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 | |
|---|---|---|---|---|---|---|---|---|---|
| 451 | Ryden Ciammaichella | 33.00 | 9 | BB Min | A: 31.09 (+1.91s | 5.8%) | Piedmont Swim Team | 07/10/2026 | Redwood Empire Swim League Championship | |
| 452 | Archer Odom | 33.01 | 7 | BB Min | A: 31.09 (+1.92s | 5.8%) | Greenwood Tiger Sharks | 02/08/2026 | 2026 CO Falfins Short Course Series #4 | |
| 453 | Christopher Roeder | 33.06 | 10 | BB Min | A: 31.09 (+1.97s | 6.0%) | Aspen Swim Club | 05/16/2026 | 2026 CO Sopris FAST Challenge | |
| 454 | Guo-shiun Gau | 33.06 | 10 | BB Min | A: 31.09 (+1.97s | 6.0%) | Seattle Metropolitan Aquatic C | 01/31/2026 | 2026 PN KING Beast IMX IMR Invitational Appr | |
| 455 | Castle Cline | 33.07 | 10 | BB Min | A: 31.09 (+1.98s | 6.0%) | Seattle Metropolitan Aquatic C | 01/31/2026 | 2026 PN KING Beast IMX IMR Invitational Appr | |
| 456 | Wesley Lang | 33.10 | 9 | BB Min | A: 31.09 (+2.01s | 6.1%) | River Road Swim Team | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 457 | Aden Sun | 33.11 | 10 | BB Min | A: 31.09 (+2.02s | 6.1%) | Burlingame Aquatics | 03/07/2026 | BAC Race To AGCs | |
| 458 | Wesley Clemens | 33.11 | 10 | BB Min | A: 31.09 (+2.02s | 6.1%) | Bay Club Aquatics | 03/06/2026 | 2026 SI 14U AGE GRP CHAMPIONSHIPS | |
| 459 | Clayton Williams | 33.12 | 10 | BB Min | A: 31.09 (+2.03s | 6.1%) | Redding Swim Club | 11/22/2025 | Thankswimming Classic 2025 | |
| 460 | James Milchteim | 33.12 | 9 | BB Min | A: 31.09 (+2.03s | 6.1%) | Bay Club Aquatics | 03/06/2026 | 2026 SI 14U AGE GRP CHAMPIONSHIPS | |
| 461 | Joon Cha | 33.13 | 9 | BB Min | A: 31.09 (+2.04s | 6.2%) | Sunnyvale Swim Club | 03/28/2026 | LAMV C B A+ Meet | |
| 462 | Joshua Lung | 33.13 | 10 | BB Min | A: 31.09 (+2.04s | 6.2%) | Unattached | 11/22/2025 | 2025 Dr Dowain Wright Memorial ABC | |
| 463 | Micah Adams | 33.14 | 10 | BB Min | A: 31.09 (+2.05s | 6.2%) | Hood River Valley Swim Team | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 464 | Oliver Song Zhang | 33.15 | 10 | BB Min | A: 31.09 (+2.06s | 6.2%) | West Coast Aquatics | 02/27/2026 | 2026 PN Feb Age Group Invite,Div 3 Approved | |
| 465 | Aiden Kiatrungrit | 33.15 | 10 | BB Min | A: 31.09 (+2.06s | 6.2%) | South San Francisco Aquatics | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 466 | Gabriel Whitford | 33.15 | 10 | BB Min | A: 31.09 (+2.06s | 6.2%) | Chugiak Aquatics Club | 03/19/2026 | 2026 Northwest Region AG Champs Approved | |
| 467 | Danylo Marshchivskyi | 33.17 | 8 | BB Min | A: 31.09 (+2.08s | 6.3%) | Blast Sharks | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 468 | Lincoln Kelly | 33.18 | 10 | BB Min | A: 31.09 (+2.09s | 6.3%) | Excel Aquatics | 02/27/2026 | 2026 SE Southeastern Winter SC Championships | |
| 469 | Brendon Kim | 33.19 | 10 | BB Min | A: 31.09 (+2.10s | 6.3%) | H2o Swim Team | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 470 | Stuart Shillington | 33.19 | 10 | BB Min | A: 31.09 (+2.10s | 6.3%) | Team Eugene Aquatics | 03/14/2026 | 2026 TEAM Shootout | |
| 471 | Charles Tan | 33.20 | 10 | BB Min | A: 31.09 (+2.11s | 6.4%) | Eastside Aquatic Swim Team | 06/19/2026 | 2026 PN SRST Summer Invitational Approved | |
| 472 | Derek Folk | 33.21 | 9 | BB Min | A: 31.09 (+2.12s | 6.4%) | Excel Aquatics | 12/05/2025 | 2025 Beaman Toyota Meet Of Champs | |
| 473 | Owen Matarazzo | 33.21 | 10 | BB Min | A: 31.09 (+2.12s | 6.4%) | The Spartans of La Canada | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 474 | Lowen Kiss | 33.23 | 10 | BB Min | A: 31.09 (+2.14s | 6.4%) | Central Catholic High School | 02/15/2025 | 2025 OR HS 6a 4 | |
