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 | |
|---|---|---|---|---|---|---|---|---|---|
| 451 | Hadley Nguyen | 42.43 | 10 | A Min | AA: 40.89 (+1.54s | 3.6%) | Machine Aquatics | 02/20/2026 | 2026 Machine Qualifier | |
| 452 | Lilly Park | 42.43 | 10 | A Min | AA: 40.89 (+1.54s | 3.6%) | Excel Aquatics | 10/23/2026 | 2026 Pumpkin Spice Splash | |
| 453 | Alice Zheng | 42.43 | 10 | A Min | AA: 40.89 (+1.54s | 3.6%) | Sierra Marlins Swim Team | 10/23/2026 | SSS 2026 Pumpkin Plunge | |
| 454 | Naami Fisher-Barr | 42.44 | 9 | A Min | AA: 40.89 (+1.55s | 3.7%) | Delaware Riptide YMCA Swim Tea | 03/12/2026 | 2026 OH SC Junior Championships | |
| 455 | Jemma Henk | 42.44 | 10 | A Min | AA: 40.89 (+1.55s | 3.7%) | New Wave Swim Team | 02/14/2026 | 2026 TAC TITANS February Qualifier Meet | |
| 456 | Sophia Yang | 42.44 | 10 | A Min | AA: 40.89 (+1.55s | 3.7%) | Nitro Swimming | 09/06/2026 | 2026 ST NTRO Stephen J Wolleben Memorial Meet | |
| 457 | Evelyn Brown | 42.45 | 9 | A Min | AA: 40.89 (+1.56s | 3.7%) | Carolina Aquatic Team | 02/26/2026 | 2026 NCS SC AG CHAMPS | |
| 458 | Sofiia Tikhonova | 42.45 | 10 | A Min | AA: 40.89 (+1.56s | 3.7%) | Swim Fort Lauderdale | 04/18/2026 | SoFlo 12 Under Spring Invitational | |
| 459 | Emma Jun | 42.45 | 9 | A Min | AA: 40.89 (+1.56s | 3.7%) | Bellevue Club Swim Team | 10/03/2026 | 2026 PN CSC Fall Classic Invitational Approve | |
| 460 | Gracyn Connelly | 42.46 | 10 | A Min | AA: 40.89 (+1.57s | 3.7%) | SwimRise Aquatics | 03/05/2026 | 2026 Florida Swimming FLAGS NORTH | |
| 461 | Shea Mitchell | 42.47 | 9 | A Min | AA: 40.89 (+1.58s | 3.7%) | West Islip Swim Club | 12/12/2025 | 2025 MR RFAC Elizabeth Miller Holiday Invite | |
| 462 | Ellis Gray | 42.47 | 9 | A Min | AA: 40.89 (+1.58s | 3.7%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 463 | Ellie Seeto | 42.48 | 10 | A Min | AA: 40.89 (+1.59s | 3.7%) | Rockville Montgomery Swim Club | 11/14/2025 | 2025 RMSC November Dual Meet | |
| 464 | Layla Kandil | 42.48 | 9 | A Min | AA: 40.89 (+1.59s | 3.7%) | Hills Hurricane Swimming | 09/19/2026 | East Bay Silver Dolphins Short Course C B BB+ | |
| 465 | Lula Rogers | 42.48 | 10 | A Min | AA: 40.89 (+1.59s | 3.7%) | Huntsville Swim Association | 10/16/2026 | 2026 HSA Fran Norris Meet | |
| 466 | Caroline Palmer | 42.49 | 10 | A Min | AA: 40.89 (+1.60s | 3.8%) | Lynchburg Aquatic Club | 02/27/2026 | 2026 SW District Champs 9 Over | |
| 467 | Pia Pilotto | 42.49 | 9 | A Min | AA: 40.89 (+1.60s | 3.8%) | Pointe Aquatics | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 468 | Mikayla MacDonald | 42.49 | 10 | A Min | AA: 40.89 (+1.60s | 3.8%) | Washingtonians Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 469 | Stella Hogendorn | 42.49 | 10 | A Min | AA: 40.89 (+1.60s | 3.8%) | Unattached | 04/19/2026 | 2026 MN MNSI 4th Annual MN Athlete Showcase | |
| 470 | Grace Green | 42.49 | 10 | A Min | AA: 40.89 (+1.60s | 3.8%) | Stingray Swim Team | 05/15/2026 | 2026 PN SRST Pacific Coast Invitational App | |
| 471 | Brooklyn Doherty | 42.50 | 9 | A Min | AA: 40.89 (+1.61s | 3.8%) | Bolles School Sharks | 09/26/2026 | EAJ Speedo September Meet 2026 | |
| 472 | Vu Phung | 42.51 | 10 | A Min | AA: 40.89 (+1.62s | 3.8%) | Stamford Sailfish Aquatic Club | 12/11/2025 | 2025 NE CRA Winter Invitational | |
| 473 | Lindsey Short | 42.51 | 9 | A Min | AA: 40.89 (+1.62s | 3.8%) | Aces Swim Club | 10/18/2024 | 2024 CO MACS Fall Invitational | |
| 474 | Felicity Van der Staay | 42.51 | 10 | A Min | AA: 40.89 (+1.62s | 3.8%) | Palo Alto Stanford Aquatics | 10/16/2026 | All Treats No Tricks Candy Meet Block Party | |
| 475 | Nora Gao | 42.52 | 9 | A Min | AA: 40.89 (+1.63s | 3.8%) | Arctic Aquatics | 05/01/2026 | 2026 NE ARCT Spring Specialty Meet | |
