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 | Jooah Pyun | 52.39 | 10 | BB Min | A: 48.79 (+3.60s | 6.9%) | Lone Star Aquatic Club | 04/10/2026 | 2026 ST LSAC 6th Annual Atomic Fest | |
| 502 | Hadley Hausel | 52.40 | 10 | BB Min | A: 48.79 (+3.61s | 6.9%) | Denver Swim Academy | 05/16/2026 | 2026 CO Hilltopper Invite | |
| 503 | Rylan Halston | 52.41 | 10 | BB Min | A: 48.79 (+3.62s | 6.9%) | SwimFast | 01/17/2026 | 2026 Azura Winter Open LCM Invite | |
| 504 | Rose Griffis | 52.42 | 10 | BB Min | A: 48.79 (+3.63s | 6.9%) | West Florida Lightning Aquatic | 04/17/2026 | 2026 SAINT PETE S 1st LONG COURSE MEET | |
| 505 | Emma Ajan | 52.43 | 8 | BB Min | A: 48.79 (+3.64s | 6.9%) | Pine Crest Swim Team | 04/18/2026 | SCS Under The Sun Invitational | |
| 506 | Soomin Han | 52.44 | 9 | BB Min | A: 48.79 (+3.65s | 7.0%) | Quicksilver Swimming | 05/02/2026 | Alto Spring Jam CBA | |
| 507 | Mia Huang | 52.45 | 10 | BB Min | A: 48.79 (+3.66s | 7.0%) | Rochester Swim Club | 07/18/2025 | 2025 MN MTKA Minnesota Regional Championship | |
| 508 | Hailey Bartel | 52.47 | 8 | BB Min | A: 48.79 (+3.68s | 7.0%) | Gator Swim Club | 05/15/2026 | 2026 FAST May Invite | |
| 509 | Caydan Ferolino | 52.48 | 10 | BB Min | A: 48.79 (+3.69s | 7.0%) | Cascade Swim Club | 09/20/2025 | 2025 PN CSC September Shakeout | |
| 510 | Sydney Overbeek | 52.48 | 9 | BB Min | A: 48.79 (+3.69s | 7.0%) | Pikes Peak Athletics | 07/12/2025 | 2025 CO Southern Colorado LC Championship | |
| 511 | Alice Gangl | 52.50 | 10 | BB Min | A: 48.79 (+3.71s | 7.1%) | Sarasota Sharks | 04/25/2026 | 11th Annual Hohne Memorial Invitational | |
| 512 | Elliot Jung | 52.51 | 10 | BB Min | A: 48.79 (+3.72s | 7.1%) | Olympic Cascade Aquatics | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 513 | Rachel Tionko | 52.52 | 9 | BB Min | A: 48.79 (+3.73s | 7.1%) | Blue Wave Swimming | 05/15/2026 | 2026 SAINT PETE S 2nd LONG COURSE MEET | |
| 514 | Dora Zhang | 52.54 | 10 | BB Min | A: 48.79 (+3.75s | 7.1%) | Sunnyvale Swim Club | 05/16/2026 | 2026 DACA LC CBA+ | |
| 515 | Siquan Zou | 52.55 | 10 | BB Min | A: 48.79 (+3.76s | 7.2%) | Circle C Select Swim Team | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 516 | Emerson Noblett | 52.55 | 10 | BB Min | A: 48.79 (+3.76s | 7.2%) | Westlake Aquatic Facility | 04/10/2026 | 2026 ST LSAC 6th Annual Atomic Fest | |
| 517 | Anna de Fabrique | 52.58 | 10 | B: 49.79 (+2.79s | 5.3%) | Montverde Aquatic Club | 04/25/2026 | 11th Annual Hohne Memorial Invitational | ||
| 518 | Aria Ferris | 52.58 | 9 | BB Min | A: 48.79 (+3.79s | 7.2%) | Aquawolves Swimming | 04/24/2026 | 2026 CO Steve Drozda LC Shotgun | |
| 519 | Ariya Ruhomon | 52.60 | 10 | BB Min | A: 48.79 (+3.81s | 7.2%) | Gulf Coast Swim Team | 04/17/2026 | 2026 GCST Spring Open | |
| 520 | Colette Byars | 52.61 | 9 | BB Min | A: 48.79 (+3.82s | 7.3%) | Riptide Swim Team | 05/02/2026 | 2026 MN RSC Pentathlon | |
| 521 | Valentina Saenz | 52.64 | 9 | BB Min | A: 48.79 (+3.85s | 7.3%) | West Florida Lightning Aquatic | 05/01/2026 | 2026 WFLA SPRING OPEN | |
| 522 | Kimberly Larsen | 52.66 | 10 | BB Min | A: 48.79 (+3.87s | 7.3%) | Kissimmee Swim Association | 05/15/2026 | 2026 PA Long Course Invite | |
| 523 | Sofia Khalfin | 52.67 | 9 | BB Min | A: 48.79 (+3.88s | 7.4%) | Terrapins Swim Team | 04/26/2025 | PacSwim LCM C B BB+ Hosted By TERA | |
| 524 | Maddy Walker | 52.68 | 10 | BB Min | A: 48.79 (+3.89s | 7.4%) | Spokane Sea Serpents | 07/25/2025 | 2025 IES LC CHAMPIONSHIPS | |
| 525 | Olivia Du | 52.69 | 9 | BB Min | A: 48.79 (+3.90s | 7.4%) | West Coast Aquatics | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 526 | Prisha Pokharel | 52.70 | 10 | BB Min | A: 48.79 (+3.91s | 7.4%) | Waterloo Swimming | 04/18/2026 | 2026 ST ASC LC Kickoff | |
