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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1601 | Olivia Chen | 53.27 | 9 | B Min | BB: 48.69 (+4.58s | 8.6%) | Tualatin Hills Swim Club | 03/14/2026 | 2026 CAT Spring Invite | |
| 1602 | Ruby Zalewski | 53.27 | 9 | B Min | BB: 48.69 (+4.58s | 8.6%) | Univ. of Denver Hilltoppers | 02/13/2026 | 2026 CO NJ Groundhog Invite | |
| 1603 | Charlotte Ness | 53.27 | 9 | B Min | BB: 48.69 (+4.58s | 8.6%) | Aces Swim Club | 02/14/2026 | 2026 CO ACES Winter Open | |
| 1604 | Zoey Teyler | 53.27 | 10 | B Min | BB: 48.69 (+4.58s | 8.6%) | South Coast Aquatic Team | 01/10/2026 | 2026 SCAT B C Open | |
| 1605 | Ruby Zimmerman | 53.29 | 10 | B Min | BB: 48.69 (+4.60s | 8.6%) | Aquawolves Swimming | 02/15/2025 | 2025 CO AQUA Last Chance Intra Squad | |
| 1606 | Betsy Almazan | 53.30 | 10 | B Min | BB: 48.69 (+4.61s | 8.6%) | Corvallis Aquatic Team | 03/14/2026 | 2026 CAT Spring Invite | |
| 1607 | Caterina Persha | 53.30 | 10 | B Min | BB: 48.69 (+4.61s | 8.6%) | Montclair Swim Team | 03/07/2026 | Napa Valley Swim Team Swimming Towards Spring | |
| 1608 | Gio Lee | 53.32 | 10 | B Min | BB: 48.69 (+4.63s | 8.7%) | DeAnza Cupertino Aquatics | 11/15/2025 | De Anza Cupertino Aquatics CBA+ Meet | |
| 1609 | Suri Zhang | 53.33 | 9 | B Min | BB: 48.69 (+4.64s | 8.7%) | Pacific Swim | 11/02/2024 | 2024 SI JBST BC All Ages | |
| 1610 | Cordelia Allen | 53.35 | 9 | B Min | BB: 48.69 (+4.66s | 8.7%) | Utah Valley Aquatics | 10/23/2025 | Mike Harper Mini Meet | |
| 1611 | Chloe Liu | 53.35 | 9 | B Min | BB: 48.69 (+4.66s | 8.7%) | Albany Armada Aquatics | 09/27/2025 | Orinda Aquatics SC C B BB+ Meet | |
| 1612 | Lucie Neilsen | 53.37 | 9 | B Min | BB: 48.69 (+4.68s | 8.8%) | Lehi Aquatics | 11/01/2025 | Dive Into The Unknown 2025 | |
| 1613 | Ryan Chambers | 53.37 | 9 | B Min | BB: 48.69 (+4.68s | 8.8%) | Denver Swim Academy | 12/12/2025 | 2025 CO FAST Bill Spahn Mid Season Finale | |
| 1614 | Lilyana Lee | 53.38 | 10 | B Min | BB: 48.69 (+4.69s | 8.8%) | Rockville Montgomery Swim Club | 11/14/2025 | 2025 RMSC November Dual Meet | |
| 1615 | Adira Bhullar | 53.38 | 9 | B Min | BB: 48.69 (+4.69s | 8.8%) | Milpitas Aquatic Club | 12/05/2025 | Zone 1S Year End Age Group Champs Minus Meet | |
| 1616 | Eden Guss | 53.38 | 10 | B Min | BB: 48.69 (+4.69s | 8.8%) | Renegade Aquatics | 08/16/2025 | 2025 SI FAST RISING STARS 3 | |
| 1617 | Matilda Garner | 53.38 | 10 | B Min | BB: 48.69 (+4.69s | 8.8%) | Park City Swimming | 10/24/2025 | SSC Witchy Waters 2025 | |
| 1618 | Harriet Martinson | 53.38 | 8 | B Min | BB: 48.69 (+4.69s | 8.8%) | Seattle Metropolitan Aquatic C | 02/27/2026 | 2026 PN February AGI, Div 1 Approved | |
| 1619 | Evanna Jiang | 53.39 | 10 | B Min | BB: 48.69 (+4.70s | 8.8%) | South San Francisco Aquatics | 01/10/2026 | SSF NEW YEAR SPLASH C B A+ | |
| 1620 | Wesley Siebe | 53.40 | 9 | B Min | BB: 48.69 (+4.71s | 8.8%) | Bend Swim Club | 02/14/2026 | 2026 Bend Swim Club Valentines Invitational | |
| 1621 | Evelyn Lang | 53.41 | 9 | B Min | BB: 48.69 (+4.72s | 8.8%) | Bellevue Club Swim Team | 02/01/2025 | 2025 PN BISC Bluefin Invitational | |
| 1622 | Claire Medjuck | 53.42 | 10 | B Min | BB: 48.69 (+4.73s | 8.9%) | Aulea Swim Club | 03/07/2026 | 2026 HI Junior Age Group SCY Championship | |
| 1623 | Ruby Greenland | 53.43 | 10 | B Min | BB: 48.69 (+4.74s | 8.9%) | Cascade Swim Club | 02/01/2026 | 2026 PN CSC February Mini Meet Approved | |
| 1624 | Alessia Steele | 53.43 | 7 | B Min | BB: 48.69 (+4.74s | 8.9%) | Alto Swim Club | 03/07/2026 | DACA CBA Meet | |
| 1625 | Olive Mock | 53.45 | 9 | B Min | BB: 48.69 (+4.76s | 8.9%) | Hills Hurricane Swimming | 02/28/2026 | VJO Rep The Bay C B A+ 2026 Copied | |
