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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1701 | Ivan Moliboga | 59.07 | 9 | B: 53.39 (+5.68s | 9.6%) | Terrapins Swim Team | 09/27/2025 | Orinda Aquatics SC C B BB+ Meet | ||
| 1702 | Drake Larson | 59.09 | 10 | B: 53.39 (+5.70s | 9.6%) | Tahoe Swim Club | 10/18/2024 | 2024 KING OF THE HILL CHALLENGE | ||
| 1703 | Michael Zhang-Shen | 59.11 | 9 | B: 53.39 (+5.72s | 9.7%) | Blue Dolphin Swim Team | 02/22/2025 | 2025 PN IST Feb Invitational | ||
| 1704 | Alimansur Aidyn | 59.13 | 9 | B: 53.39 (+5.74s | 9.7%) | Bure-Aqua Academy | 01/23/2026 | 2026 CO TOPS Colorado Open | ||
| 1705 | Calix Lai | 59.16 | 9 | B: 53.39 (+5.77s | 9.8%) | California Dolphins Swim Team | 12/14/2024 | 2024 12 14 CDST SC C B BB+ Meet | ||
| 1706 | Steven Ibana | 59.16 | 9 | B: 53.39 (+5.77s | 9.8%) | Spokane Waves Aquatic Team | 02/13/2026 | (Pullman) 2026 IES Jr Champs | ||
| 1707 | Greyson Straka | 59.16 | 9 | B: 53.39 (+5.77s | 9.8%) | Evergreen Hurricanes | 01/31/2026 | 2026 CO Anthony Boettcher Nate Rothman Memori | ||
| 1708 | Alan Bu | 59.16 | 8 | B: 53.39 (+5.77s | 9.8%) | Sunnyvale Swim Club | 10/11/2025 | 2025 DACA SC CBA Meet | ||
| 1709 | Benjamin Voightmann | 59.16 | 10 | B: 53.39 (+5.77s | 9.8%) | Wave Aquatics | 08/01/2026 | 2026 PN WAVE Summer Pentathlon Invite Appr | ||
| 1710 | Garin Hanson | 59.19 | 8 | B: 53.39 (+5.80s | 9.8%) | Pueblo County Swim Team | 02/14/2025 | 2025 CO COSA Valentine Open | ||
| 1711 | Christopher Ciaschini | 59.20 | 8 | B: 53.39 (+5.81s | 9.8%) | Seals Aquatics | 11/22/2025 | Thankswimming Classic 2025 | ||
| 1712 | Ezekiel Baker | 59.23 | 9 | B: 53.39 (+5.84s | 9.9%) | Kona Dolphins Swim Club | 02/07/2026 | BIG ISLAND SWIMMING @ KCAC | ||
| 1713 | Travis Vu | 59.24 | 10 | B: 53.39 (+5.85s | 9.9%) | Valley Splash | 02/07/2026 | Valley Splash Short Course C B A Meet | ||
| 1714 | Jake Hancock | 59.24 | 10 | B: 53.39 (+5.85s | 9.9%) | Sandpoint Sharks Swim Club | 10/26/2025 | 2025 IE VAN Trick Or Treat Progressive Invita | ||
| 1715 | Rexx Yu | 59.24 | 8 | B: 53.39 (+5.85s | 9.9%) | Burlingame Aquatics | 01/10/2026 | BAC Norman Cutler Memorial | ||
| 1716 | Ryan Ramirez | 59.25 | 8 | B: 53.39 (+5.86s | 9.9%) | South Bay Aquatics | 01/31/2026 | 2026 SBA All Ages NTS Meet | ||
| 1717 | Itai Nadav | 59.26 | 10 | B: 53.39 (+5.87s | 9.9%) | Palo Alto Stanford Aquatics | 12/20/2025 | 2025 PASA Winter Frolic Meet @ PALY HS | ||
| 1718 | Rhys Brenner | 59.28 | 9 | B: 53.39 (+5.89s | 9.9%) | COSA Swimming | 02/13/2026 | 2026 CO Valentine Open | ||
| 1719 | Hanchen Guo-Li | 59.29 | 9 | B: 53.39 (+5.90s | 10.0%) | Alto Swim Club | 12/06/2025 | Alto Dec 6 7 CBA | ||
| 1720 | Tailin Huang | 59.30 | 10 | B: 53.39 (+5.91s | 10.0%) | Blue Dolphin Swim Team | 01/25/2025 | 2025 PN IST Janurary Invitational | ||
| 1721 | Greyson Nguyen | 59.30 | 7 | B: 53.39 (+5.91s | 10.0%) | Garden Grove Aquatics | 11/21/2025 | 2025 CA MVN Turkey Classic | ||
| 1722 | Everett Mazzola | 59.31 | 10 | B: 53.39 (+5.92s | 10.0%) | College Area Swim Team | 01/31/2026 | 2026 SBA All Ages NTS Meet | ||
| 1723 | Cary Chen | 59.31 | 10 | B: 53.39 (+5.92s | 10.0%) | Sunnyvale Swim Club | 02/22/2025 | De Anza C B A+ | ||
| 1724 | Enoch Wang | 59.33 | 8 | B: 53.39 (+5.94s | 10.0%) | Bainbridge Island Swim Club | 02/27/2026 | 2026 PN February AGI, Division 2 Approved | ||
| 1725 | Lucas Yang | 59.34 | 9 | B: 53.39 (+5.95s | 10.0%) | Olympic Cascade Aquatics | 01/24/2026 | 2026 PN PDST Winter Invitational Meet Approv | ||
