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 | |
|---|---|---|---|---|---|---|---|---|---|
| 601 | Ruyi Yin | 47.75 | 8 | BB Min | A: 42.79 (+4.96s | 10.4%) | Burlingame Aquatics | 03/07/2026 | BAC Race To AGCs | |
| 602 | Amelia Feng | 47.75 | 10 | BB Min | A: 42.79 (+4.96s | 10.4%) | Alto Swim Club | 12/19/2025 | ALTO Candy Cane Classic | |
| 603 | Emmersyn Duffus | 47.75 | 10 | BB Min | A: 42.79 (+4.96s | 10.4%) | Sparks Piranhas Swim Team | 02/06/2026 | 2026 Valentines Day Age Group Open | |
| 604 | Marais Messana | 47.76 | 10 | BB Min | A: 42.79 (+4.97s | 10.4%) | Denver Swim Academy | 01/23/2026 | 2026 CO TOPS Colorado Open | |
| 605 | 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 | |
| 606 | 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 | |
| 607 | 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 | |
| 608 | Elieen Song | 47.78 | 10 | BB Min | A: 42.79 (+4.99s | 10.4%) | Streamliner Aquatics | 12/20/2025 | 2025 BY Candy Cane Invitational | |
| 609 | Charlie Omland | 47.79 | 10 | BB Min | A: 42.79 (+5.00s | 10.5%) | Bozeman Barracudas Swim Team | 12/04/2025 | 2025 Holiday Swim Festival | |
| 610 | Serra Tunagur | 47.79 | 10 | BB Min | A: 42.79 (+5.00s | 10.5%) | San Ramon Valley Aquatics | 03/07/2026 | SRVA Last Chance Meet B BB+ | |
| 611 | Liri Eibschutz | 47.80 | 9 | BB Min | A: 42.79 (+5.01s | 10.5%) | Los Altos Mountain View Aquati | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 612 | Lucy Fronk | 47.80 | 9 | BB Min | A: 42.79 (+5.01s | 10.5%) | South Davis Aquatics Team | 11/21/2025 | 2025 MAC Thanksgiving Invitational | |
| 613 | Mia Wong | 47.80 | 10 | BB Min | A: 42.79 (+5.01s | 10.5%) | Usf Youth Swimming | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 614 | Rylah Clark | 47.81 | 10 | BB Min | A: 42.79 (+5.02s | 10.5%) | Lahaina Swim Club | 02/07/2026 | 2026 MAGSA A B SCY LAST CHANCE MEET | |
| 615 | Maya Vue | 47.81 | 10 | BB Min | A: 42.79 (+5.02s | 10.5%) | Legacy Aquatics | 05/16/2026 | 2026 John DeRoest Sextathlon Swim Meet | |
| 616 | Olivia Liang | 47.82 | 9 | BB Min | A: 42.79 (+5.03s | 10.5%) | Blue Dolphin Swim Team | 01/24/2026 | 2026 PN IST January Invitational Approved | |
| 617 | Irene Choi | 47.83 | 10 | BB Min | A: 42.79 (+5.04s | 10.5%) | Santa Clara Swim Club | 03/28/2026 | Swim South Bay | |
| 618 | Genevieve Flores | 47.84 | 10 | BB Min | A: 42.79 (+5.05s | 10.6%) | Alameda Gators | 05/17/2026 | Montclair 14 Under Short Course Pentathlon | |
| 619 | Elliott Balakas | 47.84 | 9 | BB Min | A: 42.79 (+5.05s | 10.6%) | Aces Swim Club | 03/06/2026 | 2026 CO 14 U Silver State | |
| 620 | Kiana Shakeri | 47.85 | 10 | BB Min | A: 42.79 (+5.06s | 10.6%) | Life Time Oregon Swim Team | 03/14/2026 | 2026 John Haring Memorial BC Showdown | |
| 621 | Summer Polintan | 47.86 | 9 | BB Min | A: 42.79 (+5.07s | 10.6%) | Coronado Swim -team Elite | 01/31/2026 | 2026 SBA All Ages NTS Meet | |
| 622 | Collette Mock | 47.87 | 9 | BB Min | A: 42.79 (+5.08s | 10.6%) | Spare Time Aquatics @ Rio | 11/09/2024 | Folsom Classic 2024 | |
| 623 | Audrey Feng | 47.87 | 9 | BB Min | A: 42.79 (+5.08s | 10.6%) | Burlingame Aquatics | 01/24/2026 | 2026 Zone 1 North Championships | |
| 624 | Ariana Volk | 47.89 | 10 | BB Min | A: 42.79 (+5.10s | 10.6%) | Olympic Cascade Aquatics | 03/28/2026 | 2026 PN Spring Showdown, Div1 Approved | |
| 625 | Ivy Dittman | 47.89 | 10 | BB Min | A: 42.79 (+5.10s | 10.6%) | Apex | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 626 | Seungyeon Park | 47.90 | 10 | BB Min | A: 42.79 (+5.11s | 10.7%) | Issaquah Swim Team | 01/24/2026 | 2026 PN IST January Invitational Approved | |
