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 | |
|---|---|---|---|---|---|---|---|---|---|
| 501 | McKinley Rollins | 48.81 | 10 | BB Min | A: 48.79 (+0.02s | 0.0%) | Rowan Aquatic Club - YMCA | 06/19/2026 | 19th Annual Bob Pratt Invitational Copied | |
| 502 | Isabelle Musfeldt | 48.81 | 10 | BB Min | A: 48.79 (+0.02s | 0.0%) | Nitro Swimming | 05/30/2026 | 2026 ST NTRO LC May Splashdown | |
| 503 | Aileen Huang | 48.83 | 10 | BB Min | A: 48.79 (+0.04s | 0.1%) | East Bay Bat Rays | 06/13/2026 | PC CDST LC C B BB+ 26 074 | |
| 504 | Nanea Manuel | 48.84 | 10 | BB Min | A: 48.79 (+0.05s | 0.1%) | Kamehameha Swim Club | 05/23/2026 | OSL A+ LCM Meet | |
| 505 | Grace Green | 48.85 | 10 | BB Min | A: 48.79 (+0.06s | 0.1%) | Stingray Swim Team | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 506 | Reese Stuart | 48.85 | 10 | BB Min | A: 48.79 (+0.06s | 0.1%) | Denver Swim Academy | 06/05/2026 | 2026 CO NJ Summer Solstice Invite | |
| 507 | Meiying Jiang | 48.86 | 7 | BB Min | A: 48.79 (+0.07s | 0.1%) | Irvine Novaquatics | 06/11/2026 | 2026 SCS June AG Invite | |
| 508 | Raini Kendall | 48.86 | 10 | BB Min | A: 48.79 (+0.07s | 0.1%) | Bend Swim Club | 06/19/2026 | Bend Swim Club Sun Country Invite 2026 | |
| 509 | Grace Miller | 48.86 | 10 | BB Min | A: 48.79 (+0.07s | 0.1%) | Southwest Stars Swim Club | 06/11/2026 | 2026 RAFC Summer Solstice Invitational | |
| 510 | Katherine Talbert | 48.88 | 10 | BB Min | A: 48.79 (+0.09s | 0.2%) | Hydra Aquatics | 05/01/2026 | Speedo Spring Splash | |
| 511 | Emma Uchida | 48.88 | 10 | BB Min | A: 48.79 (+0.09s | 0.2%) | Olympic Cascade Aquatics | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | |
| 512 | Eva Trusler | 48.89 | 10 | BB Min | A: 48.79 (+0.10s | 0.2%) | Nashville Aquatic Club | 04/18/2026 | HSA April LC Meet | |
| 513 | Abigail Butler | 48.90 | 10 | BB Min | A: 48.79 (+0.11s | 0.2%) | Chawp | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 514 | Towela Sebit | 48.90 | 10 | BB Min | A: 48.79 (+0.11s | 0.2%) | Houston Hydra | 06/05/2026 | 2026 ST SRG Arena Surge Shark Sizzler | |
| 515 | Juliet Ramsay | 48.90 | 10 | BB Min | A: 48.79 (+0.11s | 0.2%) | SwimMAC Carolina | 06/26/2026 | Sharks Aquatic Club Last Chance Qualifier | |
| 516 | Caroline Apro | 48.92 | 10 | BB Min | A: 48.79 (+0.13s | 0.3%) | C.M. Gatton Beaumont YMCA | 05/15/2026 | Kentucky Aquatics Derby Classic | |
| 517 | Charlotte Chung | 48.92 | 10 | BB Min | A: 48.79 (+0.13s | 0.3%) | Sarasota Sharks | 06/11/2026 | 2026 Sarastoa Shark Open | |
| 518 | Hana Dolan | 48.93 | 10 | BB Min | A: 48.79 (+0.14s | 0.3%) | Pearl City Aquatics | 07/03/2026 | 2026 Keo Nakama Swim Meet | |
| 519 | Edith Cass | 48.95 | 10 | BB Min | A: 48.79 (+0.16s | 0.3%) | Lake Oswego Swim Club | 04/25/2026 | GACC Spring Invitational | |
| 520 | Alexa Rodde | 48.95 | 10 | BB Min | A: 48.79 (+0.16s | 0.3%) | Burlingame Aquatics | 06/12/2026 | BAC Long Course | |
| 521 | Maya Fazio | 48.95 | 10 | BB Min | A: 48.79 (+0.16s | 0.3%) | Mission Viejo Nadadores | 06/11/2026 | 2026 SCS June AG Invite | |
| 522 | Vivian Johnson | 48.96 | 8 | BB Min | A: 48.79 (+0.17s | 0.3%) | Hastings Area Swim Team | 06/26/2026 | 2026 MN PRNH Summer Chomp | |
| 523 | Zeni Dorsett | 48.97 | 10 | BB Min | A: 48.79 (+0.18s | 0.4%) | Blue Waves Swim Club | 04/11/2026 | 2026 Fox April Long Course Invitational | |
| 524 | McKenzie Ryan | 48.98 | 10 | BB Min | A: 48.79 (+0.19s | 0.4%) | Commonwealth Swimming | 05/16/2026 | 2026 NE CS Spring Fever | |
| 525 | Allison Chu | 48.99 | 10 | BB Min | A: 48.79 (+0.20s | 0.4%) | Columbia Aquatics Association | 04/17/2026 | 2026 CAC Spring Swimming To The 80's LCM Sw | |
