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 | |
|---|---|---|---|---|---|---|---|---|---|
| 601 | Jayden Zhen | 33.44 | 10 | BB Min | A: 31.09 (+2.35s | 7.0%) | Adrienne C Nelson | 02/15/2025 | 2025 OR HS 6a 4 | |
| 602 | Adam Kao | 33.44 | 10 | BB Min | A: 31.09 (+2.35s | 7.0%) | Life Time Oregon Swim Team | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 603 | Jarvis Qu | 33.44 | 9 | BB Min | A: 31.09 (+2.35s | 7.0%) | Mission Viejo Nadadores | 12/13/2024 | 2024 CA RAA SCS WAG | |
| 604 | Ali Abolfadl | 33.45 | 9 | BB Min | A: 31.09 (+2.36s | 7.1%) | Olympic Cascade Aquatics | 01/24/2026 | 2026 PN PDST Winter Invitational Meet Approv | |
| 605 | Chase Witt | 33.45 | 10 | BB Min | A: 31.09 (+2.36s | 7.1%) | Gold\\\\\\'s Aquatics Club (Camas) | 03/19/2026 | 2026 Northwest Region AG Champs Approved | |
| 606 | Ivan Clark | 33.45 | 10 | BB Min | A: 31.09 (+2.36s | 7.1%) | Roseburg High School | 02/14/2025 | 2025 OR HS 6A 7 | |
| 607 | Cyrus Yang | 33.46 | 10 | BB Min | A: 31.09 (+2.37s | 7.1%) | Quicksilver Swimming | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 608 | Skyler Houck | 33.46 | 9 | BB Min | A: 31.09 (+2.37s | 7.1%) | King Aquatic Club | 01/31/2026 | 2026 PN KING Beast IMX IMR Invitational Appr | |
| 609 | Rhys Beyeler-Evans | 33.47 | 10 | BB Min | A: 31.09 (+2.38s | 7.1%) | Piedmont Swim Team | 03/28/2026 | Piedmont Swim Team C B BB+ | |
| 610 | Adelynn Spurlin | 33.47 | 10 | BB Min | A: 31.09 (+2.38s | 7.1%) | North Jeffco Swim Team | 02/13/2026 | 2026 CO NJ Groundhog Invite | |
| 611 | Lucas Shan | 33.48 | 10 | BB Min | A: 31.09 (+2.39s | 7.1%) | Legacy Aquatics | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 612 | Mario Aoki | 33.48 | 9 | BB Min | A: 31.09 (+2.39s | 7.1%) | Falfins Swimming | 01/23/2026 | 2026 CO FAST Winter Open | |
| 613 | 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 | |
| 614 | Oliver Pearce | 33.50 | 10 | BB Min | A: 31.09 (+2.41s | 7.2%) | Aces Swim Club | 02/14/2026 | 2026 CO ACES Winter Open | |
| 615 | Owen Tan | 33.50 | 9 | BB Min | A: 31.09 (+2.41s | 7.2%) | Hawaii Swimming Club | 10/25/2025 | 2025 HI 25th Annual Bill Smith Invitational | |
| 616 | 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 | |
| 617 | 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 | |
| 618 | 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 | |
| 619 | Gabriel Goldman-Mohl | 33.52 | 10 | BB Min | A: 31.09 (+2.43s | 7.2%) | Dart Swimming | 11/08/2025 | Folsom Classic 2025 | |
| 620 | 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 | |
| 621 | 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 | |
| 622 | 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 | |
| 623 | 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 | |
| 624 | 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 | |
| 625 | 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 | |
| 626 | Orion Blue-Smith | 33.60 | 10 | BB Min | A: 31.09 (+2.51s | 7.5%) | Palo Alto Stanford Aquatics | 01/24/2026 | 2026 Zone 1 North Championships | |
| 627 | 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 | |
| 628 | Samuel Siegrist | 33.61 | 10 | BB Min | A: 31.09 (+2.52s | 7.5%) | North Medford | 02/14/2025 | 2025 OR HS 6A 7 | |
| 629 | 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 | |
| 630 | Jercey Zhao | 33.63 | 10 | BB Min | A: 31.09 (+2.54s | 7.6%) | Unattached | 01/31/2026 | 2026 PN BISC Bluefin Invitational | |
| 631 | 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 | |
| 632 | Eli Lawson | 33.64 | 9 | BB Min | A: 31.09 (+2.55s | 7.6%) | Dolphin Aquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 633 | 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 | |
| 634 | 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 | |
| 635 | 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 | |
| 636 | Daniel Nagaoka | 33.67 | 10 | BB Min | A: 31.09 (+2.58s | 7.7%) | Quicksilver Swimming | 03/20/2026 | SCY Spring Age Group Championships | |
| 637 | 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 | |
| 638 | 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 | |
| 639 | Kenneth Zhang | 33.68 | 8 | BB Min | A: 31.09 (+2.59s | 7.7%) | Santa Clara Swim Club | 03/28/2026 | Swim South Bay | |
| 640 | Edwin Li-Downs | 33.68 | 10 | BB Min | A: 31.09 (+2.59s | 7.7%) | Wasc | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 641 | 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 | |
| 642 | Tucker McCullough | 33.70 | 10 | BB Min | A: 31.09 (+2.61s | 7.7%) | Team Rebel Aquatics | 12/08/2023 | 2023 CA RAA SCS WAG | |
| 643 | 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 | |
| 644 | 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 | |
| 645 | 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 | |
| 646 | 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 | |
| 647 | 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 | |
| 648 | Andrew Xie | 33.74 | 10 | BB Min | A: 31.09 (+2.65s | 7.9%) | Tualatin Hills Swim Club | 10/10/2025 | 2025 October FNT | |
| 649 | 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 | |
| 650 | Louis Yu | 33.76 | 8 | BB Min | A: 31.09 (+2.67s | 7.9%) | Santa Clara Swim Club | 02/28/2026 | Swim South Bay | |
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.