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 | |
|---|---|---|---|---|---|---|---|---|---|
| 401 | Jackson Macaluso | 41.69 | 10 | A Min | AA: 40.19 (+1.50s | 3.6%) | Tampa Elite Aquatics | 07/24/2026 | 2026 Summer Area 3 Championships | |
| 402 | Lucas Sharp | 41.69 | 10 | A Min | AA: 40.19 (+1.50s | 3.6%) | Rockville Montgomery Swim Club | 11/01/2025 | 2025 RMSC Autumn 350 Challenge Meet | |
| 403 | Daniel Early | 41.69 | 10 | A Min | AA: 40.19 (+1.50s | 3.6%) | Grosse Pointe Gators | 12/06/2025 | 2025 26 Super Fast And Furious Prelim Final | |
| 404 | Benjamin Russell | 41.70 | 10 | A Min | AA: 40.19 (+1.51s | 3.6%) | Csp Tideriders | 02/27/2026 | Ozark Division I Championship | |
| 405 | Max Madera | 41.70 | 10 | A Min | AA: 40.19 (+1.51s | 3.6%) | Fast Falcons | 03/05/2026 | 2026 Florida Swimming FLAGS NORTH | |
| 406 | Ivan Zhao | 41.72 | 8 | A Min | AA: 40.19 (+1.53s | 3.7%) | Southwest Stars Swim Club | 03/05/2026 | 2026 Florida Swimming FLAGS NORTH | |
| 407 | Benjamin Leger | 41.72 | 10 | A Min | AA: 40.19 (+1.53s | 3.7%) | Lynchburg YMCA Swim Team | 02/27/2026 | 2026 SW District Champs 9 Over | |
| 408 | Ryu Ishibashi | 41.73 | 10 | A Min | AA: 40.19 (+1.54s | 3.7%) | Novi Sturgeons | 02/27/2026 | 2026 MCSA Junior Cup | |
| 409 | Hunter Perfect | 41.73 | 10 | A Min | AA: 40.19 (+1.54s | 3.7%) | River Falls Swim Club | 07/11/2026 | 2026 MN RFSC Summer Last Chance Invite | |
| 410 | Cameron Cheng-Zhang | 41.73 | 10 | A Min | AA: 40.19 (+1.54s | 3.7%) | New Wave Swim Team | 02/14/2026 | 2026 TAC TITANS February Qualifier Meet | |
| 411 | Jaezyn Magnaye | 41.74 | 10 | A Min | AA: 40.19 (+1.55s | 3.7%) | Tualatin Hills Swim Club | 05/16/2026 | 2026 John DeRoest Sextathlon Swim Meet | |
| 412 | Henry Lampley | 41.75 | 9 | A Min | AA: 40.19 (+1.56s | 3.7%) | YMCA of Florida\\\\\\'s First Coast | 06/26/2026 | 2026 SwimRise Season Finale | |
| 413 | Mason Yu | 41.76 | 10 | A Min | AA: 40.19 (+1.57s | 3.8%) | Qns Aquatic Club | 11/22/2025 | 2025 MR QNS Protect Ya Turkey Neck Invite | |
| 414 | Carter Prescher | 41.76 | 8 | A Min | AA: 40.19 (+1.57s | 3.8%) | All Star Aquatics | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 415 | Yangyang Xu | 41.77 | 10 | A Min | AA: 40.19 (+1.58s | 3.8%) | Pacific Dragons Swim Team | 03/19/2026 | 2026 Northwest Region AG Champs Approved | |
| 416 | Gavin Liebson | 41.78 | 10 | A Min | AA: 40.19 (+1.59s | 3.8%) | Quince Orchard Swim Academy | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 417 | Keaton Visser | 41.78 | 10 | A Min | AA: 40.19 (+1.59s | 3.8%) | Byron Center Aquatics | 03/07/2026 | 2026 Lake Michigan Regional Meet | |
| 418 | Beckett Blank | 41.78 | 9 | A Min | AA: 40.19 (+1.59s | 3.8%) | Nation\\\\\\'s Capital Swim Club | 12/04/2025 | 2025 RAYS Nutcracker Classic Copied | |
| 419 | Lynn Wilson | 41.79 | 8 | A Min | AA: 40.19 (+1.60s | 3.8%) | Rockville Montgomery Swim Club | 02/14/2026 | 2026 RMSC Gender Blender Mini Meet | |
| 420 | Yixuan Zhu | 41.82 | 10 | A Min | AA: 40.19 (+1.63s | 3.9%) | Pleasanton Seahawks | 03/28/2026 | PC CDST SC C B BB+ Meet | |
| 421 | Nathan Liu | 41.82 | 10 | A Min | AA: 40.19 (+1.63s | 3.9%) | First Colony Swim Team, Inc. | 01/31/2025 | 2025 Fleet Mardi Gras | |
| 422 | Owen Yuk | 41.82 | 10 | A Min | AA: 40.19 (+1.63s | 3.9%) | Nation\\\\\\'s Capital Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 423 | Aaron Kim | 41.82 | 10 | A Min | AA: 40.19 (+1.63s | 3.9%) | EL Paso Border Land Swim Team | 12/19/2025 | 2025 BD Leo Cancellare Memorial Swim Meet | |
| 424 | Cameron Day | 41.82 | 10 | A Min | AA: 40.19 (+1.63s | 3.9%) | Mission Viejo Nadadores | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 425 | Lennox Luning | 41.83 | 10 | A Min | AA: 40.19 (+1.64s | 3.9%) | Naval Academy Aquatic Club | 03/05/2026 | 2026 MD LSC 14 U Championships | |
