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 | William Foster | 46.66 | 10 | BB Min | A: 43.09 (+3.57s | 7.7%) | Wave Aquatics | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 452 | Joseph Gordon | 46.66 | 10 | BB Min | A: 43.09 (+3.57s | 7.7%) | Unattached | 05/23/2026 | 2026 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 453 | Hudson Vieth | 46.66 | 10 | BB Min | A: 43.09 (+3.57s | 7.7%) | Cascade Swim Club | 06/06/2026 | 2026 PN CSC Swimtacular Approved | |
| 454 | Noah Jagdev | 46.68 | 10 | BB Min | A: 43.09 (+3.59s | 7.7%) | San Ramon Valley Aquatics | 04/25/2026 | San Ramon Valley Aquatics Long Course C B BB+ | |
| 455 | Archie McCallum | 46.68 | 8 | BB Min | A: 43.09 (+3.59s | 7.7%) | Poseidon Aquatic Club | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 456 | Lucas Sun | 46.70 | 10 | BB Min | A: 43.09 (+3.61s | 7.7%) | Alto Swim Club | 06/20/2026 | Alto Summer Swelter | |
| 457 | Damon Shao | 46.73 | 9 | BB Min | A: 43.09 (+3.64s | 7.8%) | Alto Swim Club | 06/20/2026 | Alto Summer Swelter | |
| 458 | Wesley Lang | 46.75 | 9 | BB Min | A: 43.09 (+3.66s | 7.8%) | River Road Swim Team | 06/05/2026 | 2026 AAA Summer Blast LC Invite | |
| 459 | Wesley Clemens | 46.76 | 10 | BB Min | A: 43.09 (+3.67s | 7.8%) | Bay Club Aquatics | 04/24/2026 | 2026 SI PS ABB Meet B Group | |
| 460 | Logan Liew | 46.76 | 10 | BB Min | A: 43.09 (+3.67s | 7.8%) | Streamliner Aquatics | 07/18/2025 | 2025 LCM Summer Championships | |
| 461 | Aiden Mao | 46.76 | 10 | BB Min | A: 43.09 (+3.67s | 7.8%) | Pacific Dragons Swim Team | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 462 | Daniel Heilman | 46.76 | 10 | BB Min | A: 43.09 (+3.67s | 7.8%) | San Francisco Seals Swim Team | 06/07/2025 | 2025 06 07 CDST LC C B BB+ Meet | |
| 463 | David Rivera | 46.77 | 10 | BB Min | A: 43.09 (+3.68s | 7.9%) | Almaden Riptide | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 464 | Wyatt Comfort | 46.80 | 9 | BB Min | A: 43.09 (+3.71s | 7.9%) | Eastmont | 06/19/2026 | 2026 IE VS Starlight Open (USAS) | |
| 465 | Reed Mock | 46.81 | 10 | BB Min | A: 43.09 (+3.72s | 7.9%) | South Orange County Aquatics | 06/13/2024 | 2024 CA SCS NOVA June Age Group Invite | |
| 466 | Miles Wang | 46.82 | 9 | BB Min | A: 43.09 (+3.73s | 8.0%) | Pleasanton Seahawks | 05/23/2026 | 2026 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 467 | Skyler Swisher | 46.83 | 9 | BB Min | A: 43.09 (+3.74s | 8.0%) | North Coast Aquatics | 06/06/2026 | 2026 SI JBST SPLASH DASH MAX | |
| 468 | Kolten Graver | 46.84 | 10 | BB Min | A: 43.09 (+3.75s | 8.0%) | Life Time Colorado Swim Club | 06/19/2026 | 2026 CO Falfins Long Course Open | |
| 469 | Yunhan Song | 46.84 | 10 | BB Min | A: 43.09 (+3.75s | 8.0%) | Eastside Aquatic Swim Team | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 470 | Evan Yang | 46.85 | 8 | BB Min | A: 43.09 (+3.76s | 8.0%) | Lake Oswego Swim Club | 04/25/2026 | GACC Spring Invitational | |
| 471 | Liam Larson | 46.87 | 9 | BB Min | A: 43.09 (+3.78s | 8.1%) | Pacific Swim | 06/19/2026 | 2026 SI Splash And Dash | |
| 472 | Reean Shen | 46.87 | 10 | BB Min | A: 43.09 (+3.78s | 8.1%) | Pro Swimming | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | |
| 473 | Lucas Richardson | 46.88 | 10 | BB Min | A: 43.09 (+3.79s | 8.1%) | Hawaii Swimming Club | 07/03/2026 | 2026 Keo Nakama Swim Meet | |
| 474 | David Renko | 46.88 | 9 | BB Min | A: 43.09 (+3.79s | 8.1%) | Wasatch Front Fish Market | 06/27/2025 | WFFM Red White And Black 2025 | |
| 475 | Yichen Wang | 46.90 | 9 | BB Min | A: 43.09 (+3.81s | 8.1%) | Alto Swim Club | 05/02/2026 | Alto Spring Jam CBA | |
