Pacific Swimming Boys 10 & under - 50 Y Breast
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 601 | Leif Ma | 57.04 | 9 | B: 53.39 (+3.65s | 6.4%) | Alto Swim Club | 02/07/2026 | Alto Feb 7 8 CBA Valentines Day | ||
| 602 | Logan Ding | 57.04 | 9 | B: 53.39 (+3.65s | 6.4%) | California Dolphins Swim Team | 12/05/2025 | Pacific Swim SC C B BB+ Hosted By TERA | ||
| 603 | Arjun Niranjan Shetty | 57.07 | 7 | B: 53.39 (+3.68s | 6.4%) | South Valley Makos | 04/26/2025 | Pacific Swimming 10 Under SC Championships | ||
| 604 | Aiden Xu | 57.13 | 8 | B: 53.39 (+3.74s | 6.5%) | Northern Nevada Aquatics | 01/16/2026 | 2026 Blizzard Blast Swim Meet | ||
| 605 | Lucas Sun | 57.13 | 9 | B: 53.39 (+3.74s | 6.5%) | Unattached | 10/25/2025 | 2025 SUNN Fall Classic | ||
| 606 | Jameson Wallace | 57.14 | 7 | B: 53.39 (+3.75s | 6.6%) | Napa Valley Swim Team | 01/17/2026 | PC PRNA Final Splash To The Championship CBA+ | ||
| 607 | Darius Parineh | 57.15 | 9 | B: 53.39 (+3.76s | 6.6%) | Alto Swim Club | 11/15/2025 | Alto Nov 15 16 Fall Frolic | ||
| 608 | Mason Carlyle | 57.18 | 10 | B: 53.39 (+3.79s | 6.6%) | Gilroy Gators Swim Team | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | ||
| 609 | Dennis Liu | 57.19 | 9 | B: 53.39 (+3.80s | 6.6%) | Milpitas Aquatic Club | 09/27/2025 | 2025 MAC Season Kick Off | ||
| 610 | Brody Mallo | 57.24 | 8 | B: 53.39 (+3.85s | 6.7%) | Monterey Bay Swim Club | 11/15/2024 | MBSC GSMY Z1S Race To AGC C B A+ | ||
| 611 | Naitian Yao | 57.31 | 9 | B: 53.39 (+3.92s | 6.8%) | Alto Swim Club | 03/29/2025 | Alto Rock The Blocks Invitational | ||
| 612 | Logan Pho | 57.32 | 7 | B: 53.39 (+3.93s | 6.9%) | South San Francisco Aquatics | 12/06/2025 | DCD Winter Holiday Splash CBA+ | ||
| 613 | Benjamin Cheng | 57.32 | 7 | B: 53.39 (+3.93s | 6.9%) | San Ramon Valley Aquatics | 12/05/2025 | Pacific Swim SC C B BB+ Hosted By TERA | ||
| 614 | Isaac Duran | 57.39 | 9 | B: 53.39 (+4.00s | 7.0%) | Seaside Aquatic Club | 12/14/2024 | Zone 1 South Winter Championships | ||
| 615 | Mason Lu | 57.39 | 9 | B: 53.39 (+4.00s | 7.0%) | Quicksilver Swimming | 10/11/2025 | QSS Santa Cruz Competenicia C B A+ | ||
| 616 | Octavius Tse | 57.42 | 10 | B: 53.39 (+4.03s | 7.0%) | Palo Alto Stanford Aquatics | 03/22/2025 | 2025 Los Altos Mountain View SC CBA Meet | ||
| 617 | Nathan Hsu | 57.44 | 10 | B: 53.39 (+4.05s | 7.1%) | DeAnza Cupertino Aquatics | 10/11/2025 | 2025 DACA SC CBA Meet | ||
| 618 | Benjamin Foster | 57.45 | 7 | B: 53.39 (+4.06s | 7.1%) | Neptune Swimming | 09/27/2024 | Neptune Swimming Fall Classic | ||
| 619 | Derek Feng | 57.46 | 9 | B: 53.39 (+4.07s | 7.1%) | San Ramon Valley Aquatics | 03/22/2025 | 2025 3 22 CDST SC C B BB+ Meet | ||
| 620 | Shahid Lnu | 57.48 | 10 | B: 53.39 (+4.09s | 7.1%) | DeAnza Cupertino Aquatics | 10/25/2025 | 2025 SUNN Fall Classic | ||
| 621 | Asher Gong | 57.55 | 5 | B: 53.39 (+4.16s | 7.2%) | Unattached | 09/30/2023 | Orinda Aquatics SC C B BB+ | ||
| 622 | Thomas Vartanian | 57.56 | 8 | B: 53.39 (+4.17s | 7.2%) | Burlingame Aquatics | 01/10/2026 | BAC Norman Cutler Memorial | ||
| 623 | Miles Cupido | 57.61 | 9 | B: 53.39 (+4.22s | 7.3%) | Piedmont Swim Team | 11/02/2024 | Albany Armada C B BB+ Meet | ||
| 624 | Jasper Nath | 57.61 | 10 | B: 53.39 (+4.22s | 7.3%) | Alto Swim Club | 01/24/2026 | 2026 Zone 1 North Championships | ||
| 625 | Dylan Liu | 57.61 | 10 | B: 53.39 (+4.22s | 7.3%) | Palo Alto Stanford Aquatics | 02/07/2026 | PASA CBA+ SCY Meet Feb 2026 | ||
