Pacific Swimming Boys 10 & under - 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 | Kenneth Zhang | 56.82 | 8 | B: 55.39 (+1.43s | 2.5%) | Santa Clara Swim Club | 07/19/2025 | Santa Clara Valley Splash Block Party | ||
| 352 | Jameson Wallace | 56.98 | 8 | B: 55.39 (+1.59s | 2.8%) | Napa Valley Swim Team | 05/29/2026 | VJO S Tuffy Williams Summer Kickoff Classic | ||
| 353 | Marlon Chinchilla | 56.98 | 9 | B: 55.39 (+1.59s | 2.8%) | Piranha Swimming | 05/17/2025 | Neptune Swimming May Long Course Meet | ||
| 354 | Eason Liu | 57.04 | 8 | B: 55.39 (+1.65s | 2.9%) | Alto Swim Club | 05/02/2026 | Alto Spring Jam CBA | ||
| 355 | Ethan Shiflet | 57.07 | 9 | B: 55.39 (+1.68s | 2.9%) | Montclair Swim Team | 06/13/2026 | Orinda PC LC AG C B BB+ | ||
| 356 | Reece Kau | 57.08 | 10 | B: 55.39 (+1.69s | 3.0%) | Palo Alto Stanford Aquatics | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | ||
| 357 | Alex Zhong | 57.09 | 8 | B: 55.39 (+1.70s | 3.0%) | Santa Clara Swim Club | 05/23/2025 | Zone 1 South May Firecracker 500 | ||
| 358 | Jeffrey Li | 57.11 | 9 | B: 55.39 (+1.72s | 3.0%) | Sunnyvale Swim Club | 05/16/2026 | 2026 DACA LC CBA+ | ||
| 359 | Max Lim | 57.13 | 10 | B: 55.39 (+1.74s | 3.0%) | San Ramon Valley Aquatics | 06/13/2026 | Orinda PC LC AG C B BB+ | ||
| 360 | Alex Hirata | 57.21 | 10 | B: 55.39 (+1.82s | 3.2%) | DeAnza Cupertino Aquatics | 05/16/2025 | 2025 DACA LC CBA Meet | ||
| 361 | Platon Smirnov | 57.21 | 8 | B: 55.39 (+1.82s | 3.2%) | Sunnyvale Swim Club | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | ||
| 362 | Jiaqi Zong | 57.22 | 8 | B: 55.39 (+1.83s | 3.2%) | Santa Clara Swim Club | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | ||
| 363 | Jeffrey Liu | 57.22 | 10 | B: 55.39 (+1.83s | 3.2%) | DeAnza Cupertino Aquatics | 06/12/2026 | 2026 DACA LC CBA Meet | ||
| 364 | James Worters | 57.37 | 10 | B: 55.39 (+1.98s | 3.5%) | Otter Swim Club | 06/12/2026 | 2026 DACA LC CBA Meet | ||
| 365 | Oliver Loening | 57.41 | 10 | B: 55.39 (+2.02s | 3.5%) | Daly City Dolphins | 05/16/2025 | 2025 DACA LC CBA Meet | ||
| 366 | Nicholas Baxter | 57.41 | 9 | B: 55.39 (+2.02s | 3.5%) | East Bay Silver Dolphins | 06/13/2026 | Orinda PC LC AG C B BB+ | ||
| 367 | Bronson Bruland | 57.46 | 10 | B: 55.39 (+2.07s | 3.6%) | Mlst | 07/12/2025 | 2025 Silver State Championships | ||
| 368 | Ethan Gu | 57.49 | 10 | B: 55.39 (+2.10s | 3.7%) | Burlingame Aquatics | 04/19/2025 | Alto Spring Jam Meet | ||
| 369 | Hei Chan | 57.52 | 10 | B: 55.39 (+2.13s | 3.7%) | Alto Swim Club | 04/27/2024 | Alto Spring Jam | ||
| 370 | Adrian Seto | 57.59 | 9 | B: 55.39 (+2.20s | 3.8%) | Palo Alto Stanford Aquatics | 06/12/2026 | 2026 DACA LC CBA Meet | ||
| 371 | Joshua Chang | 57.63 | 9 | B: 55.39 (+2.24s | 3.9%) | Unattached | 05/02/2026 | Alto Spring Jam CBA | ||
| 372 | Alex Warren Moy | 57.64 | 10 | B: 55.39 (+2.25s | 3.9%) | Palo Alto Stanford Aquatics | 05/24/2025 | 2025 Mike Snyder Memorial | ||
| 373 | Christopher Henriques | 57.67 | 8 | B: 55.39 (+2.28s | 4.0%) | Napa Valley Swim Team | 06/27/2026 | NVST Summer Plunge 2026 | ||
| 374 | Austin Sommer | 57.70 | 8 | B: 55.39 (+2.31s | 4.0%) | San Ramon Valley Aquatics | 06/13/2026 | Orinda PC LC AG C B BB+ | ||
| 375 | Cole Erickson | 57.71 | 8 | B: 55.39 (+2.32s | 4.0%) | Reno Aquatic Club | 05/22/2026 | 2026 Intermountain Classic Long Course Meet | ||
