USA Boys 10 & under - 50 M 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 351 | Caleb Lee | 47.82 | 10 | A Min | AA: 45.79 (+2.03s | 4.2%) | Nova of Virginia | 06/11/2026 | NOVA 2026 Virginia Commonwealth Games | |
| 352 | Elliott Ganancial | 47.83 | 10 | A Min | AA: 45.79 (+2.04s | 4.3%) | Hawaii Swimming Club | 07/03/2026 | 2026 Keo Nakama Swim Meet | |
| 353 | Max Chao | 47.84 | 9 | A Min | AA: 45.79 (+2.05s | 4.3%) | Tac Titans | 05/15/2026 | 2026 TAC TITANS Spring Fling Meet | |
| 354 | Alexander Jin | 47.85 | 10 | A Min | AA: 45.79 (+2.06s | 4.3%) | Csp Tideriders | 04/17/2026 | 2026 METS Long Course Kickoff | |
| 355 | Kristian Efimov | 47.86 | 10 | A Min | AA: 45.79 (+2.07s | 4.3%) | Bravo Swim Team | 06/19/2026 | 2026 SoFlo Last Chance Summer Invite | |
| 356 | Kort Mignery | 47.86 | 10 | A Min | AA: 45.79 (+2.07s | 4.3%) | Powell Crosley YMCA | 06/17/2026 | Swim Fort Lauderdale Speedo Summer Classic 26 | |
| 357 | Alexander Kovnatsky | 47.90 | 10 | BB Min | A: 47.89 (+0.01s | 0.0%) | Los Angeles Swim Club | 07/25/2024 | 2024 CA SCS BREA Summer A G Champs | |
| 358 | Layton Groneck | 47.92 | 10 | BB Min | A: 47.89 (+0.03s | 0.1%) | Northern KY Clippers | 06/05/2026 | 25th Annual CLPR David Webb Meet | |
| 359 | Matthew Maris-Wolf | 47.94 | 10 | BB Min | A: 47.89 (+0.05s | 0.1%) | Williamsburg Aquatic Club | 04/17/2026 | NOVA Long Course Kick Off | |
| 360 | Walker Lewis | 47.96 | 10 | BB Min | A: 47.89 (+0.07s | 0.1%) | Excel Aquatics | 06/04/2026 | 2026 Beaman Toyota Firecracker Invite | |
| 361 | Jacob Bouchard | 47.96 | 10 | BB Min | A: 47.89 (+0.07s | 0.1%) | Nova of Virginia | 05/15/2026 | NOVA Spring Splash | |
| 362 | Ilay Fisher | 47.96 | 10 | BB Min | A: 47.89 (+0.07s | 0.1%) | Ccat Swimming | 06/11/2026 | 2026 SCS June AG Invite CANY | |
| 363 | Emmett Tourney | 47.97 | 10 | BB Min | A: 47.89 (+0.08s | 0.2%) | Red Wing Swim Club | 05/30/2026 | 2026 MN RSC Summer Jam | |
| 364 | Dylan sun | 47.99 | 10 | BB Min | A: 47.89 (+0.10s | 0.2%) | Brea Aquatics | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 365 | Cavan Clark | 47.99 | 10 | BB Min | A: 47.89 (+0.10s | 0.2%) | Uncle Sam Swim Team | 06/20/2026 | 2026 NE NSSC Invitational Springfield College | |
| 366 | David Shoer | 48.01 | 10 | BB Min | A: 47.89 (+0.12s | 0.2%) | Patriot Aquatics | 05/15/2026 | 2026 PA Long Course Invite | |
| 367 | Jeffrey Crouse | 48.02 | 10 | BB Min | A: 47.89 (+0.13s | 0.3%) | Livermore AquaCowboys | 06/13/2026 | PC CDST LC C B BB+ 26 074 | |
| 368 | Leo Lafferty | 48.02 | 10 | BB Min | A: 47.89 (+0.13s | 0.3%) | Westlake Aquatic Facility | 06/26/2026 | 2026 NEAT Long Course STX Championship | |
| 369 | Mateo Sison | 48.03 | 10 | BB Min | A: 47.89 (+0.14s | 0.3%) | San Ramon Valley Aquatics | 06/13/2026 | Orinda PC LC AG C B BB+ | |
| 370 | Duke Guo | 48.03 | 9 | BB Min | A: 47.89 (+0.14s | 0.3%) | McAllen Swim Club | 06/06/2026 | 2026 HPAC Sunshine Splash | |
| 371 | Owen McDonald | 48.04 | 10 | BB Min | A: 47.89 (+0.15s | 0.3%) | Houston Hydra | 06/05/2026 | 2026 ST SRG Arena Surge Shark Sizzler | |
| 372 | Vince Cho | 48.04 | 9 | BB Min | A: 47.89 (+0.15s | 0.3%) | Maywood Sparks Swim Team | 06/11/2026 | 2026 SCS June AG Invite CANY | |
| 373 | Samuel Leven | 48.05 | 10 | BB Min | A: 47.89 (+0.16s | 0.3%) | Unattached | 06/10/2026 | Splash Into Summer | |
| 374 | Akasion Sheppard | 48.06 | 10 | BB Min | A: 47.89 (+0.17s | 0.4%) | Kissimmee Swim Association | 06/05/2026 | 2026 Sunshine State Games | |
| 375 | Finley Brandt | 48.06 | 10 | BB Min | A: 47.89 (+0.17s | 0.4%) | Houston Hydra | 06/05/2026 | 2026 ST SRG Arena Surge Shark Sizzler | |
