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 | |
|---|---|---|---|---|---|---|---|---|---|
| 651 | Andrew Knol | 33.49 | 10 | BB Min | A: 31.09 (+2.40s | 7.2%) | Pacific Swim | 01/17/2026 | 2026 SI MRA A BB Meet | |
| 652 | Oliver Pearce | 33.50 | 9 | BB Min | A: 31.09 (+2.41s | 7.2%) | Aces Swim Club | 02/14/2026 | 2026 CO ACES Winter Open | |
| 653 | Owen Tan | 33.50 | 8 | BB Min | A: 31.09 (+2.41s | 7.2%) | Hawaii Swimming Club | 10/25/2025 | 2025 HI 25th Annual Bill Smith Invitational | |
| 654 | Charlie Sundberg | 33.51 | 10 | BB Min | A: 31.09 (+2.42s | 7.2%) | Univ. of Denver Hilltoppers | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 655 | Alexander Warren Moy | 33.51 | 9 | BB Min | A: 31.09 (+2.42s | 7.2%) | Palo Alto Stanford Aquatics | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 656 | Charlie Matella | 33.51 | 10 | BB Min | A: 31.09 (+2.42s | 7.2%) | Alameda Gators | 05/18/2025 | Montclair 14 Under Short Course Pentathlon | |
| 657 | Callan Purcell | 33.52 | 10 | BB Min | A: 31.09 (+2.43s | 7.2%) | Life Time Colorado Swim Club | 03/06/2026 | 2026 CO 14 U Silver State | |
| 658 | Gabriel Goldman-Mohl | 33.52 | 10 | BB Min | A: 31.09 (+2.43s | 7.2%) | Dart Swimming | 11/08/2025 | Folsom Classic 2025 | |
| 659 | Daniel Heilman | 33.53 | 10 | BB Min | A: 31.09 (+2.44s | 7.3%) | San Francisco Seals Swim Team | 02/28/2026 | VJO Rep The Bay C B A+ 2026 Copied | |
| 660 | Finn Blakeslee | 33.53 | 10 | BB Min | A: 31.09 (+2.44s | 7.3%) | Hood River Valley Swim Team | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 661 | David Zhang | 33.55 | 10 | BB Min | A: 31.09 (+2.46s | 7.3%) | Pacific Dragons Swim Team | 01/24/2026 | 2026 PN PDST Winter Invitational Meet Approv | |
| 662 | Raizo Copp | 33.56 | 10 | BB Min | A: 31.09 (+2.47s | 7.4%) | King Aquatic Club | 12/06/2025 | 2025 PN Fall Divisionals, Division 1 OCA | |
| 663 | Jax John | 33.58 | 10 | BB Min | A: 31.09 (+2.49s | 7.4%) | Mesa Aquatics Club | 02/13/2026 | 34th Annual Lost Dutchman Invitational | |
| 664 | Owen Weber | 33.58 | 10 | BB Min | A: 31.09 (+2.49s | 7.4%) | CAC Stingrays Swim Team | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 665 | Aidan Woods | 33.59 | 10 | BB Min | A: 31.09 (+2.50s | 7.4%) | Fort Collins Area Swim Team | 01/23/2026 | 2026 CO FAST Winter Open | |
| 666 | Orion Blue-Smith | 33.60 | 9 | BB Min | A: 31.09 (+2.51s | 7.5%) | Palo Alto Stanford Aquatics | 01/24/2026 | 2026 Zone 1 North Championships | |
| 667 | Ethan Wang | 33.61 | 8 | BB Min | A: 31.09 (+2.52s | 7.5%) | Alto Swim Club | 11/15/2025 | Alto Nov 15 16 Fall Frolic | |
| 668 | Rhys Beyeler-Evans | 33.61 | 10 | BB Min | A: 31.09 (+2.52s | 7.5%) | Piedmont Swim Team | 11/08/2025 | Albany Armada Aquatics C B BB+ Meet | |
| 669 | Samuel Siegrist | 33.61 | 9 | BB Min | A: 31.09 (+2.52s | 7.5%) | North Medford | 02/14/2025 | 2025 OR HS 6A 7 | |
| 670 | William Tate | 33.62 | 10 | BB Min | A: 31.09 (+2.53s | 7.5%) | Pueblo County Swim Team | 03/06/2026 | 2026 CO 14 U Silver State | |
| 671 | Vaughn Jacob | 33.62 | 10 | BB Min | A: 31.09 (+2.53s | 7.5%) | Mount Hood Aquatics | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 672 | Jercey Zhao | 33.63 | 10 | BB Min | A: 31.09 (+2.54s | 7.6%) | Unattached | 01/31/2026 | 2026 PN BISC Bluefin Invitational | |
| 673 | Vincent Xie | 33.64 | 10 | BB Min | A: 31.09 (+2.55s | 7.6%) | Beaverton Area Aquatics Club | 02/07/2026 | 2026 OR HEAT BC Blastoff | |
| 674 | Hawx Hansen | 33.64 | 10 | BB Min | A: 31.09 (+2.55s | 7.6%) | Wasatch Front Fish Market | 10/23/2025 | WFFM Halloween IMX 2024 | |
| 675 | Peter Hofman | 33.65 | 10 | BB Min | A: 31.09 (+2.56s | 7.6%) | Cascade Swim Club | 03/07/2026 | 2026 PDST Mar Pentathlon Last Chance Approved | |
