Western Zone Zone Boys 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 | Kai Kitamori | 47.04 | 10 | BB Min | A: 42.09 (+4.95s | 10.5%) | East Bay Bat Rays | 11/08/2025 | Albany Armada Aquatics C B BB+ Meet | |
| 602 | Ahaan Maknojia | 47.04 | 9 | BB Min | A: 42.09 (+4.95s | 10.5%) | Issaquah Swim Team | 03/06/2026 | 2026 BBST Seize The Day Invitational | |
| 603 | Lucas Hernandez | 47.04 | 9 | BB Min | A: 42.09 (+4.95s | 10.5%) | Bellevue Club Swim Team | 11/07/2025 | 2025 THSC November Open | |
| 604 | Connor Lehman | 47.06 | 10 | BB Min | A: 42.09 (+4.97s | 10.6%) | Sea Lions Swim Team | 02/07/2026 | 2026 OR HEAT BC Blastoff | |
| 605 | Raizo Copp | 47.07 | 10 | BB Min | A: 42.09 (+4.98s | 10.6%) | King Aquatic Club | 12/06/2025 | 2025 PN Fall Divisionals, Division 1 OCA | |
| 606 | Cash Bailey | 47.07 | 10 | BB Min | A: 42.09 (+4.98s | 10.6%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 607 | Graham Brinker | 47.07 | 9 | BB Min | A: 42.09 (+4.98s | 10.6%) | Star Aquatics | 10/03/2025 | 2025 STAR September Friday Night At The Races | |
| 608 | Kekalaholuokekaipueo Hanson | 47.09 | 9 | BB Min | A: 42.09 (+5.00s | 10.6%) | Punahou Aquatics Institute | 11/09/2025 | OSL A+ SCY Meet | |
| 609 | McGuire Hart | 47.10 | 10 | BB Min | A: 42.09 (+5.01s | 10.6%) | Cache Valley Marlins | 12/18/2025 | December Intrasquad | |
| 610 | Keller Kirkpatrick | 47.13 | 9 | BB Min | A: 42.09 (+5.04s | 10.7%) | Lake Oswego Swim Club | 03/19/2026 | 2026 NW Region Age Group Champs Approved | |
| 611 | Elliot Gorman | 47.13 | 10 | BB Min | A: 42.09 (+5.04s | 10.7%) | Front Range Barracudas | 02/13/2026 | 2026 CO NJ Groundhog Invite | |
| 612 | Oliver Song Zhang | 47.14 | 10 | BB Min | A: 42.09 (+5.05s | 10.7%) | West Coast Aquatics | 02/07/2026 | 2026 PN IST Feb Winter Invitational Approved | |
| 613 | Jay Kowren | 47.17 | 10 | BB Min | A: 42.09 (+5.08s | 10.8%) | Bainbridge Island Swim Club | 01/31/2026 | 2026 PN BISC Bluefin Invitational | |
| 614 | Andres Velazquez | 47.18 | 9 | BB Min | A: 42.09 (+5.09s | 10.8%) | Pro Swimming | 03/28/2026 | 2026 PN Spring Showdown, Div1 Approved | |
| 615 | Jeremy Lyu | 47.19 | 9 | BB Min | A: 42.09 (+5.10s | 10.8%) | Wave Aquatics | 03/28/2026 | 2026 PN Spring Showdown, Div 4 Approved | |
| 616 | Jason Buhr | 47.22 | 10 | BB Min | A: 42.09 (+5.13s | 10.9%) | Pikes Peak Athletics | 02/20/2026 | 2026 CO PPA February Frenzy Last Chance Meet | |
| 617 | Harrison Tian | 47.24 | 9 | BB Min | A: 42.09 (+5.15s | 10.9%) | San Ramon Valley Aquatics | 01/31/2026 | Zone 2 Winter Championship Meet | |
| 618 | Aaron Yang | 47.24 | 10 | BB Min | A: 42.09 (+5.15s | 10.9%) | Wave Aquatics | 11/22/2025 | 2025 PN Nov AGI, Division 2 (SMAC) | |
| 619 | Owen Morton | 47.25 | 10 | BB Min | A: 42.09 (+5.16s | 10.9%) | Tri-city Channel Cats | 01/31/2026 | 2026 Winter Open | |
| 620 | David Son | 47.25 | 9 | BB Min | A: 42.09 (+5.16s | 10.9%) | Mission Aurora Colorado Swimmi | 12/12/2025 | 2025 CO NJ Blizzard Invite | |
| 621 | Jaden Manalastas | 47.26 | 9 | BB Min | A: 42.09 (+5.17s | 10.9%) | South San Francisco Aquatics | 11/14/2025 | PSL Pumpkin Spice Lovers 25 129 | |
| 622 | Holten Lawrence | 47.26 | 9 | BB Min | A: 42.09 (+5.17s | 10.9%) | The Dalles Swim Team | 08/08/2025 | 2025 OR NST Seahorse Invitational | |
| 623 | Talan Zimmerman | 47.28 | 10 | BB Min | A: 42.09 (+5.19s | 11.0%) | Kona Dolphins Swim Club | 03/07/2026 | 2026 HI Junior Age Group SCY Championship | |
| 624 | Harry Huynh | 47.28 | 10 | BB Min | A: 42.09 (+5.19s | 11.0%) | Sunnyvale Swim Club | 01/24/2026 | 2026 Zone 1 North Championships | |
| 625 | Vishnu Srinivasan | 47.28 | 10 | BB Min | A: 42.09 (+5.19s | 11.0%) | California Dolphins Swim Team | 03/07/2026 | SRVA Last Chance Meet B BB+ | |