| 376 | Demitry Daniel | 48.07 | 10 | BB Min | A: 47.89 (+0.18s | 0.4%) | Canyons Aquatic Club | 06/11/2026 | 2026 SCS June AG Invite CANY | |
| 377 | Alonso Andrade | 48.07 | 10 | BB Min | A: 47.89 (+0.18s | 0.4%) | EL Paso Border Land Swim Team | 05/16/2026 | 2026 BD SWAT School S Out Summer Bash | |
| 378 | Ray Yu | 48.07 | 10 | BB Min | A: 47.89 (+0.18s | 0.4%) | Aquazot Swim Club | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 379 | Henry Chenier | 48.08 | 10 | BB Min | A: 47.89 (+0.19s | 0.4%) | Blues Aquatics Asheville | 05/15/2026 | 2026 NCAC Meet On The Hill | |
| 380 | Oliver Heale | 48.09 | 10 | BB Min | A: 47.89 (+0.20s | 0.4%) | Atlantic Coast Athletic Club | 06/11/2026 | NOVA 2026 Virginia Commonwealth Games | |
| 381 | Henri Simard | 48.10 | 10 | BB Min | A: 47.89 (+0.21s | 0.4%) | Swim Florida | 04/17/2026 | 2026 GCST Spring Open | |
| 382 | August Liao | 48.10 | 10 | BB Min | A: 47.89 (+0.21s | 0.4%) | Canyons Aquatic Club | 07/24/2025 | 2025 CA SCS Summer A G Champs CANY | |
| 383 | Jiyul Park | 48.10 | 8 | BB Min | A: 47.89 (+0.21s | 0.4%) | C.M. Gatton Beaumont YMCA | 05/15/2026 | Kentucky Aquatics Derby Classic | |
| 384 | Sawyer Heath | 48.11 | 10 | BB Min | A: 47.89 (+0.22s | 0.5%) | Greensboro Community YMCA | 06/12/2026 | 2026 GCY Sprint And Distance | |
| 385 | Jackson Macaluso | 48.12 | 10 | BB Min | A: 47.89 (+0.23s | 0.5%) | Tampa Elite Aquatics | 04/17/2026 | 2026 SAINT PETE S 1st LONG COURSE MEET | |
| 386 | Matvey Fadeev | 48.13 | 10 | BB Min | A: 47.89 (+0.24s | 0.5%) | Issaquah Swim Team | 05/16/2025 | 2025 PN IST Sockeye Springtime Madness | |
| 387 | Andrew GU | 48.14 | 10 | BB Min | A: 47.89 (+0.25s | 0.5%) | Rose Bowl Aquatics | 06/11/2026 | 2026 SCS June AG Invite CANY | |
| 388 | Elias Bailey | 48.14 | 10 | BB Min | A: 47.89 (+0.25s | 0.5%) | Raleigh Swimming Association | 06/26/2026 | 2026 MOR Long Course Qualifier | |
| 389 | YuBo Wang | 48.15 | 10 | BB Min | A: 47.89 (+0.26s | 0.5%) | Laker Swim | 05/15/2026 | 2026 FAST May Invite | |
| 390 | Nolan Robertson | 48.15 | 10 | BB Min | A: 47.89 (+0.26s | 0.5%) | Lakeside Swim Team | 05/15/2026 | 2026 Triton Summer Launch | |
| 391 | William Bradley | 48.16 | 9 | BB Min | A: 47.89 (+0.27s | 0.6%) | Nova of Virginia | 05/15/2026 | NOVA Spring Splash | |
| 392 | Aiden Huang | 48.16 | 10 | BB Min | A: 47.89 (+0.27s | 0.6%) | DeAnza Cupertino Aquatics | 06/12/2026 | 2026 DACA LC CBA Meet | |
| 393 | Chandler Lourie | 48.17 | 10 | BB Min | A: 47.89 (+0.28s | 0.6%) | Life Time Southeast Swim Team | 06/06/2026 | 2026 Jack Barnasastle Invitational | |
| 394 | Charles Tan | 48.18 | 10 | BB Min | A: 47.89 (+0.29s | 0.6%) | Eastside Aquatic Swim Team | 06/13/2026 | 2026 PN IST June Invtational Approved | |
| 395 | Tanner Sagen | 48.18 | 10 | BB Min | A: 47.89 (+0.29s | 0.6%) | Old North State Aquatics | 06/25/2026 | ONSA Independence Invitational Copied | |
| 396 | Oliver Klauke | 48.20 | 9 | BB Min | A: 47.89 (+0.31s | 0.6%) | Unattached | 06/26/2026 | 2026 MOR Long Course Qualifier | |
| 397 | Beau Nobles | 48.21 | 9 | BB Min | A: 47.89 (+0.32s | 0.7%) | Tnt Swimming | 06/05/2026 | 2026 GPAC Tom Lalor Invitational | |
| 398 | John Prosser | 48.21 | 10 | BB Min | A: 47.89 (+0.32s | 0.7%) | SwimRVA | 05/29/2026 | 2026 SwimRVA Success Bell | |
| 399 | Jeffrey Hill | 48.22 | 10 | BB Min | A: 47.89 (+0.33s | 0.7%) | Saint Andrew\\\\\\'s Aquatics | 06/17/2026 | Swim Fort Lauderdale Speedo Summer Classic 26 | |
| 400 | Ian Susanto | 48.22 | 9 | BB Min | A: 47.89 (+0.33s | 0.7%) | Legacy Aquatics | 11/01/2025 | Oregon City Fall Open 2025 | |
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.