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 | Oliver Song Zhang | 33.15 | 10 | BB Min | A: 31.09 (+2.06s | 6.2%) | West Coast Aquatics | 02/27/2026 | 2026 PN February AGI, Div 3 Approved | |
| 452 | 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 | |
| 453 | 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 | |
| 454 | Danylo Marshchivskyi | 33.17 | 8 | BB Min | A: 31.09 (+2.08s | 6.3%) | Blast Sharks | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 455 | 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 | |
| 456 | 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 | |
| 457 | Stuart Shillington | 33.19 | 10 | BB Min | A: 31.09 (+2.10s | 6.3%) | Team Eugene Aquatics | 03/14/2026 | 2026 TEAM Shootout | |
| 458 | 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 | |
| 459 | 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 | |
| 460 | 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 | |
| 461 | 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 | |
| 462 | 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 | |
| 463 | 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 | |
| 464 | Benjamin Robinson | 33.26 | 10 | BB Min | A: 31.09 (+2.17s | 6.5%) | Neptune Swimming | 07/25/2026 | 2026 REAL Championships | |
| 465 | 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 | |
| 466 | 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 | |
| 467 | Arick Yuan | 33.29 | 10 | BB Min | A: 31.09 (+2.20s | 6.6%) | Santa Clara Swim Club | 07/25/2026 | 2026 DACA SC CBA Meet | |
| 468 | 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 | |
| 469 | 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 | |
| 470 | Andres Velazquez | 33.30 | 9 | BB Min | A: 31.09 (+2.21s | 6.6%) | Pro Swimming | 05/30/2026 | 2026 PN Pro Summer Pentathlon Approved | |
| 471 | Westley Berman | 33.31 | 10 | BB Min | A: 31.09 (+2.22s | 6.7%) | Palo Alto Stanford Aquatics | 07/26/2026 | 2026 PASA Summer Palooza | |
| 472 | 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 | |
| 473 | 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 | |
| 474 | Ryan Ferguson | 33.33 | 10 | BB Min | A: 31.09 (+2.24s | 6.7%) | Santa Clara Swim Club | 03/28/2026 | Swim South Bay | |
| 475 | Nash Meredith | 33.34 | 10 | BB Min | A: 31.09 (+2.25s | 6.7%) | Pacifica Sea Lions | 03/28/2026 | PSL March CBA+ | |
| 476 | 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 | |
| 477 | Marcus Jensen | 33.37 | 10 | BB Min | A: 31.09 (+2.28s | 6.8%) | Voltage Aquatics | 12/06/2025 | Reindeer Games 2025 | |
| 478 | 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 | |
| 479 | 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 | |
| 480 | 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 | |
| 481 | Hayden Baltazar | 33.42 | 5 | BB Min | A: 31.09 (+2.33s | 7.0%) | Livermore AquaCowboys | 09/27/2025 | PC LAC C B BB | |
| 482 | Blake Sellers | 33.42 | 10 | BB Min | A: 31.09 (+2.33s | 7.0%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 483 | Luke Chaikriangkrai | 33.43 | 9 | BB Min | A: 31.09 (+2.34s | 7.0%) | Pro Swimming | 05/30/2026 | 2026 PN Pro Summer Pentathlon Approved | |
| 484 | Henry Kyles | 33.43 | 10 | BB Min | A: 31.09 (+2.34s | 7.0%) | Bellingham Bay Swim Team | 07/11/2026 | 2026 BBST Final Summer Splash Invite Approved | |
| 485 | Anthony Houser | 33.44 | 9 | BB Min | A: 31.09 (+2.35s | 7.0%) | Wind N Sea Swim Team | 07/10/2026 | 2026 SI JBST All Ages Last Chance Meet | |
| 486 | 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 | |
| 487 | 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 | |
| 488 | 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 | |
| 489 | 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 | |
| 490 | 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 | |
| 491 | 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 | |
| 492 | Cyrus Yang | 33.46 | 10 | BB Min | A: 31.09 (+2.37s | 7.1%) | Quicksilver Swimming | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 493 | 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 | |
| 494 | Andrei Talalay | 33.47 | 9 | BB Min | A: 31.09 (+2.38s | 7.1%) | Tualatin Hills Swim Club | 05/16/2026 | 2026 John DeRoest Sextathlon Swim Meet | |
| 495 | 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 | |
| 496 | 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 | |
| 497 | Mario Aoki | 33.48 | 9 | BB Min | A: 31.09 (+2.39s | 7.1%) | Falfins Swimming | 01/23/2026 | 2026 CO FAST Winter Open | |
| 498 | Jay Kowren | 33.50 | 10 | BB Min | A: 31.09 (+2.41s | 7.2%) | Bainbridge Island Swim Club | 06/19/2026 | 2026 PN SRST Summer Invitational Approved | |
| 499 | 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 | |
| 500 | Terence Wu | 33.50 | 9 | BB Min | A: 31.09 (+2.41s | 7.2%) | Bellevue Club Swim Team | 06/19/2026 | 2026 PN SRST Summer Invitational Approved | |
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.