| 376 | Ethan Wei | 57.73 | 6 | B: 55.39 (+2.34s | 4.1%) | Santa Clara Swim Club | 06/20/2026 | Zone 1 South Swim Under The Stars | ||
| 377 | Timothy Chau | 57.76 | 8 | B: 55.39 (+2.37s | 4.1%) | South San Francisco Aquatics | 05/02/2026 | Alto Spring Jam CBA | ||
| 378 | Riko Jaya | 57.97 | 8 | B: 55.39 (+2.58s | 4.5%) | YMCA Presidio Aquatics | 05/29/2026 | VJO S Tuffy Williams Summer Kickoff Classic | ||
| 379 | Oliver Woo | 57.97 | 9 | B: 55.39 (+2.58s | 4.5%) | California Dolphins Swim Team | 06/13/2026 | PC CDST LC C B BB+ 26 074 | ||
| 380 | Marcus Kulyavtsev | 58.12 | 8 | B: 55.39 (+2.73s | 4.7%) | Vallejo Aquatic Club | 05/29/2026 | VJO S Tuffy Williams Summer Kickoff Classic | ||
| 381 | Roy Shen | 58.12 | 8 | B: 55.39 (+2.73s | 4.7%) | Santa Clara Swim Club | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | ||
| 382 | Hugo Hurley | 58.14 | 7 | B: 55.39 (+2.75s | 4.7%) | Alto Swim Club | 06/20/2026 | Alto Summer Swelter | ||
| 383 | Holden Richards | 58.27 | 9 | B: 55.39 (+2.88s | 4.9%) | AC Swim Club | 05/30/2025 | VJO S Tuffy Williams Summer Kickoff Classic | ||
| 384 | Henry Huang | 58.29 | 9 | B: 55.39 (+2.90s | 5.0%) | Daly City Dolphins | 06/06/2025 | BAC C B A Meet | ||
| 385 | Benjamin Jung | 58.38 | 8 | B: 55.39 (+2.99s | 5.1%) | Alto Swim Club | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | ||
| 386 | Parker Skelton | 58.59 | 8 | B: 55.39 (+3.20s | 5.5%) | Reno Aquatic Club | 06/20/2025 | Reno Aquatic Club Gamble | ||
| 387 | Huck Ling | 58.64 | 8 | B: 55.39 (+3.25s | 5.5%) | The Olympic Club | 06/12/2026 | Neptune Swimming June LC Meet | ||
| 388 | Juden Connor | 58.70 | 8 | B: 55.39 (+3.31s | 5.6%) | Lakeridge Swim Team | 05/22/2026 | 2026 Intermountain Classic Long Course Meet | ||
| 389 | Joao Barretto | 58.74 | 9 | B: 55.39 (+3.35s | 5.7%) | San Ramon Valley Aquatics | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | ||
| 390 | Walter Butts | 58.76 | 9 | B: 55.39 (+3.37s | 5.7%) | AC Swim Club | 06/12/2026 | Neptune Swimming June LC Meet | ||
| 391 | Rexx Yu | 58.78 | 8 | B: 55.39 (+3.39s | 5.8%) | Burlingame Aquatics | 06/20/2026 | Alto Summer Swelter | ||
| 392 | Haomiao Zhuang | 58.78 | 7 | B: 55.39 (+3.39s | 5.8%) | Santa Clara Swim Club | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | ||
| 393 | Changtian Xia | 58.80 | 7 | B: 55.39 (+3.41s | 5.8%) | Tri Valley Aquatics | 04/25/2026 | Brentwood Seawolves Long Course C B BB+ | ||
| 394 | Ryan Ye | 58.83 | 10 | B: 55.39 (+3.44s | 5.8%) | Walnut Creek Aquabears | 06/13/2026 | Orinda PC LC AG C B BB+ | ||
| 395 | Adrian Moy | 59.10 | 9 | B: 55.39 (+3.71s | 6.3%) | DeAnza Cupertino Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | ||
| 396 | Chris Li | 59.15 | 8 | B: 55.39 (+3.76s | 6.4%) | Santa Clara Swim Club | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | ||
| 397 | Samuel Pogue | 59.15 | 9 | B: 55.39 (+3.76s | 6.4%) | Carson Tigersharks | 05/23/2025 | 2025 Intermountain Classic Long Course Meet | ||
| 398 | Logan Chan | 59.20 | 9 | B: 55.39 (+3.81s | 6.4%) | San Francisco Seals Swim Team | 06/12/2026 | Neptune Swimming June LC Meet | ||
| 399 | Benjamin Yaghoubzade | 59.23 | 9 | B: 55.39 (+3.84s | 6.5%) | Los Altos Mountain View Aquati | 05/17/2025 | 2025 LAMV SCM C B A+ | ||
| 400 | Nicolas Etkin | 59.25 | 10 | B: 55.39 (+3.86s | 6.5%) | Los Altos Mountain View Aquati | 06/22/2024 | Alto Beat The Heat Sat Sun | ||
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.