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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1551 | Abiel Ma | 54.37 | 10 | B: 53.39 (+0.98s | 1.8%) | Quicksilver Swimming | 10/11/2025 | QSS Santa Cruz Competenicia C B A+ | ||
| 1552 | Mithren Vijay | 54.39 | 9 | B: 53.39 (+1.00s | 1.8%) | Valley Splash | 02/07/2026 | Valley Splash Short Course C B A Meet | ||
| 1553 | Theo Maier | 54.39 | 9 | B: 53.39 (+1.00s | 1.8%) | River Road Swim Team | 03/08/2025 | 2025 Valley Coast Invitational | ||
| 1554 | Everett Crawford | 54.43 | 9 | B: 53.39 (+1.04s | 1.9%) | Bainbridge Island Swim Club | 12/06/2025 | 2025 PN Fall Divisionals, Division 1 OCA | ||
| 1555 | Jett Sampson | 54.43 | 10 | B: 53.39 (+1.04s | 1.9%) | Mount Hood Aquatics | 12/12/2025 | 2025 FGSC Christmas Invitational | ||
| 1556 | Tang Li | 54.44 | 9 | B: 53.39 (+1.05s | 1.9%) | Denver Swim Academy | 01/23/2026 | 2026 CO TOPS Colorado Open | ||
| 1557 | Ryan Ye | 54.44 | 9 | B: 53.39 (+1.05s | 1.9%) | Walnut Creek Aquabears | 07/26/2025 | Zone 2 Summer Championships | ||
| 1558 | Blake Mellers | 54.45 | 10 | B: 53.39 (+1.06s | 1.9%) | Piedmont Swim Team | 03/22/2025 | Albany Armada Aquatics SC C B BB+ | ||
| 1559 | Jack Yulo | 54.45 | 8 | B: 53.39 (+1.06s | 1.9%) | Island Aquatics | 02/07/2026 | 2026 MAGSA A B SCY LAST CHANCE MEET | ||
| 1560 | Zachary Tsang | 54.45 | 9 | B: 53.39 (+1.06s | 1.9%) | Palo Alto Stanford Aquatics | 12/20/2025 | 2025 PASA Winter Frolic Meet @ PALY HS | ||
| 1561 | Matteo Vargas | 54.46 | 10 | B: 53.39 (+1.07s | 2.0%) | Life Time Fitness Utah Swim Te | 10/04/2025 | The Timeless Classic 2025 | ||
| 1562 | BaoSheng Wang | 54.46 | 8 | B: 53.39 (+1.07s | 2.0%) | San Ramon Valley Aquatics | 11/08/2025 | Brentwood Seawolves SCY C B BB+ | ||
| 1563 | Cian Coyle | 54.48 | 9 | B: 53.39 (+1.09s | 2.0%) | COSA Swimming | 12/19/2025 | 2025 CO Falfins Holiday Open | ||
| 1564 | Charles Heffernan | 54.48 | 8 | B: 53.39 (+1.09s | 2.0%) | Legacy Aquatics | 01/16/2026 | 2026 THSC 14 U Winter Showcase | ||
| 1565 | Lucas Wang | 54.49 | 10 | B: 53.39 (+1.10s | 2.0%) | Chinook Aquatic Club | 11/09/2025 | 2025 PN C Pentathlon | ||
| 1566 | Jack McRae | 54.49 | 8 | B: 53.39 (+1.10s | 2.0%) | Univ. of Denver Hilltoppers | 02/13/2026 | 2026 CO NJ Groundhog Invite | ||
| 1567 | Henry Armstrong | 54.50 | 10 | B: 53.39 (+1.11s | 2.0%) | Northern Nevada Aquatics | 10/17/2025 | 2025 KING OF THE HILL CHALLENGE | ||
| 1568 | Liam Jones | 54.50 | 8 | B: 53.39 (+1.11s | 2.0%) | North Bay Aquatics | 11/15/2025 | NVST Swimming Into Fall 2025 | ||
| 1569 | Joonseo Park | 54.50 | 10 | B: 53.39 (+1.11s | 2.0%) | Wave Aquatics | 09/27/2025 | 2025 PN SSCD Autumn Open | ||
| 1570 | William Huang | 54.52 | 8 | B: 53.39 (+1.13s | 2.1%) | Daly City Dolphins | 12/06/2025 | DCD Winter Holiday Splash CBA+ | ||
| 1571 | James Regan | 54.52 | 9 | B: 53.39 (+1.13s | 2.1%) | Univ. of Denver Hilltoppers | 01/23/2026 | 2026 CO TOPS Colorado Open | ||
| 1572 | Samuel Bruce | 54.52 | 8 | B: 53.39 (+1.13s | 2.1%) | Palo Alto Stanford Aquatics | 12/20/2025 | 2025 PASA Winter Frolic Meet @ PALY HS | ||
| 1573 | Andersen Au | 54.55 | 10 | B: 53.39 (+1.16s | 2.1%) | DeAnza Cupertino Aquatics | 10/11/2025 | 2025 DACA SC CBA Meet | ||
| 1574 | Rees Yan | 54.56 | 10 | B: 53.39 (+1.17s | 2.1%) | Cascadia Swimming | 12/12/2025 | 2025 OR TTSC Holiday Invitational Meet | ||
| 1575 | Ulysses McIntyre | 54.56 | 10 | B: 53.39 (+1.17s | 2.1%) | Albany Armada Aquatics | 11/08/2025 | Albany Armada Aquatics C B BB+ Meet | ||