| 426 | Santiago Diaz | 41.83 | 9 | A Min | AA: 40.19 (+1.64s | 3.9%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 427 | Walker Lewis | 41.83 | 10 | A Min | AA: 40.19 (+1.64s | 3.9%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 428 | Alexander Jin | 41.84 | 10 | A Min | AA: 40.19 (+1.65s | 3.9%) | Csp Tideriders | 02/27/2026 | Ozark Division I Championship | |
| 429 | Nick Scarpitti | 41.85 | 10 | A Min | AA: 40.19 (+1.66s | 4.0%) | Cincinnati Aquatic Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 430 | Henry Zheng | 41.86 | 9 | A Min | AA: 40.19 (+1.67s | 4.0%) | Aquajets Swim Team | 01/30/2026 | 2026 MN MTKA TYR Team Challenge | |
| 431 | Hengyu Cao | 41.86 | 10 | A Min | AA: 40.19 (+1.67s | 4.0%) | Saline Swim Team | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 432 | Paxton Wilson | 41.86 | 9 | A Min | AA: 40.19 (+1.67s | 4.0%) | SwimRVA | 03/20/2026 | 2026 SwimRVA Clover Cup | |
| 433 | Yifan Liu | 41.86 | 9 | A Min | AA: 40.19 (+1.67s | 4.0%) | Mei\\\\\\'s Typhoons Swimming Club | 06/06/2026 | 2026 NE NSSC June Invitational @ SJP | |
| 434 | Winston Du | 41.86 | 10 | A Min | AA: 40.19 (+1.67s | 4.0%) | Aquajets Swim Team | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 435 | Quentin Lin | 41.87 | 9 | A Min | AA: 40.19 (+1.68s | 4.0%) | Eastern Nassau Aquatic Club | 11/28/2025 | 2025 MR LIE Thanksgiving Invitational | |
| 436 | Eli Lawson | 41.88 | 9 | A Min | AA: 40.19 (+1.69s | 4.0%) | Dolphin Aquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 437 | Graham Messink | 41.90 | 10 | A Min | AA: 40.19 (+1.71s | 4.1%) | Egra Waves | 12/05/2025 | EGRA 2025 Winter Washout | |
| 438 | Kian Bahmani | 41.90 | 10 | A Min | AA: 40.19 (+1.71s | 4.1%) | Rockville Montgomery Swim Club | 12/11/2025 | 2025 Riley Eaton Holiday Invitational | |
| 439 | Santiago Diaz | 41.91 | 9 | A Min | AA: 40.19 (+1.72s | 4.1%) | Rockville Montgomery Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 440 | Koa Tejwani | 41.92 | 9 | A Min | AA: 40.19 (+1.73s | 4.1%) | Jcc Waves | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 441 | Cole Cinadr | 41.92 | 10 | A Min | AA: 40.19 (+1.73s | 4.1%) | Hudson Explorer Aquatic | 03/12/2026 | 2026 OH SC Junior Championships | |
| 442 | Ryder Carsey | 41.93 | 10 | A Min | AA: 40.19 (+1.74s | 4.1%) | Greater Toledo Aquatic Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 443 | Mason Wong | 41.93 | 10 | A Min | AA: 40.19 (+1.74s | 4.1%) | Cavalier Aquatics/Piedmont Fam | 02/27/2026 | 2026 SW District Champs 9 Over | |
| 444 | William Martzke | 41.94 | 10 | A Min | AA: 40.19 (+1.75s | 4.2%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 02/27/2026 | 2026 Junior Cup | |
| 445 | Maddox Jordan | 41.94 | 10 | A Min | AA: 40.19 (+1.75s | 4.2%) | Prime Aquatics | 01/16/2026 | 2026 TNAQ JANUARY INVITATIONAL | |
| 446 | Christian Oh | 41.95 | 9 | A Min | AA: 40.19 (+1.76s | 4.2%) | Asphalt Green Unified Aquatics | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 447 | Jeffrey Crouse | 41.96 | 10 | A Min | AA: 40.19 (+1.77s | 4.2%) | Livermore AquaCowboys | 07/25/2026 | Zone 2 Summer Championships | |
| 448 | Hamilton Holliday | 41.96 | 10 | A Min | AA: 40.19 (+1.77s | 4.2%) | Huntsville Swim Association | 02/27/2026 | 2026 SE Southeastern Winter SC Championships | |
| 449 | Timur Kochmar | 41.97 | 9 | A Min | AA: 40.19 (+1.78s | 4.2%) | SwimRight Team | 06/06/2026 | NMST June Invite 26 | |
| 450 | Andrew Pappageorge | 41.97 | 10 | A Min | AA: 40.19 (+1.78s | 4.2%) | Herndon Aquatic Club | 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.