y Winter Rumble Copied | |
| 2792 | Arianna Mitchell | 48.65 | 10 | BB Min | A: 42.79 (+5.86s | 12.0%) | Fast Falcons | 01/30/2026 | 2026 FAST February Helping Hands Invite | |
| 2793 | Victoria Donahue | 48.65 | 9 | BB Min | A: 42.79 (+5.86s | 12.0%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 2794 | Adelyn Husmillo | 48.66 | 9 | BB Min | A: 42.79 (+5.87s | 12.1%) | Helios | 03/07/2026 | 2026 SwimMAC BC Championship | |
| 2795 | Lorelei Jenson | 48.66 | 10 | BB Min | A: 42.79 (+5.87s | 12.1%) | Edina Swim Club | 02/27/2026 | 2026 MN EDI Minnesota Regional Championship | |
| 2796 | Kinsley Goggins | 48.66 | 9 | BB Min | A: 42.79 (+5.87s | 12.1%) | New Wave Swim Team | 03/14/2026 | 2026 MOR Reagan Martin Rocks Swim Meet | |
| 2797 | Raquel Engel | 48.66 | 10 | BB Min | A: 42.79 (+5.87s | 12.1%) | Piedmont Swim Team | 07/10/2026 | Redwood Empire Swim League Championship | |
| 2798 | Isabel Ivanov | 48.66 | 8 | BB Min | A: 42.79 (+5.87s | 12.1%) | Tampa Bay Aquatic Club | 10/10/2025 | WFLA Halloween Invitational | |
| 2799 | Bridget Bailey | 48.67 | 10 | BB Min | A: 42.79 (+5.88s | 12.1%) | Kingfish Swimming Medfield | 03/26/2026 | Destination Athlete Centennial Invite 2026 | |
| 2800 | Sarah He | 48.67 | 9 | BB Min | A: 42.79 (+5.88s | 12.1%) | California Dolphins Swim Team | 03/28/2026 | PC CDST SC C B BB+ Meet | |
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.