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 | |
|---|---|---|---|---|---|---|---|---|---|
| 251 | Stewart Bye | 42.96 | 10 | BB Min | A: 42.09 (+0.87s | 2.0%) | Corvallis Aquatic Team | 12/12/2025 | 2025 OR HEAT Age Group Jubilee | |
| 252 | Asher Young | 42.96 | 10 | BB Min | A: 42.09 (+0.87s | 2.0%) | Terrapins Swim Team | 03/20/2026 | SCY Spring Age Group Championships | |
| 253 | Nikoloz Zhorzholiani | 42.97 | 9 | BB Min | A: 42.09 (+0.88s | 2.0%) | Seattle Metropolitan Aquatic C | 02/27/2026 | 2026 PN February AGI, Div 1 Approved | |
| 254 | Kaimana Hashimoto | 43.01 | 10 | BB Min | A: 42.09 (+0.92s | 2.1%) | Splash Aquatics | 12/06/2025 | 45th Annual Ken Suenaga Invitational (SCY) | |
| 255 | Preston Tran | 43.03 | 10 | BB Min | A: 42.09 (+0.94s | 2.2%) | Irvine Novaquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 256 | Ashton Chen | 43.03 | 10 | BB Min | A: 42.09 (+0.94s | 2.2%) | Brea Aquatics | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 257 | Logan Yip | 43.03 | 10 | BB Min | A: 42.09 (+0.94s | 2.2%) | South San Francisco Aquatics | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 258 | Robert Mello | 43.13 | 10 | BB Min | A: 42.09 (+1.04s | 2.4%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 259 | Brian Chou | 43.13 | 9 | BB Min | A: 42.09 (+1.04s | 2.4%) | Irvine Novaquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 260 | Cayden McLaughlin | 43.14 | 10 | BB Min | A: 42.09 (+1.05s | 2.4%) | Patriot Swim Club | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 261 | Paxton Marvray | 43.15 | 10 | BB Min | A: 42.09 (+1.06s | 2.5%) | Sawtooth Aquatic Club | 12/20/2025 | 2025 BY Candy Cane Invitational | |
| 262 | Maochen Tan | 43.17 | 10 | BB Min | A: 42.09 (+1.08s | 2.5%) | Mission Viejo Nadadores | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 263 | Luke Chai | 43.17 | 9 | BB Min | A: 42.09 (+1.08s | 2.5%) | Pleasanton Seahawks | 03/28/2026 | PC CDST SC C B BB+ Meet | |
| 264 | Dylan Tian | 43.18 | 8 | BB Min | A: 42.09 (+1.09s | 2.5%) | Santa Clara Swim Club | 03/28/2026 | Swim South Bay | |
| 265 | Jayden Zhu | 43.20 | 10 | BB Min | A: 42.09 (+1.11s | 2.6%) | Otter Swim Club | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 266 | Logan Snodgrass | 43.21 | 10 | BB Min | A: 42.09 (+1.12s | 2.6%) | Denver Swim Academy | 02/14/2026 | 2026 CO ACES Winter Open | |
| 267 | Lichen Chi | 43.21 | 9 | BB Min | A: 42.09 (+1.12s | 2.6%) | Tualatin Hills Swim Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 268 | Duke Layco | 43.22 | 10 | BB Min | A: 42.09 (+1.13s | 2.6%) | Hawaii Swimming Club | 02/13/2026 | 34th Annual Lost Dutchman Invitational | |
| 269 | Elliott Ganancial | 43.24 | 10 | BB Min | A: 42.09 (+1.15s | 2.7%) | Aloha Aquatics Association | 11/09/2025 | OSL A+ SCY Meet | |
| 270 | Austin Mitchell | 43.24 | 10 | BB Min | A: 42.09 (+1.15s | 2.7%) | Valley Aquatics | 02/13/2026 | 34th Annual Lost Dutchman Invitational | |
| 271 | Louis Yu | 43.25 | 8 | BB Min | A: 42.09 (+1.16s | 2.7%) | Santa Clara Swim Club | 02/28/2026 | Swim South Bay | |
| 272 | Eddie Bi | 43.26 | 9 | BB Min | A: 42.09 (+1.17s | 2.7%) | California Dolphins Swim Team | 03/07/2026 | SRVA Last Chance Meet B BB+ | |
| 273 | Wesley Zhang | 43.27 | 10 | BB Min | A: 42.09 (+1.18s | 2.7%) | Santa Clara Swim Club | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 274 | Henry Moore | 43.29 | 10 | BB Min | A: 42.09 (+1.20s | 2.8%) | Ladera Oaks | 03/28/2026 | Alto Rock The Blocks Invitational 2026 | |
| 275 | Clayton Chester | 43.31 | 10 | BB Min | A: 42.09 (+1.22s | 2.8%) | Heartland Swim Assoc | 01/17/2026 | 2026 SBA All Ages A BB Meet | |
