Western Zone Zone Boys 10 & under - 50 M Free
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 | Constantine Kolosov | 49.89 | 10 | B: 43.89 (+6.00s | 12.0%) | Mission Aurora Colorado Swimmi | 06/06/2026 | 2026 CO MACS Suburban League Invite | ||
| 1552 | Dawson Burrup | 49.89 | 10 | B: 43.89 (+6.00s | 12.0%) | Unattached | 07/24/2026 | 2026 IES LC CHAMPIONSHIPS | ||
| 1553 | Eric Devison | 49.89 | 9 | B: 43.89 (+6.00s | 12.0%) | Walla Walla Swim Club | 05/16/2025 | 2025 Chris Engledow Memorial Meet | ||
| 1554 | Rieman Morgan | 49.90 | 7 | B: 43.89 (+6.01s | 12.0%) | Excel Aquatics | 05/15/2026 | 2026 Officially Summer Invitational | ||
| 1555 | Merik Berg | 49.93 | 9 | B: 43.89 (+6.04s | 12.1%) | La Junta Tigersharks | 06/05/2026 | 2026 CO La Junta Tigersharks Invitational | ||
| 1556 | Carter Scofelia | 49.93 | 8 | B: 43.89 (+6.04s | 12.1%) | Univ. of Denver Hilltoppers | 05/16/2026 | 2026 CO Hilltopper Invite | ||
| 1557 | Colin Fitzpatrick | 49.94 | 10 | B: 43.89 (+6.05s | 12.1%) | Life Time Colorado Swim Club | 04/26/2025 | 2025 CO FST Spring LC Fever | ||
| 1558 | Everett Levitt | 49.94 | 10 | B: 43.89 (+6.05s | 12.1%) | DeAnza Cupertino Aquatics | 05/16/2025 | 2025 DACA LC CBA Meet | ||
| 1559 | Liam Frank | 49.95 | 10 | B: 43.89 (+6.06s | 12.1%) | Olympus Aquatics | 07/09/2024 | Legendary Encore LC 2024 | ||
| 1560 | Kabir Jain | 49.96 | 8 | B: 43.89 (+6.07s | 12.1%) | Hillsboro Swim Team | 06/05/2026 | 2026 CST Summer Invitational | ||
| 1561 | Adam Hugenberger | 49.97 | 9 | B: 43.89 (+6.08s | 12.2%) | Otter Swim Club | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | ||
| 1562 | Jackson Jensen | 49.97 | 9 | B: 43.89 (+6.08s | 12.2%) | Valley Aquatics | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | ||
| 1563 | Maxwell Williams | 49.97 | 9 | B: 43.89 (+6.08s | 12.2%) | Helena Lions Swim Team | 07/10/2026 | 2026 MT HLST Last Chance Invitational | ||
| 1564 | Bryan Liu | 49.99 | 8 | B: 43.89 (+6.10s | 12.2%) | Issaquah Swim Team | 06/13/2026 | 2026 PN IST June Invtational Approved | ||
| 1565 | Lincoln Reding | 49.99 | 10 | B: 43.89 (+6.10s | 12.2%) | Apex | 06/05/2026 | 2026 CST Summer Invitational | ||
| 1566 | Camden Haselden | 49.99 | 9 | B: 43.89 (+6.10s | 12.2%) | Puget Sound Swim Club | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | ||
| 1567 | Saahil Dixit | 50.01 | 9 | B: 43.89 (+6.12s | 12.2%) | Wave Aquatics | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | ||
| 1568 | Ben Pannucci | 50.03 | 9 | B: 43.89 (+6.14s | 12.3%) | Spokane Club Aquatics Team | 07/24/2026 | 2026 IES LC CHAMPIONSHIPS | ||
| 1569 | Maxwell Yao | 50.04 | 9 | B: 43.89 (+6.15s | 12.3%) | Gilroy Gators Swim Team | 05/18/2024 | San Benito Aquatics C B A+ | ||
| 1570 | Harrison Kay | 50.04 | 9 | B: 43.89 (+6.15s | 12.3%) | Legacy Aquatics | 11/02/2024 | Oregon City Fall Open 2024 | ||
| 1571 | Murphy Oneill Butler | 50.08 | 10 | B: 43.89 (+6.19s | 12.4%) | Wind N Sea Swim Team | 06/06/2026 | 2026 SI JBST SPLASH DASH MAX | ||
| 1572 | Choeyang Gyaltso | 50.09 | 10 | B: 43.89 (+6.20s | 12.4%) | Montrose Marlins Swim Club | 07/10/2026 | 2026 CO Western Slope League Championships | ||
| 1573 | Enzo Palomino | 50.10 | 9 | B: 43.89 (+6.21s | 12.4%) | South Valley Makos | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | ||
| 1574 | Killian Adams | 50.14 | 10 | B: 43.89 (+6.25s | 12.5%) | Stingray Swim Team | 05/28/2026 | 2026 IE VS Apple Capital | ||
| 1575 | William Fan | 50.14 | 8 | B: 43.89 (+6.25s | 12.5%) | DeAnza Cupertino Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | ||
