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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1601 | Will Casley | 47.68 | 10 | B Min | BB: 42.89 (+4.79s | 10.0%) | Sebastopol Sea Serpents | 10/11/2025 | VJO Sprint For The Golden Ticket CBA+ 2025 | |
| 1602 | Keegan Hardy | 47.68 | 7 | B Min | BB: 42.89 (+4.79s | 10.0%) | VillaSport Swim Team | 01/18/2025 | 2025 LSST January Frosty Meet | |
| 1603 | Kaan Tufan | 47.68 | 8 | B Min | BB: 42.89 (+4.79s | 10.0%) | Santa Clara Swim Club | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 1604 | Preston Bao | 47.68 | 9 | B Min | BB: 42.89 (+4.79s | 10.0%) | Rancho San Dieguito | 12/04/2025 | 2025 Holiday Swim Festival | |
| 1605 | James McKeown | 47.68 | 6 | B Min | BB: 42.89 (+4.79s | 10.0%) | Cache Valley Marlins | 05/14/2022 | 2022 UT CVM May Meet | |
| 1606 | Theo Mello | 47.68 | 7 | B Min | BB: 42.89 (+4.79s | 10.0%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 1607 | Decker Sewell | 47.68 | 9 | B Min | BB: 42.89 (+4.79s | 10.0%) | Ski Hi Aquatics | 06/13/2025 | 2025 CO Gunnison Invitational | |
| 1608 | Kohven Thompson | 47.69 | 8 | B Min | BB: 42.89 (+4.80s | 10.1%) | Truckee-Tahoe Swim Team | 01/12/2024 | 2024 Blizzard Blast | |
| 1609 | 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 | |
| 1610 | Aaron Lee | 47.69 | 10 | B Min | BB: 42.89 (+4.80s | 10.1%) | Alto Swim Club | 02/07/2026 | Alto Feb 7 8 CBA Valentines Day | |
| 1611 | Graham McGuire | 47.71 | 9 | B Min | BB: 42.89 (+4.82s | 10.1%) | Evergreen Hurricanes | 02/01/2025 | 2025 CO EVER Anthony Boettcher Memorial | |
| 1612 | Colin Hunger | 47.72 | 9 | B Min | BB: 42.89 (+4.83s | 10.1%) | Piranha Swimming | 12/13/2025 | SDAT Winter Pentathlon | |
| 1613 | Conner Yang | 47.72 | 9 | B Min | BB: 42.89 (+4.83s | 10.1%) | The Dolphins Portland Swimming | 01/11/2025 | 2025 HRVST Winter Invitational | |
| 1614 | Andrew Hitt | 47.73 | 9 | B Min | BB: 42.89 (+4.84s | 10.1%) | Life Time Oregon Swim Team | 02/07/2026 | 2026 OR HEAT BC Blastoff | |
| 1615 | Jacob Bao | 47.74 | 6 | B Min | BB: 42.89 (+4.85s | 10.2%) | Olympus Aquatics | 01/27/2023 | 2023 PCS Frostbite Invite | |
| 1616 | Luca Platko | 47.74 | 9 | B Min | BB: 42.89 (+4.85s | 10.2%) | Inland Coastal Aquatic Club | 04/12/2025 | 2025 SBA BC Meet | |
| 1617 | Alexander Krapp | 47.75 | 9 | B Min | BB: 42.89 (+4.86s | 10.2%) | Thurston Olympians Swim Club | 12/06/2025 | 2025 PN Fall Divisionals, Division 1 OCA | |
| 1618 | Julian Kau | 47.76 | 10 | B Min | BB: 42.89 (+4.87s | 10.2%) | Palo Alto Stanford Aquatics | 02/07/2026 | PASA CBA+ SCY Meet Feb 2026 | |
| 1619 | Eason Mei | 47.76 | 10 | B Min | BB: 42.89 (+4.87s | 10.2%) | Wave Aquatics | 12/06/2025 | 2025 PN Fall Divisionals, Division 3 WAVE | |
| 1620 | David Tan | 47.77 | 8 | B Min | BB: 42.89 (+4.88s | 10.2%) | Pacifica Sea Lions | 12/06/2025 | DCD Winter Holiday Splash CBA+ | |
| 1621 | Bodhi Barefoot | 47.79 | 10 | B Min | BB: 42.89 (+4.90s | 10.3%) | Mendocino Coast Sea Dragons | 11/22/2025 | Thankswimming Classic 2025 | |
| 1622 | Henry Huang | 47.79 | 9 | B Min | BB: 42.89 (+4.90s | 10.3%) | Daly City Dolphins | 02/07/2026 | 2026 PSL Super Finals Invitational | |
| 1623 | Marko Tamburi | 47.80 | 9 | B Min | BB: 42.89 (+4.91s | 10.3%) | Star Aquatics | 11/15/2025 | 2025 John Dewey Invitational | |
| 1624 | Cates Cunningham | 47.80 | 10 | B Min | BB: 42.89 (+4.91s | 10.3%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 1625 | Keith Barker | 47.80 | 10 | B Min | BB: 42.89 (+4.91s | 10.3%) | Aulea Swim Club | 10/25/2025 | 2025 HI 25th Annual Bill Smith Invitational | |
