Western Zone Zone Boys 10 & under - 50 M 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 401 | Leo Gazzard | 56.36 | 8 | B Min | BB: 54.39 (+1.97s | 3.5%) | Bellevue Club Swim Team | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 402 | Hawx Hansen | 56.40 | 9 | B Min | BB: 54.39 (+2.01s | 3.6%) | Wasatch Front Fish Market | 05/02/2025 | 2025 UVrays LC May Invitational | |
| 403 | Castle Cline | 56.41 | 9 | B Min | BB: 54.39 (+2.02s | 3.6%) | Seattle Metropolitan Aquatic C | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | |
| 404 | Stanislaw Gruszka | 56.41 | 9 | B Min | BB: 54.39 (+2.02s | 3.6%) | Walnut Creek Aquabears | 06/20/2025 | Zone 2 Last Chance To AG Champs | |
| 405 | Luke Cheng | 56.42 | 9 | B Min | BB: 54.39 (+2.03s | 3.6%) | Otter Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 406 | Francis Wang | 56.42 | 8 | B Min | BB: 54.39 (+2.03s | 3.6%) | West Coast Aquatics | 07/18/2025 | 2025 PN Chinook Age Group Seattle Open | |
| 407 | William Martus | 56.45 | 10 | B Min | BB: 54.39 (+2.06s | 3.6%) | Portland Aquatic Club | 11/14/2025 | GACC PAC 12 U Sprint Dual | |
| 408 | Arvin Sarpatwari | 56.46 | 10 | B Min | BB: 54.39 (+2.07s | 3.7%) | Sawtooth Aquatic Club | 07/05/2025 | Sawtooth Last Chance Time Trial | |
| 409 | Braden Rees | 56.46 | 10 | B Min | BB: 54.39 (+2.07s | 3.7%) | Utah Valley Aquatics | 04/18/2025 | 2025 UVrays TriMeet CHAT SLC Legends | |
| 410 | Alexander Zhurid | 56.49 | 7 | B Min | BB: 54.39 (+2.10s | 3.7%) | Bellevue Club Swim Team | 05/02/2025 | 2025 PN BC May Flowers | |
| 411 | Zackary Chuck | 56.50 | 8 | B Min | BB: 54.39 (+2.11s | 3.7%) | Boys & Girls Club of SF | 04/27/2024 | Alto Spring Jam | |
| 412 | Youssef Mahassine | 56.51 | 10 | B Min | BB: 54.39 (+2.12s | 3.8%) | Walnut Creek Aquabears | 06/07/2025 | Orinda Aquatics LC C B BB+ Meet | |
| 413 | Jayke Hung | 56.53 | 9 | B Min | BB: 54.39 (+2.14s | 3.8%) | Bellevue Club Swim Team | 05/29/2025 | 2025 IE VS Apple Capital | |
| 414 | Erik Shabdanov | 56.61 | 7 | B Min | BB: 54.39 (+2.22s | 3.9%) | Sunnyvale Swim Club | 06/06/2025 | 2025 DACA LC CBA+ Meet | |
| 415 | Leo Ioffe | 56.69 | 9 | B Min | BB: 54.39 (+2.30s | 4.1%) | Santa Clara Swim Club | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 416 | Mario Aoki | 56.70 | 8 | B Min | BB: 54.39 (+2.31s | 4.1%) | Falfins Swimming | 05/30/2025 | 2025 CO COSA Long Course Open | |
| 417 | Lucas Shamshurin | 56.72 | 10 | B Min | BB: 54.39 (+2.33s | 4.1%) | Bellevue Club Swim Team | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 418 | Luke Lim | 56.76 | 9 | B Min | BB: 54.39 (+2.37s | 4.2%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 419 | Ryan Ferguson | 56.79 | 8 | B Min | BB: 54.39 (+2.40s | 4.2%) | Santa Clara Swim Club | 06/27/2025 | Valley Splash | |
| 420 | Elliot Gorman | 56.81 | 9 | B Min | BB: 54.39 (+2.42s | 4.3%) | Front Range Barracudas | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 421 | Bennett Calliham | 56.82 | 8 | B Min | BB: 54.39 (+2.43s | 4.3%) | Loveland Swim Club | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 422 | Lukas Zazhitskiy | 56.83 | 8 | B Min | BB: 54.39 (+2.44s | 4.3%) | Highlands Ranch Aquatics | 06/06/2025 | 2025 CO NJ Summer Solstice Invitational | |
| 423 | Austin Dunn | 56.86 | 9 | B Min | BB: 54.39 (+2.47s | 4.3%) | Streamliner Aquatics | 07/18/2025 | 2025 LCM Summer Championships | |
| 424 | Sammuel Zhou | 56.87 | 10 | B Min | BB: 54.39 (+2.48s | 4.4%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 425 | Theodore McElderry | 56.88 | 9 | B Min | BB: 54.39 (+2.49s | 4.4%) | Utah Valley Aquatics | 04/18/2025 | 2025 UVrays TriMeet CHAT SLC Legends | |
