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 | |
|---|---|---|---|---|---|---|---|---|---|
| 451 | Jooah Pyun | 48.35 | 10 | A Min | AA: 46.49 (+1.86s | 3.8%) | Lone Star Aquatic Club | 06/06/2026 | 2026 ST ASC June Bug | |
| 452 | Arianna Sookal | 48.36 | 10 | A Min | AA: 46.49 (+1.87s | 3.9%) | Cardinal Aquatics | 06/05/2026 | 25th Annual CLPR David Webb Meet | |
| 453 | Emerson Stauder | 48.37 | 10 | A Min | AA: 46.49 (+1.88s | 3.9%) | Firefish Aquatics | 06/05/2026 | HNVR Storm Surge 2026 | |
| 454 | Isabella Tringali | 48.37 | 10 | A Min | AA: 46.49 (+1.88s | 3.9%) | Tac Titans | 07/05/2026 | 2026 TAC July Qualifier Meet | |
| 455 | Miyabi Cambra | 48.38 | 10 | A Min | AA: 46.49 (+1.89s | 3.9%) | Kamehameha Swim Club | 06/06/2026 | 2026 15th Annual Wada Rainbow Invitational | |
| 456 | Ava McDonough | 48.39 | 9 | A Min | AA: 46.49 (+1.90s | 3.9%) | Bolles Swim Camps | 06/18/2026 | 2026 June Classic | |
| 457 | Charlotte Switzer | 48.40 | 10 | A Min | AA: 46.49 (+1.91s | 3.9%) | Williamsburg Aquatic Club | 06/11/2026 | NOVA 2026 Virginia Commonwealth Games | |
| 458 | Sofia La Rosa | 48.40 | 10 | A Min | AA: 46.49 (+1.91s | 3.9%) | Buenaventura Swim Club | 06/11/2026 | 2026 SCS June AG Invite | |
| 459 | Aili Schwartz | 48.40 | 10 | A Min | AA: 46.49 (+1.91s | 3.9%) | Unattached | 05/02/2026 | Alto Spring Jam CBA | |
| 460 | Ameena Makhzoumi | 48.41 | 10 | A Min | AA: 46.49 (+1.92s | 4.0%) | Palo Alto Stanford Aquatics | 06/12/2026 | 2026 DACA LC CBA Meet | |
| 461 | Catherine Gleason | 48.41 | 10 | A Min | AA: 46.49 (+1.92s | 4.0%) | Seattle Metropolitan Aquatic C | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | |
| 462 | Claire Zhang | 48.41 | 10 | A Min | AA: 46.49 (+1.92s | 4.0%) | York Swim Club of Northern Vir | 05/01/2026 | Speedo Spring Splash | |
| 463 | Zara Maleche | 48.42 | 9 | A Min | AA: 46.49 (+1.93s | 4.0%) | Mantas Swim Club | 06/19/2026 | 2026 MN MAN Red White Blue Invite Copied | |
| 464 | Alexa Leyvi | 48.42 | 10 | A Min | AA: 46.49 (+1.93s | 4.0%) | Sarasota Tsunami Swim Team | 05/02/2026 | 2026 Sea Dragon May Open | |
| 465 | Ashlyn Gussin | 48.43 | 9 | A Min | AA: 46.49 (+1.94s | 4.0%) | SwimMAC Carolina | 06/19/2026 | GSA 70th Annual Eastern Invitational | |
| 466 | Nya Ferguson | 48.44 | 9 | A Min | AA: 46.49 (+1.95s | 4.0%) | Swim Coral Springs | 04/18/2026 | SCS Under The Sun Invitational | |
| 467 | Amy Zhang | 48.45 | 10 | A Min | AA: 46.49 (+1.96s | 4.0%) | Sandpipers of Nevada | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 468 | Morgan O'Reilly | 48.45 | 10 | A Min | AA: 46.49 (+1.96s | 4.0%) | Shawmut Aquatic Club | 06/05/2026 | 2026 NE SAC America S Cup Copied | |
| 469 | Raina Manickam | 48.46 | 10 | A Min | AA: 46.49 (+1.97s | 4.1%) | Marlins Of Raleigh | 06/13/2026 | 2026 MOR Liberty Meet | |
| 470 | Natalie Chong | 48.47 | 10 | A Min | AA: 46.49 (+1.98s | 4.1%) | Swim Streamline at Northampton | 07/16/2025 | 2025 Texas Age Group Championships | |
| 471 | Selena Melton | 48.48 | 10 | A Min | AA: 46.49 (+1.99s | 4.1%) | Parkway-Rockwood Gateway Swim | 05/01/2026 | John Traube Memorial 2026 | |
| 472 | Ellie Wang | 48.48 | 9 | A Min | AA: 46.49 (+1.99s | 4.1%) | Santa Clara Swim Club | 06/20/2026 | Zone 1 South Swim Under The Stars | |
| 473 | Miroslava Khodyuk | 48.49 | 10 | A Min | AA: 46.49 (+2.00s | 4.1%) | Shawmut Aquatic Club | 05/01/2026 | 2026 NE CS Spring Fling | |
| 474 | Gwyneth Schumacher | 48.54 | 10 | A Min | AA: 46.49 (+2.05s | 4.2%) | Florida Atlantic Aquatics | 06/26/2026 | 2026 Michael Lohberg Invitational | |
| 475 | Charley Lynch | 48.56 | 10 | A Min | AA: 46.49 (+2.07s | 4.3%) | Sarasota Sharks | 06/11/2026 | 2026 Sarastoa Shark Open | |
