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 | |
|---|---|---|---|---|---|---|---|---|---|
| 551 | Zane Patterson | 48.21 | 9 | B Min | BB: 47.69 (+0.52s | 1.1%) | Kamehameha Swim Club | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 552 | Hampton Hamrick | 48.22 | 10 | B Min | BB: 47.69 (+0.53s | 1.1%) | Tornadoes Swim Team | 10/10/2025 | 2025 OR HEAT Fall Invitational | |
| 553 | Alexandru Varga | 48.23 | 6 | B Min | BB: 47.69 (+0.54s | 1.1%) | Terrapins Swim Team | 01/31/2026 | Zone 2 Winter Championship Meet | |
| 554 | Gavin Yang | 48.23 | 10 | B Min | BB: 47.69 (+0.54s | 1.1%) | Alto Swim Club | 03/07/2026 | DACA CBA Meet | |
| 555 | Easton Fairbank | 48.25 | 8 | B Min | BB: 47.69 (+0.56s | 1.2%) | Flatiron Athletic Club | 03/13/2026 | Mile High Championship Invitational | |
| 556 | Jake Gehlert | 48.29 | 9 | B Min | BB: 47.69 (+0.60s | 1.2%) | Piedmont Swim Team | 05/29/2026 | Piedmont Swim Team Club Championships | |
| 557 | Leif Chang | 48.30 | 10 | B Min | BB: 47.69 (+0.61s | 1.3%) | Rancho San Dieguito | 07/10/2026 | 2026 SI JBST All Ages Last Chance Meet | |
| 558 | Atticus Zhang | 48.30 | 8 | B Min | BB: 47.69 (+0.61s | 1.3%) | Walnut Creek Aquabears | 07/25/2026 | Zone 2 Summer Championships | |
| 559 | Gray Gilman | 48.31 | 10 | B Min | BB: 47.69 (+0.62s | 1.3%) | Olympus Aquatics | 12/18/2025 | 2025 OA IMR II Copied | |
| 560 | Liam Chen | 48.31 | 9 | B Min | BB: 47.69 (+0.62s | 1.3%) | San Ramon Valley Aquatics | 07/25/2026 | Zone 2 Summer Championships | |
| 561 | August McFarland | 48.32 | 8 | B Min | BB: 47.69 (+0.63s | 1.3%) | Form Swim Team | 03/06/2026 | 2026 CO 14 U Silver State | |
| 562 | Norne Fang | 48.32 | 8 | B Min | BB: 47.69 (+0.63s | 1.3%) | Milpitas Aquatic Club | 09/27/2025 | 2025 MAC Season Kick Off | |
| 563 | Steevenson Martins | 48.33 | 9 | B Min | BB: 47.69 (+0.64s | 1.3%) | McMinnville Swim Club | 02/15/2026 | 2026 MSC Vs APEX Dual Meet | |
| 564 | Robert Kolesnik | 48.33 | 10 | B Min | BB: 47.69 (+0.64s | 1.3%) | Bulldog Swim Club | 03/28/2026 | LAMV C B A+ Meet | |
| 565 | Zixin Cheng | 48.35 | 9 | B Min | BB: 47.69 (+0.66s | 1.4%) | Quicksilver Swimming | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 566 | Noah Wu | 48.37 | 10 | B Min | BB: 47.69 (+0.68s | 1.4%) | Palo Alto Stanford Aquatics | 12/20/2025 | 2025 PASA Winter Frolic Meet @ PALY HS | |
| 567 | Nicholas Baxter | 48.40 | 9 | B Min | BB: 47.69 (+0.71s | 1.5%) | East Bay Silver Dolphins | 07/10/2026 | Redwood Empire Swim League Championship | |
| 568 | Jayden Cho | 48.41 | 10 | B Min | BB: 47.69 (+0.72s | 1.5%) | University Place Aquatic Club | 07/11/2026 | 2026 PN UPAC Summer Challenge Intr Approved | |
| 569 | Theodore Neese | 48.41 | 10 | B Min | BB: 47.69 (+0.72s | 1.5%) | Bend Swim Club | 07/17/2026 | Madras Locals Meet | |
| 570 | Micah Adams | 48.42 | 10 | B Min | BB: 47.69 (+0.73s | 1.5%) | Hood River Valley Swim Team | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 571 | Mateo Lopez | 48.42 | 8 | B Min | BB: 47.69 (+0.73s | 1.5%) | Unattached | 07/31/2026 | 2026 High Country Short Course Championship | |
| 572 | Zachary Bobowski | 48.43 | 10 | B Min | BB: 47.69 (+0.74s | 1.5%) | Lake Oswego | 02/15/2025 | 2025 OR HS 6A 5 | |
| 573 | Asher Layton | 48.43 | 9 | B Min | BB: 47.69 (+0.74s | 1.5%) | Yuma Aquatics | 02/13/2026 | 34th Annual Lost Dutchman Invitational | |
| 574 | Johnathan Weninger | 48.43 | 10 | B Min | BB: 47.69 (+0.74s | 1.5%) | Legacy Aquatics | 08/01/2026 | 2026 LA Summer Sunset | |
| 575 | Ethan Wang | 48.45 | 10 | B Min | BB: 47.69 (+0.76s | 1.6%) | Machine Aquatics | 02/20/2026 | 2026 Machine Qualifier | |
