Western Zone Zone Boys 10 & under - 50 Y Free
These rankings show the swimmers' placement within their Zone.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 | Ryan Li | 34.12 | 10 | BB Min | A: 31.09 (+3.03s | 8.9%) | Trident Swim Club | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 702 | Charlie Wang | 34.13 | 9 | BB Min | A: 31.09 (+3.04s | 8.9%) | DeAnza Cupertino Aquatics | 03/28/2026 | LAMV C B A+ Meet | |
| 703 | Owen Friedman | 34.13 | 8 | BB Min | A: 31.09 (+3.04s | 8.9%) | Legacy Aquatics | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 704 | Bode McCollum | 34.14 | 10 | BB Min | A: 31.09 (+3.05s | 8.9%) | Aces Swim Club | 02/14/2026 | 2026 CO ACES Winter Open | |
| 705 | Otto Seeber | 34.14 | 9 | BB Min | A: 31.09 (+3.05s | 8.9%) | Flatiron Athletic Club | 02/13/2026 | 2026 CO NJ Groundhog Invite | |
| 706 | Silvio Leal | 34.15 | 10 | BB Min | A: 31.09 (+3.06s | 9.0%) | Maui Swim Club | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 707 | Joel Stees | 34.15 | 10 | BB Min | A: 31.09 (+3.06s | 9.0%) | Aquawolves Swimming | 02/14/2026 | 2026 CO AQUA February Home Meet | |
| 708 | Charles Kramer | 34.18 | 10 | BB Min | A: 31.09 (+3.09s | 9.0%) | Los Angeles Swim Club | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 709 | Justin Chi | 34.19 | 9 | BB Min | A: 31.09 (+3.10s | 9.1%) | DeAnza Cupertino Aquatics | 03/28/2026 | LAMV C B A+ Meet | |
| 710 | Joshua Lee | 34.19 | 10 | BB Min | A: 31.09 (+3.10s | 9.1%) | Vandal Aquatic Club | 02/13/2026 | (Pullman) 2026 IES Jr Champs | |
| 711 | Thomas Cooke | 34.19 | 9 | BB Min | A: 31.09 (+3.10s | 9.1%) | Aptos Cabrillo Swim Club | 07/18/2025 | CVAL | |
| 712 | Chenrui Cui | 34.19 | 8 | BB Min | A: 31.09 (+3.10s | 9.1%) | Unattached | 02/20/2026 | 2026 PN SRST Champs Qualifier Approved | |
| 713 | Reid Dixon | 34.20 | 10 | BB Min | A: 31.09 (+3.11s | 9.1%) | SlipStream Aquatics | 03/06/2026 | 2026 CO 14 U Silver State | |
| 714 | Michael Campbell | 34.20 | 10 | BB Min | A: 31.09 (+3.11s | 9.1%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 11/08/2025 | Atlantis 2025 Fall Quack Tack Ular | |
| 715 | Wonmin Kim | 34.24 | 10 | BB Min | A: 31.09 (+3.15s | 9.2%) | Dart Swimming | 11/08/2025 | Folsom Classic 2025 | |
| 716 | Luke Chaikriangkrai | 34.25 | 9 | BB Min | A: 31.09 (+3.16s | 9.2%) | Pro Swimming | 01/17/2026 | 2026 PN SMAC Winter Invitational Approved | |
| 717 | Alejandro Gonzalez | 34.25 | 9 | BB Min | A: 31.09 (+3.16s | 9.2%) | Los Angeles Swim Club | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 718 | Porter Lander | 34.26 | 10 | BB Min | A: 31.09 (+3.17s | 9.3%) | Roseburg | 02/13/2026 | 2026 OR HS 6A 7 | |
| 719 | Ethan Zhu | 34.30 | 10 | BB Min | A: 31.09 (+3.21s | 9.4%) | DeAnza Cupertino Aquatics | 11/15/2025 | De Anza Cupertino Aquatics CBA+ Meet | |
| 720 | Christopher Roeder | 34.30 | 10 | BB Min | A: 31.09 (+3.21s | 9.4%) | Aspen Swim Club | 06/07/2025 | 2025 CO Aspen Summer Meet | |
| 721 | Dylan Tian | 34.31 | 8 | BB Min | A: 31.09 (+3.22s | 9.4%) | Santa Clara Swim Club | 03/28/2026 | Swim South Bay | |
| 722 | Rufus Tang | 34.31 | 9 | BB Min | A: 31.09 (+3.22s | 9.4%) | Pacific Dragons Swim Team | 01/24/2026 | 2026 PN PDST Winter Invitational Meet Approv | |
| 723 | Thomas Halford | 34.31 | 10 | BB Min | A: 31.09 (+3.22s | 9.4%) | Pikes Peak Athletics | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 724 | Lucas Richardson | 34.31 | 10 | BB Min | A: 31.09 (+3.22s | 9.4%) | Hawaii Swimming Club | 03/07/2026 | 2026 HI Junior Age Group SCY Championship | |
| 725 | Hudson Porter | 34.32 | 9 | BB Min | A: 31.09 (+3.23s | 9.4%) | Wave Aquatics | 02/27/2026 | 2026 PN February AGI, Division 2 Approved | |
