Western Zone Zone Boys 10 & under - 50 Y Free
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 | Landon Wang | 30.55 | 10 | A Min | AA: 29.89 (+0.66s | 2.2%) | Seattle Metropolitan Aquatic C | 02/13/2026 | 2026 PN UPAC 4th Annual Feb Fly In Approved | |
| 252 | Jonathan Nelson | 30.55 | 10 | A Min | AA: 29.89 (+0.66s | 2.2%) | Utah Valley Aquatics | 10/23/2025 | 2025 Mike Harper Open | |
| 253 | Carter Hollingsworth | 30.55 | 10 | A Min | AA: 29.89 (+0.66s | 2.2%) | Castle Rock Swimming | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 254 | Adrian Tu | 30.55 | 10 | A Min | AA: 29.89 (+0.66s | 2.2%) | Walnut Creek Aquabears | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 255 | Dylan sun | 30.56 | 10 | A Min | AA: 29.89 (+0.67s | 2.2%) | Brea Aquatics | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 256 | Riccardo Sardena | 30.57 | 9 | A Min | AA: 29.89 (+0.68s | 2.2%) | Swim Team of Placentia | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 257 | Abraham Cheng | 30.58 | 10 | A Min | AA: 29.89 (+0.69s | 2.3%) | Aquazot Swim Club | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 258 | Thomas Nguyen | 30.59 | 10 | A Min | AA: 29.89 (+0.70s | 2.3%) | Cascade Swim Club | 02/27/2026 | 2026 PN February AGI, Div 1 Approved | |
| 259 | Nate Woodmency | 30.61 | 10 | A Min | AA: 29.89 (+0.72s | 2.4%) | Grants Pass | 02/13/2026 | 2026 OR HS 6A 7 | |
| 260 | Max Lin | 30.61 | 9 | A Min | AA: 29.89 (+0.72s | 2.4%) | Irvine Novaquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 261 | Koku Saddawi-Banno | 30.62 | 9 | A Min | AA: 29.89 (+0.73s | 2.4%) | Jbarracudas Swim Team | 03/21/2026 | 2026 SI CAST All Ages NTS Meet South | |
| 262 | Jozua Sugianto | 30.62 | 10 | A Min | AA: 29.89 (+0.73s | 2.4%) | California Dolphins Swim Team | 03/07/2026 | SRVA Last Chance Meet B BB+ | |
| 263 | Blake Bardenhagen | 30.63 | 9 | A Min | AA: 29.89 (+0.74s | 2.4%) | Island Aquatics | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 264 | Rex Brinkerhoff | 30.65 | 5 | A Min | AA: 29.89 (+0.76s | 2.5%) | East Bay Bat Rays | 09/27/2025 | PC LAC C B BB | |
| 265 | Shenukha Alahakoon | 30.65 | 10 | A Min | AA: 29.89 (+0.76s | 2.5%) | Tualatin Hills Swim Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 266 | Gareth Oldham | 30.65 | 10 | A Min | AA: 29.89 (+0.76s | 2.5%) | Castle Rock Swimming | 01/23/2026 | 2026 CO FAST Winter Open | |
| 267 | Charles Webb | 30.65 | 10 | A Min | AA: 29.89 (+0.76s | 2.5%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 268 | Kaulu Au | 30.68 | 10 | A Min | AA: 29.89 (+0.79s | 2.6%) | Rainbow Aquatics | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 269 | Sean Lee | 30.81 | 10 | A Min | AA: 29.89 (+0.92s | 3.0%) | Irvine Novaquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 270 | Eliott Jackson | 30.83 | 10 | A Min | AA: 29.89 (+0.94s | 3.0%) | Team Eugene Aquatics | 12/12/2025 | 2025 TEAM Winter Invitational | |
| 271 | Charlie Wheeler | 30.87 | 10 | A Min | AA: 29.89 (+0.98s | 3.2%) | Longmont Swim Club | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 272 | Samuel Siegrist | 30.89 | 10 | A Min | AA: 29.89 (+1.00s | 3.2%) | North Medford | 02/13/2026 | 2026 OR HS 6A 7 | |
| 273 | Leo Ferrante | 30.90 | 10 | A Min | AA: 29.89 (+1.01s | 3.3%) | Palo Alto Stanford Aquatics | 01/24/2026 | 2026 Zone 1 North Championships | |
| 274 | Collin James | 30.92 | 10 | A Min | AA: 29.89 (+1.03s | 3.3%) | West Linn | 02/15/2025 | 2025 OR HS 6A 5 | |
