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 | Ocean Zeng | 48.95 | 10 | BB Min | A: 48.79 (+0.16s | 0.3%) | Sailfish | 07/09/2026 | 2026 ST NIST LC STAGS | |
| 452 | Vivian Johnson | 48.96 | 8 | BB Min | A: 48.79 (+0.17s | 0.3%) | Hastings Area Swim Team | 06/26/2026 | 2026 MN PRNH Summer Chomp | |
| 453 | Zeni Dorsett | 48.97 | 10 | BB Min | A: 48.79 (+0.18s | 0.4%) | Blue Waves Swim Club | 04/11/2026 | 2026 Fox April Long Course Invitational | |
| 454 | Veliane Amoah | 48.98 | 10 | BB Min | A: 48.79 (+0.19s | 0.4%) | YMCA of Greater Nashua Storm | 07/17/2026 | 2026 NE MST ESC LCM 12 Under Championship | |
| 455 | Alice Urick | 48.98 | 9 | BB Min | A: 48.79 (+0.19s | 0.4%) | Sea Devils | 07/17/2026 | 2026 MN TUNA LC MRC | |
| 456 | McKenzie Ryan | 48.98 | 10 | BB Min | A: 48.79 (+0.19s | 0.4%) | Commonwealth Swimming | 05/16/2026 | 2026 NE CS Spring Fever | |
| 457 | Josephine Whitcomb | 48.99 | 10 | BB Min | A: 48.79 (+0.20s | 0.4%) | Edina Swim Club | 06/05/2026 | 2026 MN NSAC Summer Invite | |
| 458 | Bella Salazar | 49.00 | 10 | BB Min | A: 48.79 (+0.21s | 0.4%) | Unattached | 08/06/2026 | 2026 CZ 14 U Championship Meet MN | |
| 459 | Anya Reckhow | 49.00 | 8 | BB Min | A: 48.79 (+0.21s | 0.4%) | Cascade Swim Club | 06/19/2026 | 2026 IE VS Starlight Open (USAS) | |
| 460 | Aria Freeman | 49.01 | 9 | BB Min | A: 48.79 (+0.22s | 0.4%) | Asphalt Green Unified Aquatics | 08/06/2025 | 2025 Summer Elite Showcase | |
| 461 | Gwendolen Bowen | 49.01 | 10 | BB Min | A: 48.79 (+0.22s | 0.4%) | Unattached | 08/06/2026 | 2026 CZ 14 U Championship Meet MN | |
| 462 | Kora Kennon | 49.02 | 10 | BB Min | A: 48.79 (+0.23s | 0.5%) | Battlefield Area Star Swimmers | 06/19/2026 | 2026 Firefish June Jam | |
| 463 | Emily Yoon | 49.02 | 9 | BB Min | A: 48.79 (+0.23s | 0.5%) | Sierra Marlins Swim Team | 05/23/2026 | 2026 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 464 | Hattie Amsel | 49.02 | 10 | BB Min | A: 48.79 (+0.23s | 0.5%) | Nitro Swimming | 06/11/2026 | 2026 ST NIST George Block Invitational | |
| 465 | Jesslyn Yong | 49.02 | 10 | BB Min | A: 48.79 (+0.23s | 0.5%) | Palo Alto Stanford Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 466 | Bailey Seitz | 49.03 | 9 | BB Min | A: 48.79 (+0.24s | 0.5%) | Northern KY Clippers | 07/16/2026 | 2026 Kentucky Swimming LC Championship 2 Co | |
| 467 | Lily Lannin | 49.03 | 9 | BB Min | A: 48.79 (+0.24s | 0.5%) | Seattle Metropolitan Aquatic C | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 468 | Bella Chen | 49.03 | 9 | BB Min | A: 48.79 (+0.24s | 0.5%) | Bellevue Club Swim Team | 07/23/2026 | 2026 PN 12 U Long Course Championships Appro | |
| 469 | Evelyn Kurth | 49.04 | 10 | BB Min | A: 48.79 (+0.25s | 0.5%) | Alamo Heights Aquatic Club ? A | 05/15/2026 | 2026 ST NIST Salute To The Troops | |
| 470 | Emerie Kimball | 49.05 | 10 | BB Min | A: 48.79 (+0.26s | 0.5%) | Sussex County YMCA | 05/09/2026 | 2026 CAT May The Splash Be With You | |
| 471 | Avery Oneill | 49.06 | 10 | BB Min | A: 48.79 (+0.27s | 0.6%) | Parkway-Rockwood Gateway Swim | 07/23/2026 | 2026 Ozark Long Course Champs Copied | |
| 472 | Jacqueline Redding | 49.07 | 10 | BB Min | A: 48.79 (+0.28s | 0.6%) | Unattached | 06/19/2026 | 2026 MultiCultural Zones | |
| 473 | Penelope Harris | 49.10 | 10 | BB Min | A: 48.79 (+0.31s | 0.6%) | Naval Academy Aquatic Club | 07/29/2026 | 2026 MD LSC LC Championship | |
| 474 | Emma Nakano | 49.10 | 10 | BB Min | A: 48.79 (+0.31s | 0.6%) | Olympic Cascade Aquatics | 07/10/2026 | 2026 PN OCA Last Chance Invitational Approve | |
| 475 | Aine Fahy | 49.11 | 10 | BB Min | A: 48.79 (+0.32s | 0.7%) | Harbour Amateur Swim Club | 06/19/2026 | 2026 GCST MARK MCCAW SUMMER INVITE | |