| 726 | Aiden Huang | 34.32 | 10 | BB Min | A: 31.09 (+3.23s | 9.4%) | DeAnza Cupertino Aquatics | 10/25/2025 | 2025 SUNN Fall Classic | |
| 727 | Isak Breckon | 34.32 | 10 | BB Min | A: 31.09 (+3.23s | 9.4%) | South Davis Aquatics Team | 10/25/2025 | SDAT October 2025 Intrasquad Meet | |
| 728 | Brandon Son | 34.33 | 8 | BB Min | A: 31.09 (+3.24s | 9.4%) | Columbia River Swim Team | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 729 | Jonathan Chen | 34.33 | 9 | BB Min | A: 31.09 (+3.24s | 9.4%) | California Dolphins Swim Team | 03/07/2026 | SRVA Last Chance Meet B BB+ | |
| 730 | Flynn Chen | 34.34 | 9 | BB Min | A: 31.09 (+3.25s | 9.5%) | DeAnza Cupertino Aquatics | 03/07/2026 | DACA CBA Meet | |
| 731 | Benjamin Pho | 34.35 | 10 | BB Min | A: 31.09 (+3.26s | 9.5%) | Gold\\\\\\'s Aquatics Club | 03/07/2026 | 2026 PN C March Madness Approved | |
| 732 | Samuel Diemert | 34.36 | 9 | BB Min | A: 31.09 (+3.27s | 9.5%) | Mission Aurora Colorado Swimmi | 03/13/2026 | Mile High Championship Invitational | |
| 733 | Roman Tsikalov | 34.37 | 10 | BB Min | A: 31.09 (+3.28s | 9.5%) | Otter Swim Club | 03/28/2026 | LAMV C B A+ Meet | |
| 734 | Brady Lindauer | 34.37 | 10 | BB Min | A: 31.09 (+3.28s | 9.5%) | Unattached | 10/25/2025 | 2025 SUNN Fall Classic | |
| 735 | Luke Xu | 34.37 | 10 | BB Min | A: 31.09 (+3.28s | 9.5%) | Unattached | 02/28/2026 | VJO Rep The Bay C B A+ 2026 Copied | |
| 736 | Nicolas Pataky | 34.38 | 10 | BB Min | A: 31.09 (+3.29s | 9.6%) | Palo Alto Stanford Aquatics | 11/15/2025 | De Anza Cupertino Aquatics CBA+ Meet | |
| 737 | Aaron Wang | 34.39 | 9 | BB Min | A: 31.09 (+3.30s | 9.6%) | Brea Aquatics | 02/13/2026 | 2026 MVN Lunar AAPI Festival | |
| 738 | Miles Wood | 34.40 | 9 | BB Min | A: 31.09 (+3.31s | 9.6%) | Dart Swimming | 11/09/2024 | Folsom Classic 2024 | |
| 739 | Kai Mihov | 34.40 | 10 | BB Min | A: 31.09 (+3.31s | 9.6%) | Palo Alto Stanford Aquatics | 03/07/2026 | 2026 PASA Last Chance For JO S | |
| 740 | Lok Zhang | 34.40 | 10 | BB Min | A: 31.09 (+3.31s | 9.6%) | Pacific Dragons Swim Team | 02/07/2026 | 2026 PN IST Feb Winter Invitational Approved | |
| 741 | Om Palan | 34.41 | 10 | B: 32.79 (+1.62s | 4.7%) | California Dolphins Swim Team | 10/18/2025 | PC CDST SC C B BB+ | ||
| 742 | Watson Xie | 34.41 | 9 | BB Min | A: 31.09 (+3.32s | 9.6%) | Chinook Aquatic Club | 02/27/2026 | 2026 PN February AGI, Division 2 Approved | |
| 743 | Connor Mahoney | 34.41 | 5 | BB Min | A: 31.09 (+3.32s | 9.6%) | Terrapins Swim Team | 09/27/2025 | Orinda Aquatics SC C B BB+ Meet | |
| 744 | Isaac Marcuson | 34.41 | 10 | BB Min | A: 31.09 (+3.32s | 9.6%) | Aspire Aquatics of Colorado | 01/23/2026 | 2026 CO FAST Winter Open | |
| 745 | Eddie Bi | 34.41 | 9 | BB Min | A: 31.09 (+3.32s | 9.6%) | California Dolphins Swim Team | 03/07/2026 | SRVA Last Chance Meet B BB+ | |
| 746 | Wyatt Chandler | 34.42 | 10 | BB Min | A: 31.09 (+3.33s | 9.7%) | San Dimas Aquatics | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 747 | Sanders Ford | 34.44 | 8 | BB Min | A: 31.09 (+3.35s | 9.7%) | Las Cruces Aquatic Team | 02/13/2026 | 2026 BD Arctic BLAST Swim Meet | |
| 748 | Gavin Wong | 34.44 | 9 | BB Min | A: 31.09 (+3.35s | 9.7%) | Daly City Dolphins | 03/07/2026 | BAC Race To AGCs | |
| 749 | Qifan Gong | 34.45 | 9 | BB Min | A: 31.09 (+3.36s | 9.8%) | Bellevue Club Swim Team | 12/06/2025 | 2025 PN Fall Divisionals, Division 1 OCA | |
| 750 | Ashton Chen | 34.47 | 10 | BB Min | A: 31.09 (+3.38s | 9.8%) | Brea Aquatics | 02/13/2026 | 2026 MVN Lunar AAPI Festival | |
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.