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 | |
|---|---|---|---|---|---|---|---|---|---|
| 301 | Evan Islip | 45.34 | 10 | BB Min | A: 42.09 (+3.25s | 7.2%) | Pacific Swim | 07/10/2026 | 2026 SI SBA All Ages Last Chance Meet | |
| 302 | Bode McCollum | 45.35 | 10 | BB Min | A: 42.09 (+3.26s | 7.2%) | Aces Swim Club | 02/14/2026 | 2026 CO ACES Winter Open | |
| 303 | Watson Xie | 45.39 | 10 | BB Min | A: 42.09 (+3.30s | 7.3%) | Chinook Aquatic Club | 02/27/2026 | 2026 PN February AGI, Division 2 Approved | |
| 304 | Kai Mihov | 45.41 | 10 | BB Min | A: 42.09 (+3.32s | 7.3%) | Palo Alto Stanford Aquatics | 03/07/2026 | 2026 PASA Last Chance For JO S | |
| 305 | Apollo Van Brunt | 45.42 | 8 | BB Min | A: 42.09 (+3.33s | 7.3%) | Kona Aquatics Club | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 306 | Everett Jo | 45.44 | 9 | BB Min | A: 42.09 (+3.35s | 7.4%) | North State Narwhals | 11/22/2025 | Thankswimming Classic 2025 | |
| 307 | Kai Hawkes | 45.45 | 10 | BB Min | A: 42.09 (+3.36s | 7.4%) | Multnomah Athletic Club | 12/05/2025 | 2025 Tualatin Hills Holiday Classic | |
| 308 | Andres Velazquez | 45.50 | 9 | BB Min | A: 42.09 (+3.41s | 7.5%) | Pro Swimming | 05/30/2026 | 2026 PN Pro Summer Pentathlon Approved | |
| 309 | Kellen Cox | 45.51 | 9 | BB Min | A: 42.09 (+3.42s | 7.5%) | Denver Athletic Club Swim Team | 02/14/2026 | 2026 CO ACES Winter Open | |
| 310 | Luca Goulet | 45.52 | 10 | BB Min | A: 42.09 (+3.43s | 7.5%) | King Aquatic Club | 12/06/2025 | 2025 PN Fall Divisionals, Division 1 OCA | |
| 311 | Kevin Zhang | 45.52 | 9 | BB Min | A: 42.09 (+3.43s | 7.5%) | Wave Aquatics | 02/27/2026 | 2026 PN February AGI, Division 2 Approved | |
| 312 | Cannon Brown | 45.55 | 10 | BB Min | A: 42.09 (+3.46s | 7.6%) | Olympic Cascade Aquatics | 01/18/2026 | 2026 PN BC Snowflake Classic Invite Approved | |
| 313 | Maksim Kashkolda | 45.55 | 10 | BB Min | A: 42.09 (+3.46s | 7.6%) | Horizon Swimming | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 314 | Ethan Li | 45.57 | 9 | BB Min | A: 42.09 (+3.48s | 7.6%) | Pacific Dragons Swim Team | 01/24/2026 | 2026 PN PDST Winter Invitational Meet Approv | |
| 315 | Noble Rickstrew | 45.57 | 10 | BB Min | A: 42.09 (+3.48s | 7.6%) | Excel Aquatics | 12/05/2025 | 2025 Beaman Toyota Meet Of Champs | |
| 316 | Noah Chiu | 45.61 | 10 | BB Min | A: 42.09 (+3.52s | 7.7%) | Alto Swim Club | 03/07/2026 | DACA CBA Meet | |
| 317 | Jed El Abed | 45.61 | 10 | BB Min | A: 42.09 (+3.52s | 7.7%) | H2o Swim Team | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 318 | Jun Lin | 45.62 | 8 | BB Min | A: 42.09 (+3.53s | 7.7%) | Seattle Metropolitan Aquatic C | 06/14/2026 | 2026 SMAC June Mini Meet Approved | |
| 319 | Henry Jian | 45.63 | 10 | BB Min | A: 42.09 (+3.54s | 7.8%) | Pacific Dragons Swim Team | 12/06/2025 | 2025 PN Fall Divisionals, Division 1 OCA | |
| 320 | Niccolo Pantana | 45.64 | 9 | BB Min | A: 42.09 (+3.55s | 7.8%) | Excel Aquatics | 02/21/2026 | 2026 SES Region 1 8 And Under Championships | |
| 321 | William Doran | 45.68 | 10 | BB Min | A: 42.09 (+3.59s | 7.9%) | SlipStream Aquatics | 03/06/2026 | 2026 CO 14 U Silver State | |
| 322 | Guo-shiun Gau | 45.70 | 10 | BB Min | A: 42.09 (+3.61s | 7.9%) | Seattle Metropolitan Aquatic C | 01/31/2026 | 2026 PN KING Beast IMX IMR Invitational Appr | |
| 323 | Jay Kowren | 45.70 | 10 | BB Min | A: 42.09 (+3.61s | 7.9%) | Bainbridge Island Swim Club | 04/18/2026 | 2026 PN UPAC Mark Olson Classic Approved | |
| 324 | Ruslan Kalinnikov | 45.71 | 8 | BB Min | A: 42.09 (+3.62s | 7.9%) | Olympus Aquatics | 12/13/2025 | 2025 UTAH Winter Classic | |
