Western Zone Zone Boys 10 & under - 50 Y Breast
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1501 | AJ Estes | 57.11 | 9 | B: 53.39 (+3.72s | 6.5%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | ||
| 1502 | Yogi Kobylski | 57.12 | 9 | B: 53.39 (+3.73s | 6.5%) | North Coast Aquatics | 04/11/2026 | SI 2026 RSD All Ages BC Meet | ||
| 1503 | Aiden Xu | 57.13 | 9 | B: 53.39 (+3.74s | 6.5%) | Northern Nevada Aquatics | 01/16/2026 | 2026 Blizzard Blast Swim Meet | ||
| 1504 | Harrison Tanner | 57.13 | 10 | B: 53.39 (+3.74s | 6.5%) | North Coast Aquatics | 11/02/2025 | 2025 SI SEA Rising Stars Series Meet 1 | ||
| 1505 | Kanoa Kikuta | 57.13 | 9 | B: 53.39 (+3.74s | 6.5%) | Shasta YMCA Sharks | 11/21/2025 | 2025 Rogue Rapids Sofia Marks Invitational | ||
| 1506 | Jameson Wallace | 57.14 | 7 | B: 53.39 (+3.75s | 6.6%) | Napa Valley Swim Team | 01/17/2026 | PC PRNA Final Splash To The Championship CBA+ | ||
| 1507 | Darius Parineh | 57.15 | 9 | B: 53.39 (+3.76s | 6.6%) | Alto Swim Club | 11/15/2025 | Alto Nov 15 16 Fall Frolic | ||
| 1508 | Liber Liao | 57.15 | 8 | B: 53.39 (+3.76s | 6.6%) | West Coast Aquatics | 01/10/2026 | 2026 PN WEST IMX Intersquad | ||
| 1509 | Russell Keil | 57.16 | 10 | B: 53.39 (+3.77s | 6.6%) | North Bay Aquatics | 03/07/2026 | Napa Valley Swim Team Swimming Towards Spring | ||
| 1510 | Samuel Leineweber | 57.17 | 9 | B: 53.39 (+3.78s | 6.6%) | Apex | 02/15/2026 | 2026 OR CB Valentine Last Chance Invitational | ||
| 1511 | Miles Xu | 57.17 | 8 | B: 53.39 (+3.78s | 6.6%) | Northglenn Fusion Swim Club | 01/09/2026 | 2026 CO NJ Narwhal Invitational | ||
| 1512 | Cassius Bui | 57.18 | 9 | B: 53.39 (+3.79s | 6.6%) | Front Range Barracudas | 02/13/2026 | 2026 CO NJ Groundhog Invite | ||
| 1513 | Joshua Park | 57.18 | 9 | B: 53.39 (+3.79s | 6.6%) | Seattle Metropolitan Aquatic C | 03/28/2026 | 2026 PN Spring Showdown, Div 2 Approved | ||
| 1514 | Liam Larson | 57.19 | 10 | B: 53.39 (+3.80s | 6.6%) | Pacific Swim | 06/07/2025 | 2025 SI SBA Splash Dash Max Meet | ||
| 1515 | Dominic Guerrero | 57.19 | 9 | B: 53.39 (+3.80s | 6.6%) | Corvallis Aquatic Team | 08/07/2026 | 2026 OR NST Seahorse Invitational | ||
| 1516 | Dennis Liu | 57.19 | 9 | B: 53.39 (+3.80s | 6.6%) | Milpitas Aquatic Club | 09/27/2025 | 2025 MAC Season Kick Off | ||
| 1517 | George DuPont | 57.19 | 8 | B: 53.39 (+3.80s | 6.6%) | Apex | 02/21/2026 | 2026 Arena Short Course 10 U Championships | ||
| 1518 | Jayden Rozario | 57.22 | 8 | B: 53.39 (+3.83s | 6.7%) | Vacaville Swim Club | 11/15/2025 | NVST Swimming Into Fall 2025 | ||
| 1519 | Brody Mallo | 57.24 | 10 | B: 53.39 (+3.85s | 6.7%) | Monterey Bay Swim Club | 11/15/2024 | MBSC GSMY Z1S Race To AGC C B A+ | ||
| 1520 | Finn Rodrigues | 57.26 | 9 | B: 53.39 (+3.87s | 6.8%) | Rainbow Aquatics | 01/18/2026 | January A+ Meet | ||
| 1521 | Carter Milroy | 57.26 | 10 | B: 53.39 (+3.87s | 6.8%) | Foothills Swim Team | 02/14/2025 | 2025 CO LOVE Last Chance Sweetheart | ||
| 1522 | Samuel Vito | 57.27 | 9 | B: 53.39 (+3.88s | 6.8%) | Durango Swim Club | 04/17/2026 | 2026 CO Jolean Scott Memorial | ||
| 1523 | Teddy Daines | 57.28 | 10 | B: 53.39 (+3.89s | 6.8%) | Olympus Aquatics | 10/30/2025 | 2025 OA IMR 1 | ||
| 1524 | Dalton Bleck | 57.30 | 10 | B: 53.39 (+3.91s | 6.8%) | Monterey Bay Swim Club | 07/24/2026 | CVAL 2026 | ||
| 1525 | Naitian Yao | 57.31 | 10 | B: 53.39 (+3.92s | 6.8%) | Alto Swim Club | 03/29/2025 | Alto Rock The Blocks Invitational | ||
