USA Boys 10 & under - 50 M Free
These rankings show the swimmers' placement within the United States.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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1001 | Jason Yin | 44.07 | 9 | B: 43.89 (+0.18s | 0.4%) | Santa Clara Swim Club | 05/17/2024 | Quicksilver Swimming Zone 1S LCM C B A+ Meet | ||
| 1002 | Walter Speicher | 44.10 | 9 | B: 43.89 (+0.21s | 0.5%) | Monocacy Aquatic Club | 06/14/2024 | 2024 Winchester Long Course Inviational | ||
| 1003 | Ryan Chen | 44.10 | 10 | B: 43.89 (+0.21s | 0.5%) | DeAnza Cupertino Aquatics | 06/27/2025 | Silicon Valley LC CBA+ Meet | ||
| 1004 | Duorong Yu | 44.10 | 10 | B: 43.89 (+0.21s | 0.5%) | Santa Clara Swim Club | 05/30/2025 | SCSC Pacific Swimming Long Course Intrasquad | ||
| 1005 | Cameron Lane | 44.12 | 10 | B: 43.89 (+0.23s | 0.5%) | Tide Swimming | 07/11/2024 | 2024 VSI Regional Summer Awards | ||
| 1006 | Elijah Irwin | 44.12 | 9 | B: 43.89 (+0.23s | 0.5%) | Fallbrook Assoc Swim T | 07/11/2025 | 2025 SI JBST All Ages NTS Meet | ||
| 1007 | Carson Kocher | 44.12 | 8 | B: 43.89 (+0.23s | 0.5%) | SlipStream Aquatics | 06/27/2025 | 2025 CO Zone 2 DU Meet | ||
| 1008 | Shayan Sarkar | 44.13 | 9 | B: 43.89 (+0.24s | 0.5%) | Diablo Aquatics | 06/07/2025 | Orinda Aquatics LC C B BB+ Meet | ||
| 1009 | Zeke Mallory | 44.13 | 9 | B: 43.89 (+0.24s | 0.5%) | Alamo Area Aquatic Association | 06/20/2025 | 2025 ST AAAA NS George Block Invite | ||
| 1010 | Callahan Calkins | 44.13 | 10 | B: 43.89 (+0.24s | 0.5%) | Hydro Swim Club | 05/30/2025 | Hydro4 Summer Open | ||
| 1011 | Garrett Legg | 44.14 | 8 | B: 43.89 (+0.25s | 0.6%) | Pleasanton Seahawks | 06/20/2025 | Zone 2 Last Chance To AG Champs | ||
| 1012 | Kian Davidson | 44.15 | 8 | B: 43.89 (+0.26s | 0.6%) | Lake Erie Silver Dolphins | 06/12/2025 | Holtrey Summer Classic | ||
| 1013 | James Milchteim | 44.15 | 9 | B: 43.89 (+0.26s | 0.6%) | Bay Club Aquatics | 07/11/2025 | 2025 SI JBST All Ages NTS Meet | ||
| 1014 | Charles Doran | 44.16 | 10 | B: 43.89 (+0.27s | 0.6%) | Nova of Virginia | 06/27/2024 | NOVA Firecracker Classic | ||
| 1015 | Brendan Moore | 44.17 | 10 | B: 43.89 (+0.28s | 0.6%) | Perry Aquatic Club | 05/31/2025 | CCS Age Group And Open Long Course Meet | ||
| 1016 | Alec Henriques | 44.17 | 10 | B: 43.89 (+0.28s | 0.6%) | Napa Valley Swim Team | 06/21/2025 | NVST Last Chance AG Champs Summer Plunge 2025 | ||
| 1017 | Henry Krovitz | 44.18 | 10 | B: 43.89 (+0.29s | 0.7%) | Univ. of Denver Hilltoppers | 05/17/2025 | 2025 CO Hilltopper Invite | ||
| 1018 | Fangyuan Xu | 44.18 | 9 | B: 43.89 (+0.29s | 0.7%) | Hudson Explorer Aquatic | 05/16/2025 | Busbey Invitational 2025 | ||
| 1019 | James Allen | 44.20 | 9 | B: 43.89 (+0.31s | 0.7%) | Bolles School Sharks | 05/23/2025 | EAJ Mayhem 2025 | ||
| 1020 | Decker Sewell | 44.21 | 10 | B: 43.89 (+0.32s | 0.7%) | Ski Hi Aquatics | 07/12/2025 | 2025 Canon City Pentathlon | ||
| 1021 | Emmett Boehm | 44.21 | 10 | B: 43.89 (+0.32s | 0.7%) | Lakeshore Swim Club | 07/12/2025 | LSSC Avon Classic | ||
| 1022 | Faddey Nosenko | 44.22 | 9 | B: 43.89 (+0.33s | 0.7%) | Unattached | 06/20/2025 | 2025 Planet Swim Summer Championships | ||
| 1023 | Milo Gordon | 44.22 | 8 | B: 43.89 (+0.33s | 0.7%) | Flatiron Athletic Club | 07/11/2025 | 2025 CO NJ Firecracker Invite | ||
| 1024 | Theodore Janson | 44.22 | 10 | B: 43.89 (+0.33s | 0.7%) | Central Minnesota Aquatics | 07/18/2025 | 2025 MN TUNA Minnesota Regional Championship | ||
