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 | |
|---|---|---|---|---|---|---|---|---|---|
| 451 | Muyang He | 54.08 | 10 | BB Min | A: 47.89 (+6.19s | 11.4%) | Santa Clara Swim Club | 07/19/2025 | Santa Clara Valley Splash Block Party | |
| 452 | Andre Vlaev | 54.09 | 9 | BB Min | A: 47.89 (+6.20s | 11.5%) | Palo Alto Stanford Aquatics | 06/12/2026 | 2026 DACA LC CBA Meet | |
| 453 | Samuel Ellsworth | 54.10 | 10 | BB Min | A: 47.89 (+6.21s | 11.5%) | Boise Swim Club | 07/18/2025 | 2025 LCM Summer Championships | |
| 454 | Brayden Nguyen | 54.10 | 10 | BB Min | A: 47.89 (+6.21s | 11.5%) | San Jose Goosemonkeys | 06/20/2026 | Zone 1 South Swim Under The Stars | |
| 455 | Cimon Bunuan | 54.12 | 9 | BB Min | A: 47.89 (+6.23s | 11.5%) | South San Francisco Aquatics | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | |
| 456 | Ian Zhang | 54.14 | 10 | BB Min | A: 47.89 (+6.25s | 11.5%) | Apex | 06/05/2026 | 2026 CST Summer Invitational | |
| 457 | Oleksandr Sydorchuk | 54.15 | 10 | BB Min | A: 47.89 (+6.26s | 11.6%) | Bure-Aqua Academy | 04/24/2026 | 2026 CO Arena Catch Me If You Can | |
| 458 | Norne Fang | 54.17 | 8 | BB Min | A: 47.89 (+6.28s | 11.6%) | Milpitas Aquatic Club | 05/30/2026 | MAC May 30 LCM Block Party | |
| 459 | Noah Chiu | 54.18 | 10 | BB Min | A: 47.89 (+6.29s | 11.6%) | Alto Swim Club | 07/25/2026 | Alto Last Splash | |
| 460 | Nikshay Chandrasekar | 54.18 | 10 | BB Min | A: 47.89 (+6.29s | 11.6%) | Pro Swimming | 07/10/2026 | 2026 PN OCA Last Chance Invitational Approve | |
| 461 | Rufus Tang | 54.20 | 10 | BB Min | A: 47.89 (+6.31s | 11.6%) | Pacific Dragons Swim Team | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 462 | Piradon Pukrittayakamee | 54.21 | 9 | BB Min | A: 47.89 (+6.32s | 11.7%) | California Dolphins Swim Team | 06/13/2026 | PC CDST LC C B BB+ 26 074 | |
| 463 | Leif Chang | 54.24 | 10 | BB Min | A: 47.89 (+6.35s | 11.7%) | Rancho San Dieguito | 07/23/2026 | 2026 SI LC AGE GROUP CHAMPIONSHIPS | |
| 464 | Noah Gonzales | 54.26 | 10 | BB Min | A: 47.89 (+6.37s | 11.7%) | South San Francisco Aquatics | 06/12/2026 | BAC Long Course | |
| 465 | Everest Orwick | 54.27 | 10 | BB Min | A: 47.89 (+6.38s | 11.8%) | Team Eugene Aquatics | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 466 | Nguyen Tran | 54.27 | 9 | BB Min | A: 47.89 (+6.38s | 11.8%) | Olympic Cascade Aquatics | 06/26/2026 | 2026 PN SMAC Summer Classic Invite Approved | |
| 467 | Jeremy Lyu | 54.36 | 10 | BB Min | A: 47.89 (+6.47s | 11.9%) | Wave Aquatics | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 468 | Sanders Ford | 54.36 | 9 | BB Min | A: 47.89 (+6.47s | 11.9%) | Las Cruces Aquatic Team | 06/12/2026 | 2026 BD DSSC Poppas Day | |
| 469 | Adam Kao | 54.37 | 10 | BB Min | A: 47.89 (+6.48s | 11.9%) | Life Time Oregon Swim Team | 04/18/2025 | 2025 MAC LONG COURSE INVITATIONAL | |
| 470 | Adam Alqaqaa | 54.37 | 10 | BB Min | A: 47.89 (+6.48s | 11.9%) | Front Range Barracudas | 07/10/2026 | 2026 CO NCS Gold District Championships | |
| 471 | Lucas Dou | 54.38 | 9 | BB Min | A: 47.89 (+6.49s | 11.9%) | Blue Dolphin Swim Team | 07/10/2026 | 2026 PN OCA Last Chance Invitational Approve | |
| 472 | Quintus Cheung | 54.41 | 9 | B Min | BB: 54.39 (+0.02s | 0.0%) | Milpitas Aquatic Club | 05/30/2026 | MAC May 30 LCM Block Party | |
| 473 | Alexander Zhurid | 54.41 | 9 | B Min | BB: 54.39 (+0.02s | 0.0%) | Bellevue Club Swim Team | 06/26/2026 | 2026 PN SMAC Summer Classic Invite Approved | |
| 474 | Diego Pisoni | 54.45 | 9 | B Min | BB: 54.39 (+0.06s | 0.1%) | Neptune Swimming | 06/12/2026 | Neptune Swimming June LC Meet | |
| 475 | Ryan Hu | 54.46 | 9 | B Min | BB: 54.39 (+0.07s | 0.1%) | Wave Aquatics | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | |
