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 | |
|---|---|---|---|---|---|---|---|---|---|
| 451 | Jakob Clements | 48.56 | 9 | BB Min | A: 47.89 (+0.67s | 1.4%) | Chawp | 07/23/2026 | 2026 CA SCS Summer A G Champs | |
| 452 | Alexander Hammerschmidt | 48.56 | 10 | BB Min | A: 47.89 (+0.67s | 1.4%) | The Western Mass Aquadogs | 06/26/2026 | 2026 NE SUN Summer Solstice | |
| 453 | Logan Yip | 48.56 | 10 | BB Min | A: 47.89 (+0.67s | 1.4%) | South San Francisco Aquatics | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | |
| 454 | John Baker | 48.57 | 10 | BB Min | A: 47.89 (+0.68s | 1.4%) | Hinsdale Swim Club | 06/26/2026 | 2026 SE Richard Quick Invitational | |
| 455 | Jaden Dao | 48.57 | 9 | BB Min | A: 47.89 (+0.68s | 1.4%) | Dare Aquatics | 07/23/2026 | 2026 CA SCS RAA Summer A G Champs Copied | |
| 456 | Liam Laughton | 48.58 | 10 | BB Min | A: 47.89 (+0.69s | 1.4%) | Eagle Swim Team Inc. | 07/24/2026 | 2026 Maryland Long Course Junior Championship | |
| 457 | Zachariah Cornine | 48.58 | 10 | BB Min | A: 47.89 (+0.69s | 1.4%) | South Lake Aquatic Club | 04/25/2026 | 11th Annual Hohne Memorial Invitational | |
| 458 | Marcus Burger | 48.60 | 10 | BB Min | A: 47.89 (+0.71s | 1.5%) | SwimMAC Carolina | 06/19/2026 | GSA 70th Annual Eastern Invitational | |
| 459 | Owen Bronson | 48.60 | 10 | BB Min | A: 47.89 (+0.71s | 1.5%) | Legacy Aquatics | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 460 | George Li | 48.61 | 9 | BB Min | A: 47.89 (+0.72s | 1.5%) | Bellevue Club Swim Team | 07/23/2026 | 2026 PN 12 U Long Course Championships Appro | |
| 461 | Mason Stout | 48.63 | 10 | BB Min | A: 47.89 (+0.74s | 1.5%) | Foxjets Swim Team | 05/02/2026 | 2026 MN RSC Pentathlon | |
| 462 | Daniel Chang | 48.64 | 9 | BB Min | A: 47.89 (+0.75s | 1.5%) | Brea Aquatics | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 463 | Benjamin Leger | 48.65 | 10 | BB Min | A: 47.89 (+0.76s | 1.6%) | Firefish Aquatics | 06/19/2026 | 2026 Firefish June Jam | |
| 464 | Henry Ims | 48.65 | 10 | BB Min | A: 47.89 (+0.76s | 1.6%) | Cincinnati Aquatic Club | 07/23/2026 | 2026 OH LC Junior Championships | |
| 465 | Gustavo Granados | 48.68 | 9 | BB Min | A: 47.89 (+0.79s | 1.6%) | Fenix Swim Club | 05/22/2026 | 2026 Doral Swim Club LCM Spring Invite | |
| 466 | Conall Barrett | 48.69 | 9 | BB Min | A: 47.89 (+0.80s | 1.6%) | Upper Valley Aquatic Club | 07/17/2026 | 2026 NE MST ESC LCM 12 Under Championship | |
| 467 | Shaan Chenam | 48.69 | 9 | BB Min | A: 47.89 (+0.80s | 1.6%) | Aquazot Swim Club | 07/23/2026 | 2026 CA SCS Summer A G Champs | |
| 468 | DongHyuk Kang | 48.74 | 9 | BB Min | A: 47.89 (+0.85s | 1.7%) | SwimMAC Carolina | 07/24/2026 | 2026 NC SwimMAC LC Summer Sun Sational | |
| 469 | Nathan Applegate | 48.74 | 10 | BB Min | A: 47.89 (+0.85s | 1.7%) | Unattached | 08/05/2026 | 2026 Western Zone Age Group Championships | |
| 470 | Roman Sillas | 48.74 | 10 | BB Min | A: 47.89 (+0.85s | 1.7%) | Rose Bowl Aquatics | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 471 | Rowan Sargent | 48.74 | 9 | BB Min | A: 47.89 (+0.85s | 1.7%) | Flatiron Athletic Club | 04/24/2026 | 2026 CO Steve Drozda LC Shotgun | |
| 472 | Carter Gray | 48.75 | 10 | BB Min | A: 47.89 (+0.86s | 1.8%) | Cleveland Aquatics | 07/17/2026 | 2026 SE Southeastern Summer LC Championships | |
| 473 | Rayce Shirey | 48.76 | 10 | BB Min | A: 47.89 (+0.87s | 1.8%) | Shoals Aquatic Club | 07/17/2026 | 2026 SE Southeastern Summer LC Championships | |
| 474 | Leonard Jaime Martinez | 48.77 | 10 | BB Min | A: 47.89 (+0.88s | 1.8%) | Hialeah Swim Club | 07/10/2026 | 2026 FG LCM BB Champs South | |
| 475 | Paul Kohler | 48.77 | 9 | BB Min | A: 47.89 (+0.88s | 1.8%) | Georgetown-Scott County Supers | 07/16/2026 | 2026 Kentucky Swimming LC Championship 2 Co | |
