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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1451 | Emilia Smith | 44.69 | 9 | BB Min | A: 42.79 (+1.90s | 4.3%) | Falfins Swimming | 12/19/2025 | 2025 CO Falfins Holiday Open | |
| 1452 | Jojo Qiang-Zhu | 44.70 | 10 | BB Min | A: 42.79 (+1.91s | 4.3%) | Alto Swim Club | 01/24/2026 | 2026 Zone 1 North Championships | |
| 1453 | Olivia Stander | 44.70 | 10 | BB Min | A: 42.79 (+1.91s | 4.3%) | Supernova Swim Team | 02/06/2026 | 2026 Michigan Open | |
| 1454 | Courtney Carroll | 44.70 | 10 | BB Min | A: 42.79 (+1.91s | 4.3%) | Fort Collins Area Swim Team | 01/23/2026 | 2026 CO FAST Winter Open | |
| 1455 | Summer Hinze | 44.71 | 10 | BB Min | A: 42.79 (+1.92s | 4.3%) | Northern Lights Swim Club | 11/21/2025 | NLSC Sprint Classic | |
| 1456 | Bryn Van Den Broeck | 44.71 | 13 | BB Min | A: 42.79 (+1.92s | 4.3%) | Moraga Valley Pool | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | |
| 1457 | Amy Qian | 44.72 | 9 | BB Min | A: 42.79 (+1.93s | 4.3%) | Santa Clara Swim Club | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 1458 | Kateri Leahy | 44.72 | 10 | BB Min | A: 42.79 (+1.93s | 4.3%) | South Bay Aquatics | 12/19/2025 | 2025 SI Winter Age Group Championships | |
| 1459 | Kimberly Breud | 44.72 | 10 | BB Min | A: 42.79 (+1.93s | 4.3%) | Qns Aquatic Club | 11/22/2025 | 2025 MR QNS Protect Ya Turkey Neck Invite | |
| 1460 | Isabella Atkins | 44.72 | 9 | BB Min | A: 42.79 (+1.93s | 4.3%) | Ramona Swim Team | 12/19/2025 | 2025 SI Winter Age Group Championships | |
| 1461 | Rachel Peng | 44.72 | 10 | BB Min | A: 42.79 (+1.93s | 4.3%) | Auburn Aquatics | 12/05/2025 | 2025 SE Christmas In Auburn | |
| 1462 | Emma Li | 44.73 | 10 | BB Min | A: 42.79 (+1.94s | 4.3%) | Town of Concord | 01/30/2026 | 2026 NE GS Silver Championships | |
| 1463 | Katherine Ying | 44.73 | 10 | BB Min | A: 42.79 (+1.94s | 4.3%) | Cottonwood Heights Aquatics | 12/13/2025 | 2025 UTAH Winter Classic | |
| 1464 | Sarah Corrao | 44.73 | 10 | BB Min | A: 42.79 (+1.94s | 4.3%) | Hockomock Area YMCA Lightning | 11/22/2025 | 2025 NE RIAC Earn Your Turkey | |
| 1465 | Madeline Havlak | 44.73 | 10 | BB Min | A: 42.79 (+1.94s | 4.3%) | Holyoke YMCA Vikings | 01/30/2026 | 2026 NE UVAC Silvers | |
| 1466 | Rachael Noguti | 44.74 | 9 | BB Min | A: 42.79 (+1.95s | 4.4%) | South Bay Aquatics | 01/31/2026 | 2026 SBA All Ages NTS Meet | |
| 1467 | Alena Caiserman | 44.74 | 9 | BB Min | A: 42.79 (+1.95s | 4.4%) | Lahaina Swim Club | 01/10/2026 | NEW YEAR S MAGSA SCY Meet | |
| 1468 | Elisabetta Stidham | 44.74 | 9 | BB Min | A: 42.79 (+1.95s | 4.4%) | Rockville Montgomery Swim Club | 11/14/2025 | 2025 RMSC November Dual Meet | |
| 1469 | Nora Davis | 44.74 | 10 | BB Min | A: 42.79 (+1.95s | 4.4%) | Tennessee Aquatics | 01/16/2026 | 2026 TNAQ JANUARY INVITATIONAL | |
| 1470 | Jesslyn Yong | 44.75 | 10 | BB Min | A: 42.79 (+1.96s | 4.4%) | Palo Alto Stanford Aquatics | 01/24/2026 | 2026 Zone 1 North Championships | |
| 1471 | Nicolette Lee | 44.75 | 9 | BB Min | A: 42.79 (+1.96s | 4.4%) | Aquajets Swim Team | 01/30/2026 | 2026 MN MTKA TYR Team Challenge | |
| 1472 | Hsin Lin | 44.75 | 9 | BB Min | A: 42.79 (+1.96s | 4.4%) | Cypress Fairbanks Swim Club | 02/21/2025 | MAC Hosted 2025 Gulf 12 Under Champs | |
| 1473 | Amarie Helenske | 44.75 | 10 | BB Min | A: 42.79 (+1.96s | 4.4%) | Saint Petersburg Aquatics | 02/06/2026 | 2026 TBAC Winter Meet Copied | |
| 1474 | Elena Lee | 44.76 | 10 | BB Min | A: 42.79 (+1.97s | 4.4%) | Aspire Aquatics of Colorado | 01/04/2026 | 2026 CO AAC Sprint Eliminator Invite | |
| 1475 | Maria Matulevich | 44.77 | 9 | BB Min | A: 42.79 (+1.98s | 4.4%) | Unattached | 12/11/2025 | 2025 NE SHAWMUT Candy Cane Classic | |
