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 | |
|---|---|---|---|---|---|---|---|---|---|
| 551 | Whitnee Jacobson | 54.39 | 9 | BB Min | A: 48.79 (+5.60s | 10.3%) | Red Wing Swim Club | 07/18/2025 | 2025 MN MTKA Minnesota Regional Championship | |
| 552 | Katelyn DeGroff | 54.39 | 10 | BB Min | A: 48.79 (+5.60s | 10.3%) | United Swim Club | 06/27/2025 | ATAC Long Course | |
| 553 | Kimberly Lawson | 54.40 | 8 | BB Min | A: 48.79 (+5.61s | 10.3%) | T2 Aquatics | 06/21/2025 | 2025 T2 June Saturday Showcase | |
| 554 | Viola Rizzardi | 54.42 | 9 | BB Min | A: 48.79 (+5.63s | 10.3%) | Accokeek Stroke Technique Swim | 08/06/2025 | 2025 Summer Elite Showcase | |
| 555 | Elizabeth Lieberman | 54.45 | 9 | BB Min | A: 48.79 (+5.66s | 10.4%) | Bolles School Sharks | 06/20/2025 | 2025 Planet Swim Summer Championships | |
| 556 | Amanda Wu | 54.45 | 9 | BB Min | A: 48.79 (+5.66s | 10.4%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | |
| 557 | Clara Maslak | 54.49 | 10 | BB Min | A: 48.79 (+5.70s | 10.5%) | Indian River Aquatics | 05/23/2025 | 2025 Dr Aspi Doctor Memorial Invitational | |
| 558 | Arya Coates | 54.52 | 9 | BB Min | A: 48.79 (+5.73s | 10.5%) | The Olympic Club | 05/30/2025 | VJO S Tuffy Williams Summer Kickoff Classic | |
| 559 | Vivian Johnson | 54.52 | 7 | BB Min | A: 48.79 (+5.73s | 10.5%) | Hastings Area Swim Team | 06/13/2025 | 2025 MN RSC Summerfest | |
| 560 | Alejandra Garvin | 54.53 | 9 | BB Min | A: 48.79 (+5.74s | 10.5%) | Clovis Swim Club | 06/21/2025 | 2025 FDST June A B Modified LC Invitational | |
| 561 | Kateryna Molochko | 54.56 | 10 | BB Min | A: 48.79 (+5.77s | 10.6%) | San Ramon Valley Aquatics | 06/21/2025 | NVST Last Chance AG Champs Summer Plunge 2025 | |
| 562 | Camden Smiley | 54.61 | 9 | BB Min | A: 48.79 (+5.82s | 10.7%) | Spokane Waves Aquatic Team | 07/25/2025 | 2025 IES LC CHAMPIONSHIPS | |
| 563 | Maci Imperi | 54.61 | 9 | BB Min | A: 48.79 (+5.82s | 10.7%) | Gator Swim Club | 06/06/2025 | 2025 MAKOS Summer Splash | |
| 564 | Naomi Freehill | 54.61 | 10 | BB Min | A: 48.79 (+5.82s | 10.7%) | Aquatex Swim & Water Polo Team | 06/20/2025 | 2025 ST AAAA NS George Block Invite | |
| 565 | Kyra Blunck | 54.62 | 9 | BB Min | A: 48.79 (+5.83s | 10.7%) | Austin Swim Club | 05/31/2025 | 2025 ST ASC June Bug | |
| 566 | Carter Krouse | 54.63 | 10 | BB Min | A: 48.79 (+5.84s | 10.7%) | The Olympic Club | 06/21/2025 | NVST Last Chance AG Champs Summer Plunge 2025 | |
| 567 | Kayla Mirasol | 54.64 | 9 | BB Min | A: 48.79 (+5.85s | 10.7%) | Quicksilver Swimming | 06/28/2024 | 2024 Valley Splash Zone 1S LCM C B A+ | |
| 568 | Allison Tjhin | 54.65 | 9 | BB Min | A: 48.79 (+5.86s | 10.7%) | Diablo Aquatics | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 569 | Addison Barham | 54.65 | 9 | BB Min | A: 48.79 (+5.86s | 10.7%) | St. Thomas Swimming Associatio | 06/12/2025 | 2025 RAFC Summer Solstice | |
| 570 | Allison Tjhin | 54.65 | 9 | BB Min | A: 48.79 (+5.86s | 10.7%) | Diablo Aquatics | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 571 | Genevieve Brandstatter | 54.65 | 8 | BB Min | A: 48.79 (+5.86s | 10.7%) | Blackline Aquatics | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 572 | Clara Cederholm | 54.67 | 8 | BB Min | A: 48.79 (+5.88s | 10.8%) | Olympus Aquatics | 07/17/2025 | 2025 UTAGS LC Championships | |
| 573 | Amelia White | 54.67 | 8 | BB Min | A: 48.79 (+5.88s | 10.8%) | H2okie Aquatics | 07/12/2024 | 2024 CCA Summer Awards | |
| 574 | Vasilisa Rusetskaya | 54.68 | 9 | BB Min | A: 48.79 (+5.89s | 10.8%) | Freedom Aquatics | 08/06/2025 | 2025 Summer Elite Showcase | |