| 275 | Jason Yin | 30.92 | 9 | A Min | AA: 29.89 (+1.03s | 3.3%) | Quicksilver Swimming | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 276 | Liam Kwok | 30.94 | 10 | A Min | AA: 29.89 (+1.05s | 3.4%) | Socal Aquatics Association | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 277 | Jason Feng | 30.95 | 10 | A Min | AA: 29.89 (+1.06s | 3.4%) | Boys & Girls Club of SF | 12/12/2025 | Winter SC Age Group Championships | |
| 278 | Muyang He | 30.95 | 9 | A Min | AA: 29.89 (+1.06s | 3.4%) | Santa Clara Swim Club | 02/28/2026 | Swim South Bay | |
| 279 | Austin Mitchell | 30.96 | 10 | A Min | AA: 29.89 (+1.07s | 3.5%) | Valley Aquatics | 03/19/2026 | 2026 Northwest Region AG Champs Approved | |
| 280 | Atticus Moreno | 30.97 | 10 | A Min | AA: 29.89 (+1.08s | 3.5%) | CAPITAL HIGH SCHOOL | 01/10/2026 | 2026 Kentridge High School Invitational Obse | |
| 281 | Evan Jun | 30.97 | 9 | A Min | AA: 29.89 (+1.08s | 3.5%) | Kamehameha Swim Club | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 282 | Zicheng Wang | 30.98 | 10 | A Min | AA: 29.89 (+1.09s | 3.5%) | Brea Aquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 283 | Adam Ma | 30.98 | 10 | A Min | AA: 29.89 (+1.09s | 3.5%) | California Dolphins Swim Team | 02/28/2026 | VJO Rep The Bay C B A+ 2026 Copied | |
| 284 | Reid Kelly | 30.98 | 9 | A Min | AA: 29.89 (+1.09s | 3.5%) | Front Range Barracudas | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 285 | Jackson Lee | 30.99 | 10 | A Min | AA: 29.89 (+1.10s | 3.5%) | Burlingame Aquatics | 03/28/2026 | PSL March CBA+ | |
| 286 | Henry Bresson | 31.01 | 10 | A Min | AA: 29.89 (+1.12s | 3.6%) | Chinook Aquatic Club | 02/27/2026 | 2026 PN February AGI, Division 2 Approved | |
| 287 | Bryce Gardin | 31.01 | 10 | A Min | AA: 29.89 (+1.12s | 3.6%) | California Capital Aquatics | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 288 | Owen Nguyen | 31.01 | 9 | A Min | AA: 29.89 (+1.12s | 3.6%) | Mission Viejo Nadadores | 02/13/2026 | 2026 MVN Lunar AAPI Festival | |
| 289 | Allen Chen | 31.03 | 10 | A Min | AA: 29.89 (+1.14s | 3.7%) | Seattle Metropolitan Aquatic C | 02/13/2026 | 2026 PN UPAC 4th Annual Feb Fly In Approved | |
| 290 | Tatsumasa Sekine | 31.03 | 9 | A Min | AA: 29.89 (+1.14s | 3.7%) | Santa Clara Swim Club | 03/20/2026 | SCY Spring Age Group Championships | |
| 291 | Wesley Ho | 31.04 | 10 | A Min | AA: 29.89 (+1.15s | 3.7%) | Aspire Aquatics of Colorado | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 292 | Callum Gillilan | 31.05 | 10 | A Min | AA: 29.89 (+1.16s | 3.7%) | Fort Collins Area Swim Team | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 293 | Ozzy Su | 31.06 | 10 | A Min | AA: 29.89 (+1.17s | 3.8%) | Quicksilver Swimming | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 294 | Carson Yin | 31.06 | 10 | A Min | AA: 29.89 (+1.17s | 3.8%) | Tualatin Hills Swim Club | 03/19/2026 | 2026 NW Region Age Group Champs Approved | |
| 295 | Marcus Nguyen | 31.10 | 10 | BB Min | A: 31.09 (+0.01s | 0.0%) | Adrienne C Nelson | 02/15/2025 | 2025 OR HS 6a 4 | |
| 296 | Vincent Welter | 31.10 | 10 | BB Min | A: 31.09 (+0.01s | 0.0%) | Corvallis | 01/18/2025 | Rumbaugh 2025 | |
| 297 | Clark Blanch | 31.10 | 10 | BB Min | A: 31.09 (+0.01s | 0.0%) | La Mirada Armada | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 298 | Alvin Huang | 31.12 | 10 | BB Min | A: 31.09 (+0.03s | 0.1%) | Tualatin Hills Swim Club | 03/19/2026 | 2026 Northwest Region AG Champs Approved | |
| 299 | Nolan Lu | 31.12 | 10 | BB Min | A: 31.09 (+0.03s | 0.1%) | DeAnza Cupertino Aquatics | 03/20/2026 | SCY Spring Age Group Championships | |
| 300 | Adrien Reyes | 31.13 | 10 | BB Min | A: 31.09 (+0.04s | 0.1%) | Clackamas | 02/13/2026 | 2026 OR HS 6A 4 | |
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.