| 475 | Patrick Deegan | 33.24 | 10 | BB Min | A: 31.09 (+2.15s | 6.5%) | Clovis Swim Club | 11/22/2025 | 2025 Dr Dowain Wright Memorial ABC | |
| 476 | Rylan Brill | 33.25 | 10 | BB Min | A: 31.09 (+2.16s | 6.5%) | CAC Stingrays Swim Team | 03/06/2026 | 2026 CO 14 U Silver State | |
| 477 | Maochen Tan | 33.25 | 10 | BB Min | A: 31.09 (+2.16s | 6.5%) | Mission Viejo Nadadores | 02/13/2026 | 2026 MVN Lunar AAPI Festival | |
| 478 | Kurt Ramos | 33.26 | 10 | BB Min | A: 31.09 (+2.17s | 6.5%) | Vacaville Swim Club | 11/15/2025 | NVST Swimming Into Fall 2025 | |
| 479 | Henry Fredericks | 33.26 | 9 | BB Min | A: 31.09 (+2.17s | 6.5%) | COSA Swimming | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 480 | Mason Suniega | 33.27 | 10 | BB Min | A: 31.09 (+2.18s | 6.6%) | Unattached | 02/28/2026 | VJO Rep The Bay C B A+ 2026 Copied | |
| 481 | Harvey Bollefer | 33.28 | 9 | BB Min | A: 31.09 (+2.19s | 6.6%) | Aces Swim Club | 03/06/2026 | 2026 CO 14 U Silver State | |
| 482 | Vincent Kaldau | 33.28 | 10 | BB Min | A: 31.09 (+2.19s | 6.6%) | VillaSport Swim Team | 02/21/2025 | 2025 Gulf 12 Under Champs (TASC) | |
| 483 | Lincoln Miyake | 33.29 | 10 | BB Min | A: 31.09 (+2.20s | 6.6%) | Canyons Aquatic Club | 12/06/2025 | 2025 CA CANY Candy Cane | |
| 484 | Bennett Arguello | 33.30 | 9 | BB Min | A: 31.09 (+2.21s | 6.6%) | Greenwood Tiger Sharks | 03/07/2025 | 2025 CO CSI Silver State Championships | |
| 485 | Logan Snodgrass | 33.32 | 10 | BB Min | A: 31.09 (+2.23s | 6.7%) | Denver Swim Academy | 02/14/2026 | 2026 CO ACES Winter Open | |
| 486 | Mason Howe | 33.32 | 10 | BB Min | A: 31.09 (+2.23s | 6.7%) | Seattle Metropolitan Aquatic C | 12/06/2025 | 2025 PN Fall Divisionals, Division 1 OCA | |
| 487 | Ryan Ferguson | 33.33 | 9 | BB Min | A: 31.09 (+2.24s | 6.7%) | Santa Clara Swim Club | 03/28/2026 | Swim South Bay | |
| 488 | Nash Meredith | 33.34 | 10 | BB Min | A: 31.09 (+2.25s | 6.7%) | Pacifica Sea Lions | 03/28/2026 | PSL March CBA+ | |
| 489 | Jeffrey Crouse | 33.36 | 10 | BB Min | A: 31.09 (+2.27s | 6.8%) | Livermore AquaCowboys | 11/08/2025 | Brentwood Seawolves SCY C B BB+ | |
| 490 | Locke Kane | 33.36 | 9 | BB Min | A: 31.09 (+2.27s | 6.8%) | Lahaina Swim Club | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 491 | Marcus Jensen | 33.37 | 10 | BB Min | A: 31.09 (+2.28s | 6.8%) | Voltage Aquatics | 12/06/2025 | Reindeer Games 2025 | |
| 492 | Demian Jarmy | 33.37 | 10 | BB Min | A: 31.09 (+2.28s | 6.8%) | Pleasanton Seahawks | 11/15/2025 | Alto Nov 15 16 Fall Frolic | |
| 493 | Owen Tan | 33.38 | 9 | BB Min | A: 31.09 (+2.29s | 6.9%) | Hawaii Swimming Club | 04/18/2026 | 44th Annual Harry Mamizuka Invitational | |
| 494 | Josiah Suprato | 33.39 | 10 | BB Min | A: 31.09 (+2.30s | 6.9%) | Wave Aquatics | 03/19/2026 | 2026 NW Region Age Group Champs Approved | |
| 495 | Ezio Ubaldi | 33.39 | 10 | BB Min | A: 31.09 (+2.30s | 6.9%) | Beach Cities Alpha | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 496 | Declan Sederholm | 33.42 | 10 | BB Min | A: 31.09 (+2.33s | 7.0%) | Hilltop Aquatic Swim Team | 10/15/2025 | 2025 UT HAST Monster Mash Meet | |
| 497 | Hayden Baltazar | 33.42 | 5 | BB Min | A: 31.09 (+2.33s | 7.0%) | Livermore AquaCowboys | 09/27/2025 | PC LAC C B BB | |
| 498 | Blake Sellers | 33.42 | 10 | BB Min | A: 31.09 (+2.33s | 7.0%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 499 | Watson She | 33.44 | 10 | BB Min | A: 31.09 (+2.35s | 7.0%) | Bellevue Club Swim Team | 03/06/2026 | 2026 BBST Seize The Day Invitational | |
| 500 | 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 | |
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.