Pacific Swimming Boys 10 & under - 50 Y 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 401 | Donovan Di Loreto | 48.73 | 9 | B: 48.29 (+0.44s | 0.9%) | Carson Tigersharks | 02/06/2026 | 2026 Valentines Day Age Group Open | ||
| 402 | Marcus Chui | 48.74 | 9 | B: 48.29 (+0.45s | 0.9%) | South San Francisco Aquatics | 03/28/2026 | PSL March CBA+ | ||
| 403 | Elijah Jacobs | 48.78 | 10 | B: 48.29 (+0.49s | 1.0%) | Crescent City Swim Club | 11/09/2024 | SCAT Open | ||
| 404 | Andy Shi | 48.81 | 9 | B: 48.29 (+0.52s | 1.1%) | Santa Clara Swim Club | 02/07/2026 | Valley Splash Short Course C B A Meet | ||
| 405 | Alex Hirata | 48.82 | 10 | B: 48.29 (+0.53s | 1.1%) | DeAnza Cupertino Aquatics | 10/11/2025 | 2025 DACA SC CBA Meet | ||
| 406 | Jaechul Jung | 48.87 | 9 | B: 48.29 (+0.58s | 1.2%) | Palo Alto Stanford Aquatics | 02/07/2026 | PASA CBA+ SCY Meet Feb 2026 | ||
| 407 | Nolan Morrill | 48.97 | 9 | B: 48.29 (+0.68s | 1.4%) | South Valley Stingrays | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | ||
| 408 | Logan Rowalt | 48.97 | 9 | B: 48.29 (+0.68s | 1.4%) | DeAnza Cupertino Aquatics | 03/07/2026 | DACA CBA Meet | ||
| 409 | Zachary Tsang | 48.98 | 9 | B: 48.29 (+0.69s | 1.4%) | Palo Alto Stanford Aquatics | 03/07/2026 | 2026 PASA Last Chance For JO S | ||
| 410 | Joshua Thomas | 48.98 | 10 | B: 48.29 (+0.69s | 1.4%) | Sunnyvale Swim Club | 03/28/2026 | LAMV C B A+ Meet | ||
| 411 | Jordan Zhu | 49.04 | 8 | B: 48.29 (+0.75s | 1.5%) | Quicksilver Swimming | 02/07/2026 | Valley Splash Short Course C B A Meet | ||
| 412 | Cary Chen | 49.04 | 10 | B: 48.29 (+0.75s | 1.5%) | DeAnza Cupertino Aquatics | 03/07/2026 | DACA CBA Meet | ||
| 413 | Benjamin Foster | 49.05 | 9 | B: 48.29 (+0.76s | 1.5%) | Neptune Swimming | 12/06/2025 | Neptune Swimming Swim Like The Dickens | ||
| 414 | Insar Imyarov | 49.06 | 10 | B: 48.29 (+0.77s | 1.6%) | San Jose Goosemonkeys | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | ||
| 415 | Braden Saporsantos | 49.11 | 10 | B: 48.29 (+0.82s | 1.7%) | East Bay Silver Dolphins | 12/14/2024 | Richard Thorntorn Memorial Meet SCY CBBB+ | ||
| 416 | Matvey Molchanov | 49.17 | 10 | B: 48.29 (+0.88s | 1.8%) | California Dolphins Swim Team | 03/28/2026 | PC CDST SC C B BB+ Meet | ||
| 417 | Zander Flores | 49.19 | 8 | B: 48.29 (+0.90s | 1.8%) | Alameda Gators | 01/10/2026 | Pleasanton Seahawks SCY C B BB+ Meet | ||
| 418 | League Anakata | 49.19 | 10 | B: 48.29 (+0.90s | 1.8%) | Alameda Gators | 03/22/2025 | Albany Armada Aquatics SC C B BB+ | ||
| 419 | Leo Yetim | 49.22 | 9 | B: 48.29 (+0.93s | 1.9%) | DeAnza Cupertino Aquatics | 10/11/2025 | 2025 DACA SC CBA Meet | ||
| 420 | Christopher Rasmuson | 49.24 | 9 | B: 48.29 (+0.95s | 1.9%) | Bishop Swim Team | 08/02/2024 | High Country Short Course Championship | ||
| 421 | Lawrence Lan | 49.25 | 9 | B: 48.29 (+0.96s | 1.9%) | Alto Swim Club | 03/07/2026 | DACA CBA Meet | ||
| 422 | Cody Darnell | 49.32 | 10 | B: 48.29 (+1.03s | 2.1%) | South Valley Makos | 03/01/2025 | Santa Clara Swim Club Race To AG Champs | ||
| 423 | Benjamin Huang | 49.34 | 10 | B: 48.29 (+1.05s | 2.1%) | Otter Swim Club | 11/14/2025 | PSL Pumpkin Spice Lovers 25 129 | ||
| 424 | Mateo Navarrete | 49.34 | 9 | B: 48.29 (+1.05s | 2.1%) | Sonoma Sea Dragons | 01/31/2026 | 2026 Peggy Ramirez Memorial Z3 Winter Champs | ||
| 425 | Canaan Harris | 49.41 | 10 | B: 48.29 (+1.12s | 2.3%) | Sunnyvale Swim Club | 03/28/2026 | LAMV C B A+ Meet | ||