| 1025 | Henry Jian | 44.22 | 10 | B: 43.89 (+0.33s | 0.7%) | Eastside Aquatic Swim Team | 06/27/2025 | 2025 PN SMAC Summer Classic Invitational | ||
| 1026 | Ico Tamayo | 44.22 | 9 | B: 43.89 (+0.33s | 0.7%) | Cali Piranha Swim Team | 07/11/2025 | 2025 SI JBST All Ages NTS Meet | ||
| 1027 | Max Madera | 44.23 | 10 | B: 43.89 (+0.34s | 0.8%) | Fast Falcons | 06/06/2025 | 2025 MAKOS Summer Splash | ||
| 1028 | Liam Woods | 44.24 | 10 | B: 43.89 (+0.35s | 0.8%) | Nova of Virginia | 06/27/2024 | NOVA Firecracker Classic | ||
| 1029 | Benjamin Chase | 44.24 | 10 | B: 43.89 (+0.35s | 0.8%) | California Dolphins Swim Team | 06/20/2025 | Zone 2 Last Chance To AG Champs | ||
| 1030 | Ethan Fu | 44.25 | 10 | B: 43.89 (+0.36s | 0.8%) | Olympic Cascade Aquatics | 05/16/2025 | 2025 PN IST Sockeye Springtime Madness | ||
| 1031 | Ansh Dhuri | 44.25 | 10 | B: 43.89 (+0.36s | 0.8%) | Issaquah Swim Team | 05/29/2025 | 2025 IE VS Apple Capital | ||
| 1032 | Trenton Ho | 44.26 | 9 | B: 43.89 (+0.37s | 0.8%) | Lone Star Aquatic Club | 05/31/2025 | 2025 ST LSAC For The City (LCM) | ||
| 1033 | Ryan Ferguson | 44.28 | 9 | B: 43.89 (+0.39s | 0.9%) | Santa Clara Swim Club | 07/19/2025 | Santa Clara Valley Splash Block Party | ||
| 1034 | Robert Maliarchuk | 44.29 | 10 | B: 43.89 (+0.40s | 0.9%) | Clearwater Aquatic Team | 05/03/2025 | 2025 TYR LCM Stingrays Meet | ||
| 1035 | Avyan Bajpai | 44.29 | 9 | B: 43.89 (+0.40s | 0.9%) | Hillsboro Swim Team | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | ||
| 1036 | Connor Osborne | 44.33 | 10 | B: 43.89 (+0.44s | 1.0%) | Prineville Swim Team | 07/25/2025 | 2025 OR East Cascade Season Finale | ||
| 1037 | Constantine Balduyeu | 44.33 | 10 | B: 43.89 (+0.44s | 1.0%) | Bolles School Sharks | 04/11/2025 | 2025 April Classic | ||
| 1038 | Darren Zhao | 44.33 | 9 | B: 43.89 (+0.44s | 1.0%) | Santa Clara Swim Club | 07/19/2025 | Santa Clara Valley Splash Block Party | ||
| 1039 | Samuel Seresse | 44.34 | 8 | B: 43.89 (+0.45s | 1.0%) | Monticello Swim Club | 07/18/2025 | 2025 MN TUNA Minnesota Regional Championship | ||
| 1040 | Maddox Dudley | 44.36 | 8 | B: 43.89 (+0.47s | 1.1%) | EL Paso Border Land Swim Team | 06/28/2024 | 2024 EPAP Jack White Classic | ||
| 1041 | Cameron Fleming | 44.38 | 9 | B: 43.89 (+0.49s | 1.1%) | Fast Fins Elite | 05/16/2025 | 2025 ST ASC Spring Showcase | ||
| 1042 | Elliot Gorman | 44.39 | 10 | B: 43.89 (+0.50s | 1.1%) | Front Range Barracudas | 07/11/2025 | 2025 CO NCS Gold District Championships | ||
| 1043 | Henry Zheng | 44.39 | 9 | B: 43.89 (+0.50s | 1.1%) | Aquajets Swim Team | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | ||
| 1044 | Jenson Beal | 44.40 | 8 | B: 43.89 (+0.51s | 1.1%) | Unattached | 06/20/2025 | 2025 Planet Swim Summer Championships | ||
| 1045 | Kai Chen | 44.41 | 10 | B: 43.89 (+0.52s | 1.2%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | ||
| 1046 | Lennox Miller | 44.43 | 10 | B: 43.89 (+0.54s | 1.2%) | Spokane Sea Serpents | 04/26/2025 | 2025 SWAT Spring Fling | ||
| 1047 | Caleb Verner | 44.43 | 9 | B: 43.89 (+0.54s | 1.2%) | Riptide Swim Team | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | ||
| 1048 | Gavin Yang | 44.44 | 10 | B: 43.89 (+0.55s | 1.2%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | ||
| 1049 | Benjamin Bolkey | 44.46 | 9 | B: 43.89 (+0.57s | 1.3%) | Lone Star Aquatic Club | 06/08/2025 | 2025 ST TXLA 14 U Sprint Cup | ||
| 1050 | Ben Wood | 44.47 | 10 | B: 43.89 (+0.58s | 1.3%) | Indian River Aquatics | 05/23/2025 | 2025 Dr Aspi Doctor Memorial Invitational | ||
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.