| 476 | Bennett Kohlmeyer | 46.90 | 10 | BB Min | A: 43.09 (+3.81s | 8.1%) | Life Time Colorado Swim Club | 04/26/2025 | 2025 CO FST Spring LC Fever | |
| 477 | Henry O'Shea | 46.91 | 9 | BB Min | A: 43.09 (+3.82s | 8.1%) | Billings YMCA | 06/12/2026 | 2026 RST Coach Beth Rushmore Classic | |
| 478 | Ryan Lee | 46.91 | 10 | BB Min | A: 43.09 (+3.82s | 8.1%) | Highlands Ranch Aquatics | 04/24/2026 | 2026 CO Steve Drozda LC Shotgun | |
| 479 | Leo Grace | 46.93 | 8 | BB Min | A: 43.09 (+3.84s | 8.2%) | Unattached | 05/29/2026 | 2026 TRI CITY INVITATIONAL | |
| 480 | Landon Noble | 46.93 | 9 | BB Min | A: 43.09 (+3.84s | 8.2%) | Highlands Ranch Aquatics | 06/05/2026 | 2026 CO NJ Summer Solstice Invite | |
| 481 | Leon Ye | 46.94 | 10 | BB Min | A: 43.09 (+3.85s | 8.2%) | Issaquah Swim Team | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 482 | Jayke Hung | 46.95 | 10 | BB Min | A: 43.09 (+3.86s | 8.2%) | Bellevue Club Swim Team | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 483 | Kendrick Cui | 46.98 | 8 | BB Min | A: 43.09 (+3.89s | 8.3%) | West Coast Aquatics | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 484 | Lucas Wang | 46.98 | 10 | BB Min | A: 43.09 (+3.89s | 8.3%) | Chinook Aquatic Club | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 485 | Miles VanderLinden | 46.99 | 9 | BB Min | A: 43.09 (+3.90s | 8.3%) | Truckee-Tahoe Swim Team | 05/22/2026 | 2026 Intermountain Classic Long Course Meet | |
| 486 | Fedor Evstigneev | 47.00 | 9 | BB Min | A: 43.09 (+3.91s | 8.3%) | Santa Clara Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 487 | Matthew McNeilly | 47.01 | 9 | BB Min | A: 43.09 (+3.92s | 8.3%) | Colorado Stingrays Swim Team | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 488 | Octavio Bejarano Barraza | 47.06 | 10 | BB Min | A: 43.09 (+3.97s | 8.4%) | Centro Acuatico Universitario | 05/16/2026 | 2026 BD SWAT School S Out Summer Bash | |
| 489 | Giovanni Bigelow | 47.06 | 10 | BB Min | A: 43.09 (+3.97s | 8.4%) | Thunderbird Aquatic Club | 06/19/2026 | 2026 IE VS Starlight Open (USAS) | |
| 490 | Holden Ling | 47.06 | 10 | BB Min | A: 43.09 (+3.97s | 8.4%) | The Olympic Club | 05/29/2026 | VJO S Tuffy Williams Summer Kickoff Classic | |
| 491 | Yeim Jung | 47.06 | 10 | BB Min | A: 43.09 (+3.97s | 8.4%) | Wave Aquatics | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 492 | Lukas Zazhitskiy | 47.08 | 9 | BB Min | A: 43.09 (+3.99s | 8.5%) | Highlands Ranch Aquatics | 06/05/2026 | 2026 CO NJ Summer Solstice Invite | |
| 493 | Cayden Lin | 47.09 | 10 | BB Min | A: 43.09 (+4.00s | 8.5%) | Rosemead Rapids | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 494 | Jeremiah Lee | 47.12 | 10 | BB Min | A: 43.09 (+4.03s | 8.6%) | Chinook Aquatic Club | 05/28/2026 | 2026 IE VS Apple Capital | |
| 495 | Aiden Huang | 47.15 | 10 | BB Min | A: 43.09 (+4.06s | 8.6%) | DeAnza Cupertino Aquatics | 06/12/2026 | 2026 DACA LC CBA Meet | |
| 496 | Elliott Lee Chan Kam | 47.15 | 10 | BB Min | A: 43.09 (+4.06s | 8.6%) | Alto Swim Club | 06/20/2026 | Alto Summer Swelter | |
| 497 | Neal Hiuga | 47.16 | 9 | BB Min | A: 43.09 (+4.07s | 8.6%) | California Gold | 05/23/2026 | 2026 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 498 | Aleksander Zuev | 47.16 | 10 | BB Min | A: 43.09 (+4.07s | 8.6%) | Foothills Swim Team | 06/26/2026 | 2026 CO Zone 2 District Meet AAC | |
| 499 | Harvey Yuan | 47.18 | 8 | BB Min | A: 43.09 (+4.09s | 8.7%) | Pacific Swim | 04/24/2026 | 2026 SI PS ABB Meet Group A | |
| 500 | James Foster | 47.20 | 9 | BB Min | A: 43.09 (+4.11s | 8.7%) | Aquawolves Swimming | 04/24/2026 | 2026 CO Steve Drozda LC Shotgun | |
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.