| 626 | Noah Gonzales | 47.29 | 10 | BB Min | A: 42.09 (+5.20s | 11.0%) | South San Francisco Aquatics | 01/10/2026 | SSF NEW YEAR SPLASH C B A+ | |
| 627 | George Gray | 47.30 | 10 | BB Min | A: 42.09 (+5.21s | 11.0%) | Portland Aquatic Club | 12/13/2025 | 2025 OR HEAT Winter Invitational | |
| 628 | Aleksander Zuev | 47.31 | 9 | BB Min | A: 42.09 (+5.22s | 11.0%) | Foothills Swim Team | 03/06/2026 | 2026 CO 14 U Silver State | |
| 629 | Xavier Anderson | 47.32 | 9 | BB Min | A: 42.09 (+5.23s | 11.1%) | Albany Aquatic Association | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 630 | Finn Blakeslee | 47.34 | 10 | BB Min | A: 42.09 (+5.25s | 11.1%) | Hood River Valley Swim Team | 02/06/2026 | Legacy Aquatics Spring Qualifier | |
| 631 | Bryce Bowman | 47.34 | 10 | BB Min | A: 42.09 (+5.25s | 11.1%) | Mission Viejo Nadadores | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 632 | Ilan Rattner | 47.35 | 9 | BB Min | A: 42.09 (+5.26s | 11.1%) | Sunnyvale Swim Club | 03/07/2026 | DACA CBA Meet | |
| 633 | Watson She | 47.36 | 9 | BB Min | A: 42.09 (+5.27s | 11.1%) | Bellevue Club Swim Team | 03/06/2026 | 2026 BBST Seize The Day Invitational | |
| 634 | Kingston Walls | 47.38 | 8 | BB Min | A: 42.09 (+5.29s | 11.2%) | Walnut Creek Aquabears | 09/27/2025 | Orinda Aquatics SC C B BB+ Meet | |
| 635 | Miles Edwards | 47.38 | 9 | BB Min | A: 42.09 (+5.29s | 11.2%) | Excel Aquatics | 02/27/2026 | 2026 SE Southeastern Winter SC Championships | |
| 636 | Jun Lin | 47.38 | 8 | BB Min | A: 42.09 (+5.29s | 11.2%) | Seattle Metropolitan Aquatic C | 03/28/2026 | 2026 PN Spring Showdown, Div 2 Approved | |
| 637 | Shayan Sarkar | 47.41 | 9 | BB Min | A: 42.09 (+5.32s | 11.2%) | Diablo Aquatics | 03/07/2026 | SRVA Last Chance Meet B BB+ | |
| 638 | Noah Jagdev | 47.43 | 10 | BB Min | A: 42.09 (+5.34s | 11.3%) | San Ramon Valley Aquatics | 03/07/2026 | SRVA Last Chance Meet B BB+ | |
| 639 | Carter Schwenk | 47.43 | 10 | BB Min | A: 42.09 (+5.34s | 11.3%) | Burlingame Aquatics | 03/28/2026 | Alto Rock The Blocks Invitational 2026 | |
| 640 | Zaddik Fan | 47.43 | 10 | BB Min | A: 42.09 (+5.34s | 11.3%) | Alto Swim Club | 02/07/2026 | Alto Feb 7 8 CBA Valentines Day | |
| 641 | Nixon Lo | 47.44 | 8 | BB Min | A: 42.09 (+5.35s | 11.3%) | Santa Clara Swim Club | 03/28/2026 | Swim South Bay | |
| 642 | Hayk Asatryan | 47.45 | 10 | BB Min | A: 42.09 (+5.36s | 11.3%) | Milpitas Aquatic Club | 09/27/2025 | 2025 MAC Season Kick Off | |
| 643 | Sebastian Montagnino | 47.45 | 10 | BB Min | A: 42.09 (+5.36s | 11.3%) | Aquabear Swim Club | 02/13/2026 | 34th Annual Lost Dutchman Invitational | |
| 644 | David Renko | 47.46 | 9 | BB Min | A: 42.09 (+5.37s | 11.3%) | Wasatch Front Fish Market | 12/29/2025 | 60th Kearns Holiday Open Invitational | |
| 645 | Vladimir Yegorov | 47.47 | 10 | BB Min | A: 42.09 (+5.38s | 11.3%) | Lake Oswego Swim Club | 03/14/2026 | 2026 John Haring Memorial BC Showdown | |
| 646 | Kaimana Zablan | 47.47 | 10 | BB Min | A: 42.09 (+5.38s | 11.3%) | Waikoloa Swim Club | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 647 | Martin Li | 47.48 | 9 | BB Min | A: 42.09 (+5.39s | 11.4%) | Wave Aquatics | 03/28/2026 | 2026 PN Spring Showdown, Div 4 Approved | |
| 648 | Trevor Lipscomb | 47.48 | 10 | BB Min | A: 42.09 (+5.39s | 11.4%) | Corvallis Aquatic Team | 03/14/2026 | 2026 CAT Spring Invite | |
| 649 | Griffin Ketchen | 47.49 | 9 | BB Min | A: 42.09 (+5.40s | 11.4%) | Iolani Swim Club | 12/06/2025 | 45th Annual Ken Suenaga Invitational (SCY) | |
| 650 | Jameson Martin | 47.50 | 10 | BB Min | A: 42.09 (+5.41s | 11.4%) | Gold Medal Swim Club | 02/13/2026 | 34th Annual Lost Dutchman 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.