Western Zone Zone Boys 10 & under - 50 M 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 | Steven Wang | 49.57 | 10 | B Min | BB: 49.29 (+0.28s | 0.6%) | Wave Aquatics | 07/18/2025 | 2025 PN Chinook Age Group Seattle Open | |
| 452 | Leo Ioffe | 49.58 | 9 | B Min | BB: 49.29 (+0.29s | 0.6%) | Santa Clara Swim Club | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 453 | Knox Monsivais | 49.65 | 9 | B Min | BB: 49.29 (+0.36s | 0.7%) | Lehi Aquatics | 07/17/2025 | 2025 UTAGS LC Championships | |
| 454 | Hunter Atkins | 49.66 | 9 | B Min | BB: 49.29 (+0.37s | 0.7%) | Palo Alto Stanford Aquatics | 05/30/2025 | VJO S Tuffy Williams Summer Kickoff Classic | |
| 455 | Eli Bywater | 49.68 | 8 | B Min | BB: 49.29 (+0.39s | 0.8%) | South Davis Aquatics Team | 07/17/2025 | 2025 UTAGS LC Championships | |
| 456 | Ico Tamayo | 49.75 | 8 | B Min | BB: 49.29 (+0.46s | 0.9%) | Cali Piranha Swim Team | 07/11/2025 | 2025 SI JBST All Ages NTS Meet | |
| 457 | Aden Sun | 49.78 | 9 | B Min | BB: 49.29 (+0.49s | 1.0%) | Burlingame Aquatics | 06/13/2025 | 2025 CO CSI Long Course Open | |
| 458 | Gage Sena | 49.80 | 9 | B Min | BB: 49.29 (+0.51s | 1.0%) | Lamarlins Swim Team, Inc. | 07/12/2025 | 2025 Canon City Pentathlon | |
| 459 | Ezz Abdelhadi | 49.81 | 9 | B Min | BB: 49.29 (+0.52s | 1.0%) | Palo Alto Stanford Aquatics | 05/24/2025 | 2025 Mike Snyder Memorial | |
| 460 | Simon Stapley | 49.85 | 10 | B Min | BB: 49.29 (+0.56s | 1.1%) | Olympus Aquatics | 07/17/2025 | 2025 UTAGS LC Championships | |
| 461 | Yeim Jung | 49.86 | 9 | B Min | BB: 49.29 (+0.57s | 1.1%) | Wave Aquatics | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | |
| 462 | Caleb Tos | 49.87 | 9 | B Min | BB: 49.29 (+0.58s | 1.2%) | Tule Nation Tritons | 06/21/2025 | 2025 FDST June A B Modified LC Invitational | |
| 463 | Max Peterson | 49.88 | 9 | B Min | BB: 49.29 (+0.59s | 1.2%) | Cottonwood Heights Aquatics | 07/17/2025 | 2025 UTAGS LC Championships | |
| 464 | Adam Zamora | 49.89 | 10 | B Min | BB: 49.29 (+0.60s | 1.2%) | La Grande Swim Club | 07/25/2025 | 2025 IES LC CHAMPIONSHIPS | |
| 465 | Nhat Tran | 49.92 | 9 | B Min | BB: 49.29 (+0.63s | 1.3%) | Olympic Cascade Aquatics | 07/11/2025 | 2025 PN OCA July Jamboree Invitational | |
| 466 | Edward Uvejzovic | 49.94 | 9 | B Min | BB: 49.29 (+0.65s | 1.3%) | Olympus Aquatics | 06/27/2025 | 2nd Annual Water Dragon Open | |
| 467 | Dashel Archer | 49.94 | 9 | B Min | BB: 49.29 (+0.65s | 1.3%) | Evergreen Hurricanes | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 468 | Daniel Kalinovski | 49.95 | 9 | B Min | BB: 49.29 (+0.66s | 1.3%) | Otter Swim Club | 06/27/2025 | Silicon Valley LC CBA+ Meet | |
| 469 | Jaxon Mendoza | 49.97 | 9 | B Min | BB: 49.29 (+0.68s | 1.4%) | San Benito Aquatics | 05/18/2024 | San Benito Aquatics C B A+ | |
| 470 | Benjamin Dussel | 49.98 | 9 | B Min | BB: 49.29 (+0.69s | 1.4%) | Multnomah Athletic Club | 06/06/2025 | 2025 CST Summer Invitational | |
| 471 | Hunter Lind | 50.04 | 8 | B Min | BB: 49.29 (+0.75s | 1.5%) | Wasatch Front Fish Market | 07/17/2025 | 2025 UTAGS LC Championships | |
| 472 | Jerry Chen | 50.05 | 10 | B Min | BB: 49.29 (+0.76s | 1.5%) | Tri-city Channel Cats | 06/06/2025 | 2025 TRI CITY INVITATIONAL | |
| 473 | Oliver Skoubo | 50.05 | 9 | B Min | BB: 49.29 (+0.76s | 1.5%) | River Road Swim Team | 05/02/2025 | 2025 AAA May LC Invitational | |
| 474 | Henry Fredericks | 50.07 | 8 | B Min | BB: 49.29 (+0.78s | 1.6%) | COSA Swimming | 04/26/2025 | 2025 CO COSA Spring LC Kick Off | |
| 475 | Miles Gilbert | 50.08 | 10 | B Min | BB: 49.29 (+0.79s | 1.6%) | Hilltop Aquatic Swim Team | 07/17/2025 | 2025 UTAGS LC Championships | |
