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 | Emmi Mears | 48.06 | 10 | BB Min | A: 42.79 (+5.27s | 11.0%) | Newberg | 02/13/2026 | 2026 OR HS 6A 3 | |
| 2502 | Hannah Lutsi | 48.06 | 9 | BB Min | A: 42.79 (+5.27s | 11.0%) | Mason Manta Rays | 02/19/2026 | 2026 OH RAYS SC Regional Championships | |
| 2503 | Camille Cruz | 48.06 | 9 | BB Min | A: 42.79 (+5.27s | 11.0%) | Asphalt Green Unified Aquatics | 01/30/2026 | 2026 MR LIE Second Chance Invitational | |
| 2504 | Whitney Difani | 48.06 | 9 | BB Min | A: 42.79 (+5.27s | 11.0%) | Parkway-Rockwood Gateway Swim | 02/27/2026 | Ozark Division I Championship | |
| 2505 | Adelyn Ray | 48.06 | 10 | BB Min | A: 42.79 (+5.27s | 11.0%) | Houston Hydra | 09/21/2024 | SSAN 2024 Black Gold Meet | |
| 2506 | Kaylie Nishihira | 48.06 | 10 | BB Min | A: 42.79 (+5.27s | 11.0%) | Punahou Aquatics Institute | 10/19/2025 | Aulea Fall Frenzy Meet | |
| 2507 | Mariana Becker | 48.07 | 10 | BB Min | A: 42.79 (+5.28s | 11.0%) | Wake Aquatics | 02/06/2026 | 2026 SES Region 3 Champions | |
| 2508 | Jennifer Yan | 48.07 | 10 | BB Min | A: 42.79 (+5.28s | 11.0%) | Cross Island YMCA Barracudas | 01/24/2026 | 2026 MR FLY Fran Schnarr Sprint Pentathlon Me | |
| 2509 | Parker Shippee | 48.07 | 10 | BB Min | A: 42.79 (+5.28s | 11.0%) | Black Hills Gold Swimming | 02/20/2026 | 2026 SD 12 Under Short Course State A Champ | |
| 2510 | Polina Paskhina | 48.07 | 10 | BB Min | A: 42.79 (+5.28s | 11.0%) | Mecklenburg Swim Association | 03/20/2026 | 2026 STAR Tar Heel States | |
| 2511 | Karina O | 48.07 | 9 | BB Min | A: 42.79 (+5.28s | 11.0%) | Wave Aquatics | 06/19/2026 | 2026 PN SRST Summer Invitational Approved | |
| 2512 | Adeline Willette | 48.08 | 9 | BB Min | A: 42.79 (+5.29s | 11.0%) | Long Reach Swim Club | 02/27/2026 | 2026 NE Maine State Y Championships | |
| 2513 | Margaret Tashima | 48.08 | 9 | BB Min | A: 42.79 (+5.29s | 11.0%) | Foxjets Swim Team | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 2514 | Penelope Schwarten | 48.08 | 10 | BB Min | A: 42.79 (+5.29s | 11.0%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 2515 | Siobhan Gerow-Kerr | 48.08 | 10 | BB Min | A: 42.79 (+5.29s | 11.0%) | Unattached | 06/07/2026 | 2026 NE NSSC June Invitational At BC High | |
| 2516 | Madhuri Mukhram | 48.09 | 10 | BB Min | A: 42.79 (+5.30s | 11.0%) | Bellingham Bay Swim Team | 05/15/2026 | 2026 PN TAC Spring Thunderbird Approved | |
| 2517 | Layla Episcopo | 48.09 | 9 | BB Min | A: 42.79 (+5.30s | 11.0%) | Indian River Aquatics | 06/26/2026 | 2026 Summer Area 6 Champs | |
| 2518 | Alara Petricka | 48.09 | 10 | BB Min | A: 42.79 (+5.30s | 11.0%) | Front Range Barracudas | 02/08/2025 | 2025 CO NCS 10 U Winter Spectacular | |
| 2519 | Riley Wonderly | 48.10 | 9 | BB Min | A: 42.79 (+5.31s | 11.0%) | Tsunami Swimming | 02/13/2026 | 2026 Northern District 12 Under Championship | |
| 2520 | Isabella Wiggins | 48.10 | 10 | BB Min | A: 42.79 (+5.31s | 11.0%) | Middies Wave Ryders | 02/06/2026 | 2026 MR YMID February Classic Copied | |
| 2521 | Charlee Byrd | 48.10 | 10 | BB Min | A: 42.79 (+5.31s | 11.0%) | Hanover Aquatics | 12/04/2025 | 2025 RAYS Nutcracker Classic Copied | |
| 2522 | Sage Lovanhill | 48.10 | 10 | BB Min | A: 42.79 (+5.31s | 11.0%) | Seattle Metropolitan Aquatic C | 02/13/2026 | 2026 PN UPAC 4th Annual Feb Fly In Approved | |
| 2523 | Cali Martinez | 48.10 | 9 | BB Min | A: 42.79 (+5.31s | 11.0%) | Nampa Swim Team | 12/06/2025 | Reindeer Games 2025 | |
| 2524 | Elizabeth Ecker | 48.10 | 10 | BB Min | A: 42.79 (+5.31s | 11.0%) | Bangor YMCA Barracudas | 02/27/2026 | 2026 NE Maine State Y Championships | |
| 2525 | Beyah Hwunan | 48.10 | 9 | BB Min | A: 42.79 (+5.31s | 11.0%) | Aulea Swim Club | 03/07/2026 | 2026 HI Junior Age Group SCY Championship | |