| 476 | Madeleine LaMazza | 42.52 | 10 | A Min | AA: 40.89 (+1.63s | 3.8%) | Fins Swim Team | 01/16/2026 | 2026 Gabrielle Rose Tiger Classic | |
| 477 | Bella Chen | 42.53 | 9 | A Min | AA: 40.89 (+1.64s | 3.9%) | Bellevue Club Swim Team | 10/03/2026 | 2026 PN CSC Fall Classic Invitational Approve | |
| 478 | Catalina Bernal | 42.55 | 10 | A Min | AA: 40.89 (+1.66s | 3.9%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 479 | Nhien Dinh | 42.55 | 10 | A Min | AA: 40.89 (+1.66s | 3.9%) | Fairfax Foxes Swimming | 02/13/2026 | 2026 AAC Winter Gator Meet | |
| 480 | Evelyn Schulten | 42.55 | 9 | A Min | AA: 40.89 (+1.66s | 3.9%) | Cardinal Aquatics | 10/16/2026 | 2026 SwimVille USA Jack Thompson Classic | |
| 481 | Natalia Torres | 42.56 | 10 | A Min | AA: 40.89 (+1.67s | 3.9%) | Tule Nation Tritons | 01/10/2026 | 2026 Clovis Swim Club Winter Open | |
| 482 | Frances Holzer | 42.56 | 10 | A Min | AA: 40.89 (+1.67s | 3.9%) | Centralia Recreation Complex | 10/24/2026 | 2026 METS Splash Of The Titans Copied | |
| 483 | Emily Tieng | 42.57 | 8 | A Min | AA: 40.89 (+1.68s | 3.9%) | Badger Swim Club,Inc. | 12/11/2025 | 2025 Katie Ledecky Invitational | |
| 484 | Mary Olsen | 42.57 | 10 | A Min | AA: 40.89 (+1.68s | 3.9%) | Huntsville Swim Association | 02/27/2026 | 2026 SE Southeastern Winter SC Championships | |
| 485 | Sofia La Rosa | 42.58 | 10 | A Min | AA: 40.89 (+1.69s | 4.0%) | Buenaventura Swim Club | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 486 | Ayla Faber | 42.58 | 10 | A Min | AA: 40.89 (+1.69s | 4.0%) | Madison Area YMCA Mariners | 01/09/2026 | MR 2026 12 UNDER TEAM WINTER CARNIVAL | |
| 487 | Millie Halm | 42.58 | 10 | A Min | AA: 40.89 (+1.69s | 4.0%) | Findlay YMCA Frogs | 03/12/2026 | 2026 OH SC Junior Championships | |
| 488 | Daphne Economopoulos | 42.59 | 10 | A Min | AA: 40.89 (+1.70s | 4.0%) | All Star Aquatics | 02/13/2026 | 2026 ASA President S Day Classic | |
| 489 | Ellin Moh | 42.59 | 10 | A Min | AA: 40.89 (+1.70s | 4.0%) | Moons Aquatics Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 490 | Inas Boulil | 42.59 | 10 | A Min | AA: 40.89 (+1.70s | 4.0%) | YMCA of Metro North Tritons | 06/13/2026 | 2026 NE JCCS Marblehead Light | |
| 491 | Adeline John | 42.60 | 10 | A Min | AA: 40.89 (+1.71s | 4.0%) | Walnut Creek Aquabears | 10/10/2026 | Orinda Aquatics PC SC C B BB+ | |
| 492 | Isabella Champion | 42.60 | 9 | A Min | AA: 40.89 (+1.71s | 4.0%) | Sand Mountain Park Swimming | 04/11/2026 | 2026 Sprint Medal Meet | |
| 493 | Charlie Clayton | 42.61 | 9 | A Min | AA: 40.89 (+1.72s | 4.0%) | Trident Aquatic Club | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 494 | Avery Rowe | 42.61 | 10 | A Min | AA: 40.89 (+1.72s | 4.0%) | Wtrc Sharks | 03/12/2026 | 2026 OH SC Junior Championships | |
| 495 | Nicole Cleveland | 42.61 | 10 | A Min | AA: 40.89 (+1.72s | 4.0%) | Saint Petersburg Aquatics | 09/18/2026 | Kiefer Speedo Fall Invitational | |
| 496 | Lily Sun | 42.62 | 9 | A Min | AA: 40.89 (+1.73s | 4.1%) | Cascade Swim Club | 10/03/2026 | 2026 PN CSC Fall Classic Invitational Approve | |
| 497 | Maren Seiffertt | 42.64 | 10 | A Min | AA: 40.89 (+1.75s | 4.1%) | Fast | 02/27/2026 | Ozark Division I Championship | |
| 498 | Emma Huang | 42.64 | 10 | A Min | AA: 40.89 (+1.75s | 4.1%) | Wolverine Aquatics | 10/17/2026 | Pumpkin Meet, Oct 2026 | |
| 499 | Aileen Huang | 42.65 | 10 | A Min | AA: 40.89 (+1.76s | 4.1%) | East Bay Bat Rays | 09/19/2026 | PC LAC C B BB 26 Copied | |
| 500 | Lilliana Snow | 42.65 | 9 | A Min | AA: 40.89 (+1.76s | 4.1%) | Nitro Swimming | 10/18/2026 | 2026 ST TXLA 10 U Fall Kick Off Invite | |
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.