| 575 | Cali Gomes | 54.69 | 10 | BB Min | A: 48.79 (+5.90s | 10.8%) | St. Cloud Thunderbolts Aquatic | 05/23/2025 | 2025 Dr Aspi Doctor Memorial Invitational | |
| 576 | Jane Kelly | 54.69 | 9 | BB Min | A: 48.79 (+5.90s | 10.8%) | Cali Piranha Swim Team | 07/24/2025 | 2025 SI LC AG CHAMPS | |
| 577 | Lucia Lin | 54.72 | 10 | BB Min | A: 48.79 (+5.93s | 10.8%) | Sunnyvale Swim Club | 06/06/2025 | 2025 DACA LC CBA+ Meet | |
| 578 | Lily Purcell | 54.75 | 9 | BB Min | A: 48.79 (+5.96s | 10.9%) | Multnomah Athletic Club | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 579 | Aubree Charlesworth | 54.76 | 9 | BB Min | A: 48.79 (+5.97s | 10.9%) | Maverick Aquatics | 07/11/2025 | 2025 CO Western Slope LeagueChampionships | |
| 580 | Valentina Hamilton | 54.80 | 10 | BB Min | A: 48.79 (+6.01s | 11.0%) | SOL Swim Team | 07/11/2025 | 2025 SI SDSA All Ages NTS Meet | |
| 581 | Isla Brown | 54.81 | 9 | BB Min | A: 48.79 (+6.02s | 11.0%) | Monterey Bay Swim Club | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 582 | Lucy Lu | 54.85 | 9 | BB Min | A: 48.79 (+6.06s | 11.0%) | Tri-city Channel Cats | 06/06/2025 | 2025 TRI CITY INVITATIONAL | |
| 583 | Azadeh Corsiglia | 54.85 | 10 | BB Min | A: 48.79 (+6.06s | 11.0%) | DeAnza Cupertino Aquatics | 06/06/2025 | 2025 DACA LC CBA+ Meet | |
| 584 | Addelyn Rausch | 54.85 | 10 | BB Min | A: 48.79 (+6.06s | 11.0%) | Brookings Swim Club | 07/18/2025 | 2025 SD State Long Course Meet | |
| 585 | Eleonore Torrance | 54.86 | 10 | BB Min | A: 48.79 (+6.07s | 11.1%) | Stanford Campus Recreation Ass | 05/17/2025 | 2025 LAMV SCM C B A+ | |
| 586 | Doreen Zhang | 54.86 | 9 | BB Min | A: 48.79 (+6.07s | 11.1%) | Santa Clara Swim Club | 06/27/2025 | Valley Splash | |
| 587 | Harlow Redson | 54.86 | 9 | BB Min | A: 48.79 (+6.07s | 11.1%) | North Jeffco Swim Team | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 588 | Claire Liang | 54.90 | 10 | BB Min | A: 48.79 (+6.11s | 11.1%) | DeAnza Cupertino Aquatics | 06/06/2025 | 2025 DACA LC CBA+ Meet | |
| 589 | Paige Begnaud | 54.91 | 10 | BB Min | A: 48.79 (+6.12s | 11.1%) | Tuna Swim Club | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 590 | Catherine Li | 54.94 | 9 | BB Min | A: 48.79 (+6.15s | 11.2%) | California Dolphins Swim Team | 06/07/2025 | 2025 06 07 CDST LC C B BB+ Meet | |
| 591 | Penelope Arambula | 54.94 | 9 | BB Min | A: 48.79 (+6.15s | 11.2%) | Capital of Texas Aquatics | 06/08/2025 | 2025 ST TXLA 14 U Sprint Cup | |
| 592 | Addison Plank | 54.95 | 10 | BB Min | A: 48.79 (+6.16s | 11.2%) | California Capital Aquatics | 06/20/2025 | Reno Aquatic Club Gamble | |
| 593 | Daphne Zhang | 54.95 | 9 | BB Min | A: 48.79 (+6.16s | 11.2%) | Nova of Virginia | 05/17/2024 | Freedom Splash | |
| 594 | Emilie Bieker | 54.95 | 9 | BB Min | A: 48.79 (+6.16s | 11.2%) | Legacy Aquatics | 11/01/2025 | Oregon City Fall Open 2025 | |
| 595 | Clio Khatri | 54.96 | 10 | BB Min | A: 48.79 (+6.17s | 11.2%) | Piedmont Swim Team | 06/20/2025 | Reno Aquatic Club Gamble | |
| 596 | Ayelet Tindall | 55.00 | 9 | BB Min | A: 48.79 (+6.21s | 11.3%) | Blue Dolfins | 04/26/2025 | 2025 Ron Nardozzi Pre Derby Sprint Invite | |
| 597 | Myra Hulbert | 55.00 | 9 | BB Min | A: 48.79 (+6.21s | 11.3%) | Cascade Swim Club | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 598 | Madison Duckworth | 55.01 | 9 | BB Min | A: 48.79 (+6.22s | 11.3%) | Wasatch Front Fish Market | 05/02/2025 | 2025 UVrays LC May Invitational | |
| 599 | Adele Mathia | 55.01 | 10 | BB Min | A: 48.79 (+6.22s | 11.3%) | Gator Swim Club | 05/16/2025 | 2025 FAST May Invite | |
| 600 | Sophia Lukkes | 55.03 | 9 | BB Min | A: 48.79 (+6.24s | 11.3%) | Pierre Swim Team | 07/18/2025 | 2025 SD State Long Course 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.