| 1626 | Alexander Lemire | 47.80 | 10 | B Min | BB: 42.89 (+4.91s | 10.3%) | Blue Dolphin Swim Team | 01/11/2026 | 2026 NE ORO January Meet | |
| 1627 | Derek Feng | 47.81 | 9 | B Min | BB: 42.89 (+4.92s | 10.3%) | San Ramon Valley Aquatics | 03/22/2025 | 2025 3 22 CDST SC C B BB+ Meet | |
| 1628 | Tayvin Luangphasy | 47.82 | 9 | B Min | BB: 42.89 (+4.93s | 10.3%) | Adrienne C Nelson | 02/15/2025 | 2025 OR HS 6a 4 | |
| 1629 | Grant Soder | 47.82 | 10 | B Min | BB: 42.89 (+4.93s | 10.3%) | Roseburg Y Swim Team | 01/24/2026 | Oregon YMCA Championships 2026 | |
| 1630 | Boone Day | 47.84 | 7 | B Min | BB: 42.89 (+4.95s | 10.3%) | Bend Swim Club | 02/04/2026 | 2026 Bend Swim Club Intersquad Challenger | |
| 1631 | Ruslan Kovalchuk | 47.85 | 10 | B Min | BB: 42.89 (+4.96s | 10.4%) | Jbarracudas Swim Team | 06/07/2025 | 2025 SI JBST Splash Dash Max | |
| 1632 | Mason Strand | 47.85 | 10 | B Min | BB: 42.89 (+4.96s | 10.4%) | Fallbrook Assoc Swim T | 08/16/2025 | 2025 SI FAST RISING STARS 3 | |
| 1633 | Ryan Li | 47.86 | 8 | B Min | BB: 42.89 (+4.97s | 10.4%) | Seattle Metropolitan Aquatic C | 10/04/2025 | 2025 PN SMAC Fall Kick Off Invitational | |
| 1634 | Callahan Ford | 47.86 | 8 | B Min | BB: 42.89 (+4.97s | 10.4%) | Evergreen Hurricanes | 01/31/2026 | 2026 CO Anthony Boettcher Nate Rothman Memori | |
| 1635 | Kai Miller | 47.86 | 8 | B Min | BB: 42.89 (+4.97s | 10.4%) | Boulder City Henderson Swim Te | 11/08/2024 | 2024 NV State Championships | |
| 1636 | Sam Maliekal | 47.87 | 10 | B Min | BB: 42.89 (+4.98s | 10.4%) | Issaquah Swim Team | 12/06/2025 | 2025 PN Fall Divisionals, Division 2 | |
| 1637 | Nickoli Stachlowski | 47.88 | 9 | B Min | BB: 42.89 (+4.99s | 10.4%) | Hillsboro Swim Team | 01/16/2026 | 2026 THSC 14 U Winter Showcase | |
| 1638 | River Wilkinson | 47.91 | 9 | B Min | BB: 42.89 (+5.02s | 10.5%) | North Coast Aquatics | 01/31/2026 | 2026 SI HSA All Ages NTS Meet | |
| 1639 | Ben Simon | 47.92 | 9 | B Min | BB: 42.89 (+5.03s | 10.5%) | North Coast Aquatics | 11/02/2024 | 2024 SI JBST BC All Ages | |
| 1640 | Chase Clark | 47.94 | 9 | B Min | BB: 42.89 (+5.05s | 10.5%) | Issaquah Swim Team | 11/15/2025 | 2025 PN IST November Invitational | |
| 1641 | Griffin Arroyo | 47.94 | 8 | B Min | BB: 42.89 (+5.05s | 10.5%) | Walnut Creek Aquabears | 10/18/2025 | PC SRVA SCY B BB+ Meet | |
| 1642 | Mason Park | 47.94 | 8 | B Min | BB: 42.89 (+5.05s | 10.5%) | Olympic Cascade Aquatics | 02/07/2026 | 2026 PN IST Feb Winter Invitational Approved | |
| 1643 | James Witt | 47.94 | 9 | B Min | BB: 42.89 (+5.05s | 10.5%) | Roseburg Y Swim Team | 01/10/2026 | 2026 SCAT B C Open | |
| 1644 | Carter Vizcarra | 47.95 | 8 | B Min | BB: 42.89 (+5.06s | 10.6%) | Neptune Swimming | 09/27/2024 | Neptune Swimming Fall Classic | |
| 1645 | Victor Secor | 47.96 | 8 | B Min | BB: 42.89 (+5.07s | 10.6%) | Piedmont Swim Team | 03/22/2025 | Albany Armada Aquatics SC C B BB+ | |
| 1646 | Allen Zuo | 47.97 | 8 | B Min | BB: 42.89 (+5.08s | 10.6%) | Brea Aquatics | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 1647 | Aryash Suri | 47.98 | 7 | B Min | BB: 42.89 (+5.09s | 10.6%) | Seattle Metropolitan Aquatic C | 11/22/2025 | 2025 PN Nov AGI, Division 2 (SMAC) | |
| 1648 | Ryder Snow | 47.98 | 8 | B Min | BB: 42.89 (+5.09s | 10.6%) | Apex | 12/12/2025 | 2025 OR TTSC Holiday Invitational Meet | |
| 1649 | August McFarland | 48.00 | 8 | B Min | BB: 42.89 (+5.11s | 10.6%) | Form Swim Team | 12/14/2025 | 2025 CO FORM Winter Open | |
| 1650 | Noah Oh | 48.00 | 9 | B Min | BB: 42.89 (+5.11s | 10.6%) | Cascade Swim Club | 10/04/2025 | 2025 PN Cascade Fall Classic | |
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.