| 1526 | Xander Exevea | 57.31 | 10 | B: 53.39 (+3.92s | 6.8%) | South Bay Aquatics | 02/21/2026 | 2026 SI MRA Age Group Champs Max Meet | ||
| 1527 | Logan Pho | 57.32 | 8 | B: 53.39 (+3.93s | 6.9%) | South San Francisco Aquatics | 12/06/2025 | DCD Winter Holiday Splash CBA+ | ||
| 1528 | James Zanutto | 57.38 | 8 | B: 53.39 (+3.99s | 7.0%) | Burlingame Aquatics | 03/07/2026 | BAC Race To AGCs | ||
| 1529 | Mason Lu | 57.39 | 9 | B: 53.39 (+4.00s | 7.0%) | Quicksilver Swimming | 10/11/2025 | QSS Santa Cruz Competenicia C B A+ | ||
| 1530 | Leo Tsui | 57.39 | 9 | B: 53.39 (+4.00s | 7.0%) | Burlingame Aquatics | 03/07/2026 | BAC Race To AGCs | ||
| 1531 | Andrei Sanchez | 57.40 | 10 | B: 53.39 (+4.01s | 7.0%) | Island Aquatics | 11/01/2025 | 2025 MAGSA B 2 SCY Meet | ||
| 1532 | Nathan Hsu | 57.44 | 10 | B: 53.39 (+4.05s | 7.1%) | DeAnza Cupertino Aquatics | 10/11/2025 | 2025 DACA SC CBA Meet | ||
| 1533 | Justin Flynn | 57.44 | 10 | B: 53.39 (+4.05s | 7.1%) | Tillamook YMCA Sharks | 08/07/2026 | 2026 OR NST Seahorse Invitational | ||
| 1534 | Jonathan Hou | 57.44 | 8 | B: 53.39 (+4.05s | 7.1%) | West Coast Aquatics | 01/10/2026 | 2026 PN WEST IMX Intersquad | ||
| 1535 | Kiaan Paidipathi | 57.44 | 9 | B: 53.39 (+4.05s | 7.1%) | Issaquah Swim Team | 04/26/2026 | 2026 PN SHAD15th Marin Morrison Memorial App | ||
| 1536 | Marcus Tsirogiannis | 57.45 | 10 | B: 53.39 (+4.06s | 7.1%) | Highland Dolphins Aquatic Club | 03/28/2026 | PSL March CBA+ | ||
| 1537 | Benjamin Foster | 57.45 | 9 | B: 53.39 (+4.06s | 7.1%) | Neptune Swimming | 09/27/2024 | Neptune Swimming Fall Classic | ||
| 1538 | Derek Feng | 57.46 | 10 | B: 53.39 (+4.07s | 7.1%) | San Ramon Valley Aquatics | 03/22/2025 | 2025 3 22 CDST SC C B BB+ Meet | ||
| 1539 | Leo Garcia | 57.47 | 8 | B: 53.39 (+4.08s | 7.1%) | Wild West Aquatic Club | 12/07/2025 | 2025 BD Del Norte #3 | ||
| 1540 | Luke Rodeheaver | 57.49 | 7 | B: 53.39 (+4.10s | 7.1%) | Seattle Metropolitan Aquatic C | 10/17/2025 | 2025 THSC Fall Open | ||
| 1541 | Benjamin Bean | 57.49 | 8 | B: 53.39 (+4.10s | 7.1%) | Tualatin Hills Swim Club | 03/14/2026 | 2026 CAT Spring Invite | ||
| 1542 | Finn Sie | 57.51 | 10 | B: 53.39 (+4.12s | 7.2%) | Wave Aquatics | 01/24/2026 | 2026 PN WAVE Winter Invitational Approved | ||
| 1543 | Mountain Wang | 57.52 | 10 | B: 53.39 (+4.13s | 7.2%) | Neptune Swimming | 04/18/2026 | RP SWIM CLUB (PRNA) SPRING SWIM FEST! | ||
| 1544 | Isaac Pearce | 57.57 | 8 | B: 53.39 (+4.18s | 7.3%) | Aces Swim Club | 02/14/2026 | 2026 CO ACES Winter Open | ||
| 1545 | Ethan Luo | 57.60 | 9 | B: 53.39 (+4.21s | 7.3%) | Renegade Aquatics | 01/31/2026 | 2026 SI HSA All Ages NTS Meet | ||
| 1546 | Miles Cupido | 57.61 | 10 | B: 53.39 (+4.22s | 7.3%) | Piedmont Swim Team | 11/02/2024 | Albany Armada C B BB+ Meet | ||
| 1547 | Evan Hu | 57.66 | 8 | B: 53.39 (+4.27s | 7.4%) | Pleasanton Seahawks | 09/27/2025 | Orinda Aquatics SC C B BB+ Meet | ||
| 1548 | Pejvak Cureton | 57.66 | 10 | B: 53.39 (+4.27s | 7.4%) | Oakland Undercurrent Swim Team | 02/28/2026 | VJO Rep The Bay C B A+ 2026 Copied | ||
| 1549 | Anthony Piazza | 57.69 | 9 | B: 53.39 (+4.30s | 7.5%) | Otter Swim Club | 02/07/2026 | Alto Feb 7 8 CBA Valentines Day | ||
| 1550 | Bentley Branch | 57.72 | 10 | B: 53.39 (+4.33s | 7.5%) | Hickam Hurricanes | 01/18/2026 | January A+ Meet | ||
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.