| 476 | Jamie Russell | 50.09 | 8 | B Min | BB: 49.29 (+0.80s | 1.6%) | Santa Clara Swim Club | 06/27/2025 | Valley Splash | |
| 477 | Adrian Goo | 50.15 | 9 | B Min | BB: 49.29 (+0.86s | 1.7%) | Walnut Creek Aquabears | 06/07/2025 | Orinda Aquatics LC C B BB+ Meet | |
| 478 | Adi Bisht | 50.16 | 10 | B Min | BB: 49.29 (+0.87s | 1.7%) | Valley Splash | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 479 | Anzel Annan | 50.17 | 9 | B Min | BB: 49.29 (+0.88s | 1.8%) | Aspire Aquatics of Colorado | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 480 | Grennan Patel | 50.21 | 10 | B Min | BB: 49.29 (+0.92s | 1.8%) | Neptune Swimming | 07/11/2025 | 2025 Age Group Championships | |
| 481 | Adam Kirk | 50.24 | 9 | B Min | BB: 49.29 (+0.95s | 1.9%) | Palo Alto Stanford Aquatics | 05/16/2025 | 2025 DACA LC CBA Meet | |
| 482 | Ernesto Galindo Sandoval | 50.25 | 9 | B Min | BB: 49.29 (+0.96s | 1.9%) | Halcones Marinos Capn | 05/02/2025 | 2025 ST 22nd Annual Cinco De Mayo | |
| 483 | Ethan Williams | 50.32 | 10 | B Min | BB: 49.29 (+1.03s | 2.0%) | SaltRakers Aquatic Club | 07/04/2025 | 2025 SPA S SEMINOLE SUNRISE LANES SWIM MEET | |
| 484 | Rowan Sargent | 50.32 | 8 | B Min | BB: 49.29 (+1.03s | 2.0%) | Unattached | 07/11/2025 | 2025 CO NJ Firecracker Invite | |
| 485 | Johnathan Wang | 50.33 | 8 | B Min | BB: 49.29 (+1.04s | 2.1%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 486 | Theodore McElderry | 50.36 | 9 | B Min | BB: 49.29 (+1.07s | 2.1%) | Utah Valley Aquatics | 07/17/2025 | 2025 UTAGS LC Championships | |
| 487 | Gabriel Saldanha | 50.38 | 9 | B Min | BB: 49.29 (+1.09s | 2.2%) | Wasatch Front Fish Market | 08/01/2025 | 2025 LC Beehive Finale | |
| 488 | Hugo Pace | 50.39 | 9 | B Min | BB: 49.29 (+1.10s | 2.2%) | Pacifica Sea Lions | 05/17/2025 | 2025 LAMV SCM C B A+ | |
| 489 | Ivan Smarshchok | 50.43 | 8 | B Min | BB: 49.29 (+1.14s | 2.3%) | King Aquatic Club | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | |
| 490 | Daniel Klyzhko | 50.44 | 10 | B Min | BB: 49.29 (+1.15s | 2.3%) | Cypress Fairbanks Swim Club | 06/13/2025 | 2025 ST ASC Firecracker | |
| 491 | Brock Hawrylak | 50.47 | 9 | B Min | BB: 49.29 (+1.18s | 2.3%) | Aquawolves Swimming | 04/25/2025 | 2025 CO Steve Drozda LC Shotgun | |
| 492 | Xavier Anderson | 50.50 | 8 | B Min | BB: 49.29 (+1.21s | 2.4%) | Albany Aquatic Association | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 493 | Kota Whitman | 50.50 | 10 | B Min | BB: 49.29 (+1.21s | 2.4%) | North Bay Aquatics | 06/21/2025 | NVST Last Chance AG Champs Summer Plunge 2025 | |
| 494 | Benjamin Li | 50.55 | 10 | B Min | BB: 49.29 (+1.26s | 2.5%) | Seattle Metropolitan Aquatic C | 05/29/2025 | 2025 IE VS Apple Capital | |
| 495 | Aiden Tam | 50.58 | 10 | B Min | BB: 49.29 (+1.29s | 2.6%) | Sunnyvale Swim Club | 06/27/2025 | Silicon Valley LC CBA+ Meet | |
| 496 | Mateo Sison | 50.60 | 9 | B Min | BB: 49.29 (+1.31s | 2.6%) | San Ramon Valley Aquatics | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 497 | Cannon Brown | 50.63 | 9 | B Min | BB: 49.29 (+1.34s | 2.6%) | Olympic Cascade Aquatics | 05/16/2025 | 2025 PN IST Sockeye Springtime Madness | |
| 498 | Amar Alwattar | 50.64 | 8 | B Min | BB: 49.29 (+1.35s | 2.7%) | Montclair Swim Team | 06/08/2024 | Orinda Aquatics LC C B BB+ Meet | |
| 499 | Calvin Larkin | 50.64 | 8 | B Min | BB: 49.29 (+1.35s | 2.7%) | Bend Swim Club | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 500 | Ezra Howell | 50.65 | 9 | B Min | BB: 49.29 (+1.36s | 2.7%) | Sun Valley 5 B | 06/07/2025 | Summer Classics 2025 | |
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.