| 476 | Harper Ourthiague | 48.56 | 10 | A Min | AA: 46.49 (+2.07s | 4.3%) | Pacific Swim | 04/24/2026 | 2026 SI PS ABB Meet Group A | |
| 477 | Anvika Chirumamilla | 48.57 | 10 | A Min | AA: 46.49 (+2.08s | 4.3%) | Tac Titans | 06/19/2026 | 2026 TAC TITANS Summer Trident Meet | |
| 478 | Abigail Heletz | 48.58 | 10 | A Min | AA: 46.49 (+2.09s | 4.3%) | Unattached | 06/19/2026 | 2026 Firefish June Jam | |
| 479 | Lilly Beck | 48.59 | 9 | A Min | AA: 46.49 (+2.10s | 4.3%) | SwimRVA | 05/29/2026 | 2026 SwimRVA Success Bell | |
| 480 | Stella Kolb | 48.62 | 10 | A Min | AA: 46.49 (+2.13s | 4.4%) | Palm Desert Swim Club | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 481 | Julia LaDuc | 48.62 | 10 | A Min | AA: 46.49 (+2.13s | 4.4%) | Longhorn Aquatics | 06/12/2026 | 2026 ST TXLA Texas Open Invite | |
| 482 | Nora Moore | 48.62 | 10 | A Min | AA: 46.49 (+2.13s | 4.4%) | SwimMAC Carolina | 06/26/2026 | Sharks Aquatic Club Last Chance Qualifier | |
| 483 | An-Yi Khoo | 48.63 | 10 | A Min | AA: 46.49 (+2.14s | 4.4%) | Beach Cities Alpha | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 484 | Enti You | 48.66 | 10 | A Min | AA: 46.49 (+2.17s | 4.5%) | Nitro Swimming | 05/30/2026 | 2026 ST NTRO LC May Splashdown | |
| 485 | Makaela Buccicone | 48.67 | 10 | A Min | AA: 46.49 (+2.18s | 4.5%) | Lake Erie Silver Dolphins | 06/12/2025 | Holtrey Summer Classic | |
| 486 | Otoha Kojima | 48.68 | 10 | A Min | AA: 46.49 (+2.19s | 4.5%) | Aquawolves Swimming | 06/26/2026 | 2026 CO Zone 2 District Meet AAC | |
| 487 | Isabelle Kenney | 48.68 | 10 | A Min | AA: 46.49 (+2.19s | 4.5%) | Old Dominion Aquatic Club | 06/05/2026 | 2026 TIDE Schools Out Classic | |
| 488 | Zoe Xie | 48.68 | 9 | A Min | AA: 46.49 (+2.19s | 4.5%) | Cavalier Aquatics/Piedmont Fam | 06/11/2026 | NOVA 2026 Virginia Commonwealth Games | |
| 489 | Zoe Lau | 48.69 | 9 | A Min | AA: 46.49 (+2.20s | 4.5%) | Dart Swimming | 05/02/2026 | Alto Spring Jam CBA | |
| 490 | Olivia Posegay | 48.69 | 9 | A Min | AA: 46.49 (+2.20s | 4.5%) | Nitro Swimming | 06/11/2026 | 2026 ST NIST George Block Invitational | |
| 491 | Jocelyn Miller | 48.69 | 10 | A Min | AA: 46.49 (+2.20s | 4.5%) | Wave Aquatics | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 492 | Kalia Tan | 48.70 | 10 | A Min | AA: 46.49 (+2.21s | 4.5%) | Punahou Aquatics Institute | 07/03/2026 | 2026 Keo Nakama Swim Meet | |
| 493 | Natalie Williams | 48.70 | 10 | A Min | AA: 46.49 (+2.21s | 4.5%) | South Lake Aquatic Club | 05/22/2026 | 2026 Dr Aspi Doctor Memorial Swim Invite | |
| 494 | Alyssa Tao | 48.70 | 10 | A Min | AA: 46.49 (+2.21s | 4.5%) | Alto Swim Club | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | |
| 495 | Brynn Matthews | 48.71 | 10 | A Min | AA: 46.49 (+2.22s | 4.6%) | Cincinnati Aquatic Club | 05/01/2026 | CLPR 3rd Annual Northern KY Derby | |
| 496 | Janaya Calugas | 48.72 | 10 | A Min | AA: 46.49 (+2.23s | 4.6%) | Cascade Swim Club | 06/19/2026 | 2026 IE VS Starlight Open (USAS) | |
| 497 | Kimberly Hong | 48.73 | 10 | A Min | AA: 46.49 (+2.24s | 4.6%) | Dare Aquatics | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 498 | Abigail Sandy | 48.75 | 10 | A Min | AA: 46.49 (+2.26s | 4.6%) | Pro Swimming | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | |
| 499 | Aisha Yerlanova | 48.75 | 9 | A Min | AA: 46.49 (+2.26s | 4.6%) | Planet Swim Aquatics | 05/16/2026 | 2026 PSA May Invite | |
| 500 | Hadley Shea | 48.75 | 10 | A Min | AA: 46.49 (+2.26s | 4.6%) | North Carolina Aquatic Club | 06/12/2026 | 2026 GCY Sprint And Distance | |
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.