USA Boys 10 & under - 50 Y Breast
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 251 | Everett Cassidy | 40.42 | 10 | A Min | AA: 40.19 (+0.23s | 0.6%) | Nsea Swim | 02/26/2026 | 2026 NCS SC AG CHAMPS | |
| 252 | William Huang | 40.42 | 8 | A Min | AA: 40.19 (+0.23s | 0.6%) | Charles River Aquatics | 03/13/2026 | 2026 NE CRA End Of Season March Invite | |
| 253 | Jacob Hineman | 40.43 | 10 | A Min | AA: 40.19 (+0.24s | 0.6%) | Northern Dutchess Aquatic Club | 01/31/2026 | 2026 MR MWDA YBAR Sink Or Swim Invitational | |
| 254 | Arick Yuan | 40.45 | 10 | A Min | AA: 40.19 (+0.26s | 0.6%) | Santa Clara Swim Club | 07/25/2026 | 2026 DACA SC CBA Meet | |
| 255 | Hopper Clarke | 40.48 | 10 | A Min | AA: 40.19 (+0.29s | 0.7%) | Caldera | 02/14/2025 | 2025 OR HS 5a 4 | |
| 256 | Jorden Li | 40.50 | 10 | A Min | AA: 40.19 (+0.31s | 0.8%) | Arctic Aquatics | 10/04/2025 | 2025 NE CS Fall Sprints Copied | |
| 257 | Christian Hebron | 40.53 | 9 | A Min | AA: 40.19 (+0.34s | 0.8%) | Prince William Swim Club | 02/13/2026 | 2026 Northern District 12 Under Championship | |
| 258 | Oliver Panofsky | 40.54 | 9 | A Min | AA: 40.19 (+0.35s | 0.9%) | Slo Swim Club Seahawks | 12/19/2025 | 2025 SI Winter Age Group Championships | |
| 259 | Matthew Ko | 40.54 | 10 | A Min | AA: 40.19 (+0.35s | 0.9%) | Aspire Aquatics of Colorado | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 260 | Blake Porteus | 40.54 | 10 | A Min | AA: 40.19 (+0.35s | 0.9%) | Westerville Aquatic Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 261 | Kai Thomas | 40.54 | 10 | A Min | AA: 40.19 (+0.35s | 0.9%) | Renegade Aquatics | 07/10/2026 | 2026 SI JBST All Ages Last Chance Meet | |
| 262 | August Baikauskas | 40.54 | 9 | A Min | AA: 40.19 (+0.35s | 0.9%) | Loyola Blakefield Aquatics | 03/05/2026 | 2026 MD LSC 14 U Championships | |
| 263 | Silas Sebera | 40.55 | 10 | A Min | AA: 40.19 (+0.36s | 0.9%) | Nova of Virginia | 12/05/2025 | 2025 757swim Grand Illumination | |
| 264 | Lincoln Kemp | 40.57 | 10 | A Min | AA: 40.19 (+0.38s | 0.9%) | Nation\\\\\\'s Capital Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 265 | Jaylen Jiang | 40.58 | 10 | A Min | AA: 40.19 (+0.39s | 1.0%) | Harbor Seals | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 266 | Axton Santiago | 40.60 | 10 | A Min | AA: 40.19 (+0.41s | 1.0%) | Pearl City Aquatics | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 267 | Patrick Liu | 40.61 | 10 | A Min | AA: 40.19 (+0.42s | 1.0%) | Tac Titans | 03/24/2026 | 2026 TAC TITANS March Intrasquad Meet | |
| 268 | Stepan Gribanov | 40.63 | 9 | A Min | AA: 40.19 (+0.44s | 1.1%) | Staten Island Aquatics Club | 02/07/2026 | 2026 MR QNS We Fly High Invitational | |
| 269 | Jacob Li | 40.64 | 10 | A Min | AA: 40.19 (+0.45s | 1.1%) | Swim Tech | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 270 | Kennedy Tang | 40.64 | 10 | A Min | AA: 40.19 (+0.45s | 1.1%) | Harbor Seals | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 271 | Merrick Harner | 40.69 | 10 | A Min | AA: 40.19 (+0.50s | 1.2%) | Brevard Swim Club | 06/26/2026 | 2026 Summer Area 6 Champs | |
| 272 | Lucas Jiang | 40.70 | 9 | A Min | AA: 40.19 (+0.51s | 1.3%) | Santa Clara Swim Club | 03/20/2026 | SCY Spring Age Group Championships | |
| 273 | William Palumbo | 40.71 | 10 | A Min | AA: 40.19 (+0.52s | 1.3%) | Nova of Virginia | 01/16/2026 | GSA January Jump Start 2026 | |