| 276 | Owen Nguyen | 43.37 | 9 | BB Min | A: 42.09 (+1.28s | 3.0%) | Mission Viejo Nadadores | 02/13/2026 | 2026 MVN Lunar AAPI Festival | |
| 277 | Peter Surbeck | 43.39 | 10 | BB Min | A: 42.09 (+1.30s | 3.0%) | Streamliner Aquatics | 12/20/2025 | 2025 BY Candy Cane Invitational | |
| 278 | Aidan Woods | 43.39 | 10 | BB Min | A: 42.09 (+1.30s | 3.0%) | Fort Collins Area Swim Team | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 279 | Cyrus Yang | 43.40 | 10 | BB Min | A: 42.09 (+1.31s | 3.0%) | Quicksilver Swimming | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 280 | Aaron Kim | 43.40 | 9 | BB Min | A: 42.09 (+1.31s | 3.0%) | The Spartans of La Canada | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 281 | Everett Philipps | 43.40 | 10 | BB Min | A: 42.09 (+1.31s | 3.0%) | Issaquah Swim Team | 11/15/2025 | 2025 PN IST November Invitational | |
| 282 | Oleksandr Yaroshyk | 43.41 | 10 | BB Min | A: 42.09 (+1.32s | 3.0%) | Valley Aquatics | 11/16/2025 | 2025 PN PAC Q Meet | |
| 283 | Mason Lee | 43.43 | 10 | BB Min | A: 42.09 (+1.34s | 3.1%) | Issaquah Swim Team | 03/19/2026 | 2026 NW Region Age Group Champs Approved | |
| 284 | Ozzy Su | 43.46 | 10 | BB Min | A: 42.09 (+1.37s | 3.2%) | Quicksilver Swimming | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 285 | Gary Stoll | 43.51 | 10 | BB Min | A: 42.09 (+1.42s | 3.3%) | Legacy Aquatics | 12/20/2025 | 2025 Legacy Aquatics Showdown | |
| 286 | Kevin Zhou | 43.51 | 10 | BB Min | A: 42.09 (+1.42s | 3.3%) | Speed Aquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 287 | Adam Kao | 43.52 | 10 | BB Min | A: 42.09 (+1.43s | 3.3%) | Life Time Oregon Swim Team | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 288 | Cameron Watrous | 43.53 | 9 | BB Min | A: 42.09 (+1.44s | 3.3%) | Bellevue Club Swim Team | 02/13/2026 | 2026 MVN Lunar AAPI Festival | |
| 289 | Conrad Shwe | 43.54 | 9 | BB Min | A: 42.09 (+1.45s | 3.3%) | Clovis Swim Club | 01/10/2026 | 2026 Clovis Swim Club Winter Open | |
| 290 | Charlie Sundberg | 43.58 | 10 | BB Min | A: 42.09 (+1.49s | 3.4%) | Univ. of Denver Hilltoppers | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 291 | Ryan Yoon | 43.60 | 10 | BB Min | A: 42.09 (+1.51s | 3.5%) | Sierra Marlins Swim Team | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 292 | Niranjan Bharathan | 43.61 | 10 | BB Min | A: 42.09 (+1.52s | 3.5%) | Tualatin Hills Swim Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 293 | Rowan Sargent | 43.62 | 9 | BB Min | A: 42.09 (+1.53s | 3.5%) | Flatiron Athletic Club | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 294 | Keon Cheng | 43.67 | 10 | BB Min | A: 42.09 (+1.58s | 3.6%) | Arcadia Riptides Swim Club | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 295 | Max Huang | 43.67 | 10 | BB Min | A: 42.09 (+1.58s | 3.6%) | Sierra Marlins Swim Team | 11/08/2025 | Folsom Classic 2025 | |
| 296 | Jerry Ji | 43.67 | 10 | BB Min | A: 42.09 (+1.58s | 3.6%) | Brea Aquatics | 12/13/2024 | 2024 CA RAA SCS WAG | |
| 297 | Maximus Sosa | 43.68 | 10 | BB Min | A: 42.09 (+1.59s | 3.6%) | Dare Aquatics | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 298 | Andres Garcia | 43.69 | 10 | BB Min | A: 42.09 (+1.60s | 3.7%) | San Dimas Aquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 299 | Anderson Shi | 43.69 | 8 | BB Min | A: 42.09 (+1.60s | 3.7%) | Los Angeles Swim Club | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 300 | Felix Nguyen | 43.70 | 10 | BB Min | A: 42.09 (+1.61s | 3.7%) | 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.