Pacific Swimming Boys 11-12 - 50 M Back
These rankings show the swimmers' placement within their Local Swimming Committee (LSC).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 | |
|---|---|---|---|---|---|---|---|---|---|
| 351 | Penghao Yu | 48.21 | 10 | B: 44.49 (+3.72s | 7.7%) | Santa Clara Swim Club | 07/19/2025 | Santa Clara Valley Splash Block Party | ||
| 352 | Daniel Kalinovski | 48.21 | 11 | B: 44.49 (+3.72s | 7.7%) | Otter Swim Club | 05/16/2026 | 2026 DACA LC CBA+ | ||
| 353 | Ethan Wang | 48.27 | 12 | B: 44.49 (+3.78s | 7.8%) | Pleasanton Seahawks | 06/13/2026 | PC CDST LC C B BB+ 26 074 | ||
| 354 | Arthur Kozlov | 48.33 | 11 | B: 44.49 (+3.84s | 7.9%) | San Ramon Valley Aquatics | 05/11/2024 | SRVA LCM CBBB+ | ||
| 355 | Theodore Stahl | 48.33 | 12 | B: 44.49 (+3.84s | 7.9%) | Palo Alto Stanford Aquatics | 06/12/2026 | 2026 DACA LC CBA Meet | ||
| 356 | Jonah Thor | 48.33 | 12 | B: 44.49 (+3.84s | 7.9%) | Terrapins Swim Team | 06/07/2025 | Orinda Aquatics LC C B BB+ Meet | ||
| 357 | Westley Fattarsi | 48.43 | 11 | B: 44.49 (+3.94s | 8.1%) | Tiger Aquatics | 05/23/2026 | 2026 Tiger Aquatics C B BB+ Memorial Day Meet | ||
| 358 | Sebastian Lum-Langston | 48.43 | 11 | B: 44.49 (+3.94s | 8.1%) | The Olympic Club | 06/27/2026 | NVST Summer Plunge 2026 | ||
| 359 | Panshul Ojha | 48.45 | 11 | B: 44.49 (+3.96s | 8.2%) | Sunnyvale Swim Club | 06/12/2026 | 2026 DACA LC CBA Meet | ||
| 360 | Evan Mellentine | 48.50 | 11 | B: 44.49 (+4.01s | 8.3%) | DeAnza Cupertino Aquatics | 06/12/2026 | 2026 DACA LC CBA Meet | ||
| 361 | Arwin Safaee | 48.51 | 11 | B: 44.49 (+4.02s | 8.3%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | ||
| 362 | Jeremy La | 48.58 | 12 | B: 44.49 (+4.09s | 8.4%) | Fog City Hammerheads | 07/20/2024 | Alto Last Splash Invitational | ||
| 363 | Matthew Chen | 48.59 | 10 | B: 44.49 (+4.10s | 8.4%) | California Dolphins Swim Team | 05/02/2026 | Alto Spring Jam CBA | ||
| 364 | Samuel Reed | 48.60 | 11 | B: 44.49 (+4.11s | 8.5%) | Piranha Swimming | 06/21/2025 | NVST Last Chance AG Champs Summer Plunge 2025 | ||
| 365 | Luke Lim | 48.73 | 11 | B: 44.49 (+4.24s | 8.7%) | Alto Swim Club | 07/25/2026 | Alto Last Splash | ||
| 366 | Owen Zhuang | 48.77 | 10 | B: 44.49 (+4.28s | 8.8%) | Santa Clara Swim Club | 07/20/2024 | Alto Last Splash Invitational | ||
| 367 | Cole King-thomas | 48.87 | 10 | B: 44.49 (+4.38s | 9.0%) | Sonoma Sea Dragons | 06/22/2024 | NVST S LAST CHANCE JO SUMMER PLUNGE | ||
| 368 | Khai Vo | 48.87 | 11 | B: 44.49 (+4.38s | 9.0%) | Piedmont Swim Team | 06/27/2026 | NVST Summer Plunge 2026 | ||
| 369 | Zachary Everett | 48.89 | 11 | B: 44.49 (+4.40s | 9.0%) | Seals Aquatics | 05/30/2025 | VJO S Tuffy Williams Summer Kickoff Classic | ||
| 370 | Andy Lee | 48.90 | 11 | B: 44.49 (+4.41s | 9.0%) | San Ramon Valley Aquatics | 06/21/2025 | NVST Last Chance AG Champs Summer Plunge 2025 | ||
| 371 | Jonah Thor | 48.92 | 11 | B: 44.49 (+4.43s | 9.1%) | Terrapins Swim Team | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | ||
| 372 | Rhys Beyeler-Evans | 48.97 | 10 | B: 44.49 (+4.48s | 9.1%) | Piedmont Swim Team | 04/25/2026 | San Ramon Valley Aquatics Long Course C B BB+ | ||
| 373 | Alessio Siciliano | 49.06 | 12 | B: 44.49 (+4.57s | 9.3%) | Sunnyvale Swim Club | 05/17/2025 | 2025 LAMV SCM C B A+ | ||
| 374 | Adrian Liao | 49.07 | 11 | B: 44.49 (+4.58s | 9.3%) | Milpitas Aquatic Club | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | ||
