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 | Parker Allen | 54.33 | 10 | B: 53.39 (+0.94s | 1.7%) | Wasatch Swim Club | 11/01/2025 | Race Swami Dia De Los Muertos Classic 2025 | ||
| 1502 | Daniel Choi | 54.36 | 9 | B: 53.39 (+0.97s | 1.8%) | Fort Collins Area Swim Team | 01/10/2026 | 2026 CO FAST Vs TOPS Vs RIP | ||
| 1503 | Theo Maier | 54.39 | 10 | B: 53.39 (+1.00s | 1.8%) | River Road Swim Team | 03/08/2025 | 2025 Valley Coast Invitational | ||
| 1504 | Jett Sampson | 54.43 | 10 | B: 53.39 (+1.04s | 1.9%) | Mount Hood Aquatics | 12/12/2025 | 2025 FGSC Christmas Invitational | ||
| 1505 | Tang Li | 54.44 | 9 | B: 53.39 (+1.05s | 1.9%) | Denver Swim Academy | 01/23/2026 | 2026 CO TOPS Colorado Open | ||
| 1506 | Ryan Ye | 54.44 | 10 | B: 53.39 (+1.05s | 1.9%) | Walnut Creek Aquabears | 07/26/2025 | Zone 2 Summer Championships | ||
| 1507 | Hasan Burnett | 54.44 | 8 | B: 53.39 (+1.05s | 1.9%) | Santa Clara Swim Club | 03/28/2026 | Swim South Bay | ||
| 1508 | William Zhang | 54.45 | 9 | B: 53.39 (+1.06s | 1.9%) | Issaquah Swim Team | 03/06/2026 | 2026 BBST Seize The Day Invitational | ||
| 1509 | 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 | ||
| 1510 | Marcus Olarte | 54.46 | 9 | B: 53.39 (+1.07s | 2.0%) | Seattle Metropolitan Aquatic C | 03/28/2026 | 2026 PN Spring Showdown, Div 2 Approved | ||
| 1511 | 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 | ||
| 1512 | Cian Coyle | 54.48 | 9 | B: 53.39 (+1.09s | 2.0%) | COSA Swimming | 12/19/2025 | 2025 CO Falfins Holiday Open | ||
| 1513 | Jack McRae | 54.49 | 8 | B: 53.39 (+1.10s | 2.0%) | Univ. of Denver Hilltoppers | 02/13/2026 | 2026 CO NJ Groundhog Invite | ||
| 1514 | Kanishk Mahesha | 54.49 | 10 | B: 53.39 (+1.10s | 2.0%) | San Ramon Valley Aquatics | 03/28/2026 | Albany Armada Aquatics SC C B BB+ | ||
| 1515 | Henry Armstrong | 54.50 | 10 | B: 53.39 (+1.11s | 2.0%) | Northern Nevada Aquatics | 10/17/2025 | 2025 KING OF THE HILL CHALLENGE | ||
| 1516 | Joonseo Park | 54.50 | 10 | B: 53.39 (+1.11s | 2.0%) | Wave Aquatics | 09/27/2025 | 2025 PN SSCD Autumn Open | ||
| 1517 | James Regan | 54.52 | 9 | B: 53.39 (+1.13s | 2.1%) | Univ. of Denver Hilltoppers | 01/23/2026 | 2026 CO TOPS Colorado Open | ||
| 1518 | 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 | ||
| 1519 | Noah Oh | 54.54 | 10 | B: 53.39 (+1.15s | 2.1%) | Cascade Swim Club | 03/07/2026 | 2026 PDST Mar Pentathlon Last Chance Approved | ||
| 1520 | Rees Yan | 54.56 | 10 | B: 53.39 (+1.17s | 2.1%) | Cascadia Swimming | 12/12/2025 | 2025 OR TTSC Holiday Invitational Meet | ||
| 1521 | Matthew DiRuzzo | 54.56 | 9 | B: 53.39 (+1.17s | 2.1%) | SlipStream Aquatics | 02/13/2026 | 2026 CO NJ Groundhog Invite | ||
| 1522 | Daniel Swift | 54.57 | 10 | B: 53.39 (+1.18s | 2.2%) | CAC Stingrays Swim Team | 02/01/2026 | 2026 CO FORM February Freeze | ||
| 1523 | Jack Herson | 54.57 | 9 | B: 53.39 (+1.18s | 2.2%) | Albany Armada Aquatics | 03/28/2026 | Albany Armada Aquatics SC C B BB+ | ||
| 1524 | Enric Lee | 54.58 | 9 | B: 53.39 (+1.19s | 2.2%) | Bay Club Aquatics | 02/21/2026 | 2026 SI JBST Age Group Champs Max | ||
| 1525 | Aadyant Agrawal | 54.58 | 8 | B: 53.39 (+1.19s | 2.2%) | Wave Aquatics | 03/28/2026 | 2026 PN Spring Showdown, Div 4 Approved | ||