| 1476 | Micah Manegdeg | 44.77 | 10 | BB Min | A: 42.79 (+1.98s | 4.4%) | San Antonio Wave | 02/13/2026 | 2026 ST HPAC STX Champs South | |
| 1477 | Viola Rizzardi | 44.77 | 10 | BB Min | A: 42.79 (+1.98s | 4.4%) | Accokeek Stroke Technique Swim | 02/07/2026 | 2026 MAKO QUALIFIER | |
| 1478 | Kaylee Fiedler | 44.77 | 10 | BB Min | A: 42.79 (+1.98s | 4.4%) | River Falls Swim Club | 11/15/2025 | 2025 MN SHRK Tigersharks Thanksgiving Classic | |
| 1479 | Emma Salum | 44.77 | 9 | BB Min | A: 42.79 (+1.98s | 4.4%) | Calabasas Waves | 12/13/2024 | 2024 CA SCAT SCS WAG | |
| 1480 | Molly Bellflowers | 44.77 | 10 | BB Min | A: 42.79 (+1.98s | 4.4%) | YMCA of Middletown Barracudas | 12/12/2025 | 2025 MR RFAC Elizabeth Miller Holiday Invite | |
| 1481 | Autumn Shepherd | 44.77 | 10 | BB Min | A: 42.79 (+1.98s | 4.4%) | Royal Swimming | 12/06/2025 | 2025 26 Super Fast And Furious Prelim Final | |
| 1482 | Margaret O'Neil | 44.77 | 10 | BB Min | A: 42.79 (+1.98s | 4.4%) | Nation\\\\\\'s Capital Swim Club | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 1483 | Nayeon Kim | 44.78 | 9 | BB Min | A: 42.79 (+1.99s | 4.4%) | Tualatin Hills Swim Club | 11/07/2025 | 2025 THSC November Open | |
| 1484 | Madelyn Anderson | 44.78 | 10 | BB Min | A: 42.79 (+1.99s | 4.4%) | Dolphin Club | 01/24/2026 | 2026 WAC Mike Willard Polar Plunge | |
| 1485 | Whitnee Jacobson | 44.78 | 9 | BB Min | A: 42.79 (+1.99s | 4.4%) | Red Wing Swim Club | 11/15/2025 | 2025 MN SHRK Tigersharks Thanksgiving Classic | |
| 1486 | Rayna Ahuja | 44.78 | 10 | BB Min | A: 42.79 (+1.99s | 4.4%) | Nation\\\\\\'s Capital Swim Club | 01/17/2026 | PVS January Open 2026 Fairland | |
| 1487 | Dylan Reeves | 44.79 | 10 | BB Min | A: 42.79 (+2.00s | 4.5%) | Crawfish Aquatics | 01/16/2026 | 2026 SE Ralph Crocker Classic | |
| 1488 | Sofia Gzym | 44.79 | 10 | BB Min | A: 42.79 (+2.00s | 4.5%) | Aces Swim Club | 01/09/2026 | 2026 CO NJ Narwhal Invitational | |
| 1489 | Alinah Tracy | 44.79 | 10 | BB Min | A: 42.79 (+2.00s | 4.5%) | Unattached | 11/08/2025 | BIG ISLAND SWIMMING @ KCAC | |
| 1490 | Aysa Lolia | 44.79 | 9 | BB Min | A: 42.79 (+2.00s | 4.5%) | Ccat Swimming | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 1491 | Josephine Mitchell | 44.80 | 10 | BB Min | A: 42.79 (+2.01s | 4.5%) | Tollefson Swimming | 11/14/2025 | ISCA Fall Classic Championship 2025 | |
| 1492 | Sophie Bedoya | 44.80 | 10 | BB Min | A: 42.79 (+2.01s | 4.5%) | San Ramon Valley Aquatics | 07/26/2025 | Zone 2 Summer Championships | |
| 1493 | Luna Fisher | 44.80 | 10 | BB Min | A: 42.79 (+2.01s | 4.5%) | Edina Swim Club | 11/01/2025 | 2025 MN EDI Invite | |
| 1494 | Carrigan Potts | 44.81 | 10 | BB Min | A: 42.79 (+2.02s | 4.5%) | McCallie-GPS Aquatics | 02/13/2026 | 2026 SE BAY Region 2 Championships Copied | |
| 1495 | Ella Hanratty | 44.81 | 9 | BB Min | A: 42.79 (+2.02s | 4.5%) | Quince Orchard Swim Academy | 02/01/2026 | 2026 Little Blue Penguin Pentathlon | |
| 1496 | Amelia Mercuri | 44.81 | 10 | BB Min | A: 42.79 (+2.02s | 4.5%) | Long Island Aquatic Club | 01/30/2026 | 2026 MR SSC Polar Bear Plunge | |
| 1497 | Leah Moore | 44.81 | 10 | BB Min | A: 42.79 (+2.02s | 4.5%) | Rockville Montgomery Swim Club | 11/14/2025 | 2025 RMSC November Dual Meet | |
| 1498 | Claire Shi | 44.82 | 9 | BB Min | A: 42.79 (+2.03s | 4.5%) | Rose Bowl Aquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 1499 | Ameena Makhzoumi | 44.82 | 10 | BB Min | A: 42.79 (+2.03s | 4.5%) | Palo Alto Stanford Aquatics | 11/15/2025 | De Anza Cupertino Aquatics CBA+ Meet | |
| 1500 | Aiyanna Williams | 44.82 | 8 | BB Min | A: 42.79 (+2.03s | 4.5%) | Aquawolves Swimming | 02/02/2025 | 2025 CO AQUA Intra Squad | |
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.