| 627 | Anna Chogovadze | 47.91 | 9 | BB Min | A: 42.79 (+5.12s | 10.7%) | Mission Aurora Colorado Swimmi | 01/09/2026 | 2026 CO NJ Narwhal Invitational | |
| 628 | Delaney Timmons | 47.92 | 10 | BB Min | A: 42.79 (+5.13s | 10.7%) | Neptune Swimming | 03/28/2026 | SSS Shamrock Showdown CBA+ | |
| 629 | Lillian Dean | 47.92 | 10 | BB Min | A: 42.79 (+5.13s | 10.7%) | Voltage Aquatics | 10/25/2025 | Spook Splash 2025 | |
| 630 | Hosanna Martinez | 47.94 | 10 | BB Min | A: 42.79 (+5.15s | 10.7%) | Ski Hi Aquatics | 06/27/2026 | 2026 CO Montrose Marlins Summer Open | |
| 631 | Amalica Gooze | 47.95 | 10 | BB Min | A: 42.79 (+5.16s | 10.8%) | Cascade Swim Club | 02/27/2026 | 2026 PN February AGI, Div 1 Approved | |
| 632 | Annais Kim | 47.95 | 9 | BB Min | A: 42.79 (+5.16s | 10.8%) | Burlingame Aquatics | 03/07/2026 | BAC Race To AGCs | |
| 633 | Alice Tinetti | 47.97 | 9 | BB Min | A: 42.79 (+5.18s | 10.8%) | Mission Aurora Colorado Swimmi | 02/13/2026 | 2026 CO Loveland Last Chance Sweetheart Meet | |
| 634 | Brooklyn Hagert | 47.98 | 9 | BB Min | A: 42.79 (+5.19s | 10.8%) | North Coast Aquatics | 01/31/2026 | 2026 SI HSA All Ages NTS Meet | |
| 635 | Layla Glass | 47.98 | 10 | BB Min | A: 42.79 (+5.19s | 10.8%) | College Area Swim Team | 01/31/2026 | 2026 SBA All Ages NTS Meet | |
| 636 | Layla Kandil | 47.98 | 9 | BB Min | A: 42.79 (+5.19s | 10.8%) | Hills Hurricane Swimming | 01/31/2026 | Zone 2 Winter Championship Meet | |
| 637 | Makenna Sturgeon | 47.99 | 9 | BB Min | A: 42.79 (+5.20s | 10.8%) | Neptune Swimming | 07/26/2025 | 2025 REAL Championships | |
| 638 | McKenna Lee | 48.00 | 10 | BB Min | A: 42.79 (+5.21s | 10.9%) | SlipStream Aquatics | 12/12/2025 | 2025 CO NJ Blizzard Invite | |
| 639 | Aadhya Sirimamilla | 48.00 | 10 | BB Min | A: 42.79 (+5.21s | 10.9%) | Wave Aquatics | 03/28/2026 | 2026 PN Spring Showdown, Div 4 Approved | |
| 640 | Coco Starn | 48.02 | 10 | BB Min | A: 42.79 (+5.23s | 10.9%) | Punahou Aquatics Institute | 03/07/2026 | 2026 HI Junior Age Group SCY Championship | |
| 641 | Merrick Ogden | 48.02 | 8 | BB Min | A: 42.79 (+5.23s | 10.9%) | King Aquatic Club | 01/31/2026 | 2026 PN KING Beast IMX IMR Invitational Appr | |
| 642 | Esabel Watkins | 48.04 | 9 | BB Min | A: 42.79 (+5.25s | 10.9%) | Aquawolves Swimming | 03/06/2026 | 2026 CO 14 U Silver State | |
| 643 | Lauren Garnier | 48.04 | 10 | BB Min | A: 42.79 (+5.25s | 10.9%) | Walnut Creek Aquabears | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | |
| 644 | Emilia Chang | 48.05 | 10 | BB Min | A: 42.79 (+5.26s | 10.9%) | Burlingame Aquatics | 01/10/2026 | BAC Norman Cutler Memorial | |
| 645 | Kaylie Nishihira | 48.06 | 10 | BB Min | A: 42.79 (+5.27s | 11.0%) | Punahou Aquatics Institute | 10/19/2025 | Aulea Fall Frenzy Meet | |
| 646 | Karina O | 48.07 | 9 | BB Min | A: 42.79 (+5.28s | 11.0%) | Wave Aquatics | 06/19/2026 | 2026 PN SRST Summer Invitational Approved | |
| 647 | Madhuri Mukhram | 48.09 | 10 | BB Min | A: 42.79 (+5.30s | 11.0%) | Bellingham Bay Swim Team | 05/15/2026 | 2026 PN TAC Spring Thunderbird Approved | |
| 648 | Alara Petricka | 48.09 | 10 | BB Min | A: 42.79 (+5.30s | 11.0%) | Front Range Barracudas | 02/08/2025 | 2025 CO NCS 10 U Winter Spectacular | |
| 649 | Sage Lovanhill | 48.10 | 10 | BB Min | A: 42.79 (+5.31s | 11.0%) | Seattle Metropolitan Aquatic C | 02/13/2026 | 2026 PN UPAC 4th Annual Feb Fly In Approved | |
| 650 | Cali Martinez | 48.10 | 9 | BB Min | A: 42.79 (+5.31s | 11.0%) | Nampa Swim Team | 12/06/2025 | Reindeer Games 2025 | |
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.