Western Zone Zone Boys 10 & under - 50 Y Back
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1551 | Clyde Hanna | 47.46 | 9 | B Min | BB: 42.89 (+4.57s | 9.6%) | Lake Oswego Swim Club | 02/22/2025 | 2025 Arena Short Course 10 U Championships | |
| 1552 | Lachlan Law | 47.47 | 9 | B Min | BB: 42.89 (+4.58s | 9.6%) | Univ. of Denver Hilltoppers | 02/13/2026 | 2026 CO NJ Groundhog Invite | |
| 1553 | Elliott Poe Brown | 47.48 | 8 | B Min | BB: 42.89 (+4.59s | 9.7%) | Burlingame Aquatics | 03/07/2026 | BAC Race To AGCs | |
| 1554 | Miles Tseung | 47.50 | 10 | B Min | BB: 42.89 (+4.61s | 9.7%) | San Ramon Valley Aquatics | 03/28/2026 | Albany Armada Aquatics SC C B BB+ | |
| 1555 | Samuel Leineweber | 47.52 | 9 | B Min | BB: 42.89 (+4.63s | 9.7%) | Apex | 03/14/2026 | 2026 John Haring Memorial BC Showdown | |
| 1556 | Ico Tamayo | 47.52 | 9 | B Min | BB: 42.89 (+4.63s | 9.7%) | Cali Piranha Swim Team | 10/05/2024 | 2024 SI CAST Pentathlon 14 U | |
| 1557 | Marcus Zhu | 47.53 | 10 | B Min | BB: 42.89 (+4.64s | 9.8%) | Quicksilver Swimming | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 1558 | Hengsheen Wang | 47.53 | 8 | B Min | BB: 42.89 (+4.64s | 9.8%) | Chinook Aquatic Club | 03/28/2026 | 2026 PN Spring Showdown, Div 4 Approved | |
| 1559 | Dohjin Park | 47.53 | 9 | B Min | BB: 42.89 (+4.64s | 9.8%) | Los Gatos Swim Club | 12/05/2025 | Zone 1S Year End Age Group Champs Minus Meet | |
| 1560 | Barron Vellonen | 47.54 | 10 | B Min | BB: 42.89 (+4.65s | 9.8%) | Monterey Bay Swim Club | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 1561 | Luke Song | 47.55 | 10 | B Min | BB: 42.89 (+4.66s | 9.8%) | Tri-city Channel Cats | 12/07/2024 | 2024 IE VS Christmas Open | |
| 1562 | Max Moesker | 47.56 | 10 | B Min | BB: 42.89 (+4.67s | 9.8%) | VillaSport Swim Team | 10/11/2024 | PACK Pretty In Pink Invitational Meet 2024 | |
| 1563 | Michael Sohn | 47.56 | 10 | B Min | BB: 42.89 (+4.67s | 9.8%) | Front Range Barracudas | 02/14/2026 | 2026 CO NCS 10 U Winter Spectacular | |
| 1564 | Theodore Craig | 47.56 | 9 | B Min | BB: 42.89 (+4.67s | 9.8%) | Bellingham Bay Swim Team | 03/06/2026 | 2026 BBST Seize The Day Invitational | |
| 1565 | Charles Fikhman | 47.57 | 9 | B Min | BB: 42.89 (+4.68s | 9.8%) | Pacific Swim | 10/11/2025 | 2025 SI HSA All Ages B C | |
| 1566 | Calder Pettersen | 47.57 | 8 | B Min | BB: 42.89 (+4.68s | 9.8%) | Cascade Swim Club | 10/12/2024 | 2024 PN CSC Fall Classic Invitational | |
| 1567 | Santiago Westbury | 47.57 | 10 | B Min | BB: 42.89 (+4.68s | 9.8%) | Piedmont Swim Team | 03/28/2026 | Piedmont Swim Team C B BB+ | |
| 1568 | Miles Vuong | 47.58 | 10 | B Min | BB: 42.89 (+4.69s | 9.9%) | SOL Swim Team | 11/08/2025 | 2025 SI SDSA All Ages NTS Meet | |
| 1569 | John Knudsen | 47.58 | 10 | B Min | BB: 42.89 (+4.69s | 9.9%) | Puget Sound Swim Club | 01/31/2026 | 2026 PN BISC Bluefin Invitational | |
| 1570 | Kirk Li | 47.58 | 8 | B Min | BB: 42.89 (+4.69s | 9.9%) | Pacific Dragons Swim Team | 01/24/2026 | 2026 PN PDST Winter Invitational Meet Approv | |
| 1571 | Ryan Li | 47.59 | 9 | B Min | BB: 42.89 (+4.70s | 9.9%) | Seattle Metropolitan Aquatic C | 02/27/2026 | 2026 PN February AGI, Div 1 Approved | |
| 1572 | Justin Saucedo | 47.60 | 10 | B Min | BB: 42.89 (+4.71s | 9.9%) | Tigard Tualatin Swim Club | 12/20/2024 | 2024 TTSC Holiday Invitational | |
| 1573 | Sam Zhang | 47.60 | 8 | B Min | BB: 42.89 (+4.71s | 9.9%) | Otter Swim Club | 03/28/2026 | LAMV C B A+ Meet | |
| 1574 | Wyatt Hellickson | 47.60 | 10 | B Min | BB: 42.89 (+4.71s | 9.9%) | Life Time Oregon Swim Team | 03/14/2026 | 2026 John Haring Memorial BC Showdown | |
| 1575 | Zhile Li | 47.61 | 10 | B Min | BB: 42.89 (+4.72s | 9.9%) | Wave Aquatics | 03/28/2026 | 2026 PN Spring Showdown, Div 4 Approved | |