| 1576 | Matthew DiRuzzo | 54.56 | 9 | B: 53.39 (+1.17s | 2.1%) | SlipStream Aquatics | 02/13/2026 | 2026 CO NJ Groundhog Invite | ||
| 1577 | Daniel Swift | 54.57 | 10 | B: 53.39 (+1.18s | 2.2%) | CAC Stingrays Swim Team | 02/01/2026 | 2026 CO FORM February Freeze | ||
| 1578 | Kaio Kawamura | 54.58 | 9 | B: 53.39 (+1.19s | 2.2%) | Hawaii Swimming Club | 10/25/2025 | 2025 MAGSA 12 Under ABC SCY Meet | ||
| 1579 | Evan Kim | 54.59 | 9 | B: 53.39 (+1.20s | 2.2%) | Sunnyvale Swim Club | 09/28/2025 | SUNN Blue And Gold Intrasquad Meet Copied | ||
| 1580 | Liam Gilligan | 54.59 | 9 | B: 53.39 (+1.20s | 2.2%) | Sun Valley 5 B | 11/22/2025 | 57th Annual Thanksgiving Invitational | ||
| 1581 | Killian Adams | 54.59 | 10 | B: 53.39 (+1.20s | 2.2%) | Stingray Swim Team | 12/06/2025 | 2025 PN Fall Divisionals, Division 2 | ||
| 1582 | Joaquin Salazar | 54.60 | 8 | B: 53.39 (+1.21s | 2.2%) | Tule Nation Tritons | 12/07/2024 | TNT Winterfest ABC Swim Meet | ||
| 1583 | Hayden Long | 54.60 | 9 | B: 53.39 (+1.21s | 2.2%) | Manta Ray Aquatics | 11/08/2025 | HSA All Ages NTS | ||
| 1584 | Jirui Dong | 54.61 | 8 | B: 53.39 (+1.22s | 2.2%) | Alto Swim Club | 12/19/2025 | ALTO Candy Cane Classic | ||
| 1585 | Benjamin Chase | 54.61 | 10 | B: 53.39 (+1.22s | 2.2%) | California Dolphins Swim Team | 07/26/2025 | Zone 2 Summer Championships | ||
| 1586 | Alexander Chung | 54.61 | 10 | B: 53.39 (+1.22s | 2.2%) | Palo Alto Stanford Aquatics | 03/22/2025 | 2025 Los Altos Mountain View SC CBA Meet | ||
| 1587 | Wyatt Dunnington | 54.62 | 10 | B: 53.39 (+1.23s | 2.3%) | Fort Collins Area Swim Team | 12/12/2025 | 2025 CO FAST Bill Spahn Mid Season Finale | ||
| 1588 | William Chen | 54.63 | 9 | B: 53.39 (+1.24s | 2.3%) | Rancho San Dieguito | 06/07/2025 | 2025 SI JBST Splash Dash Max | ||
| 1589 | Jack Spaugy | 54.65 | 8 | B: 53.39 (+1.26s | 2.3%) | Multnomah Athletic Club | 11/07/2025 | 2025 THSC November Open | ||
| 1590 | Luke Voeller | 54.65 | 9 | B: 53.39 (+1.26s | 2.3%) | Apex | 01/23/2026 | 2026 TTSC Winter Qualifier | ||
| 1591 | Daniel Klyzhko | 54.66 | 9 | B: 53.39 (+1.27s | 2.3%) | Cypress Fairbanks Swim Club | 01/03/2025 | PACK Rubber Duckie Invite 2025 | ||
| 1592 | Charles Zheng | 54.66 | 8 | B: 53.39 (+1.27s | 2.3%) | California Dolphins Swim Team | 12/14/2024 | 2024 12 14 CDST SC C B BB+ Meet | ||
| 1593 | Anthony Pham | 54.67 | 9 | B: 53.39 (+1.28s | 2.3%) | South Valley Makos | 10/25/2025 | GGST Spooktacular 2025 | ||
| 1594 | Ryder Tomita | 54.67 | 10 | B: 53.39 (+1.28s | 2.3%) | South Bay Aquatics | 12/13/2025 | 2025 SI CAST 14U Rising Stars 2 | ||
| 1595 | Julian Shreibati | 54.70 | 10 | B: 53.39 (+1.31s | 2.4%) | Palo Alto Stanford Aquatics | 12/20/2025 | 2025 PASA Winter Frolic Meet @ PALY HS | ||
| 1596 | Coleman Wixom | 54.70 | 9 | B: 53.39 (+1.31s | 2.4%) | Heartland Swim Assoc | 01/31/2026 | 2026 SI HSA All Ages NTS Meet | ||
| 1597 | Joaquin Garcia | 54.72 | 9 | B: 53.39 (+1.33s | 2.4%) | Swim Dogs | 02/13/2026 | 2026 CO NJ Groundhog Invite | ||
| 1598 | Samuel Lopez Silva | 54.73 | 9 | B: 53.39 (+1.34s | 2.4%) | Pro Swimming | 01/17/2026 | 2026 PN SMAC Winter Invitational Approved | ||
| 1599 | Moses Wang | 54.73 | 10 | B: 53.39 (+1.34s | 2.4%) | Bainbridge Island Swim Club | 01/31/2026 | 2026 PN BISC Bluefin Invitational | ||
| 1600 | Miles Tseung | 54.74 | 10 | B: 53.39 (+1.35s | 2.5%) | San Ramon Valley Aquatics | 09/27/2025 | Orinda Aquatics SC C B BB+ 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.