| 476 | Henry Luevano | 54.46 | 9 | B Min | BB: 54.39 (+0.07s | 0.1%) | Aces Swim Club | 07/10/2026 | 2026 CO ACES DSA Summer Blast | |
| 477 | Anzel Annan | 54.46 | 10 | B Min | BB: 54.39 (+0.07s | 0.1%) | Aspire Aquatics of Colorado | 07/10/2026 | 2026 CO Firecracker Last Chance Invite | |
| 478 | Andrei Talalay | 54.49 | 9 | B Min | BB: 54.39 (+0.10s | 0.2%) | Tualatin Hills Swim Club | 05/01/2026 | 2026 THSC Spring Invite | |
| 479 | Marcus Olarte | 54.49 | 10 | B Min | BB: 54.39 (+0.10s | 0.2%) | Seattle Metropolitan Aquatic C | 07/09/2026 | 2026 PN Chinook Seattle Age Group Open Appro | |
| 480 | Eric Yu | 54.51 | 9 | B Min | BB: 54.39 (+0.12s | 0.2%) | Bellevue Club Swim Team | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 481 | Kenneth Green | 54.51 | 10 | B Min | BB: 54.39 (+0.12s | 0.2%) | Pro Swimming | 07/10/2026 | 2026 PN OCA Last Chance Invitational Approve | |
| 482 | Milo Parrocha-Lambert | 54.56 | 9 | B Min | BB: 54.39 (+0.17s | 0.3%) | Seattle Metropolitan Aquatic C | 06/26/2026 | 2026 PN SMAC Summer Classic Invite Approved | |
| 483 | Hudson Goodrich | 54.58 | 9 | B Min | BB: 54.39 (+0.19s | 0.3%) | Denver Swim Academy | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 484 | Garrett Legg | 54.60 | 9 | B Min | BB: 54.39 (+0.21s | 0.4%) | Pleasanton Seahawks | 06/13/2026 | PC CDST LC C B BB+ 26 074 | |
| 485 | Sebastian Lam | 54.60 | 9 | B Min | BB: 54.39 (+0.21s | 0.4%) | Bellevue Club Swim Team | 07/09/2026 | 2026 PN Chinook Seattle Age Group Open Appro | |
| 486 | Ishaan Mittal | 54.62 | 10 | B Min | BB: 54.39 (+0.23s | 0.4%) | Rogue Rapids | 06/26/2026 | 2026 TEAM Summer Invitational | |
| 487 | Alex Li | 54.63 | 10 | B Min | BB: 54.39 (+0.24s | 0.4%) | Unattached | 06/20/2026 | Zone 1 South Swim Under The Stars | |
| 488 | William Yang | 54.64 | 10 | B Min | BB: 54.39 (+0.25s | 0.5%) | Tualatin Hills Swim Club | 06/12/2026 | 2026 THSC June Open | |
| 489 | Eastok Ilic | 54.65 | 10 | B Min | BB: 54.39 (+0.26s | 0.5%) | Bulldog Swim Club | 05/02/2026 | Alto Spring Jam CBA | |
| 490 | James Foster | 54.65 | 10 | B Min | BB: 54.39 (+0.26s | 0.5%) | Aquawolves Swimming | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 491 | Caleb Stone | 54.67 | 10 | B Min | BB: 54.39 (+0.28s | 0.5%) | Bellingham Bay Swim Team | 06/19/2026 | 2026 IE VS Starlight Open (USAS) | |
| 492 | Daniel Titianu | 54.69 | 9 | B Min | BB: 54.39 (+0.30s | 0.5%) | Rogue Rapids | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 493 | Lance Coyne | 54.70 | 9 | B Min | BB: 54.39 (+0.31s | 0.6%) | Mission Aurora Colorado Swimmi | 04/24/2026 | 2026 CO Arena Catch Me If You Can | |
| 494 | Dashel Archer | 54.71 | 10 | B Min | BB: 54.39 (+0.32s | 0.6%) | Evergreen Hurricanes | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 495 | Derek Zhu | 54.71 | 10 | B Min | BB: 54.39 (+0.32s | 0.6%) | Chinook Aquatic Club | 07/09/2026 | 2026 PN Chinook Seattle Age Group Open Appro | |
| 496 | Benjamin Krett | 54.71 | 9 | B Min | BB: 54.39 (+0.32s | 0.6%) | Denver Swim Academy | 06/05/2026 | 2026 CO NJ Summer Solstice Invite | |
| 497 | Andrew Yang | 54.73 | 9 | B Min | BB: 54.39 (+0.34s | 0.6%) | Pacific Dragons Swim Team | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 498 | Owen Richards | 54.73 | 10 | B Min | BB: 54.39 (+0.34s | 0.6%) | Heartland Swim Assoc | 05/23/2026 | 2026 SI HSA A All Ages NTS May 23 24 | |
| 499 | Hogan Crow | 54.73 | 10 | B Min | BB: 54.39 (+0.34s | 0.6%) | Unattached | 06/19/2026 | 2026 SWAT Summer Solstice | |
| 500 | Oliver Song Zhang | 54.75 | 10 | B Min | BB: 54.39 (+0.36s | 0.7%) | West Coast Aquatics | 07/23/2026 | 2026 PN 12 U Long Course Championships Appro | |
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.