| 1576 | Reece Kau | 50.15 | 10 | B: 43.89 (+6.26s | 12.5%) | Palo Alto Stanford Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | ||
| 1577 | Jiaqi Zong | 50.15 | 8 | B: 43.89 (+6.26s | 12.5%) | Santa Clara Swim Club | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | ||
| 1578 | Isaiah Hui | 50.16 | 8 | B: 43.89 (+6.27s | 12.5%) | Tualatin Hills Swim Club | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | ||
| 1579 | Cash Burns | 50.16 | 8 | B: 43.89 (+6.27s | 12.5%) | Montrose Marlins Swim Club | 05/29/2026 | 2026 CO Cortez Summer Open | ||
| 1580 | Chase White | 50.21 | 10 | B: 43.89 (+6.32s | 12.6%) | South Valley Makos | 06/28/2024 | 2024 Valley Splash Zone 1S LCM C B A+ | ||
| 1581 | Peter Neibaur | 50.22 | 8 | B: 43.89 (+6.33s | 12.6%) | Voltage Aquatics | 06/07/2025 | Summer Classics 2025 | ||
| 1582 | Derek Feng | 50.24 | 10 | B: 43.89 (+6.35s | 12.6%) | San Ramon Valley Aquatics | 04/26/2025 | PacSwim LCM C B BB+ Hosted By TERA | ||
| 1583 | Eric Yu | 50.25 | 9 | B: 43.89 (+6.36s | 12.7%) | Bellevue Club Swim Team | 07/09/2026 | 2026 PN Chinook Seattle Age Group Open Appro | ||
| 1584 | Connor Mattoon | 50.26 | 7 | B: 43.89 (+6.37s | 12.7%) | Kona Dolphins Swim Club | 06/27/2026 | BIG ISLAND SWIMMING @ KSH | ||
| 1585 | Kevin Lin | 50.26 | 10 | B: 43.89 (+6.37s | 12.7%) | Cougar Aquatics | 06/19/2026 | 2026 SWAT Summer Solstice | ||
| 1586 | Leon Lu | 50.27 | 8 | B: 43.89 (+6.38s | 12.7%) | Denver Triton Swim Team | 04/12/2026 | 2026 CO NJ SBL Pentathlon 12 U | ||
| 1587 | Eason Niu | 50.28 | 9 | B: 43.89 (+6.39s | 12.7%) | San Ramon Valley Aquatics | 06/13/2026 | Orinda PC LC AG C B BB+ | ||
| 1588 | Lior Margolis | 50.28 | 7 | B: 43.89 (+6.39s | 12.7%) | Alto Swim Club | 07/25/2026 | Alto Last Splash | ||
| 1589 | Jett Crawford | 50.29 | 8 | B: 43.89 (+6.40s | 12.7%) | Four Corners Aquatic Team | 05/29/2026 | 2026 CO Cortez Summer Open | ||
| 1590 | Owen Bailey | 50.30 | 9 | B: 43.89 (+6.41s | 12.7%) | Mission Aurora Colorado Swimmi | 04/12/2026 | 2026 CO NJ SBL Pentathlon 12 U | ||
| 1591 | Julian Nagpal | 50.30 | 10 | B: 43.89 (+6.41s | 12.7%) | Piedmont Swim Team | 06/27/2026 | NVST Summer Plunge 2026 | ||
| 1592 | Mason Birnie | 50.37 | 9 | B: 43.89 (+6.48s | 12.9%) | Front Range Barracudas | 06/27/2026 | 2026 CO CUDA Summer Kicker | ||
| 1593 | Jonathan Shi | 50.38 | 8 | B: 43.89 (+6.49s | 12.9%) | Cascadia Swimming | 04/17/2026 | 2026 MAC LONG COURSE INVITATIONAL | ||
| 1594 | Jack Jacobsen | 50.40 | 8 | B: 43.89 (+6.51s | 12.9%) | Bozeman Barracudas Swim Team | 07/10/2026 | 2026 MT HLST Last Chance Invitational | ||
| 1595 | Simon Chung | 50.43 | 10 | B: 43.89 (+6.54s | 13.0%) | Burlingame Aquatics | 05/02/2026 | Alto Spring Jam CBA | ||
| 1596 | Jagyr Arora | 50.43 | 9 | B: 43.89 (+6.54s | 13.0%) | Lake Oswego Swim Club | 05/22/2026 | 2026 THSC Memorial Weekend Meet | ||
| 1597 | Benson Hundley | 50.45 | 9 | B: 43.89 (+6.56s | 13.0%) | Hilltop Aquatic Swim Team | 05/29/2025 | 2025 UVRays Oviatt Open | ||
| 1598 | Adrian Williams | 50.49 | 8 | B: 43.89 (+6.60s | 13.1%) | Piranha Swimming | 06/21/2025 | NVST Last Chance AG Champs Summer Plunge 2025 | ||
| 1599 | Yannik Scholl | 50.50 | 8 | B: 43.89 (+6.61s | 13.1%) | Univ. of Denver Hilltoppers | 07/11/2026 | 2026 CO SBL Summer Sizzler | ||
| 1600 | Jeffrey Liu | 50.51 | 10 | B: 43.89 (+6.62s | 13.1%) | DeAnza Cupertino Aquatics | 06/12/2026 | 2026 DACA LC CBA 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.