| 476 | Mirabelle Bauman | 49.13 | 10 | BB Min | A: 48.79 (+0.34s | 0.7%) | Bolles School Sharks | 07/09/2026 | 2026 FL Summer Age Group Championships | |
| 477 | Cristiana Neofytou | 49.14 | 9 | BB Min | A: 48.79 (+0.35s | 0.7%) | Alto Swim Club | 06/20/2026 | Alto Summer Swelter | |
| 478 | Emma Copeland | 49.14 | 10 | BB Min | A: 48.79 (+0.35s | 0.7%) | East Hartford YMCA | 06/20/2026 | 2026 NE NSSC Invitational Springfield College | |
| 479 | Emma Wang | 49.16 | 9 | BB Min | A: 48.79 (+0.37s | 0.8%) | White Water | 07/23/2026 | 2026 NJ Swim LC Gold Championships | |
| 480 | Simone Murray | 49.16 | 9 | BB Min | A: 48.79 (+0.37s | 0.8%) | Jupiter Dragons Swim Team | 07/10/2026 | 2026 FG LCM BB Champs North | |
| 481 | Alara Petricka | 49.16 | 10 | BB Min | A: 48.79 (+0.37s | 0.8%) | Front Range Barracudas | 07/10/2026 | 2026 CO NCS Gold District Championships | |
| 482 | Ayumi Sario | 49.18 | 9 | BB Min | A: 48.79 (+0.39s | 0.8%) | Brea Aquatics | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 483 | Mackenzie Bernier | 49.18 | 10 | BB Min | A: 48.79 (+0.39s | 0.8%) | Seattle Metropolitan Aquatic C | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 484 | Keira Hunter | 49.19 | 9 | BB Min | A: 48.79 (+0.40s | 0.8%) | Planet Swim Aquatics | 07/24/2026 | 2026 Area 1 LCM Championships | |
| 485 | Riley Hom | 49.19 | 10 | BB Min | A: 48.79 (+0.40s | 0.8%) | Daly City Dolphins | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | |
| 486 | Alexa Rodde | 49.20 | 10 | BB Min | A: 48.79 (+0.41s | 0.8%) | Burlingame Aquatics | 06/20/2026 | Alto Summer Swelter | |
| 487 | Kahikinakealohilani Manfre | 49.20 | 9 | BB Min | A: 48.79 (+0.41s | 0.8%) | Punahou Aquatics Institute | 07/16/2026 | 2026 HISI LCM Championships | |
| 488 | Emelia Johnson | 49.20 | 10 | BB Min | A: 48.79 (+0.41s | 0.8%) | South East Metro Sharks | 05/28/2026 | 2026 MN WOLF HUFF N PUFF INVITE | |
| 489 | Genevieve Court | 49.20 | 10 | BB Min | A: 48.79 (+0.41s | 0.8%) | SlipStream Aquatics | 06/18/2026 | 2026 CO Grand Junction Invitational | |
| 490 | Kyla Silva | 49.21 | 10 | BB Min | A: 48.79 (+0.42s | 0.9%) | Lifetime | 07/17/2026 | 2026 NE MST ESC LCM 12 Under Championship | |
| 491 | Kyla Parnell | 49.21 | 10 | BB Min | A: 48.79 (+0.42s | 0.9%) | Pacific Swim | 07/23/2026 | 2026 SI LC AGE GROUP CHAMPIONSHIPS | |
| 492 | Melody Xu | 49.22 | 10 | BB Min | A: 48.79 (+0.43s | 0.9%) | Life Time Arizona Swim Team | 07/30/2026 | Long Course Far Westerns | |
| 493 | Alice Tinetti | 49.22 | 10 | BB Min | A: 48.79 (+0.43s | 0.9%) | Mission Aurora Colorado Swimmi | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 494 | Riley Suksumrit | 49.22 | 10 | BB Min | A: 48.79 (+0.43s | 0.9%) | North Coast Aquatics | 05/23/2026 | SI 2026 TAC CSTE All Ages NTS Meet | |
| 495 | Fiona Walsh | 49.22 | 10 | BB Min | A: 48.79 (+0.43s | 0.9%) | Denver Triton Swim Team | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 496 | Hannah Linowska | 49.23 | 10 | BB Min | A: 48.79 (+0.44s | 0.9%) | Olympic Cascade Aquatics | 05/29/2026 | 2026 TRI CITY INVITATIONAL | |
| 497 | Nayeon Kim | 49.25 | 10 | BB Min | A: 48.79 (+0.46s | 0.9%) | Tualatin Hills Swim Club | 05/22/2026 | 2026 THSC Memorial Weekend Meet | |
| 498 | Natalie Chozick | 49.25 | 9 | BB Min | A: 48.79 (+0.46s | 0.9%) | Capital of Texas Aquatics | 06/26/2026 | 2026 NEAT Long Course STX Championship | |
| 499 | Hadley Tinnell | 49.26 | 10 | BB Min | A: 48.79 (+0.47s | 1.0%) | Firefish Aquatics | 06/05/2026 | HNVR Storm Surge 2026 | |
| 500 | Yiran Dong | 49.26 | 10 | BB Min | A: 48.79 (+0.47s | 1.0%) | Pacific Dragons Swim Team | 07/10/2026 | 2026 PN OCA Last Chance Invitational Approve | |
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.