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 | |
|---|---|---|---|---|---|---|---|---|---|
| 701 | Samuel Bucklin | 56.00 | 10 | B: 48.29 (+7.71s | 13.8%) | Humboldt Swim Club | 11/22/2025 | Thankswimming Classic 2025 | ||
| 702 | Benjamin Storum | 56.07 | 6 | B: 48.29 (+7.78s | 13.9%) | Sebastopol Sea Serpents | 03/28/2026 | SSS Small Fry Invitational | ||
| 703 | Bronson Bruland | 56.09 | 10 | B: 48.29 (+7.80s | 13.9%) | Mlst | 06/14/2025 | Bishop Invitational 2025 | ||
| 704 | Karl Madsen | 56.14 | 10 | B: 48.29 (+7.85s | 14.0%) | Aptos Cabrillo Swim Club | 07/18/2025 | CVAL | ||
| 705 | Henry Ma | 56.18 | 9 | B: 48.29 (+7.89s | 14.0%) | Bay Club Panthers | 10/11/2025 | 2025 DACA SC CBA Meet | ||
| 706 | Daniel DeSalvo | 56.24 | 10 | B: 48.29 (+7.95s | 14.1%) | Monterey Bay Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | ||
| 707 | Alexander Kazakov | 56.31 | 8 | B: 48.29 (+8.02s | 14.2%) | Reno Aquatic Club | 10/17/2025 | 2025 KING OF THE HILL CHALLENGE | ||
| 708 | Chase White | 56.34 | 10 | B: 48.29 (+8.05s | 14.3%) | South Valley Makos | 01/24/2025 | 2025 Brian Malick Memorial Z1S Championships | ||
| 709 | Lucca Chavez | 56.39 | 10 | B: 48.29 (+8.10s | 14.4%) | Neptune Swimming | 12/06/2025 | Neptune Swimming Swim Like The Dickens | ||
| 710 | Walter Butts | 56.40 | 8 | B: 48.29 (+8.11s | 14.4%) | AC Swim Club | 01/17/2026 | PC PRNA Final Splash To The Championship CBA+ | ||
| 711 | Maksim Ilchenko | 56.41 | 5 | B: 48.29 (+8.12s | 14.4%) | Terrapins Swim Team | 10/18/2025 | PC SRVA SCY B BB+ Meet | ||
| 712 | Ryan Shen | 56.44 | 7 | B: 48.29 (+8.15s | 14.4%) | Santa Clara Swim Club | 02/28/2026 | Swim South Bay | ||
| 713 | Alan Bu | 56.45 | 8 | B: 48.29 (+8.16s | 14.5%) | Sunnyvale Swim Club | 10/11/2025 | 2025 DACA SC CBA Meet | ||
| 714 | Felix Rao | 56.47 | 7 | B: 48.29 (+8.18s | 14.5%) | Santa Clara Swim Club | 03/28/2026 | Swim South Bay | ||
| 715 | Lawrence Lai | 56.49 | 8 | B: 48.29 (+8.20s | 14.5%) | San Ramon Valley Aquatics | 03/07/2026 | SRVA Last Chance Meet B BB+ | ||
| 716 | Noah Chen | 56.51 | 6 | B: 48.29 (+8.22s | 14.5%) | Reno Aquatic Club | 03/14/2026 | 2026 NNA AGO | ||
| 717 | Ethan Masson | 56.53 | 10 | B: 48.29 (+8.24s | 14.6%) | Pacifica Sea Lions | 03/28/2026 | PSL March CBA+ | ||
| 718 | Lorenzo Watts | 56.55 | 7 | B: 48.29 (+8.26s | 14.6%) | Sebastopol Sea Serpents | 01/17/2026 | PC PRNA Final Splash To The Championship CBA+ | ||
| 719 | Benjamin Kearney | 56.56 | 10 | B: 48.29 (+8.27s | 14.6%) | Burlingame Aquatics | 10/26/2024 | TYR BAC Spooky Fall Classic C B A+ Meet | ||
| 720 | Ryan Nguyen | 56.63 | 10 | B: 48.29 (+8.34s | 14.7%) | Quicksilver Swimming | 09/16/2023 | 2023 MAC SC CBA+ Meet | ||
| 721 | Emerson DeLacy | 56.69 | 9 | B: 48.29 (+8.40s | 14.8%) | Piedmont Swim Team | 10/18/2025 | PC CDST SC C B BB+ | ||
| 722 | Patrick Chen | 56.75 | 9 | B: 48.29 (+8.46s | 14.9%) | Sunnyvale Swim Club | 03/22/2025 | 2025 Los Altos Mountain View SC CBA Meet | ||
| 723 | Adam Alkhayru | 56.75 | 9 | B: 48.29 (+8.46s | 14.9%) | West Florida Lightning Aquatic | 02/14/2025 | 18th Annual TBAY Gasparilla Races 2025 | ||
| 724 | Miles Diaz | 56.77 | 8 | B: 48.29 (+8.48s | 14.9%) | Unattached | 11/15/2024 | MBSC GSMY Z1S Race To AGC C B A+ | ||
| 725 | Cohen Groboske | 56.79 | 9 | B: 48.29 (+8.50s | 15.0%) | Piedmont Swim Team | 03/28/2026 | Piedmont Swim Team C B BB+ | ||