| 576 | Caleb Gray | 48.46 | 8 | B Min | BB: 47.69 (+0.77s | 1.6%) | Santa Clara Swim Club | 03/28/2026 | Swim South Bay | |
| 577 | Amar Alwattar | 48.47 | 10 | B Min | BB: 47.69 (+0.78s | 1.6%) | Montclair Swim Team | 07/10/2026 | Redwood Empire Swim League Championship | |
| 578 | Cole Cadiz | 48.47 | 10 | B Min | BB: 47.69 (+0.78s | 1.6%) | North Coast Aquatics | 10/11/2025 | 2025 SI RSD All Ages B C Meet | |
| 579 | Andrei Talalay | 48.48 | 9 | B Min | BB: 47.69 (+0.79s | 1.6%) | Tualatin Hills Swim Club | 03/14/2026 | 2026 CAT Spring Invite | |
| 580 | Eric Yu | 48.50 | 9 | B Min | BB: 47.69 (+0.81s | 1.7%) | Bellevue Club Swim Team | 03/28/2026 | 2026 PN Spring Showdown, Div1 Approved | |
| 581 | James Budge | 48.50 | 10 | B Min | BB: 47.69 (+0.81s | 1.7%) | Montclair Swim Team | 02/20/2026 | Pacific Swim SCY C B BB+ Meet Hosted By TERA | |
| 582 | Gabriel Terrones | 48.51 | 10 | B Min | BB: 47.69 (+0.82s | 1.7%) | Team Eugene Aquatics | 04/17/2026 | 2026 April Mini Meet | |
| 583 | Myles Clark | 48.51 | 10 | B Min | BB: 47.69 (+0.82s | 1.7%) | Kona Dolphins Swim Club | 03/07/2026 | 2026 HI Junior Age Group SCY Championship | |
| 584 | Timothy Kado | 48.53 | 8 | B Min | BB: 47.69 (+0.84s | 1.7%) | Palo Alto Stanford Aquatics | 03/07/2026 | 2026 PASA Last Chance For JO S | |
| 585 | Andrew Yang | 48.53 | 9 | B Min | BB: 47.69 (+0.84s | 1.7%) | Pacific Dragons Swim Team | 12/06/2025 | 2025 PN Fall Divisionals, Division 1 OCA | |
| 586 | Brady Lindauer | 48.57 | 10 | B Min | BB: 47.69 (+0.88s | 1.8%) | Unattached | 10/25/2025 | 2025 SUNN Fall Classic | |
| 587 | Oleksandr Sydorchuk | 48.59 | 10 | B Min | BB: 47.69 (+0.90s | 1.9%) | Bure-Aqua Academy | 01/23/2026 | 2026 CO TOPS Colorado Open | |
| 588 | Lucas Fleck | 48.59 | 10 | B Min | BB: 47.69 (+0.90s | 1.9%) | AC Swim Club | 07/25/2026 | 2026 REAL Championships | |
| 589 | Lucas Li | 48.63 | 9 | B Min | BB: 47.69 (+0.94s | 1.9%) | Alto Swim Club | 03/07/2026 | DACA CBA Meet | |
| 590 | George He | 48.64 | 9 | B Min | BB: 47.69 (+0.95s | 2.0%) | Seattle Metropolitan Aquatic C | 03/28/2026 | 2026 PN Spring Showdown, Div 2 Approved | |
| 591 | Knox Monsivais | 48.66 | 10 | B Min | BB: 47.69 (+0.97s | 2.0%) | Lehi Aquatics | 03/05/2025 | 2025 Short Course UTAGS Championships | |
| 592 | Maximilian Zhou | 48.68 | 9 | B Min | BB: 47.69 (+0.99s | 2.0%) | Alto Swim Club | 03/07/2026 | DACA CBA Meet | |
| 593 | Daniel Rondel | 48.69 | 9 | B Min | BB: 47.69 (+1.00s | 2.1%) | Wave Aquatics | 10/18/2025 | 2025 PN VAST Fall Classic | |
| 594 | Daniel Khait | 48.69 | 10 | B Min | BB: 47.69 (+1.00s | 2.1%) | Bay Club Santa Clara Dolphins | 02/28/2026 | Swim South Bay | |
| 595 | Marcus Zhu | 48.71 | 10 | B Min | BB: 47.69 (+1.02s | 2.1%) | Quicksilver Swimming | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 596 | Adam Wanichek | 48.71 | 10 | B Min | BB: 47.69 (+1.02s | 2.1%) | Bellevue Club Swim Team | 06/19/2026 | 2026 PN SRST Summer Invitational Approved | |
| 597 | Jaden Langley | 48.72 | 9 | B Min | BB: 47.69 (+1.03s | 2.1%) | Rocky Mountain Rapids | 03/07/2025 | 2025 CO CSI Silver State Championships | |
| 598 | Ethan Park | 48.76 | 9 | B Min | BB: 47.69 (+1.07s | 2.2%) | Santa Clara Swim Club | 07/25/2026 | 2026 DACA SC CBA Meet | |
| 599 | Zimo Xu | 48.76 | 10 | B Min | BB: 47.69 (+1.07s | 2.2%) | Quicksilver Swimming | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 600 | Andy Yu | 48.78 | 10 | B Min | BB: 47.69 (+1.09s | 2.2%) | Burlingame Aquatics | 03/07/2026 | BAC Race To AGCs | |
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.