Western Zone Zone Boys 10 & under - 50 Y Back
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 | Michael Hefner | 40.94 | 9 | BB Min | A: 37.59 (+3.35s | 8.2%) | Aspen Swim Club | 06/27/2026 | 2026 CO Montrose Marlins Summer Open | |
| 452 | Levi Garay | 40.94 | 10 | BB Min | A: 37.59 (+3.35s | 8.2%) | Fontana Aquatics Club | 12/04/2025 | 2025 Holiday Swim Festival | |
| 453 | Jacob Chen | 40.95 | 9 | BB Min | A: 37.59 (+3.36s | 8.2%) | Alto Swim Club | 02/07/2026 | Alto Feb 7 8 CBA Valentines Day | |
| 454 | Koa Maday | 40.98 | 10 | BB Min | A: 37.59 (+3.39s | 8.3%) | Kona Aquatics Club | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 455 | Saien Wu | 40.99 | 10 | BB Min | A: 37.59 (+3.40s | 8.3%) | Bellevue Club Swim Team | 06/19/2026 | 2026 PN SRST Summer Invitational Approved | |
| 456 | Dominik Orlov | 41.04 | 10 | BB Min | A: 37.59 (+3.45s | 8.4%) | Avon Swim Club | 05/16/2026 | 2026 CO Sopris FAST Challenge | |
| 457 | Blake Hadfield | 41.04 | 10 | BB Min | A: 37.59 (+3.45s | 8.4%) | Aulea Swim Club | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 458 | Reean Shen | 41.05 | 10 | BB Min | A: 37.59 (+3.46s | 8.4%) | Pro Swimming | 06/19/2026 | 2026 PN PRO June Summer Intrasquad | |
| 459 | Vivaan Jagadish | 41.07 | 10 | BB Min | A: 37.59 (+3.48s | 8.5%) | Tualatin Hills Swim Club | 05/16/2026 | 2026 John DeRoest Sextathlon Swim Meet | |
| 460 | Enric Lee | 41.07 | 10 | BB Min | A: 37.59 (+3.48s | 8.5%) | Bay Club Aquatics | 07/10/2026 | 2026 SI JBST All Ages Last Chance Meet | |
| 461 | Ali Abolfadl | 41.08 | 9 | BB Min | A: 37.59 (+3.49s | 8.5%) | Olympic Cascade Aquatics | 10/18/2025 | 2025 PN VAST Fall Classic | |
| 462 | Levi Cheung | 41.08 | 8 | BB Min | A: 37.59 (+3.49s | 8.5%) | Beaverton Area Aquatics Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 463 | Miles Edwards | 41.09 | 9 | BB Min | A: 37.59 (+3.50s | 8.5%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 464 | Joon Cha | 41.10 | 10 | BB Min | A: 37.59 (+3.51s | 8.5%) | Pacific Swimming Zone | 04/26/2026 | 2026 Pacific Swimming Zone All Star Meet | |
| 465 | Atharv Tiruke | 41.11 | 9 | BB Min | A: 37.59 (+3.52s | 8.6%) | Sunnyvale Swim Club | 07/25/2026 | 2026 DACA SC CBA Meet | |
| 466 | Johnathan Weninger | 41.11 | 10 | BB Min | A: 37.59 (+3.52s | 8.6%) | Legacy Aquatics | 05/16/2026 | 2026 John DeRoest Sextathlon Swim Meet | |
| 467 | Luke Brophy | 41.12 | 10 | BB Min | A: 37.59 (+3.53s | 8.6%) | Irvine Novaquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 468 | Westley Berman | 41.14 | 10 | BB Min | A: 37.59 (+3.55s | 8.6%) | Palo Alto Stanford Aquatics | 12/20/2025 | 2025 PASA Winter Frolic Meet @ PALY HS | |
| 469 | Nil Shamshurin | 41.14 | 10 | BB Min | A: 37.59 (+3.55s | 8.6%) | Bure-Aqua Academy | 05/23/2026 | 2026 CO Loveland Snow Cone #1 | |
| 470 | Kai Chen | 41.15 | 10 | BB Min | A: 37.59 (+3.56s | 8.7%) | Alto Swim Club | 03/07/2026 | DACA CBA Meet | |
| 471 | Benjamin Krett | 41.15 | 9 | BB Min | A: 37.59 (+3.56s | 8.7%) | Denver Swim Academy | 03/06/2026 | 2026 CO 14 U Silver State | |
| 472 | Mo Chen | 41.15 | 10 | BB Min | A: 37.59 (+3.56s | 8.7%) | Wave Aquatics | 06/19/2026 | 2026 PN SRST Summer Invitational Approved | |
| 473 | Daniel Chang | 41.16 | 9 | BB Min | A: 37.59 (+3.57s | 8.7%) | Brea Aquatics | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 474 | Moses Xia | 41.16 | 10 | BB Min | A: 37.59 (+3.57s | 8.7%) | Wasc | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 475 | Avyan Bajpai | 41.18 | 10 | BB Min | A: 37.59 (+3.59s | 8.7%) | Hillsboro Swim Team | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 476 | Anderson Fang | 41.18 | 8 | BB Min | A: 37.59 (+3.59s | 8.7%) | Reno Aquatic Club | 07/31/2026 | 2026 High Country Short Course Championship | |