| 526 | Josephine Whitcomb | 48.99 | 10 | BB Min | A: 48.79 (+0.20s | 0.4%) | Edina Swim Club | 06/05/2026 | 2026 MN NSAC Summer Invite | |
| 527 | Sara Coa | 49.00 | 9 | BB Min | A: 48.79 (+0.21s | 0.4%) | South Florida Aquatic Club | 05/15/2026 | 2026 Gulliver LCM Summer Classic | |
| 528 | Anya Reckhow | 49.00 | 8 | BB Min | A: 48.79 (+0.21s | 0.4%) | Cascade Swim Club | 06/19/2026 | 2026 IE VS Starlight Open (USAS) | |
| 529 | Aria Freeman | 49.01 | 9 | BB Min | A: 48.79 (+0.22s | 0.4%) | Asphalt Green Unified Aquatics | 08/06/2025 | 2025 Summer Elite Showcase | |
| 530 | Bridget Thayer | 49.01 | 10 | BB Min | A: 48.79 (+0.22s | 0.4%) | Tuna Swim Club | 06/20/2026 | 2026 MN TUNA Summer Splash | |
| 531 | Emily Yoon | 49.02 | 9 | BB Min | A: 48.79 (+0.23s | 0.5%) | Sierra Marlins Swim Team | 05/23/2026 | 2026 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 532 | Hattie Amsel | 49.02 | 10 | BB Min | A: 48.79 (+0.23s | 0.5%) | Nitro Swimming | 06/11/2026 | 2026 ST NIST George Block Invitational | |
| 533 | Kora Kennon | 49.02 | 10 | BB Min | A: 48.79 (+0.23s | 0.5%) | Battlefield Area Star Swimmers | 06/19/2026 | 2026 Firefish June Jam | |
| 534 | Jesslyn Yong | 49.02 | 10 | BB Min | A: 48.79 (+0.23s | 0.5%) | Palo Alto Stanford Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 535 | Teagan Clift | 49.03 | 10 | BB Min | A: 48.79 (+0.24s | 0.5%) | Portland Aquatic Club | 06/12/2026 | 73rd Ted Walker Invitational 2026 | |
| 536 | Evelyn Kurth | 49.04 | 10 | BB Min | A: 48.79 (+0.25s | 0.5%) | Alamo Heights Aquatic Club ? A | 05/15/2026 | 2026 ST NIST Salute To The Troops | |
| 537 | Margaret Mariscalco | 49.05 | 9 | BB Min | A: 48.79 (+0.26s | 0.5%) | SwimRVA | 06/12/2026 | 2026 SwimRVA Summer Invitational | |
| 538 | Ellie Mong | 49.07 | 10 | BB Min | A: 48.79 (+0.28s | 0.6%) | Webbs Tornadoes Swim Team | 06/05/2026 | 2026 NE SAC America S Cup | |
| 539 | Kylie Zhang | 49.07 | 10 | BB Min | A: 48.79 (+0.28s | 0.6%) | Santa Clara Swim Club | 06/27/2025 | Valley Splash | |
| 540 | Ariya Ruhomon | 49.08 | 10 | BB Min | A: 48.79 (+0.29s | 0.6%) | Gulf Coast Swim Team | 06/19/2026 | 2026 GCST MARK MCCAW SUMMER INVITE | |
| 541 | Alayna Behrendsen | 49.09 | 10 | BB Min | A: 48.79 (+0.30s | 0.6%) | Spartan Aquatic Club | 04/10/2026 | 2026 April Classic | |
| 542 | McKenzie Phillips | 49.09 | 9 | BB Min | A: 48.79 (+0.30s | 0.6%) | Denver Swim Academy | 06/05/2026 | 2026 CO NJ Summer Solstice Invite | |
| 543 | Avery Oneill | 49.09 | 10 | BB Min | A: 48.79 (+0.30s | 0.6%) | Parkway-Rockwood Gateway Swim | 05/29/2026 | 2026 Meet Me In St Louis Invite | |
| 544 | Aine Fahy | 49.11 | 10 | BB Min | A: 48.79 (+0.32s | 0.7%) | Harbour Amateur Swim Club | 06/19/2026 | 2026 GCST MARK MCCAW SUMMER INVITE | |
| 545 | Cristiana Neofytou | 49.14 | 9 | BB Min | A: 48.79 (+0.35s | 0.7%) | Alto Swim Club | 06/20/2026 | Alto Summer Swelter | |
| 546 | Emma Copeland | 49.14 | 10 | BB Min | A: 48.79 (+0.35s | 0.7%) | East Hartford YMCA | 06/20/2026 | 2026 NE NSSC Invitational Springfield College | |
| 547 | Amber An | 49.15 | 10 | BB Min | A: 48.79 (+0.36s | 0.7%) | Arctic Aquatics | 04/11/2026 | 2026 NE CS Season Opener | |
| 548 | Bella Chen | 49.16 | 9 | BB Min | A: 48.79 (+0.37s | 0.8%) | Bellevue Club Swim Team | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 549 | Charlotte Harris | 49.17 | 9 | BB Min | A: 48.79 (+0.38s | 0.8%) | Smac | 04/18/2026 | 2026 SwimRVA Carnation Clash | |
| 550 | Mackenzie Bernier | 49.18 | 10 | BB Min | A: 48.79 (+0.39s | 0.8%) | Seattle Metropolitan Aquatic C | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
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.