| 676 | Noah Chiu | 33.65 | 10 | BB Min | A: 31.09 (+2.56s | 7.6%) | Alto Swim Club | 02/07/2026 | Alto Feb 7 8 CBA Valentines Day | |
| 677 | Chandler Chung | 33.66 | 9 | BB Min | A: 31.09 (+2.57s | 7.6%) | Trident Swim Club | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 678 | Michael Sandmann | 33.66 | 9 | BB Min | A: 31.09 (+2.57s | 7.6%) | McMinnville Swim Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 679 | Julius Voigt | 33.67 | 10 | BB Min | A: 31.09 (+2.58s | 7.7%) | Island Aquatics | 02/07/2026 | 2026 MAGSA A B SCY LAST CHANCE MEET | |
| 680 | Titan Otterstrom | 33.67 | 10 | BB Min | A: 31.09 (+2.58s | 7.7%) | Aquawolves Swimming | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 681 | Stuart Shillington | 33.68 | 10 | BB Min | A: 31.09 (+2.59s | 7.7%) | Team Eugene Aquatics | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 682 | Edwin Li-Downs | 33.68 | 10 | BB Min | A: 31.09 (+2.59s | 7.7%) | Wasc | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 683 | Marek Martini | 33.69 | 9 | BB Min | A: 31.09 (+2.60s | 7.7%) | Blue Dragons Swim Team | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 684 | Tucker McCullough | 33.70 | 8 | BB Min | A: 31.09 (+2.61s | 7.7%) | Team Rebel Aquatics | 12/08/2023 | 2023 CA RAA SCS WAG | |
| 685 | Liam Lawson | 33.72 | 10 | BB Min | A: 31.09 (+2.63s | 7.8%) | Lake Oswego Swim Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 686 | Gavin Johnston | 33.72 | 9 | BB Min | A: 31.09 (+2.63s | 7.8%) | Manta Ray Aquatics | 01/31/2026 | 2026 SI HSA All Ages NTS Meet | |
| 687 | Haoran Cong | 33.72 | 10 | BB Min | A: 31.09 (+2.63s | 7.8%) | Bellevue Club Swim Team | 10/18/2025 | 2025 PN VAST Fall Classic | |
| 688 | Ryan Ferguson | 33.72 | 9 | BB Min | A: 31.09 (+2.63s | 7.8%) | Santa Clara Swim Club | 02/28/2026 | Swim South Bay | |
| 689 | Holden Ling | 33.72 | 10 | BB Min | A: 31.09 (+2.63s | 7.8%) | The Olympic Club | 01/31/2026 | 2026 Peggy Ramirez Memorial Z3 Winter Champs | |
| 690 | Andrew Xie | 33.74 | 10 | BB Min | A: 31.09 (+2.65s | 7.9%) | Tualatin Hills Swim Club | 10/10/2025 | 2025 October FNT | |
| 691 | Henry Wolffe | 33.74 | 10 | BB Min | A: 31.09 (+2.65s | 7.9%) | Bainbridge Island Swim Club | 02/27/2026 | 2026 PN February AGI, Division 2 Approved | |
| 692 | Erik Shabdanov | 33.74 | 8 | BB Min | A: 31.09 (+2.65s | 7.9%) | Sunnyvale Swim Club | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 693 | Kellan Naisbitt | 33.75 | 9 | BB Min | A: 31.09 (+2.66s | 7.9%) | Mission Viejo Nadadores | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 694 | Dale Joyce | 33.75 | 10 | BB Min | A: 31.09 (+2.66s | 7.9%) | Puget Sound Swim Club | 02/27/2026 | 2026 PN February AGI, Div 3 Approved | |
| 695 | James Montes | 33.76 | 9 | B: 32.79 (+0.97s | 2.9%) | Bay Club Panthers | 01/25/2025 | Z1N SC Championship | ||
| 696 | Louis Yu | 33.76 | 8 | BB Min | A: 31.09 (+2.67s | 7.9%) | Santa Clara Swim Club | 02/28/2026 | Swim South Bay | |
| 697 | Cyrill Reppen | 33.77 | 10 | BB Min | A: 31.09 (+2.68s | 7.9%) | American Renaissance Academy | 11/15/2025 | SKA Home Meet 111525 | |
| 698 | Kevin Richard Nguyen | 33.79 | 10 | BB Min | A: 31.09 (+2.70s | 8.0%) | Seattle Metropolitan Aquatic C | 12/06/2025 | 2025 PN Fall Divisionals, Division 1 OCA | |
| 699 | Ian Susanto | 33.79 | 9 | BB Min | A: 31.09 (+2.70s | 8.0%) | Legacy Aquatics | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 700 | Michael Houle | 33.80 | 10 | BB Min | A: 31.09 (+2.71s | 8.0%) | North Medford | 02/13/2026 | 2026 OR HS 6A 7 | |
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.