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 | |
|---|---|---|---|---|---|---|---|---|---|
| 501 | Matthew Winn | 54.77 | 9 | B Min | BB: 54.39 (+0.38s | 0.7%) | Stingray Swim Team | 05/28/2026 | 2026 IE VS Apple Capital | |
| 502 | William Eybs | 54.79 | 9 | B Min | BB: 54.39 (+0.40s | 0.7%) | Denver Swim Academy | 07/10/2026 | 2026 CO ACES DSA Summer Blast | |
| 503 | Felix Wang | 54.79 | 10 | B Min | BB: 54.39 (+0.40s | 0.7%) | Eastside Aquatic Swim Team | 06/13/2026 | 2026 PN IST June Invtational Approved | |
| 504 | Joao Barretto | 54.80 | 9 | B Min | BB: 54.39 (+0.41s | 0.7%) | San Ramon Valley Aquatics | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 505 | Henry Faconti | 54.80 | 9 | B Min | BB: 54.39 (+0.41s | 0.7%) | Highlands Ranch Aquatics | 06/05/2026 | 2026 CO NJ Summer Solstice Invite | |
| 506 | Jeremiah Lee | 54.81 | 10 | B Min | BB: 54.39 (+0.42s | 0.8%) | Chinook Aquatic Club | 05/28/2026 | 2026 IE VS Apple Capital | |
| 507 | Tej Bennett | 54.85 | 10 | B Min | BB: 54.39 (+0.46s | 0.8%) | Cascade Swim Club | 09/19/2026 | 2026 PN CSC September Shakeout Approved | |
| 508 | Julius Weinstein | 54.86 | 10 | B Min | BB: 54.39 (+0.47s | 0.9%) | Unattached | 04/24/2026 | 2026 SI PS ABB Meet Group A | |
| 509 | Mason Skradski | 54.86 | 9 | B Min | BB: 54.39 (+0.47s | 0.9%) | Highlands Ranch Aquatics | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 510 | Ian Lee | 54.87 | 8 | B Min | BB: 54.39 (+0.48s | 0.9%) | Bellevue Club Swim Team | 07/23/2026 | 2026 PN 12 U Long Course Championships Appro | |
| 511 | Titan Otterstrom | 54.88 | 10 | B Min | BB: 54.39 (+0.49s | 0.9%) | Aquawolves Swimming | 04/24/2026 | 2026 CO Steve Drozda LC Shotgun | |
| 512 | Richard Shi | 54.91 | 9 | B Min | BB: 54.39 (+0.52s | 0.9%) | Burlingame Aquatics | 06/12/2026 | BAC Long Course | |
| 513 | Austin Chang | 54.91 | 10 | B Min | BB: 54.39 (+0.52s | 0.9%) | Waterloo Swimming | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 514 | Aaden Foster | 54.92 | 10 | B Min | BB: 54.39 (+0.53s | 1.0%) | Denver Swim Academy | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 515 | Marko Tamburi | 54.95 | 10 | B Min | BB: 54.39 (+0.56s | 1.0%) | Star Aquatics | 06/05/2026 | STAR Andrew E Hartle Invitational | |
| 516 | Damon Shao | 54.95 | 9 | B Min | BB: 54.39 (+0.56s | 1.0%) | Alto Swim Club | 07/25/2026 | Alto Last Splash | |
| 517 | Johannes Davide | 54.96 | 10 | B Min | BB: 54.39 (+0.57s | 1.0%) | Issaquah Swim Team | 06/13/2026 | 2026 PN IST June Invtational Approved | |
| 518 | Lukas Zazhitskiy | 55.02 | 9 | B Min | BB: 54.39 (+0.63s | 1.1%) | Highlands Ranch Aquatics | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 519 | Cosmo McGrath | 55.03 | 10 | B Min | BB: 54.39 (+0.64s | 1.2%) | Bellingham Bay Swim Team | 06/19/2026 | 2026 IE VS Starlight Open (USAS) | |
| 520 | Lucas Sussman | 55.04 | 10 | B Min | BB: 54.39 (+0.65s | 1.2%) | Cascade Swim Club | 06/06/2026 | 2026 PN CSC Swimtacular Approved | |
| 521 | Daniel Reschke | 55.07 | 10 | B Min | BB: 54.39 (+0.68s | 1.2%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | |
| 522 | Odin Otterstrom | 55.07 | 10 | B Min | BB: 54.39 (+0.68s | 1.2%) | Aquawolves Swimming | 04/24/2026 | 2026 CO Steve Drozda LC Shotgun | |
| 523 | Adrian Goo | 55.08 | 10 | B Min | BB: 54.39 (+0.69s | 1.3%) | Walnut Creek Aquabears | 05/29/2026 | VJO S Tuffy Williams Summer Kickoff Classic | |
| 524 | Dashiell Wang | 55.14 | 10 | B Min | BB: 54.39 (+0.75s | 1.4%) | Santa Clara Swim Club | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | |
| 525 | Grigorii Vasilenko | 55.14 | 9 | B Min | BB: 54.39 (+0.75s | 1.4%) | Legacy Aquatics | 06/26/2026 | 2026 TEAM Summer Invitational | |
