Western Zone Zone Boys 11-12 - 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 | Peter Tsvetkov | 39.16 | 12 | BB Min | A: 37.69 (+1.47s | 3.8%) | Hydro Aquatics Club | 06/11/2026 | 2026 SCS June AG Invite | |
| 452 | Thomas Larkin | 39.18 | 11 | BB Min | A: 37.69 (+1.49s | 3.8%) | North Coast Aquatics | 06/20/2025 | 2025 SI SPLASH AND DASH | |
| 453 | Yaroslav Danylchenko | 39.18 | 11 | BB Min | A: 37.69 (+1.49s | 3.8%) | Cascade Swim Club | 06/26/2026 | 2026 PN SMAC Summer Classic Invite Approved | |
| 454 | Nakoa Ka'a'a | 39.18 | 12 | BB Min | A: 37.69 (+1.49s | 3.8%) | Maui Dolphins Swim Club | 05/23/2026 | 50th Annual Coach Soichi Sakamoto Invitationa | |
| 455 | Ezra Beyer | 39.20 | 12 | BB Min | A: 37.69 (+1.51s | 3.9%) | Swim Dogs | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 456 | George Bruce | 39.21 | 12 | BB Min | A: 37.69 (+1.52s | 3.9%) | Palo Alto Stanford Aquatics | 07/11/2025 | 2025 Age Group Championships | |
| 457 | Jason Feng | 39.21 | 11 | BB Min | A: 37.69 (+1.52s | 3.9%) | Boys & Girls Club of SF | 06/12/2026 | BAC Long Course | |
| 458 | Christian Lee | 39.21 | 12 | BB Min | A: 37.69 (+1.52s | 3.9%) | Cascade Swim Club | 05/29/2026 | 2026 TRI CITY INVITATIONAL | |
| 459 | Kenshin Yokoyama | 39.23 | 11 | BB Min | A: 37.69 (+1.54s | 3.9%) | Wave Aquatics | 07/09/2026 | 2026 PN Chinook Seattle Age Group Open Appro | |
| 460 | Troy Mortensen | 39.24 | 12 | BB Min | A: 37.69 (+1.55s | 4.0%) | Utah Valley Aquatics | 07/17/2025 | 2025 UTAGS LC Championships | |
| 461 | Ronel Acot | 39.25 | 11 | BB Min | A: 37.69 (+1.56s | 4.0%) | Palo Alto Stanford Aquatics | 06/12/2026 | 2026 DACA LC CBA Meet | |
| 462 | Zachary Trojan | 39.26 | 12 | BB Min | A: 37.69 (+1.57s | 4.0%) | Team Eugene Aquatics | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 463 | Zichen Hu | 39.27 | 12 | BB Min | A: 37.69 (+1.58s | 4.0%) | DeAnza Cupertino Aquatics | 06/12/2026 | 2026 DACA LC CBA Meet | |
| 464 | Miles Schader | 39.27 | 12 | BB Min | A: 37.69 (+1.58s | 4.0%) | Quicksilver Swimming | 06/11/2026 | 2026 SCS June AG Invite | |
| 465 | Jett Stevens | 39.28 | 12 | BB Min | A: 37.69 (+1.59s | 4.0%) | Maui Swim Club | 05/23/2026 | 50th Annual Coach Soichi Sakamoto Invitationa | |
| 466 | Dylan Coyne | 39.28 | 12 | BB Min | A: 37.69 (+1.59s | 4.0%) | Mission Aurora Colorado Swimmi | 06/26/2026 | 2026 CO Zone 2 District Meet DU | |
| 467 | Tiege Jensen | 39.29 | 11 | BB Min | A: 37.69 (+1.60s | 4.1%) | Unattached | 08/06/2025 | 2025 Western Zone Age Group Championships | |
| 468 | Garett Wailes | 39.30 | 12 | BB Min | A: 37.69 (+1.61s | 4.1%) | Foothills Swim Team | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 469 | Pavel Chudnovskiy | 39.30 | 12 | BB Min | A: 37.69 (+1.61s | 4.1%) | Olympic Cascade Aquatics | 05/29/2026 | 2026 TRI CITY INVITATIONAL | |
| 470 | Nathan Wang | 39.31 | 12 | BB Min | A: 37.69 (+1.62s | 4.1%) | Swim Team of Placentia | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 471 | Aaron Cho | 39.31 | 11 | BB Min | A: 37.69 (+1.62s | 4.1%) | Blast Sharks | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 472 | Aldo Castorena | 39.31 | 12 | BB Min | A: 37.69 (+1.62s | 4.1%) | Manta Ray Aquatics | 05/23/2026 | 2026 SI HSA 2 All Ages NTS May 23 24 | |
| 473 | Brian Liang | 39.31 | 12 | BB Min | A: 37.69 (+1.62s | 4.1%) | Blue Dolphin Swim Team | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 474 | Allen Chen | 39.31 | 10 | BB Min | A: 37.69 (+1.62s | 4.1%) | Seattle Metropolitan Aquatic C | 06/26/2026 | 2026 PN SMAC Summer Classic Invite Approved | |
| 475 | James Tosta | 39.31 | 11 | BB Min | A: 37.69 (+1.62s | 4.1%) | Unattached | 08/06/2025 | 2025 Western Zone Age Group Championships | |
