Western Zone Zone Boys 10 & under - 50 M 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1651 | Colton Coplin-Perez | 1:01.38 | 8 | B: 55.39 (+5.99s | 9.8%) | Swim Excellence Academy | 07/11/2025 | 2025 SI SDSA All Ages NTS Meet | ||
| 1652 | Sebastian Delgado Diaz | 1:01.40 | 10 | B: 55.39 (+6.01s | 9.8%) | Mount Hood Aquatics | 06/12/2026 | 73rd Ted Walker Invitational 2026 | ||
| 1653 | Nolan Root | 1:01.47 | 10 | B: 55.39 (+6.08s | 9.9%) | Falfins Swimming | 06/20/2025 | 2025 Falfins Long Course Open | ||
| 1654 | Mason Krapp | 1:01.49 | 6 | B: 55.39 (+6.10s | 9.9%) | Thurston Olympians Swim Club | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | ||
| 1655 | Hayden Jackson | 1:01.50 | 10 | B: 55.39 (+6.11s | 9.9%) | La Junta Tigersharks | 07/17/2026 | 2026 CO Alicia Leavitt Memorial | ||
| 1656 | Felix Rao | 1:01.51 | 7 | B: 55.39 (+6.12s | 9.9%) | Santa Clara Swim Club | 06/20/2026 | Zone 1 South Swim Under The Stars | ||
| 1657 | Ben Pannucci | 1:01.51 | 9 | B: 55.39 (+6.12s | 9.9%) | Unattached | 05/15/2026 | 2026 Chris Engledow Memorial Meet | ||
| 1658 | Winston McElderry | 1:01.53 | 7 | B: 55.39 (+6.14s | 10.0%) | Utah Valley Aquatics | 04/12/2025 | 2025 UT HAST LC Kickoff Dev Meet | ||
| 1659 | Max Gordon | 1:01.53 | 9 | B: 55.39 (+6.14s | 10.0%) | Castle Rock Swimming | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | ||
| 1660 | Everett Duvall | 1:01.54 | 10 | B: 55.39 (+6.15s | 10.0%) | Apex | 07/19/2025 | Apex Intrasquad 3 | ||
| 1661 | Bennett Sims | 1:01.57 | 8 | B: 55.39 (+6.18s | 10.0%) | Front Range Barracudas | 05/23/2026 | 2026 CO CUDA Vs AQUA Dual | ||
| 1662 | Samuel Bernabe | 1:01.62 | 7 | B: 55.39 (+6.23s | 10.1%) | Elko Swim Team | 07/10/2026 | 2026 NNA Silver State Championships | ||
| 1663 | Keagan Welter | 1:01.65 | 9 | B: 55.39 (+6.26s | 10.2%) | Aces Swim Club | 05/15/2026 | 2026 CO ACES Spring Invite | ||
| 1664 | William Haney | 1:01.65 | 8 | B: 55.39 (+6.26s | 10.2%) | Maui Dolphins Swim Club | 06/13/2026 | 2026 MAGSA LCM B 2 Meet | ||
| 1665 | Lucas Russell | 1:01.67 | 9 | B: 55.39 (+6.28s | 10.2%) | Bend Swim Club | 06/19/2026 | Bend Swim Club Sun Country Invite 2026 | ||
| 1666 | Caden Chang | 1:01.68 | 9 | B: 55.39 (+6.29s | 10.2%) | Sandpipers of Nevada | 03/30/2025 | Sand Vs BCH LCM Dual 2025 | ||
| 1667 | Zimo Xu | 1:01.69 | 10 | B: 55.39 (+6.30s | 10.2%) | Quicksilver Swimming | 06/12/2024 | Zone 1S Micro Meet (Host QSS) | ||
| 1668 | Ezra Chantavong | 1:01.73 | 10 | B: 55.39 (+6.34s | 10.3%) | Warrior Aquatic Club | 06/27/2026 | BIG ISLAND SWIMMING @ KSH | ||
| 1669 | Dylan Tran | 1:01.76 | 10 | B: 55.39 (+6.37s | 10.3%) | San Jose Goosemonkeys | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | ||
| 1670 | Emmet Lyons | 1:01.78 | 8 | B: 55.39 (+6.39s | 10.3%) | Telluride Swim Team | 07/10/2026 | 2026 CO Western Slope League Championships | ||
| 1671 | Ridhesh Chittudi | 1:01.78 | 8 | B: 55.39 (+6.39s | 10.3%) | Hillsboro Swim Team | 06/26/2026 | 2026 TEAM Summer Invitational | ||
| 1672 | Everett Crawford | 1:01.79 | 9 | B: 55.39 (+6.40s | 10.4%) | Bainbridge Island Swim Club | 05/02/2025 | 2025 PN BC May Flowers | ||
| 1673 | William Durrant | 1:01.80 | 9 | B: 55.39 (+6.41s | 10.4%) | Wasatch Front Fish Market | 06/27/2025 | WFFM Red White And Black 2025 | ||
| 1674 | Kabir Jain | 1:01.81 | 8 | B: 55.39 (+6.42s | 10.4%) | Hillsboro Swim Team | 06/05/2026 | 2026 CST Summer Invitational | ||
| 1675 | Albert Yan | 1:01.81 | 10 | B: 55.39 (+6.42s | 10.4%) | Milpitas Aquatic Club | 07/20/2024 | Alto Last Splash Invitational | ||