| 274 | Caleb Pelkey | 40.73 | 10 | A Min | AA: 40.19 (+0.54s | 1.3%) | Buckeye Swim Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 275 | Yuning Huang | 40.73 | 10 | A Min | AA: 40.19 (+0.54s | 1.3%) | Rose Bowl Aquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 276 | Owen Newton | 40.73 | 10 | A Min | AA: 40.19 (+0.54s | 1.3%) | SwimNation Aquatics Programs | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 277 | Thiago Mantilla | 40.74 | 10 | A Min | AA: 40.19 (+0.55s | 1.4%) | South Florida Aquatic Club | 03/05/2026 | 2026 FG Age Group SCY Championships | |
| 278 | Walter Speicher | 40.75 | 10 | A Min | AA: 40.19 (+0.56s | 1.4%) | Monocacy Aquatic Club | 03/05/2026 | 2026 MD LSC 14 U Championships | |
| 279 | Ian Susanto | 40.76 | 9 | A Min | AA: 40.19 (+0.57s | 1.4%) | Legacy Aquatics | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 280 | Levi Julson | 40.77 | 8 | A Min | AA: 40.19 (+0.58s | 1.4%) | Seminole Aquatics | 06/27/2026 | 2026 Firecracker | |
| 281 | Hudson Rowlands | 40.79 | 10 | A Min | AA: 40.19 (+0.60s | 1.5%) | Mecklenburg Swim Association | 03/20/2026 | 2026 STAR Tar Heel States | |
| 282 | Frans van Wagenberg | 40.80 | 10 | A Min | AA: 40.19 (+0.61s | 1.5%) | Huntsville Swim Association | 01/16/2026 | 2026 HSA TYR Invitational | |
| 283 | Benjamin Clark | 40.80 | 10 | A Min | AA: 40.19 (+0.61s | 1.5%) | YMCA Fairfax County Reston | 10/04/2025 | 2025 Harvest Moon Invitational | |
| 284 | Josiah Edmundson | 40.83 | 9 | A Min | AA: 40.19 (+0.64s | 1.6%) | Oregon City | 02/13/2026 | 2026 OR HS 6A 5 | |
| 285 | Jacob Hood | 40.83 | 10 | A Min | AA: 40.19 (+0.64s | 1.6%) | Sailfish | 02/20/2026 | 2026 ST AAAA SC STAGS | |
| 286 | Will Martzke | 40.84 | 10 | A Min | AA: 40.19 (+0.65s | 1.6%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 287 | Jeremy Zhao | 40.84 | 9 | A Min | AA: 40.19 (+0.65s | 1.6%) | Quicksilver Swimming | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 288 | Nathaniel Maravolo | 40.86 | 10 | A Min | AA: 40.19 (+0.67s | 1.6%) | Hurricane Penguins Swim Club | 02/06/2026 | 2026 Michigan Open | |
| 289 | Reid Kelly | 40.88 | 10 | A Min | AA: 40.19 (+0.69s | 1.7%) | Front Range Barracudas | 02/13/2026 | 2026 CO NJ Groundhog Invite | |
| 290 | Easson Ji | 40.91 | 9 | A Min | AA: 40.19 (+0.72s | 1.8%) | Xtreme Swim Club | 03/13/2026 | 2026 NE INST NE Cup | |
| 291 | Lucas Guillen | 40.91 | 9 | A Min | AA: 40.19 (+0.72s | 1.8%) | 757swim | 02/13/2026 | 2026 Southeast District 9 12 Championship | |
| 292 | Eliott Jackson | 40.92 | 10 | A Min | AA: 40.19 (+0.73s | 1.8%) | Team Eugene Aquatics | 03/14/2026 | 2026 TEAM Shootout | |
| 293 | Asher Young | 40.93 | 10 | A Min | AA: 40.19 (+0.74s | 1.8%) | Terrapins Swim Team | 07/25/2026 | Zone 2 Summer Championships | |
| 294 | Evan Yue | 40.94 | 10 | A Min | AA: 40.19 (+0.75s | 1.8%) | Nation\\\\\\'s Capital Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 295 | Taeyang Im | 40.94 | 10 | A Min | AA: 40.19 (+0.75s | 1.8%) | Long Island Aquatic Club | 12/11/2025 | 2025 Katie Ledecky Invitational | |
| 296 | Garrett Michel | 40.94 | 10 | A Min | AA: 40.19 (+0.75s | 1.8%) | SwimMAC Carolina | 02/26/2026 | 2026 NCS SC AG CHAMPS | |
| 297 | Taeyul Heo | 40.97 | 10 | A Min | AA: 40.19 (+0.78s | 1.9%) | Pleasanton Seahawks | 07/25/2026 | Zone 2 Summer Championships | |
| 298 | Osvalt Weng Brouard | 40.98 | 10 | A Min | AA: 40.19 (+0.79s | 1.9%) | Long Island Aquatic Club | 01/16/2026 | 2026 MR NFS 43rd Annual Dr MLK Jr Invite | |
| 299 | Michael Urbanovich | 40.99 | 10 | A Min | AA: 40.19 (+0.80s | 2.0%) | Trident Aquatic Club | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 300 | Ryan Clark | 41.00 | 10 | A Min | AA: 40.19 (+0.81s | 2.0%) | York Swim Club of Northern Vir | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
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.