| 476 | Yicheng Wang | 39.31 | 11 | BB Min | A: 37.69 (+1.62s | 4.1%) | Aquazot Swim Club | 07/23/2026 | 2026 CA SCS Summer A G Champs | |
| 477 | Xuanhao Gao | 39.32 | 12 | BB Min | A: 37.69 (+1.63s | 4.1%) | Pacific Dragons Swim Team | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 478 | Kai Kennedy | 39.33 | 10 | BB Min | A: 37.69 (+1.64s | 4.2%) | Academy Swim Club | 07/16/2026 | 2026 HISI LCM Championships | |
| 479 | Edmund Bao | 39.34 | 12 | BB Min | A: 37.69 (+1.65s | 4.2%) | Pacific Dragons Swim Team | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 480 | Victor Moraes Trigo | 39.34 | 12 | BB Min | A: 37.69 (+1.65s | 4.2%) | Issaquah Swim Team | 05/16/2025 | 2025 PN IST Sockeye Springtime Madness | |
| 481 | Eli Shapiro | 39.35 | 11 | BB Min | A: 37.69 (+1.66s | 4.2%) | Lakeridge Swim Team | 06/19/2026 | Reno Aquatic Club Gamble | |
| 482 | Emmett Adams | 39.35 | 11 | BB Min | A: 37.69 (+1.66s | 4.2%) | Reno Aquatic Club | 07/17/2026 | 2026 Adam Szmidt Memorial PC Summer AG Champs | |
| 483 | Ethan Gibu | 39.39 | 12 | BB Min | A: 37.69 (+1.70s | 4.3%) | Rose Bowl Aquatics | 06/11/2026 | 2026 SCS June AG Invite CANY | |
| 484 | Griffin Lin | 39.40 | 11 | BB Min | A: 37.69 (+1.71s | 4.3%) | Swim Kauai Aquatics | 06/13/2024 | 2024 CA SCS CANY June Age Group Invite | |
| 485 | Greyson Calliham | 39.40 | 12 | BB Min | A: 37.69 (+1.71s | 4.3%) | Loveland Swim Club | 05/29/2026 | 2026 CO Barracuda Summer Sizzler Invite | |
| 486 | Henry Brehm | 39.41 | 12 | BB Min | A: 37.69 (+1.72s | 4.4%) | COSA Swimming | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 487 | Calvin San Pedro | 39.41 | 12 | BB Min | A: 37.69 (+1.72s | 4.4%) | South Bay Aquatics | 07/11/2025 | 2025 SI SDSA All Ages NTS Meet | |
| 488 | Julian Cruz | 39.43 | 12 | BB Min | A: 37.69 (+1.74s | 4.4%) | Class Aquatics | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 489 | Kevin Gharib | 39.45 | 10 | BB Min | A: 37.69 (+1.76s | 4.5%) | Team Swim Los Angeles | 06/11/2026 | 2026 SCS June AG Invite CANY | |
| 490 | Wyatt Reid | 39.45 | 12 | BB Min | A: 37.69 (+1.76s | 4.5%) | Bellingham Bay Swim Team | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 491 | Drake Perry | 39.46 | 12 | BB Min | A: 37.69 (+1.77s | 4.5%) | Cascade Swim Club | 05/29/2026 | 2026 TRI CITY INVITATIONAL | |
| 492 | David Zhou | 39.47 | 12 | BB Min | A: 37.69 (+1.78s | 4.5%) | Issaquah Swim Team | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 493 | Collin Zhang | 39.48 | 12 | BB Min | A: 37.69 (+1.79s | 4.5%) | Front Range Barracudas | 04/24/2026 | 2026 CO Steve Drozda LC Shotgun | |
| 494 | Lucas Crank | 39.50 | 12 | BB Min | A: 37.69 (+1.81s | 4.6%) | Rancho San Dieguito | 05/23/2026 | 2026 SI HSA A All Ages NTS May 23 24 | |
| 495 | Jaxon Mondragon | 39.50 | 10 | BB Min | A: 37.69 (+1.81s | 4.6%) | Aquawolves Swimming | 04/24/2026 | 2026 CO Steve Drozda LC Shotgun | |
| 496 | Ryley Robinson | 39.51 | 11 | BB Min | A: 37.69 (+1.82s | 4.6%) | Bellevue Club Swim Team | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 497 | Riley Berg | 39.51 | 12 | BB Min | A: 37.69 (+1.82s | 4.6%) | Legacy Aquatics | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 498 | Gabriel Stone | 39.52 | 12 | BB Min | A: 37.69 (+1.83s | 4.6%) | Unattached | 06/11/2026 | 2026 SCS June AG Invite | |
| 499 | Ford Polack | 39.52 | 12 | BB Min | A: 37.69 (+1.83s | 4.6%) | Univ. of Denver Hilltoppers | 06/26/2026 | 2026 CO Zone 2 District Meet DU | |
| 500 | Aiden Cha | 39.53 | 11 | BB Min | A: 37.69 (+1.84s | 4.7%) | Maywood Sparks Swim Team | 06/11/2026 | 2026 SCS June AG Invite CANY | |
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.