Western Zone Zone Girls 10 & under - 50 Y Breast
These rankings show the swimmers' placement within their Zone.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 | Helena Bowen | 47.33 | 10 | BB Min | A: 42.79 (+4.54s | 9.6%) | Palo Alto Stanford Aquatics | 03/07/2026 | 2026 PASA Last Chance For JO S | |
| 502 | Andie Villanueva | 47.33 | 9 | BB Min | A: 42.79 (+4.54s | 9.6%) | Splash Aquatics | 03/07/2026 | 2026 HI Junior Age Group SCY Championship | |
| 503 | Ellyson Bridges | 47.34 | 9 | BB Min | A: 42.79 (+4.55s | 9.6%) | North Jeffco Swim Team | 02/13/2026 | 2026 CO NJ Groundhog Invite | |
| 504 | Nina Rogovoy | 47.34 | 10 | BB Min | A: 42.79 (+4.55s | 9.6%) | Jbarracudas Swim Team | 03/21/2026 | 2026 SI CAST All Ages NTS Meet South | |
| 505 | Maya Kiryanov | 47.35 | 10 | BB Min | A: 42.79 (+4.56s | 9.6%) | Wind N Sea Swim Team | 08/08/2026 | 2026 SI WIND All Ages NTS Wrap Up Meet | |
| 506 | Liana Ybanez | 47.36 | 10 | BB Min | A: 42.79 (+4.57s | 9.6%) | Brentwood Seawolves | 11/08/2025 | Brentwood Seawolves SCY C B BB+ | |
| 507 | Olivia Shieh | 47.40 | 10 | BB Min | A: 42.79 (+4.61s | 9.7%) | Lake Oswego Swim Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 508 | Callie Xu | 47.40 | 10 | BB Min | A: 42.79 (+4.61s | 9.7%) | Spokane Waves Aquatic Team | 02/13/2026 | (Pullman) 2026 IES Jr Champs | |
| 509 | Helen Zhang | 47.40 | 10 | BB Min | A: 42.79 (+4.61s | 9.7%) | California Dolphins Swim Team | 07/25/2026 | Zone 2 Summer Championships | |
| 510 | Elizabeth Jiao | 47.41 | 10 | BB Min | A: 42.79 (+4.62s | 9.7%) | Seattle Metropolitan Aquatic C | 03/28/2026 | 2026 PN Spring Showdown, Div 2 Approved | |
| 511 | McKinley Whitaker | 47.41 | 10 | BB Min | A: 42.79 (+4.62s | 9.7%) | Aspire Aquatics of Colorado | 02/13/2026 | 2026 CO NJ Groundhog Invite | |
| 512 | Nora Pei | 47.42 | 10 | BB Min | A: 42.79 (+4.63s | 9.8%) | Albany Armada Aquatics | 07/10/2026 | Redwood Empire Swim League Championship | |
| 513 | Alexa Copa-Brzozowski | 47.43 | 8 | BB Min | A: 42.79 (+4.64s | 9.8%) | Excel Aquatics | 02/21/2026 | 2026 SES Region 1 8 And Under Championships | |
| 514 | Maddy Walker | 47.44 | 10 | BB Min | A: 42.79 (+4.65s | 9.8%) | Spokane Sea Serpents | 11/21/2025 | 2025 Adam England Memorial Fall Splash | |
| 515 | Aviana Sajuthi-Leach | 47.47 | 8 | BB Min | A: 42.79 (+4.68s | 9.9%) | Bay Club Panthers | 03/07/2026 | BAC Race To AGCs | |
| 516 | Olivia Nerida | 47.48 | 10 | BB Min | A: 42.79 (+4.69s | 9.9%) | North Coast Aquatics | 01/31/2026 | 2026 SI HSA All Ages NTS Meet | |
| 517 | Emery Keatley | 47.49 | 10 | BB Min | A: 42.79 (+4.70s | 9.9%) | North Bay Aquatics | 11/08/2025 | TCA PC November SC C B A+ | |
| 518 | Kirsten Peredo | 47.51 | 9 | BB Min | A: 42.79 (+4.72s | 9.9%) | South San Francisco Aquatics | 03/28/2026 | PSL March CBA+ | |
| 519 | Maya Losada-Tweedell | 47.51 | 8 | BB Min | A: 42.79 (+4.72s | 9.9%) | Neptune Swimming | 01/17/2026 | PC PRNA Final Splash To The Championship CBA+ | |
| 520 | Jasmine Dao | 47.51 | 10 | BB Min | A: 42.79 (+4.72s | 9.9%) | Adrienne C Nelson | 02/15/2025 | 2025 OR HS 6a 4 | |
| 521 | Riley Hom | 47.52 | 10 | BB Min | A: 42.79 (+4.73s | 10.0%) | Daly City Dolphins | 01/10/2026 | SSF NEW YEAR SPLASH C B A+ | |
| 522 | Evelyn Fei | 47.53 | 10 | BB Min | A: 42.79 (+4.74s | 10.0%) | Palo Alto Stanford Aquatics | 07/26/2026 | 2026 PASA Summer Palooza | |
| 523 | Olivia Volzer | 47.53 | 10 | BB Min | A: 42.79 (+4.74s | 10.0%) | Clearfield City Aquatic Team | 11/06/2025 | 2025 OA Thanksgiving Turkey Meet | |
| 524 | Elle Chow | 47.56 | 10 | BB Min | A: 42.79 (+4.77s | 10.0%) | North Bay Aquatics | 03/07/2026 | Napa Valley Swim Team Swimming Towards Spring | |
| 525 | Paige Curtis | 47.56 | 10 | BB Min | A: 42.79 (+4.77s | 10.0%) | Coeur D\\\\\\'alene Area Swim Team | 01/16/2026 | 2026 Hells Canyon Invitational | |