| 2526 | Brooklyn Pajaud | 48.10 | 10 | BB Min | A: 42.79 (+5.31s | 11.0%) | New Wave Swim Team | 03/14/2026 | 2026 MOR Reagan Martin Rocks Swim Meet | |
| 2527 | Charlee Beaudry | 48.10 | 10 | BB Min | A: 42.79 (+5.31s | 11.0%) | Sea Devils | 02/27/2026 | 2026 MN STRM Minnesota Regional Championship | |
| 2528 | Karina XU | 48.10 | 9 | BB Min | A: 42.79 (+5.31s | 11.0%) | Nation\\\\\\'s Capital Swim Club | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 2529 | Morgan Tokarski | 48.11 | 10 | BB Min | A: 42.79 (+5.32s | 11.1%) | Mason Manta Rays | 03/12/2026 | 2026 OH SC Junior Championships | |
| 2530 | Evelyn Todd | 48.11 | 10 | BB Min | A: 42.79 (+5.32s | 11.1%) | Team Charlotte Swimming | 03/07/2026 | 2026 MSA March Madness Invitational | |
| 2531 | Mary Naltner | 48.11 | 10 | BB Min | A: 42.79 (+5.32s | 11.1%) | Egra Waves | 02/07/2026 | 2026 Grand Rapids Open | |
| 2532 | Effie Liu | 48.11 | 10 | BB Min | A: 42.79 (+5.32s | 11.1%) | Delmar Dolfins | 12/12/2025 | 2025 NE NSSC Dec Holiday Celebration! | |
| 2533 | Audrey Tong | 48.12 | 9 | BB Min | A: 42.79 (+5.33s | 11.1%) | Asphalt Green Unified Aquatics | 03/07/2026 | 2026 MR AGUA Last Chance Invitational | |
| 2534 | Ilvy Bolomsky-Lutz | 48.12 | 8 | BB Min | A: 42.79 (+5.33s | 11.1%) | Rockville Montgomery Swim Club | 12/06/2025 | 2025 Reindeer Mini Meet | |
| 2535 | Elissa Justice | 48.12 | 9 | BB Min | A: 42.79 (+5.33s | 11.1%) | Life Time Colorado Swim Club | 02/13/2026 | 2026 CO Valentine Open | |
| 2536 | Ivy Coleman | 48.12 | 8 | BB Min | A: 42.79 (+5.33s | 11.1%) | Clovis Swim Club | 11/22/2025 | 2025 Dr Dowain Wright Memorial ABC | |
| 2537 | Mary Matigian | 48.12 | 10 | BB Min | A: 42.79 (+5.33s | 11.1%) | Farmington Family YMCA Stingra | 02/21/2026 | 2026 Michigan YMCA Clusters Championship | |
| 2538 | Payton Towles | 48.12 | 9 | BB Min | A: 42.79 (+5.33s | 11.1%) | Nation\\\\\\'s Capital Swim Club | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 2539 | Sophie Harr | 48.12 | 9 | BB Min | A: 42.79 (+5.33s | 11.1%) | Crimson Aquatics | 03/06/2026 | 2026 NE CRIM March Trials Finals Meet | |
| 2540 | Arabella Wang | 48.13 | 8 | BB Min | A: 42.79 (+5.34s | 11.1%) | Qns Aquatic Club | 03/07/2026 | 2026 MR Metro 8 Under Championships | |
| 2541 | Ruby York | 48.13 | 9 | BB Min | A: 42.79 (+5.34s | 11.1%) | Aquatic Club of Elkhorn | 12/13/2025 | VAST Winter Invitational | |
| 2542 | Ellie Rasmussen | 48.13 | 10 | BB Min | A: 42.79 (+5.34s | 11.1%) | Sandpipers of Nevada | 11/08/2024 | 2024 NV State Championships | |
| 2543 | Audrey Seward | 48.14 | 10 | BB Min | A: 42.79 (+5.35s | 11.1%) | Herndon Aquatic Club | 10/04/2025 | 2025 Harvest Moon Invitational | |
| 2544 | Ella Droneck | 48.14 | 10 | BB Min | A: 42.79 (+5.35s | 11.1%) | West Express Swim Team | 12/06/2024 | 2024 MN AQJT 14 U Single Age State Meet | |
| 2545 | Stella Klopper | 48.14 | 9 | BB Min | A: 42.79 (+5.35s | 11.1%) | Siouxland Wave Aquatic Team | 01/23/2026 | SFST SD 2026 January Invite | |
| 2546 | Karissa Boylan | 48.15 | 9 | BB Min | A: 42.79 (+5.36s | 11.1%) | Castle Rock Swimming | 02/14/2026 | 2026 CO ACES Winter Open | |
| 2547 | Virginia Nystrom | 48.15 | 10 | BB Min | A: 42.79 (+5.36s | 11.1%) | Nova of Virginia | 03/21/2026 | NOVA Short Course Send Off 2026 | |
| 2548 | Annemarie Gardiner | 48.16 | 9 | BB Min | A: 42.79 (+5.37s | 11.2%) | Royal Swimming | 03/07/2026 | 2026 Lake Huron Regional Meet | |
| 2549 | Georgiana Malejko | 48.16 | 10 | BB Min | A: 42.79 (+5.37s | 11.2%) | The Capitol Sea Devils | 03/20/2026 | March Madness 2026 | |
| 2550 | Keren Li | 48.16 | 8 | BB Min | A: 42.79 (+5.37s | 11.2%) | Durango Swim Club | 04/17/2026 | 2026 CO Jolean Scott Memorial | |
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.