| 1576 | Aryash Suri | 47.63 | 8 | B Min | BB: 42.89 (+4.74s | 10.0%) | Seattle Metropolitan Aquatic C | 03/28/2026 | 2026 PN Spring Showdown, Div 2 Approved | |
| 1577 | Ian Campbell | 47.63 | 10 | B Min | BB: 42.89 (+4.74s | 10.0%) | Sandpipers of Nevada | 07/11/2025 | July 2025 Rock The Blocks | |
| 1578 | Daschel Trowbridge | 47.63 | 10 | B Min | BB: 42.89 (+4.74s | 10.0%) | Roseburg Y Swim Team | 10/18/2025 | 2025 Tri Y | |
| 1579 | Adam Alkhayru | 47.65 | 9 | B Min | BB: 42.89 (+4.76s | 10.0%) | Reno Aquatic Club | 01/16/2026 | 2026 Blizzard Blast Swim Meet | |
| 1580 | Carson Kocher | 47.65 | 8 | B Min | BB: 42.89 (+4.76s | 10.0%) | SlipStream Aquatics | 02/13/2026 | 2026 CO NJ Groundhog Invite | |
| 1581 | Allan Fox | 47.65 | 10 | B Min | BB: 42.89 (+4.76s | 10.0%) | Hillsboro Swim Team | 02/07/2026 | 2026 OR HEAT BC Blastoff | |
| 1582 | Asher Manning | 47.66 | 8 | B Min | BB: 42.89 (+4.77s | 10.0%) | Aces Swim Club | 01/23/2026 | 2026 CO TOPS Colorado Open | |
| 1583 | Nash Buchanan | 47.66 | 10 | B Min | BB: 42.89 (+4.77s | 10.0%) | Salida Cyclones | 07/25/2025 | 2025 CO SECAL Championships | |
| 1584 | Beckham Allen | 47.67 | 9 | B Min | BB: 42.89 (+4.78s | 10.0%) | Pikes Peak Athletics | 12/12/2025 | 2025 CO FAST Bill Spahn Mid Season Finale | |
| 1585 | Rishen Tayal | 47.67 | 9 | B Min | BB: 42.89 (+4.78s | 10.0%) | Wave Aquatics | 03/28/2026 | 2026 PN Spring Showdown, Div 4 Approved | |
| 1586 | Ethan Wang | 47.67 | 10 | B Min | BB: 42.89 (+4.78s | 10.0%) | Machine Aquatics | 02/20/2026 | 2026 Machine Qualifier | |
| 1587 | Parker Allen | 47.67 | 10 | B Min | BB: 42.89 (+4.78s | 10.0%) | Wasatch Swim Club | 11/01/2025 | Race Swami Dia De Los Muertos Classic 2025 | |
| 1588 | Keegan Hardy | 47.68 | 8 | B Min | BB: 42.89 (+4.79s | 10.0%) | VillaSport Swim Team | 01/18/2025 | 2025 LSST January Frosty Meet | |
| 1589 | Preston Bao | 47.68 | 10 | B Min | BB: 42.89 (+4.79s | 10.0%) | Rancho San Dieguito | 12/04/2025 | 2025 Holiday Swim Festival | |
| 1590 | Theo Mello | 47.68 | 7 | B Min | BB: 42.89 (+4.79s | 10.0%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 1591 | Decker Sewell | 47.68 | 10 | B Min | BB: 42.89 (+4.79s | 10.0%) | Ski Hi Aquatics | 06/13/2025 | 2025 CO Gunnison Invitational | |
| 1592 | Kunal Agarwal | 47.69 | 10 | B Min | BB: 42.89 (+4.80s | 10.1%) | California Dolphins Swim Team | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 1593 | Graham McGuire | 47.71 | 10 | B Min | BB: 42.89 (+4.82s | 10.1%) | Evergreen Hurricanes | 02/01/2025 | 2025 CO EVER Anthony Boettcher Memorial | |
| 1594 | Colin Hunger | 47.72 | 9 | B Min | BB: 42.89 (+4.83s | 10.1%) | Piranha Swimming | 12/13/2025 | SDAT Winter Pentathlon | |
| 1595 | Conner Yang | 47.72 | 10 | B Min | BB: 42.89 (+4.83s | 10.1%) | The Dolphins Portland Swimming | 01/11/2025 | 2025 HRVST Winter Invitational | |
| 1596 | Andrew Hitt | 47.73 | 10 | B Min | BB: 42.89 (+4.84s | 10.1%) | Life Time Oregon Swim Team | 02/07/2026 | 2026 OR HEAT BC Blastoff | |
| 1597 | Luca Platko | 47.74 | 10 | B Min | BB: 42.89 (+4.85s | 10.2%) | Inland Coastal Aquatic Club | 04/12/2025 | 2025 SBA BC Meet | |
| 1598 | Marlon Chinchilla | 47.77 | 9 | B Min | BB: 42.89 (+4.88s | 10.2%) | Piranha Swimming | 02/28/2026 | VJO Rep The Bay C B A+ 2026 Copied | |
| 1599 | David Tan | 47.77 | 9 | B Min | BB: 42.89 (+4.88s | 10.2%) | Pacifica Sea Lions | 12/06/2025 | DCD Winter Holiday Splash CBA+ | |
| 1600 | Bodhi Barefoot | 47.79 | 10 | B Min | BB: 42.89 (+4.90s | 10.3%) | Mendocino Coast Sea Dragons | 11/22/2025 | Thankswimming Classic 2025 | |
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.