| 526 | Reese Turra | 47.57 | 10 | BB Min | A: 42.79 (+4.78s | 10.0%) | SlipStream Aquatics | 03/06/2026 | 2026 CO 14 U Silver State | |
| 527 | Cora Kallas | 47.57 | 10 | BB Min | A: 42.79 (+4.78s | 10.0%) | Wasatch Front Fish Market | 12/29/2025 | 60th Kearns Holiday Open Invitational | |
| 528 | Aurora Brodeur | 47.58 | 10 | BB Min | A: 42.79 (+4.79s | 10.1%) | California Capital Aquatics | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 529 | Keegan Soley | 47.58 | 9 | BB Min | A: 42.79 (+4.79s | 10.1%) | Maui Dolphins Swim Club | 05/16/2026 | 2026 MAGSA 12 U ABC And Special Olympics Meet | |
| 530 | Arya Nicoara | 47.58 | 9 | BB Min | A: 42.79 (+4.79s | 10.1%) | King Aquatic Club | 03/28/2026 | 2026 PN Spring Showdown, Div 4 Approved | |
| 531 | Nia Liu | 47.58 | 9 | BB Min | A: 42.79 (+4.79s | 10.1%) | Pacific Dragons Swim Team | 11/22/2025 | 2025 PN November AGI Div 1 (PDST) | |
| 532 | Maddy Walker | 47.60 | 10 | BB Min | A: 42.79 (+4.81s | 10.1%) | Spokane Sea Serpents | 01/16/2026 | 2026 Hells Canyon Invitational | |
| 533 | Maya Hall | 47.60 | 10 | BB Min | A: 42.79 (+4.81s | 10.1%) | South San Francisco Aquatics | 07/25/2026 | 2026 DACA SC CBA Meet | |
| 534 | Holly Tonn | 47.60 | 10 | BB Min | A: 42.79 (+4.81s | 10.1%) | The Dalles Swim Team | 02/07/2026 | 2026 OR HEAT BC Blastoff | |
| 535 | Adriana Matousek | 47.61 | 9 | BB Min | A: 42.79 (+4.82s | 10.1%) | Longmont Swim Club | 07/09/2026 | 2026 CO NCS 10 U Summer Festival | |
| 536 | Mela Villalon Hunhoff | 47.62 | 10 | BB Min | A: 42.79 (+4.83s | 10.1%) | Unattached | 11/15/2025 | NVST Swimming Into Fall 2025 | |
| 537 | Olivia Nelson | 47.62 | 10 | BB Min | A: 42.79 (+4.83s | 10.1%) | Seattle Metropolitan Aquatic C | 02/27/2026 | 2026 PN February AGI, Div 1 Approved | |
| 538 | Augusta Mellen | 47.64 | 10 | BB Min | A: 42.79 (+4.85s | 10.2%) | North Jeffco Swim Team | 03/06/2026 | 2026 CO 14 U Silver State | |
| 539 | Jaxsynn Cooley | 47.67 | 10 | BB Min | A: 42.79 (+4.88s | 10.2%) | Sea to Desert Swim Association | 01/31/2026 | 2026 SI HSA All Ages NTS Meet | |
| 540 | Caroline Czisch | 47.68 | 9 | BB Min | A: 42.79 (+4.89s | 10.3%) | Alto Swim Club | 03/07/2026 | DACA CBA Meet | |
| 541 | Lennon Stone | 47.70 | 10 | BB Min | A: 42.79 (+4.91s | 10.3%) | Walnut Creek Aquabears | 11/15/2024 | Pacific Swimming SCY B BB+ Last Chance Meet | |
| 542 | Abigail Gavigan | 47.71 | 10 | BB Min | A: 42.79 (+4.92s | 10.3%) | Bainbridge Island Swim Club | 03/28/2026 | 2026 PN Spring Showdown, Div1 Approved | |
| 543 | Michelle Carrade | 47.71 | 10 | BB Min | A: 42.79 (+4.92s | 10.3%) | Seals Aquatics | 11/02/2024 | NVST Swimming Into Fall | |
| 544 | Olive Brunswick | 47.73 | 9 | BB Min | A: 42.79 (+4.94s | 10.3%) | Rancho San Dieguito | 12/05/2025 | SI 2025 RSD All Ages WAG Max | |
| 545 | Samira Makhzoumi | 47.74 | 9 | BB Min | A: 42.79 (+4.95s | 10.4%) | Palo Alto Stanford Aquatics | 07/10/2026 | Sensational Summer Of 26 Block Party | |
| 546 | Ruyi Yin | 47.75 | 8 | BB Min | A: 42.79 (+4.96s | 10.4%) | Burlingame Aquatics | 03/07/2026 | BAC Race To AGCs | |
| 547 | Grace Farmer | 47.76 | 10 | BB Min | A: 42.79 (+4.97s | 10.4%) | Bellevue Club Swim Team | 11/07/2025 | 2025 THSC November Open | |
| 548 | Paisley MacDonald | 47.76 | 10 | BB Min | A: 42.79 (+4.97s | 10.4%) | Fort Collins Area Swim Team | 02/14/2026 | 2026 CO NCS 10 U Winter Spectacular | |
| 549 | Madelyn Wiesen | 47.77 | 9 | BB Min | A: 42.79 (+4.98s | 10.4%) | Denver Swim Academy | 02/14/2026 | 2026 CO ACES Winter Open | |
| 550 | Elieen Song | 47.78 | 10 | BB Min | A: 42.79 (+4.99s | 10.4%) | Streamliner Aquatics | 12/20/2025 | 2025 BY Candy Cane Invitational | |
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.