| 325 | Chase White | 45.72 | 10 | BB Min | A: 42.09 (+3.63s | 7.9%) | South Valley Makos | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 326 | BaoSheng Wang | 45.73 | 9 | BB Min | A: 42.09 (+3.64s | 8.0%) | San Ramon Valley Aquatics | 07/25/2026 | Zone 2 Summer Championships | |
| 327 | Malik Basic | 45.73 | 9 | BB Min | A: 42.09 (+3.64s | 8.0%) | Olympus Aquatics | 12/29/2025 | 60th Kearns Holiday Open Invitational | |
| 328 | Titan Otterstrom | 45.74 | 10 | BB Min | A: 42.09 (+3.65s | 8.0%) | Aquawolves Swimming | 03/06/2026 | 2026 CO 14 U Silver State | |
| 329 | Noah Gaal | 45.75 | 9 | BB Min | A: 42.09 (+3.66s | 8.0%) | Aces Swim Club | 12/12/2025 | 2025 CO NJ Blizzard Invite | |
| 330 | Bruce Zhang | 45.76 | 9 | BB Min | A: 42.09 (+3.67s | 8.0%) | Alto Swim Club | 01/24/2026 | 2026 Zone 1 North Championships | |
| 331 | Luke Song | 45.76 | 10 | BB Min | A: 42.09 (+3.67s | 8.0%) | Tri-city Channel Cats | 02/13/2026 | (Pullman) 2026 IES Jr Champs | |
| 332 | Owen Friedman | 45.76 | 9 | BB Min | A: 42.09 (+3.67s | 8.0%) | Legacy Aquatics | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 333 | Maxwell Rosensweet | 45.77 | 10 | BB Min | A: 42.09 (+3.68s | 8.0%) | Bay Club Aquatics | 07/10/2026 | 2026 SI JBST All Ages Last Chance Meet | |
| 334 | Aiden Huang | 45.80 | 10 | BB Min | A: 42.09 (+3.71s | 8.1%) | DeAnza Cupertino Aquatics | 03/07/2026 | DACA CBA Meet | |
| 335 | Fedor Evstigneev | 45.80 | 9 | BB Min | A: 42.09 (+3.71s | 8.1%) | Santa Clara Swim Club | 03/28/2026 | Swim South Bay | |
| 336 | Oleg Rassadin | 45.80 | 9 | BB Min | A: 42.09 (+3.71s | 8.1%) | Denver Swim Academy | 02/21/2026 | 2026 CO DSA Last Chance | |
| 337 | Beau Jakubowski | 45.83 | 9 | BB Min | A: 42.09 (+3.74s | 8.2%) | Aces Swim Club | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 338 | Daniel Schad | 45.83 | 10 | BB Min | A: 42.09 (+3.74s | 8.2%) | Maui Dolphins Swim Club | 05/16/2026 | 2026 MAGSA 12 U ABC And Special Olympics Meet | |
| 339 | Justin Chi | 45.84 | 9 | BB Min | A: 42.09 (+3.75s | 8.2%) | DeAnza Cupertino Aquatics | 07/25/2026 | 2026 DACA SC CBA Meet | |
| 340 | Aemon Meenaghan | 45.84 | 10 | BB Min | A: 42.09 (+3.75s | 8.2%) | Team Eugene Aquatics | 03/14/2026 | 2026 TEAM Shootout | |
| 341 | Henry Moore | 45.84 | 9 | BB Min | A: 42.09 (+3.75s | 8.2%) | Ladera Oaks | 03/29/2025 | Alto Rock The Blocks Invitational | |
| 342 | Owen Deis | 45.85 | 10 | BB Min | A: 42.09 (+3.76s | 8.2%) | Clovis Swim Club | 11/22/2025 | 2025 Dr Dowain Wright Memorial ABC | |
| 343 | Kellan Naisbitt | 45.89 | 10 | BB Min | A: 42.09 (+3.80s | 8.3%) | Mission Viejo Nadadores | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 344 | Luke Wang | 45.90 | 9 | BB Min | A: 42.09 (+3.81s | 8.3%) | Flatiron Athletic Club | 01/16/2026 | 2026 CO CUDA Classic | |
| 345 | Brooks Switaj | 45.91 | 9 | BB Min | A: 42.09 (+3.82s | 8.3%) | Bellevue Club Swim Team | 01/31/2026 | 2026 PN BISC Bluefin Invitational | |
| 346 | Dylan Briley | 45.91 | 10 | BB Min | A: 42.09 (+3.82s | 8.3%) | Northern Lights Swim Club | 11/21/2025 | NLSC Sprint Classic | |
| 347 | Carter Hollingsworth | 45.92 | 10 | BB Min | A: 42.09 (+3.83s | 8.3%) | Castle Rock Swimming | 02/14/2026 | 2026 CO ACES Winter Open | |
| 348 | Levi Cheung | 45.93 | 8 | BB Min | A: 42.09 (+3.84s | 8.4%) | Beaverton Area Aquatics Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 349 | Callahan Espiritu | 45.93 | 8 | BB Min | A: 42.09 (+3.84s | 8.4%) | Aquazot Swim Club | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 350 | Carter McDonald | 45.94 | 9 | BB Min | A: 42.09 (+3.85s | 8.4%) | Seattle Metropolitan Aquatic C | 10/18/2025 | 2025 PN VAST Fall Classic | |
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.