| 1626 | Abigail McDermott | 53.45 | 9 | B Min | BB: 48.69 (+4.76s | 8.9%) | Thunder Coast Aquatics | 11/08/2025 | TCA PC November SC C B A+ | |
| 1627 | Mia Fingerhut | 53.46 | 9 | B Min | BB: 48.69 (+4.77s | 8.9%) | Bend Swim Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 1628 | Olivia Chu | 53.47 | 8 | B Min | BB: 48.69 (+4.78s | 8.9%) | Otter Swim Club | 03/28/2026 | LAMV C B A+ Meet | |
| 1629 | Arden Moura | 53.49 | 9 | B Min | BB: 48.69 (+4.80s | 9.0%) | Kamehameha Swim Club | 01/11/2026 | ABC SCY Meet | |
| 1630 | Chloe Lee | 53.49 | 10 | B Min | BB: 48.69 (+4.80s | 9.0%) | SOL Swim Team | 01/31/2026 | 2026 SBA All Ages NTS Meet | |
| 1631 | Elizabeth Deis | 53.50 | 8 | B Min | BB: 48.69 (+4.81s | 9.0%) | Clovis Swim Club | 01/10/2026 | 2026 Clovis Swim Club Winter Open | |
| 1632 | Joanna Rosser | 53.50 | 10 | B Min | BB: 48.69 (+4.81s | 9.0%) | Aulea Swim Club | 03/07/2026 | 2026 HI Junior Age Group SCY Championship | |
| 1633 | Alyssa Zheng | 53.51 | 10 | B Min | BB: 48.69 (+4.82s | 9.0%) | Santa Clara Swim Club | 10/04/2024 | SCSC Pacific Swimming Short Cours C B A+ Meet | |
| 1634 | Grace Pham | 53.51 | 10 | B Min | BB: 48.69 (+4.82s | 9.0%) | Foothills Swim Team | 10/11/2024 | 2024 CO PPA Harvest Heats | |
| 1635 | Adelynn Eichele | 53.51 | 10 | B Min | BB: 48.69 (+4.82s | 9.0%) | The Dolphins Portland Swimming | 12/12/2025 | 2025 FGSC Christmas Invitational | |
| 1636 | Avery Hesterwerth | 53.52 | 9 | B Min | BB: 48.69 (+4.83s | 9.0%) | Aquawolves Swimming | 02/14/2026 | 2026 CO AQUA February Home Meet | |
| 1637 | Emilia Ahn | 53.52 | 9 | B Min | BB: 48.69 (+4.83s | 9.0%) | Quicksilver Swimming | 12/05/2025 | Zone 1S Year End Age Group Champs Minus Meet | |
| 1638 | Isabella Thayer | 53.52 | 10 | B Min | BB: 48.69 (+4.83s | 9.0%) | Elko Swim Team | 12/13/2025 | 2025 UTAH Winter Classic | |
| 1639 | Sofia Elsherif | 53.53 | 10 | B Min | BB: 48.69 (+4.84s | 9.0%) | Maui Dolphins Swim Club | 03/07/2026 | 2026 HI Junior Age Group SCY Championship | |
| 1640 | Gwendolyn Khalil | 53.54 | 10 | B Min | BB: 48.69 (+4.85s | 9.1%) | Issaquah Swim Team | 01/24/2026 | 2026 PN IST January Invitational Approved | |
| 1641 | Ava Li | 53.55 | 8 | B Min | BB: 48.69 (+4.86s | 9.1%) | Santa Clara Swim Club | 03/28/2026 | Swim South Bay | |
| 1642 | Aspen Guest | 53.56 | 10 | B Min | BB: 48.69 (+4.87s | 9.1%) | Legacy Aquatics | 02/01/2025 | CRST Legacy Dual In The Pool | |
| 1643 | Hilary Chen | 53.56 | 10 | B Min | BB: 48.69 (+4.87s | 9.1%) | East Bay Bat Rays | 12/05/2025 | Pacific Swim SC C B BB+ Hosted By TERA | |
| 1644 | Rachel Loudon | 53.57 | 7 | B Min | BB: 48.69 (+4.88s | 9.1%) | Cascade Swim Club | 02/27/2026 | 2026 PN February AGI, Div 1 Approved | |
| 1645 | Sofia Tikhonov | 53.57 | 10 | B Min | BB: 48.69 (+4.88s | 9.1%) | Excel Aquatics | 02/21/2026 | 2026 SES Region 1 8 And Under Championships | |
| 1646 | Emily Fantz | 53.57 | 10 | B Min | BB: 48.69 (+4.88s | 9.1%) | Lake Oswego Swim Club | 02/22/2025 | 2025 Arena Short Course 10 U Championships | |
| 1647 | Olive McCormick | 53.58 | 10 | B Min | BB: 48.69 (+4.89s | 9.1%) | North Jeffco Swim Team | 12/15/2024 | 2024 CO NJ Narwahl Invitational | |
| 1648 | Leah Estes | 53.59 | 9 | B Min | BB: 48.69 (+4.90s | 9.1%) | Madras Swim Team | 02/26/2026 | 2026 Madras Winter Locals Meet | |
| 1649 | Jacquelyn Ngo | 53.59 | 10 | B Min | BB: 48.69 (+4.90s | 9.1%) | Oakland Undercurrent Swim Team | 02/28/2026 | VJO Rep The Bay C B A+ 2026 Copied | |
| 1650 | Alina Anirudh | 53.60 | 10 | B Min | BB: 48.69 (+4.91s | 9.2%) | Alto Swim Club | 02/07/2026 | Alto Feb 7 8 CBA Valentines Day | |
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.