| 527 | Zoe Uchimoto | 52.70 | 10 | BB Min | A: 48.79 (+3.91s | 7.4%) | Maui Dolphins Swim Club | 04/19/2026 | 2026 MAGSA LCM A1 Meet | |
| 528 | Kaitlyn Mitchell | 52.72 | 8 | BB Min | A: 48.79 (+3.93s | 7.5%) | Fast Falcons | 04/11/2026 | 2026 Stingrays Early LCM Season Opener | |
| 529 | Sandrine Pells-Wehner | 52.72 | 10 | BB Min | A: 48.79 (+3.93s | 7.5%) | Montclair Swim Team | 06/07/2025 | Orinda Aquatics LC C B BB+ Meet | |
| 530 | Vivian Hall | 52.74 | 10 | BB Min | A: 48.79 (+3.95s | 7.5%) | Univ. of Denver Hilltoppers | 05/16/2026 | 2026 CO Hilltopper Invite | |
| 531 | Aubreigh Broome | 52.76 | 9 | BB Min | A: 48.79 (+3.97s | 7.5%) | Southwest Stars Swim Club | 05/15/2026 | 2026 PA Long Course Invite | |
| 532 | Felicity Van der Staay | 52.77 | 10 | BB Min | A: 48.79 (+3.98s | 7.5%) | Palo Alto Stanford Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 533 | Shirley Bin | 52.77 | 10 | BB Min | A: 48.79 (+3.98s | 7.5%) | Milpitas Aquatic Club | 06/28/2024 | 2024 Valley Splash Zone 1S LCM C B A+ | |
| 534 | Evangelina Sazonova | 52.79 | 10 | BB Min | A: 48.79 (+4.00s | 7.6%) | Florida Elite Swimming | 05/15/2026 | 2026 FAST May Invite | |
| 535 | Maja Anderson | 52.80 | 10 | BB Min | A: 48.79 (+4.01s | 7.6%) | Barracuda Aquatics Club | 05/08/2026 | 2026 MN STRM Spring Startup | |
| 536 | Maria Nechayev | 52.81 | 10 | BB Min | A: 48.79 (+4.02s | 7.6%) | Olympic Cascade Aquatics | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 537 | Norah Klasic | 52.81 | 10 | BB Min | A: 48.79 (+4.02s | 7.6%) | St Croix Swim Club | 05/10/2025 | 2025 MN HURR LC Spring Opener | |
| 538 | Eliza Mohr | 52.81 | 10 | BB Min | A: 48.79 (+4.02s | 7.6%) | Team Eugene Aquatics | 05/08/2026 | Bend Swim Club May Invitational 2026 | |
| 539 | Paige Curtis | 52.81 | 10 | BB Min | A: 48.79 (+4.02s | 7.6%) | Coeur D\\\\\\'alene Area Swim Team | 04/17/2026 | 2026 Shark Attack Copied | |
| 540 | Lily Sun | 52.83 | 9 | BB Min | A: 48.79 (+4.04s | 7.6%) | Cascade Swim Club | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 541 | McKenzie Beasley | 52.83 | 10 | BB Min | A: 48.79 (+4.04s | 7.6%) | SwimRise Aquatics | 04/10/2026 | 2026 April Classic | |
| 542 | Anj Messersmith | 52.88 | 9 | BB Min | A: 48.79 (+4.09s | 7.7%) | Island Aquatics | 05/02/2026 | 2026 MAGSA LCM B 1 Meet | |
| 543 | Lena Wang | 52.88 | 10 | BB Min | A: 48.79 (+4.09s | 7.7%) | St. Lawrence Swim Team | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 544 | Alyssa Yu | 52.88 | 9 | BB Min | A: 48.79 (+4.09s | 7.7%) | Waterloo Swimming | 05/08/2026 | 2026 ST ASC Cinco De Mayo | |
| 545 | Elissa Justice | 52.89 | 9 | BB Min | A: 48.79 (+4.10s | 7.8%) | Life Time Colorado Swim Club | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 546 | Taylor Greim | 52.89 | 10 | BB Min | A: 48.79 (+4.10s | 7.8%) | Hydra Aquatics | 06/27/2025 | 2025 55th FREEDLANDER MEET | |
| 547 | Samantha Millen | 52.90 | 10 | BB Min | A: 48.79 (+4.11s | 7.8%) | Lakeshore Swim Club | 07/24/2025 | 2025 LE Age Group And Senior LC Championships | |
| 548 | Alexandra Jackson | 52.90 | 10 | BB Min | A: 48.79 (+4.11s | 7.8%) | Jupiter Dragons Swim Team | 05/08/2026 | 2026 Wellington May Long Course Meet | |
| 549 | Celina Besana | 52.91 | 9 | BB Min | A: 48.79 (+4.12s | 7.8%) | Waikoloa Swim Club | 05/16/2026 | BIG ISLAND SWIMMING @ KCAC | |
| 550 | Aria Kumar | 52.92 | 9 | BB Min | A: 48.79 (+4.13s | 7.8%) | Beaverton Area Aquatics Club | 05/01/2026 | 2026 THSC Spring 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.