| 375 | Timothy Hoffmann | 49.07 | 12 | B: 44.49 (+4.58s | 9.3%) | Otter Swim Club | 06/06/2025 | 2025 DACA LC CBA+ Meet | ||
| 376 | Zachary Allred | 49.09 | 11 | B: 44.49 (+4.60s | 9.4%) | Fog City Hammerheads | 06/27/2025 | Silicon Valley LC CBA+ Meet | ||
| 377 | Vallabh Sonawane | 49.16 | 12 | B: 44.49 (+4.67s | 9.5%) | California Dolphins Swim Team | 06/07/2025 | 2025 06 07 CDST LC C B BB+ Meet | ||
| 378 | Ryan Budhiraja | 49.16 | 12 | B: 44.49 (+4.67s | 9.5%) | Santa Clara Swim Club | 06/20/2026 | Zone 1 South Swim Under The Stars | ||
| 379 | Isaac Duplantis | 49.17 | 12 | B: 44.49 (+4.68s | 9.5%) | Vallejo Aquatic Club | 06/27/2026 | NVST Summer Plunge 2026 | ||
| 380 | Dorian Bohler | 49.21 | 12 | B: 44.49 (+4.72s | 9.6%) | East Bay Bat Rays | 06/07/2025 | 2025 06 07 CDST LC C B BB+ Meet | ||
| 381 | Tomas Sadowski | 49.21 | 12 | B: 44.49 (+4.72s | 9.6%) | San Francisco Seals Swim Team | 05/30/2025 | VJO S Tuffy Williams Summer Kickoff Classic | ||
| 382 | Cesar Barajas Caballero | 49.24 | 12 | B: 44.49 (+4.75s | 9.6%) | Milpitas Aquatic Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | ||
| 383 | Aiden Kan | 49.26 | 11 | B: 44.49 (+4.77s | 9.7%) | DeAnza Cupertino Aquatics | 06/12/2026 | 2026 DACA LC CBA Meet | ||
| 384 | Mason Robinson | 49.27 | 12 | B: 44.49 (+4.78s | 9.7%) | Swim South Bay | 06/27/2025 | Valley Splash | ||
| 385 | Hyeonseo Lee | 49.28 | 11 | B: 44.49 (+4.79s | 9.7%) | Sunnyvale Swim Club | 05/16/2026 | 2026 DACA LC CBA+ | ||
| 386 | Christopher Labiaga | 49.33 | 12 | B: 44.49 (+4.84s | 9.8%) | Almaden Riptide | 06/12/2024 | Zone 1S Micro Meet (Host QSS) | ||
| 387 | Ryker Goodman | 49.33 | 12 | B: 44.49 (+4.84s | 9.8%) | Piedmont Swim Team | 06/27/2026 | NVST Summer Plunge 2026 | ||
| 388 | Jayden Xu | 49.36 | 11 | B: 44.49 (+4.87s | 9.9%) | Northern Nevada Aquatics | 07/10/2026 | 2026 NNA Silver State Championships | ||
| 389 | Emilio Morara | 49.41 | 12 | B: 44.49 (+4.92s | 10.0%) | Bay Club Panthers | 05/18/2024 | PASA Mayhem LCM Meet | ||
| 390 | Luke Cheng | 49.45 | 10 | B: 44.49 (+4.96s | 10.0%) | Otter Swim Club | 04/19/2025 | Alto Spring Jam Meet | ||
| 391 | Anton Arbatsky | 49.50 | 12 | B: 44.49 (+5.01s | 10.1%) | Pacifica Sea Lions | 05/02/2026 | Alto Spring Jam CBA | ||
| 392 | Lyman Ung | 49.51 | 11 | B: 44.49 (+5.02s | 10.1%) | El Cerrito Gators | 06/13/2026 | Orinda PC LC AG C B BB+ | ||
| 393 | Ryan Han | 49.51 | 11 | B: 44.49 (+5.02s | 10.1%) | Quicksilver Swimming | 05/17/2024 | Quicksilver Swimming Zone 1S LCM C B A+ Meet | ||
| 394 | Thys Van Der Meer | 49.53 | 12 | B: 44.49 (+5.04s | 10.2%) | Aptos Cabrillo Swim Club | 06/24/2023 | SBA Long Course C B A+ | ||
| 395 | Russell George | 49.55 | 11 | B: 44.49 (+5.06s | 10.2%) | Lakeridge Swim Team | 06/20/2025 | Reno Aquatic Club Gamble | ||
| 396 | Samuel Liu | 49.57 | 11 | B: 44.49 (+5.08s | 10.2%) | Santa Clara Swim Club | 06/20/2026 | Zone 1 South Swim Under The Stars | ||
| 397 | Adebayo Dosunmu | 49.58 | 12 | B: 44.49 (+5.09s | 10.3%) | Quicksilver Swimming | 06/28/2024 | 2024 Valley Splash Zone 1S LCM C B A+ | ||
| 398 | Austin Lee | 49.59 | 11 | B: 44.49 (+5.10s | 10.3%) | ElitSwim Club | 04/25/2026 | San Ramon Valley Aquatics Long Course C B BB+ | ||
| 399 | Giacomo Morara | 49.59 | 11 | B: 44.49 (+5.10s | 10.3%) | Bay Club Panthers | 05/02/2026 | Alto Spring Jam CBA | ||
| 400 | Jasper Nath | 49.63 | 11 | B: 44.49 (+5.14s | 10.4%) | Alto Swim Club | 07/25/2026 | Alto Last Splash | ||
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.