| 426 | Wesley Ho | 56.88 | 9 | B Min | BB: 54.39 (+2.49s | 4.4%) | Aspire Aquatics of Colorado | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 427 | Alexander Chung | 56.90 | 10 | B Min | BB: 54.39 (+2.51s | 4.4%) | Palo Alto Stanford Aquatics | 05/17/2025 | 2025 LAMV SCM C B A+ | |
| 428 | Gray Gilman | 56.91 | 9 | B Min | BB: 54.39 (+2.52s | 4.4%) | Olympus Aquatics | 06/27/2025 | 2nd Annual Water Dragon Open | |
| 429 | Peter Neibaur | 56.91 | 8 | B Min | BB: 54.39 (+2.52s | 4.4%) | Voltage Aquatics | 06/07/2025 | Summer Classics 2025 | |
| 430 | Jake Lu | 56.96 | 9 | B Min | BB: 54.39 (+2.57s | 4.5%) | Burlingame Aquatics | 06/06/2025 | BAC C B A Meet | |
| 431 | Daniel Kalinovski | 57.03 | 9 | B Min | BB: 54.39 (+2.64s | 4.6%) | Otter Swim Club | 06/27/2025 | Silicon Valley LC CBA+ Meet | |
| 432 | Seoyul Moon | 57.05 | 10 | B Min | BB: 54.39 (+2.66s | 4.7%) | Pleasanton Seahawks | 06/20/2025 | Zone 2 Last Chance To AG Champs | |
| 433 | Landon Wang | 57.06 | 9 | B Min | BB: 54.39 (+2.67s | 4.7%) | Seattle Metropolitan Aquatic C | 05/29/2025 | 2025 IE VS Apple Capital | |
| 434 | Gairen Bean | 57.10 | 9 | B Min | BB: 54.39 (+2.71s | 4.7%) | South Bay Aquatics | 07/11/2025 | 2025 SI SDSA All Ages NTS Meet | |
| 435 | Chayton Zhou | 57.11 | 8 | B Min | BB: 54.39 (+2.72s | 4.8%) | Pleasanton Seahawks | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 436 | Brody Whitmire | 57.12 | 10 | B Min | BB: 54.39 (+2.73s | 4.8%) | The Dalles Swim Team | 06/20/2025 | 72nd Annual Ted Walker Invitational | |
| 437 | Shane Kirkwood | 57.14 | 9 | B Min | BB: 54.39 (+2.75s | 4.8%) | Lake Oswego Swim Club | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 438 | Jaden Langley | 57.14 | 9 | B Min | BB: 54.39 (+2.75s | 4.8%) | Rocky Mountain Rapids | 05/30/2025 | 2025 CO COSA Long Course Open | |
| 439 | Aiden Huang | 57.15 | 9 | B Min | BB: 54.39 (+2.76s | 4.8%) | DeAnza Cupertino Aquatics | 06/27/2025 | Silicon Valley LC CBA+ Meet | |
| 440 | Olivier Thomasson | 57.15 | 10 | B Min | BB: 54.39 (+2.76s | 4.8%) | Montclair Swim Team | 06/07/2025 | Orinda Aquatics LC C B BB+ Meet | |
| 441 | Jay Kowren | 57.18 | 9 | B Min | BB: 54.39 (+2.79s | 4.9%) | Bainbridge Island Swim Club | 06/27/2025 | 2025 PN SMAC Summer Classic Invitational | |
| 442 | Miles Kavanaugh | 57.20 | 9 | B Min | BB: 54.39 (+2.81s | 4.9%) | University Place Aquatic Club | 06/20/2025 | 2025 IE VS Starlight Open | |
| 443 | Guo-Shiun Gau | 57.21 | 9 | B Min | BB: 54.39 (+2.82s | 4.9%) | King Aquatic Club | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | |
| 444 | Otto Seeber | 57.23 | 8 | B Min | BB: 54.39 (+2.84s | 5.0%) | Flatiron Athletic Club | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 445 | Cameron Watrous | 57.23 | 8 | B Min | BB: 54.39 (+2.84s | 5.0%) | Bellevue Club Swim Team | 07/18/2025 | 2025 PN Chinook Age Group Seattle Open | |
| 446 | Alexander Ivanov | 57.41 | 9 | B Min | BB: 54.39 (+3.02s | 5.3%) | Seattle Metropolitan Aquatic C | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | |
| 447 | George Yu | 57.41 | 9 | B Min | BB: 54.39 (+3.02s | 5.3%) | Santa Clara Swim Club | 07/19/2025 | Santa Clara Valley Splash Block Party | |
| 448 | Jason Buhr | 57.42 | 9 | B Min | BB: 54.39 (+3.03s | 5.3%) | Pikes Peak Athletics | 07/12/2025 | 2025 CO Southern Colorado LC Championship | |
| 449 | Aurik Ghosh Moulick | 57.45 | 9 | B Min | BB: 54.39 (+3.06s | 5.3%) | Milpitas Aquatic Club | 06/22/2024 | Alto Beat The Heat Sat Sun | |
| 450 | Matthew Caldwell | 57.47 | 10 | B Min | BB: 54.39 (+3.08s | 5.4%) | Univ. of Denver Hilltoppers | 07/25/2025 | 2025 CO CSI Age Group 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.