| 476 | Luka McGrath | 48.78 | 10 | BB Min | A: 47.89 (+0.89s | 1.8%) | Multnomah Athletic Club | 07/04/2026 | Pendleton Open 2026 | |
| 477 | Levi Palmer | 48.80 | 10 | BB Min | A: 47.89 (+0.91s | 1.9%) | Nocatee Bluetide Swim Team | 04/10/2026 | 2026 April Classic | |
| 478 | Tristan Virone | 48.80 | 10 | BB Min | A: 47.89 (+0.91s | 1.9%) | Huntsville Swim Association | 05/16/2026 | NAC LC May Classic | |
| 479 | Rett Rust | 48.81 | 9 | BB Min | A: 47.89 (+0.92s | 1.9%) | Lakeside Swim Team | 07/16/2026 | 2026 Kentucky Swimming LC Championship 2 Co | |
| 480 | Leon Yan | 48.83 | 9 | BB Min | A: 47.89 (+0.94s | 1.9%) | Waterloo Swimming | 07/09/2026 | 2026 ST NIST LC STAGS | |
| 481 | Nicholas Leonard | 48.86 | 10 | BB Min | A: 47.89 (+0.97s | 2.0%) | SwimMAC Carolina | 06/19/2026 | GSA 70th Annual Eastern Invitational | |
| 482 | Tyler Morris | 48.89 | 10 | BB Min | A: 47.89 (+1.00s | 2.0%) | North Lexington YMCA | 07/16/2026 | 2026 Kentucky Swimming LC Championship 2 Co | |
| 483 | Luke Chaikriangkrai | 48.89 | 10 | BB Min | A: 47.89 (+1.00s | 2.0%) | Pro Swimming | 07/23/2026 | 2026 PN 12 U Long Course Championships Appro | |
| 484 | Preston Mathis | 48.90 | 10 | BB Min | A: 47.89 (+1.01s | 2.1%) | Seahawks Swim Team | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 485 | Michael Laurence | 48.91 | 9 | BB Min | A: 47.89 (+1.02s | 2.1%) | Gulliver Swim Club | 05/01/2026 | Jesse Vasallo Swimming Invitational | |
| 486 | Cameron Watrous | 48.93 | 9 | BB Min | A: 47.89 (+1.04s | 2.1%) | Bellevue Club Swim Team | 07/23/2026 | 2026 PN 12 U Long Course Championships Appro | |
| 487 | Samuel Holmes | 48.94 | 9 | BB Min | A: 47.89 (+1.05s | 2.1%) | Lowes YMCA Lightning Swim Team | 06/26/2026 | 2026 USRY LC Championships | |
| 488 | Clive Dallahan | 48.95 | 10 | BB Min | A: 47.89 (+1.06s | 2.2%) | Beach Cities Alpha | 07/23/2026 | 2026 CA SCS Summer A G Champs | |
| 489 | Milo Radis | 48.95 | 10 | BB Min | A: 47.89 (+1.06s | 2.2%) | The Spartans of La Canada | 06/11/2026 | 2026 SCS June AG Invite | |
| 490 | Zachary Zourdos | 48.96 | 10 | BB Min | A: 47.89 (+1.07s | 2.2%) | SwimFast | 07/10/2026 | 2026 FG LCM BB Champs South | |
| 491 | Yunjae Jeong | 48.97 | 8 | BB Min | A: 47.89 (+1.08s | 2.2%) | Jersey Aquatic Club | 07/23/2026 | 2026 NJ Swim LC Gold Championships | |
| 492 | Benjamin Herrera | 48.97 | 10 | BB Min | A: 47.89 (+1.08s | 2.2%) | Crimson Aquatics | 05/30/2026 | 2026 NE RIAC Sail Away On The Ferry | |
| 493 | Alvaro Hernandez | 48.99 | 10 | BB Min | A: 47.89 (+1.10s | 2.2%) | YMCA of Northwest North Caroli | 06/25/2026 | ONSA Independence Invitational Copied | |
| 494 | Jameson Nelson | 48.99 | 10 | BB Min | A: 47.89 (+1.10s | 2.2%) | Scarlet Aquatics | 07/05/2026 | 2026 Scarlet Summer Luau | |
| 495 | Connor Finlayson | 48.99 | 9 | BB Min | A: 47.89 (+1.10s | 2.2%) | Annapolis Swim Club | 07/29/2026 | 2026 MD LSC LC Championship | |
| 496 | Nicholas Brumaru | 49.02 | 10 | BB Min | A: 47.89 (+1.13s | 2.3%) | Olympic Cascade Aquatics | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 497 | Julien Pied | 49.02 | 10 | BB Min | A: 47.89 (+1.13s | 2.3%) | Front Range Barracudas | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 498 | Dalton Gonzalez | 49.02 | 10 | BB Min | A: 47.89 (+1.13s | 2.3%) | Nitro Swimming | 05/30/2026 | 2026 ST NTRO LC May Splashdown | |
| 499 | Oliver Klauke | 49.03 | 9 | BB Min | A: 47.89 (+1.14s | 2.3%) | Unattached | 06/12/2026 | 2026 SwimRVA Summer Invitational | |
| 500 | Lucas Shi | 49.04 | 10 | BB Min | A: 47.89 (+1.15s | 2.3%) | Dynamo Swim Club | 06/26/2026 | 2026 HSA June 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.