| 626 | Stetson Webb | 57.65 | 9 | B: 53.39 (+4.26s | 7.4%) | Sebastopol Sea Serpents | 01/31/2026 | 2026 Peggy Ramirez Memorial Z3 Winter Champs | ||
| 627 | Evan Hu | 57.66 | 8 | B: 53.39 (+4.27s | 7.4%) | Pleasanton Seahawks | 09/27/2025 | Orinda Aquatics SC C B BB+ Meet | ||
| 628 | Anthony Piazza | 57.69 | 9 | B: 53.39 (+4.30s | 7.5%) | Otter Swim Club | 02/07/2026 | Alto Feb 7 8 CBA Valentines Day | ||
| 629 | Moqi Zhu | 57.72 | 8 | B: 53.39 (+4.33s | 7.5%) | Santa Clara Swim Club | 09/27/2025 | 2025 MAC Season Kick Off | ||
| 630 | Taylor Tan | 57.74 | 10 | B: 53.39 (+4.35s | 7.5%) | Santa Clara Swim Club | 10/25/2025 | GGST Spooktacular 2025 | ||
| 631 | Dominic Angerami | 57.77 | 9 | B: 53.39 (+4.38s | 7.6%) | San Francisco Seals Swim Team | 11/08/2025 | TCA PC November SC C B A+ | ||
| 632 | Maksim Ilchenko | 57.78 | 5 | B: 53.39 (+4.39s | 7.6%) | Terrapins Swim Team | 11/08/2025 | Brentwood Seawolves SCY C B BB+ | ||
| 633 | Gavin Wong | 57.93 | 9 | B: 53.39 (+4.54s | 7.8%) | Daly City Dolphins | 02/07/2026 | 2026 PSL Super Finals Invitational | ||
| 634 | Matthew Wang | 57.97 | 8 | B: 53.39 (+4.58s | 7.9%) | Walnut Creek Aquabears | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | ||
| 635 | Elias Braginton | 57.99 | 7 | B: 53.39 (+4.60s | 7.9%) | Lakeridge Swim Team | 01/16/2026 | 2026 Blizzard Blast Swim Meet | ||
| 636 | Mark Pivtoraiko | 58.05 | 10 | B: 53.39 (+4.66s | 8.0%) | Alto Swim Club | 02/07/2026 | Alto Feb 7 8 CBA Valentines Day | ||
| 637 | Oliver Asiri | 58.06 | 9 | B: 53.39 (+4.67s | 8.0%) | Seals Aquatics | 01/31/2026 | 2026 Peggy Ramirez Memorial Z3 Winter Champs | ||
| 638 | John Cosgrove | 58.06 | 9 | B: 53.39 (+4.67s | 8.0%) | Sonoma Sea Dragons | 01/31/2026 | 2026 Peggy Ramirez Memorial Z3 Winter Champs | ||
| 639 | Jackson Bock | 58.07 | 9 | B: 53.39 (+4.68s | 8.1%) | Napa Valley Swim Team | 01/31/2026 | 2026 Peggy Ramirez Memorial Z3 Winter Champs | ||
| 640 | Travis Yu | 58.08 | 9 | B: 53.39 (+4.69s | 8.1%) | Sfrp Rossi Swim Team | 11/09/2024 | PC PRNA CBA+ November 2024 | ||
| 641 | Lucas Oh | 58.14 | 10 | B: 53.39 (+4.75s | 8.2%) | Quicksilver Swimming | 02/07/2026 | Valley Splash Short Course C B A Meet | ||
| 642 | Nathan Li | 58.15 | 10 | B: 53.39 (+4.76s | 8.2%) | Quicksilver Swimming | 01/24/2025 | 2025 Brian Malick Memorial Z1S Championships | ||
| 643 | Charles Fukuma | 58.17 | 9 | B: 53.39 (+4.78s | 8.2%) | South Valley Makos | 11/15/2024 | MBSC GSMY Z1S Race To AGC C B A+ | ||
| 644 | Theodore Barriquand | 58.21 | 10 | B: 53.39 (+4.82s | 8.3%) | Humboldt Swim Club | 04/12/2025 | Sebastopol Sea Serpents 12 U Invitational | ||
| 645 | Sebastian Monroy | 58.24 | 9 | B: 53.39 (+4.85s | 8.3%) | Sunnyvale Swim Club | 09/28/2025 | SUNN Blue And Gold Intrasquad Meet Copied | ||
| 646 | Ethan Wong | 58.24 | 9 | B: 53.39 (+4.85s | 8.3%) | Sfrp Rossi Swim Team | 01/31/2026 | 2026 Peggy Ramirez Memorial Z3 Winter Champs | ||
| 647 | Sammy Banner | 58.30 | 10 | B: 53.39 (+4.91s | 8.4%) | The Olympic Club | 09/20/2025 | WANV CBA+ Endless Summer Meet | ||
| 648 | Rayan Dolatkhah | 58.31 | 10 | B: 53.39 (+4.92s | 8.4%) | Santa Clara Swim Club | 01/24/2025 | 2025 Brian Malick Memorial Z1S Championships | ||
| 649 | Kanishk Mahesha | 58.32 | 10 | B: 53.39 (+4.93s | 8.5%) | San Ramon Valley Aquatics | 01/31/2026 | Zone 2 Winter Championship Meet | ||
| 650 | Jayden Yan | 58.35 | 8 | B: 53.39 (+4.96s | 8.5%) | Quicksilver Swimming | 09/29/2023 | Zone 1S Micro Meet A Hosted By QSS | ||
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.