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 | George Yu | 44.87 | 10 | BB Min | A: 42.09 (+2.78s | 6.2%) | Santa Clara Swim Club | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 302 | Muyang He | 44.90 | 9 | BB Min | A: 42.09 (+2.81s | 6.3%) | Santa Clara Swim Club | 02/28/2026 | Swim South Bay | |
| 303 | Haolin Chen | 44.90 | 10 | BB Min | A: 42.09 (+2.81s | 6.3%) | Pacific Dragons Swim Team | 11/16/2025 | 2025 PN PAC Q Meet | |
| 304 | Julien Pied | 44.94 | 10 | BB Min | A: 42.09 (+2.85s | 6.3%) | Front Range Barracudas | 04/17/2026 | 2026 CO CUDA April Pizza Meet | |
| 305 | Max Peterson | 44.94 | 10 | BB Min | A: 42.09 (+2.85s | 6.3%) | Cottonwood Heights Aquatics | 11/07/2025 | 2026 UT CHAT November Intersquad | |
| 306 | Elliott Linsmeier | 44.95 | 10 | BB Min | A: 42.09 (+2.86s | 6.4%) | Ramona Swim Team | 03/06/2026 | 2026 SI 14U AGE GRP CHAMPIONSHIPS | |
| 307 | John Glenn | 44.97 | 9 | BB Min | A: 42.09 (+2.88s | 6.4%) | SlipStream Aquatics | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 308 | Austin Zhou | 44.98 | 9 | BB Min | A: 42.09 (+2.89s | 6.4%) | Pacific Dragons Swim Team | 03/07/2026 | 2026 PDST Mar Pentathlon Last Chance Approved | |
| 309 | William Ouyang | 44.99 | 10 | BB Min | A: 42.09 (+2.90s | 6.4%) | San Ramon Valley Aquatics | 03/07/2026 | SRVA Last Chance Meet B BB+ | |
| 310 | Maxwell Yao | 45.01 | 9 | BB Min | A: 42.09 (+2.92s | 6.5%) | Gilroy Gators Swim Team | 10/25/2025 | GGST Spooktacular 2025 | |
| 311 | Caleb Stone | 45.01 | 10 | BB Min | A: 42.09 (+2.92s | 6.5%) | Bellingham Bay Swim Team | 05/15/2026 | 2026 PN TAC Spring Thunderbird Approved | |
| 312 | Hei Chan | 45.03 | 10 | BB Min | A: 42.09 (+2.94s | 6.5%) | Alto Swim Club | 03/07/2026 | DACA CBA Meet | |
| 313 | Ivan Smarshchok | 45.03 | 9 | BB Min | A: 42.09 (+2.94s | 6.5%) | King Aquatic Club | 02/27/2026 | 2026 PN February AGI, Div 1 Approved | |
| 314 | Austin Pham | 45.04 | 10 | BB Min | A: 42.09 (+2.95s | 6.5%) | Foothills Swim Team | 03/06/2026 | 2026 CO 14 U Silver State | |
| 315 | Ethan Zhong | 45.05 | 9 | BB Min | A: 42.09 (+2.96s | 6.6%) | Quicksilver Swimming | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 316 | Declan Sederholm | 45.08 | 10 | BB Min | A: 42.09 (+2.99s | 6.6%) | Hilltop Aquatic Swim Team | 03/05/2025 | 2025 Short Course UTAGS Championships | |
| 317 | Henry Sundberg | 45.08 | 8 | BB Min | A: 42.09 (+2.99s | 6.6%) | Univ. of Denver Hilltoppers | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 318 | Holden Ling | 45.13 | 10 | BB Min | A: 42.09 (+3.04s | 6.7%) | Pacific Swimming Zone | 04/26/2026 | 2026 Pacific Swimming Zone All Star Meet | |
| 319 | Charles Knigge | 45.13 | 10 | BB Min | A: 42.09 (+3.04s | 6.7%) | Spokane Waves Aquatic Team | 02/13/2026 | (Pullman) 2026 IES Jr Champs | |
| 320 | Ishaan Malik | 45.15 | 10 | BB Min | A: 42.09 (+3.06s | 6.8%) | California Dolphins Swim Team | 03/07/2026 | SRVA Last Chance Meet B BB+ | |
| 321 | Lukas Fort | 45.16 | 9 | BB Min | A: 42.09 (+3.07s | 6.8%) | Bainbridge Island Swim Club | 01/31/2026 | 2026 PN BISC Bluefin Invitational | |
| 322 | Castle Cline | 45.18 | 10 | BB Min | A: 42.09 (+3.09s | 6.8%) | Seattle Metropolitan Aquatic C | 02/27/2026 | 2026 PN February AGI, Div 1 Approved | |
| 323 | Daniel Reschke | 45.18 | 10 | BB Min | A: 42.09 (+3.09s | 6.8%) | Santa Clara Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 324 | Owen Bronson | 45.22 | 9 | BB Min | A: 42.09 (+3.13s | 6.9%) | Legacy Aquatics | 05/16/2026 | 2026 John DeRoest Sextathlon Swim Meet | |
| 325 | Francis Wang | 45.23 | 9 | BB Min | A: 42.09 (+3.14s | 6.9%) | West Coast Aquatics | 05/15/2026 | 2026 PN SRST Pacific Coast Invitational App | |
| 326 | Jimmy Chen | 45.25 | 9 | BB Min | A: 42.09 (+3.16s | 7.0%) | Monterey Park Manta Rays | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 327 | Mike Semenov | 45.31 | 10 | BB Min | A: 42.09 (+3.22s | 7.1%) | Beach Cities Alpha | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 328 | Moses Xia | 45.33 | 10 | BB Min | A: 42.09 (+3.24s | 7.1%) | Wasc | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 329 | 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 | |
| 330 | 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 | |
| 331 | 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 | |
| 332 | 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 | |
| 333 | Milo Gurkan | 45.43 | 10 | BB Min | A: 42.09 (+3.34s | 7.4%) | Seals Aquatics | 09/27/2025 | Neptune Swimming Fall Classic | |
| 334 | Everett Jo | 45.44 | 9 | BB Min | A: 42.09 (+3.35s | 7.4%) | North State Narwhals | 11/22/2025 | Thankswimming Classic 2025 | |
| 335 | 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 | |
| 336 | Stryker Fonseca | 45.48 | 10 | BB Min | A: 42.09 (+3.39s | 7.5%) | Barracuda Aquatic Club | 04/25/2025 | 2025 CCAT Easter Pentathlon | |
| 337 | 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 | |
| 338 | 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 | |
| 339 | 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 | |
| 340 | 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 | |
| 341 | 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 | |
| 342 | 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 | |
| 343 | 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 | |
| 344 | Vincent Kaldau | 45.58 | 10 | BB Min | A: 42.09 (+3.49s | 7.7%) | VillaSport Swim Team | 12/06/2024 | 2024 Gulf Age Group Championships | |
| 345 | Noah Chiu | 45.61 | 10 | BB Min | A: 42.09 (+3.52s | 7.7%) | Alto Swim Club | 03/07/2026 | DACA CBA Meet | |
| 346 | 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 | |
| 347 | 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 | |
| 348 | 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 | |
| 349 | 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 | |
| 350 | Liam Lawson | 45.64 | 10 | BB Min | A: 42.09 (+3.55s | 7.8%) | Lake Oswego Swim Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
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.