| 526 | Aleksander Zuev | 55.15 | 10 | B Min | BB: 54.39 (+0.76s | 1.4%) | Foothills Swim Team | 06/26/2026 | 2026 CO Zone 2 District Meet AAC | |
| 527 | Rylan Brill | 55.15 | 10 | B Min | BB: 54.39 (+0.76s | 1.4%) | Colorado Stingrays Swim Team | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 528 | Zander Flores | 55.16 | 8 | B Min | BB: 54.39 (+0.77s | 1.4%) | Alameda Gators | 06/13/2026 | Orinda PC LC AG C B BB+ | |
| 529 | Andy Yu | 55.18 | 10 | B Min | BB: 54.39 (+0.79s | 1.4%) | Burlingame Aquatics | 06/12/2026 | BAC Long Course | |
| 530 | Terence Wu | 55.19 | 9 | B Min | BB: 54.39 (+0.80s | 1.4%) | Bellevue Club Swim Team | 05/28/2026 | 2026 IE VS Apple Capital | |
| 531 | Weibo Gao | 55.21 | 10 | B Min | BB: 54.39 (+0.82s | 1.5%) | Pacific Dragons Swim Team | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | |
| 532 | Kieran McLennan | 55.25 | 9 | B Min | BB: 54.39 (+0.86s | 1.6%) | Otter Swim Club | 05/16/2026 | 2026 DACA LC CBA+ | |
| 533 | Aiden Xu | 55.25 | 9 | B Min | BB: 54.39 (+0.86s | 1.6%) | Northern Nevada Aquatics | 07/10/2026 | 2026 NNA Silver State Championships | |
| 534 | Hohyeon Cho | 55.26 | 10 | B Min | BB: 54.39 (+0.87s | 1.6%) | Santa Clara Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 535 | Adam Wanichek | 55.26 | 10 | B Min | BB: 54.39 (+0.87s | 1.6%) | Bellevue Club Swim Team | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 536 | Benjamin Foster | 55.27 | 9 | B Min | BB: 54.39 (+0.88s | 1.6%) | Neptune Swimming | 06/12/2026 | Neptune Swimming June LC Meet | |
| 537 | Jason Ma | 55.27 | 10 | B Min | BB: 54.39 (+0.88s | 1.6%) | Palo Alto Stanford Aquatics | 06/12/2026 | 2026 DACA LC CBA Meet | |
| 538 | Gibson Haynes | 55.28 | 10 | B Min | BB: 54.39 (+0.89s | 1.6%) | Apex | 06/05/2026 | 2026 CST Summer Invitational | |
| 539 | Maxen Cao | 55.32 | 10 | B Min | BB: 54.39 (+0.93s | 1.7%) | Otter Swim Club | 05/16/2026 | 2026 DACA LC CBA+ | |
| 540 | Charlie Wheeler | 55.33 | 10 | B Min | BB: 54.39 (+0.94s | 1.7%) | Longmont Swim Club | 06/18/2026 | 2026 CO Grand Junction Invitational | |
| 541 | Eli Shin | 55.34 | 9 | B Min | BB: 54.39 (+0.95s | 1.7%) | Stingray Swim Team | 06/13/2026 | 2026 PN IST June Invtational Approved | |
| 542 | Lionel Sudduth | 55.35 | 9 | B Min | BB: 54.39 (+0.96s | 1.7%) | Excel Aquatics | 06/04/2026 | 2026 Beaman Toyota Firecracker Invite | |
| 543 | Jay Chao | 55.36 | 10 | B Min | BB: 54.39 (+0.97s | 1.8%) | Pleasanton Seahawks | 06/13/2026 | PC CDST LC C B BB+ 26 074 | |
| 544 | Sebastien Prigent-Soong | 55.38 | 10 | B Min | BB: 54.39 (+0.99s | 1.8%) | Warrior Aquatic Club | 06/27/2026 | BIG ISLAND SWIMMING @ KSH | |
| 545 | Leonardo Torres Huchin | 55.40 | 9 | B Min | BB: 54.39 (+1.01s | 1.8%) | Colts | 05/01/2026 | 2026 ST AAAA 23rd Annual Cinco De Mayo | |
| 546 | Sriram Goriparthi | 55.41 | 10 | B Min | BB: 54.39 (+1.02s | 1.8%) | Front Range Barracudas | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 547 | Kyle Cheung | 55.41 | 10 | B Min | BB: 54.39 (+1.02s | 1.8%) | Palo Alto Stanford Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 548 | Elliott Poe Brown | 55.42 | 8 | B Min | BB: 54.39 (+1.03s | 1.9%) | Burlingame Aquatics | 05/02/2026 | Alto Spring Jam CBA | |
| 549 | Breydan Maumausolo-Sale | 55.44 | 9 | B Min | BB: 54.39 (+1.05s | 1.9%) | Kamehameha Swim Club | 06/06/2026 | 2026 15th Annual Wada Rainbow Invitational | |
| 550 | Ethan Smith | 55.44 | 10 | B Min | BB: 54.39 (+1.05s | 1.9%) | Bend Swim Club | 06/19/2026 | Bend Swim Club Sun Country Invite 2026 | |
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.