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 | |
|---|---|---|---|---|---|---|---|---|---|
| 301 | Charles Tan | 44.25 | 10 | BB Min | A: 43.09 (+1.16s | 2.6%) | Eastside Aquatic Swim Team | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 302 | Jed El Abed | 44.28 | 10 | BB Min | A: 43.09 (+1.19s | 2.7%) | H2o Swim Team | 06/11/2026 | 2026 SCS June AG Invite CANY | |
| 303 | Brian Zhang | 44.30 | 8 | BB Min | A: 43.09 (+1.21s | 2.7%) | Rose Bowl Aquatics | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 304 | Bryce Alpert | 44.32 | 9 | BB Min | A: 43.09 (+1.23s | 2.8%) | Aquazot Swim Club | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 305 | Jeffrey Xin | 44.32 | 8 | BB Min | A: 43.09 (+1.23s | 2.8%) | Aquazot Swim Club | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 306 | Henry Luevano | 44.33 | 9 | BB Min | A: 43.09 (+1.24s | 2.8%) | Aces Swim Club | 06/05/2026 | 2026 CO NJ Summer Solstice Invite | |
| 307 | Shane Kirkwood | 44.34 | 10 | BB Min | A: 43.09 (+1.25s | 2.8%) | Lake Oswego Swim Club | 08/01/2026 | 2026 GACC End Of Season | |
| 308 | Saien Wu | 44.35 | 10 | BB Min | A: 43.09 (+1.26s | 2.8%) | Bellevue Club Swim Team | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 309 | Samuel Hora | 44.36 | 10 | BB Min | A: 43.09 (+1.27s | 2.9%) | Montrose Marlins Swim Club | 06/18/2026 | 2026 CO Grand Junction Invitational | |
| 310 | Owen Laidlaw | 44.38 | 9 | BB Min | A: 43.09 (+1.29s | 2.9%) | Island Aquatics | 05/02/2026 | 2026 MAGSA LCM B 1 Meet | |
| 311 | Rain Liu | 44.39 | 10 | BB Min | A: 43.09 (+1.30s | 2.9%) | Rancho San Dieguito | 05/23/2026 | 2026 SI HSA A All Ages NTS May 23 24 | |
| 312 | Lincoln Kelly | 44.39 | 10 | BB Min | A: 43.09 (+1.30s | 2.9%) | Excel Aquatics | 07/17/2026 | 2026 SE Southeastern Summer LC Championships | |
| 313 | Grant Weigle | 44.40 | 10 | BB Min | A: 43.09 (+1.31s | 3.0%) | Aces Swim Club | 04/12/2026 | 2026 CO NJ SBL Pentathlon 12 U | |
| 314 | Taeyul Heo | 44.41 | 10 | BB Min | A: 43.09 (+1.32s | 3.0%) | Pleasanton Seahawks | 06/20/2026 | Alto Summer Swelter | |
| 315 | Daniel Schad | 44.44 | 10 | BB Min | A: 43.09 (+1.35s | 3.0%) | Maui Dolphins Swim Club | 06/13/2026 | 2026 MAGSA LCM B 2 Meet | |
| 316 | Martin Li | 44.45 | 10 | BB Min | A: 43.09 (+1.36s | 3.1%) | Wave Aquatics | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | |
| 317 | Evan Wang | 44.45 | 9 | BB Min | A: 43.09 (+1.36s | 3.1%) | Olympic Cascade Aquatics | 07/10/2026 | 2026 PN OCA Last Chance Invitational Approve | |
| 318 | David Chen | 44.46 | 10 | BB Min | A: 43.09 (+1.37s | 3.1%) | Tualatin Hills Swim Club | 05/22/2026 | 2026 THSC Memorial Weekend Meet | |
| 319 | Thomas Halford | 44.47 | 10 | BB Min | A: 43.09 (+1.38s | 3.1%) | Pikes Peak Athletics | 06/19/2026 | 2026 CO Falfins Long Course Open | |
| 320 | Julius Voigt | 44.50 | 10 | BB Min | A: 43.09 (+1.41s | 3.2%) | Island Aquatics | 05/23/2026 | 50th Annual Coach Soichi Sakamoto Invitationa | |
| 321 | Marco Gonzalez | 44.50 | 10 | BB Min | A: 43.09 (+1.41s | 3.2%) | South Bay Aquatics | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 322 | Jeremy Zhao | 44.53 | 9 | BB Min | A: 43.09 (+1.44s | 3.2%) | Quicksilver Swimming | 06/11/2026 | 2026 SCS June AG Invite | |
| 323 | Porter Pitti | 44.54 | 9 | BB Min | A: 43.09 (+1.45s | 3.3%) | Olympus Aquatics | 06/18/2025 | 2025 UT CHAT INVITATIONAL | |
| 324 | Johannes Davide | 44.55 | 10 | BB Min | A: 43.09 (+1.46s | 3.3%) | Issaquah Swim Team | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 325 | Vishik Sheshnag | 44.56 | 10 | BB Min | A: 43.09 (+1.47s | 3.3%) | Team Rebel Aquatics | 07/23/2026 | 2026 CA SCS RAA Summer A G Champs Copied | |