| 1726 | Caden Thompson Servin | 59.34 | 10 | B: 53.39 (+5.95s | 10.0%) | Mission Aurora Colorado Swimmi | 01/03/2026 | 2026 CO MACS Winter Invitationak | ||
| 1727 | Dalu Wang | 59.35 | 9 | B: 53.39 (+5.96s | 10.0%) | Renegade Aquatics | 08/16/2025 | 2025 SI FAST RISING STARS 3 | ||
| 1728 | Espen Drolet | 59.37 | 9 | B: 53.39 (+5.98s | 10.1%) | Bellingham Bay Swim Team | 05/09/2026 | 2026 PN BBST Take A Chance Invite Approved | ||
| 1729 | Jack McFerron | 59.37 | 10 | B: 53.39 (+5.98s | 10.1%) | Univ. of Denver Hilltoppers | 01/23/2026 | 2026 CO TOPS Colorado Open | ||
| 1730 | Hunter Sue | 59.37 | 9 | B: 53.39 (+5.98s | 10.1%) | Kamehameha Swim Club | 01/11/2026 | ABC SCY Meet | ||
| 1731 | Dutch Pyburn | 59.38 | 10 | B: 53.39 (+5.99s | 10.1%) | Albany Aquatic Association | 02/08/2026 | 2026 AAA SC Final Countdown Open | ||
| 1732 | Shaoquan Wang | 59.39 | 10 | B: 53.39 (+6.00s | 10.1%) | Chinook Aquatic Club | 01/19/2025 | 2025 PN BC 26th Annual Snowflake Classic | ||
| 1733 | Landon Rivera | 59.42 | 10 | B: 53.39 (+6.03s | 10.1%) | Nampa Swim Team | 11/22/2025 | 57th Annual Thanksgiving Invitational | ||
| 1734 | Gabriel Dunn | 59.42 | 9 | B: 53.39 (+6.03s | 10.1%) | Multnomah Athletic Club | 02/06/2026 | 2026 Forest Grove Coast Range Qualifier | ||
| 1735 | Joshua Chang | 59.42 | 9 | B: 53.39 (+6.03s | 10.1%) | Bay Club Panthers | 03/07/2026 | BAC Race To AGCs | ||
| 1736 | Isaiah Bridge | 59.44 | 10 | B: 53.39 (+6.05s | 10.2%) | Redmond Aquatic Club | 08/07/2026 | Bend Swim Club August Invitational | ||
| 1737 | Aarav Kampasi | 59.48 | 10 | B: 53.39 (+6.09s | 10.2%) | Pro Swimming | 01/23/2026 | 2026 PN Pro January Intrasquad Approved | ||
| 1738 | Bryan Liu | 59.48 | 8 | B: 53.39 (+6.09s | 10.2%) | Issaquah Swim Team | 10/18/2025 | 2025 PN IST Fall Open | ||
| 1739 | Hazlitt Davenport | 59.51 | 8 | B: 53.39 (+6.12s | 10.3%) | Denver Triton Swim Team | 01/16/2026 | 2026 CO CUDA Classic | ||
| 1740 | Robert Karpenko | 59.51 | 8 | B: 53.39 (+6.12s | 10.3%) | University Place Aquatic Club | 07/11/2026 | 2026 PN UPAC Summer Challenge Intr Approved | ||
| 1741 | Chen Yuan | 59.51 | 10 | B: 53.39 (+6.12s | 10.3%) | Wave Aquatics | 08/01/2026 | 2026 PN WAVE Summer Pentathlon Invite Appr | ||
| 1742 | Nathan Nguyen | 59.52 | 10 | B: 53.39 (+6.13s | 10.3%) | San Jose Goosemonkeys | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | ||
| 1743 | Ryder McDermitt | 59.53 | 8 | B: 53.39 (+6.14s | 10.3%) | Riptide Swim Team | 02/21/2025 | 2025 CO FAST Aquarius Last Chance | ||
| 1744 | Wyatt Ballantine | 59.57 | 10 | B: 53.39 (+6.18s | 10.4%) | VANCOUVER SWIM CLUB | 05/09/2026 | 2026 Spring Sprinter Invitational | ||
| 1745 | Atlas Crowley | 59.57 | 10 | B: 53.39 (+6.18s | 10.4%) | McMinnville Swim Club | 11/07/2025 | 2025 McSwimville Invitational | ||
| 1746 | Hudson Crosby | 59.57 | 10 | B: 53.39 (+6.18s | 10.4%) | Castle Rock Swimming | 02/14/2026 | 2026 CO ACES Winter Open | ||
| 1747 | Anthony Piazza | 59.58 | 9 | B: 53.39 (+6.19s | 10.4%) | Otter Swim Club | 11/14/2025 | PSL Pumpkin Spice Lovers 25 129 | ||
| 1748 | Maverick Scoggin | 59.58 | 8 | B: 53.39 (+6.19s | 10.4%) | Napa Valley Swim Team | 03/07/2026 | Napa Valley Swim Team Swimming Towards Spring | ||
| 1749 | Dublin Greaves | 59.61 | 8 | B: 53.39 (+6.22s | 10.4%) | Issaquah Swim Team | 01/24/2026 | 2026 PN IST January Invitational Approved | ||
| 1750 | Jacob Vedra | 59.61 | 9 | B: 53.39 (+6.22s | 10.4%) | Foothills Swim Team | 01/16/2026 | 2026 CO CUDA 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.