| 1676 | Finnegan Persampieri | 1:01.82 | 10 | B: 55.39 (+6.43s | 10.4%) | Otter Swim Club | 04/19/2025 | Alto Spring Jam Meet | ||
| 1677 | Danidu Abeysekera | 1:01.82 | 8 | B: 55.39 (+6.43s | 10.4%) | Tualatin Hills Swim Club | 06/12/2026 | 2026 THSC June Open | ||
| 1678 | Lawton Hinderer | 1:01.82 | 8 | B: 55.39 (+6.43s | 10.4%) | Velocity Swimming | 06/19/2026 | 2026 IE VS Starlight Open (USAS) | ||
| 1679 | Yannik Scholl | 1:01.89 | 8 | B: 55.39 (+6.50s | 10.5%) | Univ. of Denver Hilltoppers | 06/26/2026 | 2026 CO Zone 2 District Meet DU | ||
| 1680 | William Zhang | 1:01.93 | 9 | B: 55.39 (+6.54s | 10.6%) | Issaquah Swim Team | 06/13/2026 | 2026 PN IST June Invtational Approved | ||
| 1681 | Jett Crawford | 1:01.97 | 8 | B: 55.39 (+6.58s | 10.6%) | Four Corners Aquatic Team | 05/29/2026 | 2026 CO Cortez Summer Open | ||
| 1682 | Ty Donlin | 1:02.02 | 7 | B: 55.39 (+6.63s | 10.7%) | Denver Swim Academy | 06/26/2026 | 2026 CO Zone 2 District Meet DU | ||
| 1683 | Alec Hulting | 1:02.03 | 9 | B: 55.39 (+6.64s | 10.7%) | Corvallis Aquatic Team | 06/26/2026 | 2026 TEAM Summer Invitational | ||
| 1684 | Nicholas Mazzone | 1:02.05 | 9 | B: 55.39 (+6.66s | 10.7%) | Reno Aquatic Club | 05/23/2025 | 2025 Intermountain Classic Long Course Meet | ||
| 1685 | Angel Anguiano | 1:02.06 | 10 | B: 55.39 (+6.67s | 10.7%) | Yakima YMCA Swim Team | 05/29/2026 | 2026 TRI CITY INVITATIONAL | ||
| 1686 | Max Hao | 1:02.07 | 10 | B: 55.39 (+6.68s | 10.8%) | Cascade Swim Club | 06/06/2026 | 2026 PN CSC Swimtacular Approved | ||
| 1687 | Kanishk Mahesha | 1:02.10 | 10 | B: 55.39 (+6.71s | 10.8%) | San Ramon Valley Aquatics | 06/13/2026 | Orinda PC LC AG C B BB+ | ||
| 1688 | Peter Neibaur | 1:02.10 | 8 | B: 55.39 (+6.71s | 10.8%) | Voltage Aquatics | 07/18/2025 | 2025 LCM Summer Championships | ||
| 1689 | Zion Dickey | 1:02.12 | 10 | B: 55.39 (+6.73s | 10.8%) | Prineville Swim Team | 06/19/2026 | Prineville Invitational Swim Meet | ||
| 1690 | Kiaan Paidipathi | 1:02.13 | 9 | B: 55.39 (+6.74s | 10.8%) | Issaquah Swim Team | 05/28/2026 | 2026 IE VS Apple Capital | ||
| 1691 | Orley Lewis | 1:02.15 | 9 | B: 55.39 (+6.76s | 10.9%) | Lake Oswego Swim Club | 05/22/2026 | 2026 THSC Memorial Weekend Meet | ||
| 1692 | Paxton King | 1:02.22 | 9 | B: 55.39 (+6.83s | 11.0%) | Fort Collins Area Swim Team | 04/11/2026 | 2026 CO FAST Vs CUDA Dua; | ||
| 1693 | Aidan Liebers | 1:02.24 | 7 | B: 55.39 (+6.85s | 11.0%) | COSA Swimming | 07/11/2026 | 2026 CO SOCO LC Championship Last Chance | ||
| 1694 | Griffin Lloyd | 1:02.26 | 8 | B: 55.39 (+6.87s | 11.0%) | Lewis Clark Neptune Swim Team | 05/15/2026 | 2026 Chris Engledow Memorial Meet | ||
| 1695 | Edward Merpi | 1:02.27 | 7 | B: 55.39 (+6.88s | 11.0%) | Aces Swim Club | 06/05/2026 | 2026 CO NJ Summer Solstice Invite | ||
| 1696 | Robert Rodrigues | 1:02.28 | 7 | B: 55.39 (+6.89s | 11.1%) | Neptune Swimming | 06/12/2026 | Neptune Swimming June LC Meet | ||
| 1697 | Logan Marchetti | 1:02.30 | 8 | B: 55.39 (+6.91s | 11.1%) | California Capital Aquatics | 06/19/2026 | Reno Aquatic Club Gamble | ||
| 1698 | Miles Zhang | 1:02.30 | 9 | B: 55.39 (+6.91s | 11.1%) | Milpitas Aquatic Club | 05/23/2025 | Zone 1 South May Firecracker 500 | ||
| 1699 | Akahai Richardson | 1:02.31 | 7 | B: 55.39 (+6.92s | 11.1%) | Kamehameha Swim Club | 05/02/2026 | Keiko Price Sprint Meet Aloha Mile | ||
| 1700 | ari Avshalomov | 1:02.32 | 7 | B: 55.39 (+6.93s | 11.1%) | North Coast Aquatics | 05/23/2026 | SI 2026 TAC CSTE All Ages NTS 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.