| 1526 | 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 | ||
| 1527 | Killian Adams | 54.59 | 10 | B: 53.39 (+1.20s | 2.2%) | Stingray Swim Team | 12/06/2025 | 2025 PN Fall Divisionals, Division 2 | ||
| 1528 | Liam Gilligan | 54.59 | 10 | B: 53.39 (+1.20s | 2.2%) | Sun Valley 5 B | 11/22/2025 | 57th Annual Thanksgiving Invitational | ||
| 1529 | Joaquin Salazar | 54.60 | 9 | B: 53.39 (+1.21s | 2.2%) | Tule Nation Tritons | 12/07/2024 | TNT Winterfest ABC Swim Meet | ||
| 1530 | Hayden Long | 54.60 | 9 | B: 53.39 (+1.21s | 2.2%) | Manta Ray Aquatics | 11/08/2025 | HSA All Ages NTS | ||
| 1531 | Royce Reed | 54.60 | 8 | B: 53.39 (+1.21s | 2.2%) | King Aquatic Club | 02/27/2026 | 2026 PN February AGI, Div 1 Approved | ||
| 1532 | Benjamin Chase | 54.61 | 10 | B: 53.39 (+1.22s | 2.2%) | California Dolphins Swim Team | 07/26/2025 | Zone 2 Summer Championships | ||
| 1533 | Benjamin Anzenberg | 54.63 | 9 | B: 53.39 (+1.24s | 2.3%) | Piedmont Swim Team | 03/28/2026 | Piedmont Swim Team C B BB+ | ||
| 1534 | William Chen | 54.63 | 10 | B: 53.39 (+1.24s | 2.3%) | Rancho San Dieguito | 06/07/2025 | 2025 SI JBST Splash Dash Max | ||
| 1535 | Jack Spaugy | 54.65 | 8 | B: 53.39 (+1.26s | 2.3%) | Multnomah Athletic Club | 11/07/2025 | 2025 THSC November Open | ||
| 1536 | Luke Voeller | 54.65 | 9 | B: 53.39 (+1.26s | 2.3%) | Apex | 01/23/2026 | 2026 TTSC Winter Qualifier | ||
| 1537 | 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 | ||
| 1538 | Coleman Wixom | 54.70 | 10 | B: 53.39 (+1.31s | 2.4%) | Heartland Swim Assoc | 01/31/2026 | 2026 SI HSA All Ages NTS Meet | ||
| 1539 | Joaquin Garcia | 54.72 | 10 | B: 53.39 (+1.33s | 2.4%) | Swim Dogs | 02/13/2026 | 2026 CO NJ Groundhog Invite | ||
| 1540 | 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 | ||
| 1541 | Lucas Goebel | 54.75 | 10 | B: 53.39 (+1.36s | 2.5%) | Sunnyvale Swim Club | 10/25/2025 | 2025 SUNN Fall Classic | ||
| 1542 | Locke Kane | 54.75 | 9 | B: 53.39 (+1.36s | 2.5%) | Lahaina Swim Club | 12/06/2025 | 2025 MAGSA SCY B3 Meet | ||
| 1543 | Rhett Garvin | 54.75 | 10 | B: 53.39 (+1.36s | 2.5%) | Clovis Swim Club | 11/22/2025 | 2025 Dr Dowain Wright Memorial ABC | ||
| 1544 | Matthew Castaneda | 54.75 | 10 | B: 53.39 (+1.36s | 2.5%) | Seattle Metropolitan Aquatic C | 10/18/2025 | 2025 PN VAST Fall Classic | ||
| 1545 | Hunter Lind | 54.78 | 9 | B: 53.39 (+1.39s | 2.5%) | Wasatch Front Fish Market | 11/21/2025 | 2025 MAC Thanksgiving Invitational | ||
| 1546 | Hudson Goodrich | 54.80 | 9 | B: 53.39 (+1.41s | 2.6%) | Denver Swim Academy | 02/21/2026 | 2026 CO DSA Last Chance | ||
| 1547 | Noah Wang | 54.80 | 10 | B: 53.39 (+1.41s | 2.6%) | Front Range Barracudas | 12/15/2024 | 2024 CO CUDA Vs FST Dual | ||
| 1548 | Jasper Wang | 54.84 | 9 | B: 53.39 (+1.45s | 2.6%) | Kamehameha Swim Club | 01/11/2026 | ABC SCY Meet | ||
| 1549 | Oliver Gremban | 54.84 | 9 | B: 53.39 (+1.45s | 2.6%) | North Coast Aquatics | 11/08/2025 | HSA All Ages NTS | ||
| 1550 | Shane Mercado | 54.85 | 8 | B: 53.39 (+1.46s | 2.7%) | Highlands Ranch Aquatics | 01/23/2026 | 2026 CO TOPS Colorado Open | ||
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.