| 326 | Henry Bresson | 44.61 | 10 | BB Min | A: 43.09 (+1.52s | 3.4%) | Chinook Aquatic Club | 07/09/2026 | 2026 PN Chinook Seattle Age Group Open Appro | |
| 327 | Levi Garay | 44.61 | 10 | BB Min | A: 43.09 (+1.52s | 3.4%) | Fontana Aquatics Club | 06/11/2026 | 2026 SCS June AG Invite | |
| 328 | Ryan Hamby | 44.62 | 9 | BB Min | A: 43.09 (+1.53s | 3.4%) | Palo Alto Stanford Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 329 | Kaito Kinnaird | 44.62 | 10 | BB Min | A: 43.09 (+1.53s | 3.4%) | Excel Aquatics | 06/04/2026 | 2026 Beaman Toyota Firecracker Invite | |
| 330 | David Son | 44.66 | 9 | BB Min | A: 43.09 (+1.57s | 3.5%) | Mission Aurora Colorado Swimmi | 06/06/2026 | 2026 CO MACS Suburban League Invite | |
| 331 | Everett Gerlock | 44.67 | 9 | BB Min | A: 43.09 (+1.58s | 3.5%) | Gunnison Stingrays | 07/10/2026 | 2026 CO Western Slope League Championships | |
| 332 | Silas Roland | 44.68 | 9 | BB Min | A: 43.09 (+1.59s | 3.6%) | Univ. of Denver Hilltoppers | 07/11/2026 | 2026 CO SBL Summer Sizzler | |
| 333 | Adrian Goo | 44.68 | 10 | BB Min | A: 43.09 (+1.59s | 3.6%) | Walnut Creek Aquabears | 06/13/2026 | Orinda PC LC AG C B BB+ | |
| 334 | Ethan Huang | 44.69 | 10 | BB Min | A: 43.09 (+1.60s | 3.6%) | Rose Bowl Aquatics | 06/12/2025 | 2025 CA SCS RAA June Age Group Championships | |
| 335 | Sanders Ford | 44.69 | 9 | BB Min | A: 43.09 (+1.60s | 3.6%) | Las Cruces Aquatic Team | 06/26/2026 | 2026 BD EPAP Jack White Memorial Classic | |
| 336 | Beau Jakubowski | 44.71 | 9 | BB Min | A: 43.09 (+1.62s | 3.6%) | Aces Swim Club | 04/12/2026 | 2026 CO NJ SBL Pentathlon 12 U | |
| 337 | Calder Brelsford-La Badie | 44.71 | 10 | BB Min | A: 43.09 (+1.62s | 3.6%) | Bainbridge Island Swim Club | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 338 | Thomas Nguyen | 44.73 | 10 | BB Min | A: 43.09 (+1.64s | 3.7%) | Cascade Swim Club | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 339 | Mo Chen | 44.73 | 10 | BB Min | A: 43.09 (+1.64s | 3.7%) | Wave Aquatics | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 340 | Brandon Son | 44.73 | 9 | BB Min | A: 43.09 (+1.64s | 3.7%) | Columbia River Swim Team | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 341 | Felix Wang | 44.74 | 10 | BB Min | A: 43.09 (+1.65s | 3.7%) | Eastside Aquatic Swim Team | 07/10/2026 | 2026 PN OCA Last Chance Invitational Approve | |
| 342 | Vincent Schremer | 44.74 | 8 | BB Min | A: 43.09 (+1.65s | 3.7%) | Life Time Oregon Swim Team | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 343 | Levi Cheung | 44.76 | 8 | BB Min | A: 43.09 (+1.67s | 3.7%) | Beaverton Area Aquatics Club | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 344 | Bruce Asmega | 44.77 | 10 | BB Min | A: 43.09 (+1.68s | 3.8%) | Pacifica Sea Lions | 07/25/2026 | Alto Last Splash | |
| 345 | Mateo Tinoco Iraheta | 44.80 | 9 | BB Min | A: 43.09 (+1.71s | 3.8%) | Walla Walla Swim Club | 07/24/2026 | 2026 IES LC CHAMPIONSHIPS | |
| 346 | Kian Bryson | 44.80 | 10 | BB Min | A: 43.09 (+1.71s | 3.8%) | Lake Oswego Swim Club | 06/06/2025 | 2025 THSC June Invitational | |
| 347 | Nathan Bailey | 44.80 | 10 | BB Min | A: 43.09 (+1.71s | 3.8%) | Canyons Aquatic Club | 07/23/2026 | 2026 CA SCS Summer A G Champs | |
| 348 | Leo Grace | 44.81 | 8 | BB Min | A: 43.09 (+1.72s | 3.8%) | Unattached | 07/24/2026 | 2026 IES LC CHAMPIONSHIPS | |
| 349 | Adrian Pascu | 44.83 | 9 | BB Min | A: 43.09 (+1.74s | 3.9%) | Gold\\\\\\'s Aquatics Club (Camas) | 05/01/2026 | 2026 THSC Spring Invite | |
| 350 | Hunter Chen | 44.83 | 10 | BB Min | A: 43.09 (+1.74s | 3.9%) | Flying Fish Swim Club | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
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.