| 426 | Ryan Feng | 49.46 | 8 | B: 48.29 (+1.17s | 2.4%) | Santa Clara Swim Club | 02/28/2026 | Swim South Bay | ||
| 427 | Oliver Morrison | 49.48 | 10 | B: 48.29 (+1.19s | 2.4%) | Palo Alto Stanford Aquatics | 12/04/2025 | 2025 Holiday Swim Festival | ||
| 428 | Mark Tan | 49.48 | 11 | B: 48.29 (+1.19s | 2.4%) | ElitSwim Club | 10/18/2025 | PC SRVA SCY B BB+ Meet | ||
| 429 | Lucas Li | 49.50 | 9 | B: 48.29 (+1.21s | 2.4%) | Alto Swim Club | 02/22/2025 | De Anza C B A+ | ||
| 430 | Jackson Bock | 49.50 | 10 | B: 48.29 (+1.21s | 2.4%) | Napa Valley Swim Team | 01/31/2026 | 2026 Peggy Ramirez Memorial Z3 Winter Champs | ||
| 431 | Angelo Cao | 49.50 | 8 | B: 48.29 (+1.21s | 2.4%) | Quicksilver Swimming | 12/05/2025 | Zone 1S Year End Age Group Champs Minus Meet | ||
| 432 | Stetson Webb | 49.50 | 10 | B: 48.29 (+1.21s | 2.4%) | Sebastopol Sea Serpents | 04/18/2026 | RP SWIM CLUB (PRNA) SPRING SWIM FEST! | ||
| 433 | Jake Chow | 49.52 | 10 | B: 48.29 (+1.23s | 2.5%) | California Dolphins Swim Team | 05/17/2026 | Montclair 14 Under Short Course Pentathlon | ||
| 434 | Crew Dacko | 49.55 | 9 | B: 48.29 (+1.26s | 2.5%) | Montclair Swim Team | 11/15/2025 | NVST Swimming Into Fall 2025 | ||
| 435 | Leon Mishin | 49.56 | 7 | B: 48.29 (+1.27s | 2.6%) | Walnut Creek Aquabears | 10/18/2025 | PC SRVA SCY B BB+ Meet | ||
| 436 | Nicolas Etkin | 49.70 | 10 | B: 48.29 (+1.41s | 2.8%) | Los Altos Mountain View Aquati | 10/25/2025 | 2025 SUNN Fall Classic | ||
| 437 | Advent Chang | 49.75 | 10 | B: 48.29 (+1.46s | 2.9%) | Otter Swim Club | 11/14/2025 | PSL Pumpkin Spice Lovers 25 129 | ||
| 438 | Andrew Bu | 49.76 | 10 | B: 48.29 (+1.47s | 3.0%) | Alto Swim Club | 11/09/2024 | Alto Go The Distance | ||
| 439 | Evan Doong | 49.78 | 10 | B: 48.29 (+1.49s | 3.0%) | Sunnyvale Swim Club | 09/28/2025 | SUNN Blue And Gold Intrasquad Meet Copied | ||
| 440 | Bromley Ashforth | 49.78 | 7 | B: 48.29 (+1.49s | 3.0%) | Neptune Swimming | 10/18/2025 | Sebastopol Sea Serpents CBA+ Pumpkin Plunge | ||
| 441 | Wesley Mulder | 49.82 | 11 | B: 48.29 (+1.53s | 3.1%) | Aptos Cabrillo Swim Club | 07/18/2025 | CVAL | ||
| 442 | Mason Lu | 49.84 | 9 | B: 48.29 (+1.55s | 3.1%) | Quicksilver Swimming | 12/05/2025 | Zone 1S Year End Age Group Champs Minus Meet | ||
| 443 | Henry Pinkerton | 49.85 | 8 | B: 48.29 (+1.56s | 3.1%) | North Bay Aquatics | 11/15/2025 | NVST Swimming Into Fall 2025 | ||
| 444 | Mark Molochko | 49.89 | 8 | B: 48.29 (+1.60s | 3.2%) | San Ramon Valley Aquatics | 03/07/2026 | SRVA Last Chance Meet B BB+ | ||
| 445 | Samuel Baltasar | 49.89 | 10 | B: 48.29 (+1.60s | 3.2%) | Daly City Dolphins | 09/13/2025 | East Bay Silver Dolphins Short Course C B BB+ | ||
| 446 | Om Bhuta | 49.92 | 10 | B: 48.29 (+1.63s | 3.3%) | California Dolphins Swim Team | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | ||
| 447 | William Machado | 49.94 | 10 | B: 48.29 (+1.65s | 3.3%) | AC Swim Club | 03/28/2026 | SSS Small Fry Invitational | ||
| 448 | Leif Ma | 49.99 | 9 | B: 48.29 (+1.70s | 3.4%) | Alto Swim Club | 02/07/2026 | Alto Feb 7 8 CBA Valentines Day | ||
| 449 | Harvey Zhong | 50.00 | 10 | B: 48.29 (+1.71s | 3.4%) | Alto Swim Club | 12/19/2025 | ALTO Candy Cane Classic | ||
| 450 | Oliver Li Chang | 50.00 | 10 | B: 48.29 (+1.71s | 3.4%) | San Ramon Valley Aquatics | 10/18/2025 | PC SRVA SCY B BB+ Meet | ||
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.