| 726 | Hanchen Guo-Li | 56.79 | 9 | B: 48.29 (+8.50s | 15.0%) | Alto Swim Club | 02/07/2026 | Alto Feb 7 8 CBA Valentines Day | ||
| 727 | Luke D'Souza | 56.85 | 9 | B: 48.29 (+8.56s | 15.1%) | Bay Club Panthers | 02/07/2026 | PASA CBA+ SCY Meet Feb 2026 | ||
| 728 | Calvin Guess | 56.95 | 7 | B: 48.29 (+8.66s | 15.2%) | Tahoe Swim Club | 02/06/2026 | 2026 Valentines Day Age Group Open | ||
| 729 | Jonathan Iskander | 57.03 | 8 | B: 48.29 (+8.74s | 15.3%) | Walnut Creek Aquabears | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | ||
| 730 | Adrien Gerbaux | 57.04 | 10 | B: 48.29 (+8.75s | 15.3%) | Palo Alto Stanford Aquatics | 03/07/2026 | 2026 PASA Last Chance For JO S | ||
| 731 | Ben Otaviano | 57.06 | 9 | B: 48.29 (+8.77s | 15.4%) | Neptune Swimming | 10/18/2025 | Morning Invite Pumpkin Plunge | ||
| 732 | Winston Qiao | 57.07 | 8 | B: 48.29 (+8.78s | 15.4%) | Burlingame Aquatics | 02/07/2026 | Alto Feb 7 8 CBA Valentines Day | ||
| 733 | Joji Hutchinson | 57.19 | 9 | B: 48.29 (+8.90s | 15.6%) | Aptos Cabrillo Swim Club | 03/01/2025 | Santa Clara Swim Club Race To AG Champs | ||
| 734 | Christopher Ciaschini | 57.22 | 8 | B: 48.29 (+8.93s | 15.6%) | Seals Aquatics | 10/11/2025 | VJO Sprint For The Golden Ticket CBA+ 2025 | ||
| 735 | Andrew Dai | 57.29 | 10 | B: 48.29 (+9.00s | 15.7%) | Palo Alto Stanford Aquatics | 03/07/2026 | 2026 PASA Last Chance For JO S | ||
| 736 | Colson Mou | 57.33 | 9 | B: 48.29 (+9.04s | 15.8%) | South San Francisco Aquatics | 01/10/2026 | SSF NEW YEAR SPLASH C B A+ | ||
| 737 | Kaivan Mehta | 57.36 | 10 | B: 48.29 (+9.07s | 15.8%) | Almaden Riptide | 01/24/2025 | 2025 Brian Malick Memorial Z1S Championships | ||
| 738 | Hugo Situ | 57.37 | 9 | B: 48.29 (+9.08s | 15.8%) | Daly City Dolphins | 12/09/2023 | DCD Winter Holiday Splash CBA+ Meet | ||
| 739 | Nathanael Thaulad | 57.40 | 9 | B: 48.29 (+9.11s | 15.9%) | Quicksilver Swimming | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | ||
| 740 | Qianmo Sun | 57.41 | 8 | B: 48.29 (+9.12s | 15.9%) | Otter Swim Club | 03/28/2026 | LAMV C B A+ Meet | ||
| 741 | Calix Lai | 57.46 | 9 | B: 48.29 (+9.17s | 16.0%) | California Dolphins Swim Team | 11/02/2024 | SRVA SCY CBBB+ | ||
| 742 | Remington Marian | 57.49 | 7 | B: 48.29 (+9.20s | 16.0%) | Neptune Swimming | 11/08/2025 | TCA PC November SC C B A+ | ||
| 743 | Ian Paik | 57.51 | 9 | B: 48.29 (+9.22s | 16.0%) | Palo Alto Stanford Aquatics | 12/20/2025 | 2025 PASA Winter Frolic Meet @ PALY HS | ||
| 744 | James Worters | 57.65 | 10 | B: 48.29 (+9.36s | 16.2%) | Otter Swim Club | 10/11/2025 | 2025 DACA SC CBA Meet | ||
| 745 | Ari Theobald-Anderson | 57.65 | 9 | B: 48.29 (+9.36s | 16.2%) | Montclair Swim Team | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | ||
| 746 | Justin Xiao | 57.68 | 9 | B: 48.29 (+9.39s | 16.3%) | East Bay Bat Rays | 11/02/2024 | Albany Armada C B BB+ Meet | ||
| 747 | Marcus Trieu | 57.68 | 10 | B: 48.29 (+9.39s | 16.3%) | Unattached | 02/07/2026 | PASA CBA+ SCY Meet Feb 2026 | ||
| 748 | Otis Williams | 57.71 | 8 | B: 48.29 (+9.42s | 16.3%) | Lakeridge Swim Team | 03/14/2026 | 2026 NNA AGO | ||
| 749 | Zacho Shamiya | 57.72 | 10 | B: 48.29 (+9.43s | 16.3%) | Ukiah Dolphins | 10/06/2023 | Neptune Swimming Fall Classic | ||
| 750 | Austin Sommer | 57.78 | 8 | B: 48.29 (+9.49s | 16.4%) | San Ramon Valley Aquatics | 02/20/2026 | Pacific Swim SCY C B BB+ Meet Hosted By TERA | ||
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.