| 477 | Noah Jagdev | 41.18 | 10 | BB Min | A: 37.59 (+3.59s | 8.7%) | San Ramon Valley Aquatics | 07/25/2026 | Zone 2 Summer Championships | |
| 478 | Kevin Nguyen | 41.21 | 10 | BB Min | A: 37.59 (+3.62s | 8.8%) | Legacy Aquatics | 05/16/2026 | 2026 John DeRoest Sextathlon Swim Meet | |
| 479 | Ruslan Kalinnikov | 41.22 | 8 | BB Min | A: 37.59 (+3.63s | 8.8%) | Olympus Aquatics | 12/29/2025 | 60th Kearns Holiday Open Invitational | |
| 480 | Connor Chiang | 41.22 | 10 | BB Min | A: 37.59 (+3.63s | 8.8%) | West Coast Aquatics | 02/27/2026 | 2026 PN Feb Age Group Invite,Div 3 Approved | |
| 481 | Jason Yin | 41.23 | 9 | BB Min | A: 37.59 (+3.64s | 8.8%) | Unattached | 11/15/2025 | Alto Nov 15 16 Fall Frolic | |
| 482 | Aaden Foster | 41.24 | 10 | BB Min | A: 37.59 (+3.65s | 8.9%) | Denver Swim Academy | 03/06/2026 | 2026 CO 14 U Silver State | |
| 483 | Hantian You | 41.26 | 10 | BB Min | A: 37.59 (+3.67s | 8.9%) | Lake Oswego Swim Club | 05/09/2026 | 2026 Spring Sprinter Invitational | |
| 484 | Micah Legaspi | 41.26 | 10 | BB Min | A: 37.59 (+3.67s | 8.9%) | Monterey Bay Swim Club | 07/24/2026 | CVAL 2026 | |
| 485 | Ivan Smarshchok | 41.27 | 9 | BB Min | A: 37.59 (+3.68s | 8.9%) | King Aquatic Club | 01/24/2026 | 2026 PN IST January Invitational Approved | |
| 486 | Aaron Wang | 41.29 | 9 | BB Min | A: 37.59 (+3.70s | 9.0%) | Brea Aquatics | 02/13/2026 | 2026 MVN Lunar AAPI Festival | |
| 487 | Sean Maisen | 41.29 | 10 | BB Min | A: 37.59 (+3.70s | 9.0%) | Quicksilver Swimming | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 488 | Anthony Ma | 41.31 | 10 | BB Min | A: 37.59 (+3.72s | 9.0%) | Cottonwood Heights Aquatics | 03/05/2025 | 2025 Short Course UTAGS Championships | |
| 489 | Edward Uvejzovic | 41.32 | 10 | BB Min | A: 37.59 (+3.73s | 9.0%) | Olympus Aquatics | 12/13/2025 | 2025 UTAH Winter Classic | |
| 490 | Evan Wang | 41.34 | 9 | BB Min | A: 37.59 (+3.75s | 9.1%) | Olympic Cascade Aquatics | 03/19/2026 | 2026 NW Region Age Group Champs Approved | |
| 491 | Benjamin Robinson | 41.35 | 10 | BB Min | A: 37.59 (+3.76s | 9.1%) | Neptune Swimming | 07/25/2026 | 2026 REAL Championships | |
| 492 | Ayaan Shaik | 41.36 | 10 | BB Min | A: 37.59 (+3.77s | 9.1%) | Apex | 01/23/2026 | 2026 TTSC Winter Qualifier | |
| 493 | Finn Blakeslee | 41.37 | 10 | BB Min | A: 37.59 (+3.78s | 9.1%) | Hood River Valley Swim Team | 05/09/2026 | 2026 Spring Sprinter Invitational | |
| 494 | Caleb Gray | 41.37 | 8 | BB Min | A: 37.59 (+3.78s | 9.1%) | Santa Clara Swim Club | 02/28/2026 | Swim South Bay | |
| 495 | Gavin Yang | 41.41 | 10 | BB Min | A: 37.59 (+3.82s | 9.2%) | Alto Swim Club | 01/24/2026 | 2026 Zone 1 North Championships | |
| 496 | Adelynn Spurlin | 41.43 | 10 | BB Min | A: 37.59 (+3.84s | 9.3%) | North Jeffco Swim Team | 01/09/2026 | 2026 CO NJ Narwhal Invitational | |
| 497 | Ethan Holmgren | 41.44 | 10 | BB Min | A: 37.59 (+3.85s | 9.3%) | North Jeffco Swim Team | 02/13/2026 | 2026 CO NJ Groundhog Invite | |
| 498 | Felix Wang | 41.44 | 10 | BB Min | A: 37.59 (+3.85s | 9.3%) | Eastside Aquatic Swim Team | 12/12/2025 | 2025 PN 14 Under Short Course Champs Approved | |
| 499 | Cy Cooper | 41.44 | 10 | BB Min | A: 37.59 (+3.85s | 9.3%) | Kamehameha Swim Club | 11/09/2025 | OSL A+ SCY Meet | |
| 500 | Quintus Cheung | 41.45 | 8 | BB Min | A: 37.59 (+3.86s | 9.3%) | Milpitas Aquatic Club | 02/07/2026 | Valley Splash Short Course C B A Meet | |
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.