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 | |
|---|---|---|---|---|---|---|---|---|---|
| 2501 | Josi Ciccone | 48.55 | 9 | BB Min | A: 42.79 (+5.76s | 11.9%) | Atlantis Swimming | 02/27/2026 | 2026 MCSA Junior Cup | |
| 2502 | Leah Mason | 48.55 | 10 | BB Min | A: 42.79 (+5.76s | 11.9%) | Jenison | 12/05/2025 | EGRA 2025 Winter Washout | |
| 2503 | Aanaya Mondal | 48.56 | 10 | BB Min | A: 42.79 (+5.77s | 11.9%) | Pro Swimming | 12/06/2025 | 2025 PN Fall Divisionals, Division 3 WAVE | |
| 2504 | Aya Sharif | 48.56 | 10 | BB Min | A: 42.79 (+5.77s | 11.9%) | Charles River Aquatics | 01/09/2026 | 2026 NE CRA New Year Distance And Specialty | |
| 2505 | Mary Laux | 48.56 | 10 | BB Min | A: 42.79 (+5.77s | 11.9%) | Nova of Virginia | 01/09/2026 | NOVA New Year S Kick Off | |
| 2506 | Ainsley Britten | 48.56 | 10 | BB Min | A: 42.79 (+5.77s | 11.9%) | Byron Center Aquatics | 03/07/2026 | 2026 Lake Michigan Regional Meet | |
| 2507 | Yuhan Xiong | 48.56 | 9 | BB Min | A: 42.79 (+5.77s | 11.9%) | Rockville Montgomery Swim Club | 11/14/2025 | 2025 RMSC November Dual Meet | |
| 2508 | Ila Knackstedt | 48.56 | 10 | BB Min | A: 42.79 (+5.77s | 11.9%) | Swim Lake City Legends | 11/21/2025 | 2025 MAC Thanksgiving Invitational | |
| 2509 | Everly Hsueh | 48.56 | 10 | BB Min | A: 42.79 (+5.77s | 11.9%) | Milpitas Aquatic Club | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 2510 | Victoria Anthony | 48.56 | 9 | BB Min | A: 42.79 (+5.77s | 11.9%) | Nova of Virginia | 01/09/2026 | NOVA New Year S Kick Off | |
| 2511 | Sarah White | 48.57 | 10 | BB Min | A: 42.79 (+5.78s | 11.9%) | Volusia Swim Club | 03/05/2026 | 2026 Florida Swimming FLAGS NORTH | |
| 2512 | Bailey Aguilar-Marin | 48.57 | 9 | BB Min | A: 42.79 (+5.78s | 11.9%) | Clovis Swim Club | 01/10/2026 | 2026 Clovis Swim Club Winter Open | |
| 2513 | Brailey Adams | 48.57 | 9 | BB Min | A: 42.79 (+5.78s | 11.9%) | Razor Aquatics | 11/22/2025 | 2025 Royal Fall Cup | |
| 2514 | Harper Witte | 48.57 | 10 | BB Min | A: 42.79 (+5.78s | 11.9%) | Southwest Swim Club | 02/20/2026 | 2026 SD 12 Under Short Course State A Champ | |
| 2515 | Zoe Wang | 48.57 | 9 | BB Min | A: 42.79 (+5.78s | 11.9%) | Hydro Swim Club | 10/26/2025 | 2025 Hydro Halloween Pentathlon Copied | |
| 2516 | Rebecca Lowther | 48.57 | 9 | BB Min | A: 42.79 (+5.78s | 11.9%) | YMCA of the Triangle Area Swim | 01/23/2026 | GCY Winter Meet 2026 | |
| 2517 | Lily Shih | 48.58 | 8 | BB Min | A: 42.79 (+5.79s | 11.9%) | Long Island Aquatic Club | 01/16/2026 | 2026 MR NFS 43rd Annual Dr MLK Jr Invite | |
| 2518 | Maddy Walker | 48.58 | 10 | BB Min | A: 42.79 (+5.79s | 11.9%) | Spokane Sea Serpents | 02/13/2026 | (Pullman) 2026 IES Jr Champs | |
| 2519 | Claire Garrigues | 48.58 | 9 | BB Min | A: 42.79 (+5.79s | 11.9%) | Piedmont Swim Team | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 2520 | 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 | |
| 2521 | Madison Cobb | 48.58 | 9 | BB Min | A: 42.79 (+5.79s | 11.9%) | Crimson Aquatics | 01/30/2026 | 2026 NE CS Silver Championships | |
| 2522 | 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 | |
| 2523 | 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 | |
| 2524 | 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 | |
| 2525 | Juni Reynoso | 48.59 | 10 | BB Min | A: 42.79 (+5.80s | 11.9%) | Instinct Swimming | 03/13/2026 | 2026 NE INST NE Cup | |
| 2526 | 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 | |
| 2527 | 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 | |
| 2528 | 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 | |
| 2529 | Gabrielle Oswald | 48.60 | 9 | BB Min | A: 42.79 (+5.81s | 12.0%) | Northwest Georgia Aquatics | 01/09/2026 | 2026 MCC January Invite | |
| 2530 | 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 | |
| 2531 | 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 | |
| 2532 | 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 | |
| 2533 | Marley Doherty | 48.61 | 9 | BB Min | A: 42.79 (+5.82s | 12.0%) | Oscoda | 02/15/2026 | 2026 MTSL Championship | |
| 2534 | 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 | |
| 2535 | 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 | |
| 2536 | 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 | |
| 2537 | 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 | |
| 2538 | 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 | |
| 2539 | 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 | |
| 2540 | 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 | |
| 2541 | 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 | |
| 2542 | 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 | |
| 2543 | 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 | |
| 2544 | Jordan Woods | 48.63 | 9 | BB Min | A: 42.79 (+5.84s | 12.0%) | Flatiron Athletic Club | 03/13/2026 | Mile High Championship Invitational | |
| 2545 | Abigail Strachan | 48.63 | 9 | BB Min | A: 42.79 (+5.84s | 12.0%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 12/06/2025 | SLA Holiday Blast | |
| 2546 | 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 | |
| 2547 | 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 | |
| 2548 | 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 | |
| 2549 | 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 | |
| 2550 | 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 | |
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.