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 | |
|---|---|---|---|---|---|---|---|---|---|
| 701 | Matias Cardona | 43.07 | 10 | BB Min | A: 42.09 (+0.98s | 2.3%) | SwimFast | 11/01/2025 | Piranhas Turkey Classic 2025 | |
| 702 | Luke VanWoerkom | 43.10 | 10 | BB Min | A: 42.09 (+1.01s | 2.3%) | Byron Center Aquatics | 02/07/2026 | 2026 Grand Rapids Open | |
| 703 | Kristian Efimov | 43.10 | 10 | BB Min | A: 42.09 (+1.01s | 2.3%) | Bravo Swim Team | 02/20/2026 | 2026 FG SCY BB Championships SOUTH | |
| 704 | Charles Tan | 43.10 | 10 | BB Min | A: 42.09 (+1.01s | 2.3%) | Eastside Aquatic Swim Team | 06/19/2026 | 2026 PN SRST Summer Invitational Approved | |
| 705 | Benjamin Danon | 43.11 | 10 | BB Min | A: 42.09 (+1.02s | 2.4%) | 92ny Flying Dolphins | 12/11/2025 | 2025 NE CRA Winter Invitational | |
| 706 | Joshua Margolius | 43.11 | 9 | BB Min | A: 42.09 (+1.02s | 2.4%) | Rivertown Aquatics | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 707 | James DeKlotz | 43.11 | 9 | BB Min | A: 42.09 (+1.02s | 2.4%) | Nation\\\\\\'s Capital Swim Club | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 708 | Kazuhiro Seto | 43.11 | 10 | BB Min | A: 42.09 (+1.02s | 2.4%) | Hauppauge Swimming | 01/16/2026 | 2026 MR LIE Winterfest Invitational | |
| 709 | Aidan Campbell | 43.12 | 9 | BB Min | A: 42.09 (+1.03s | 2.4%) | Loyola Blakefield Aquatics | 03/05/2026 | 2026 MD LSC 14 U Championships | |
| 710 | Peter Scott | 43.13 | 5 | BB Min | A: 42.09 (+1.04s | 2.4%) | Sleepy Hollow | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | |
| 711 | Jackson Macaluso | 43.13 | 10 | BB Min | A: 42.09 (+1.04s | 2.4%) | Tampa Elite Aquatics | 12/05/2025 | 2025 Speedo Gator Holiday Classic | |
| 712 | Finn Meyer | 43.13 | 10 | BB Min | A: 42.09 (+1.04s | 2.4%) | Westbrook Seals | 05/16/2026 | 2026 NE Seal Summer Sprint Meet | |
| 713 | Nicholas Leonard | 43.13 | 10 | BB Min | A: 42.09 (+1.04s | 2.4%) | SwimMAC Carolina | 02/14/2026 | 2026 SwimMAC Qualifier Festival | |
| 714 | Thomas Hummel | 43.13 | 10 | BB Min | A: 42.09 (+1.04s | 2.4%) | Hillsborough Aquatic Club | 10/11/2025 | 2025 CAT Rock The Block | |
| 715 | Robert Mello | 43.13 | 10 | BB Min | A: 42.09 (+1.04s | 2.4%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 716 | Brian Chou | 43.13 | 9 | BB Min | A: 42.09 (+1.04s | 2.4%) | Irvine Novaquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 717 | Alexander Wu | 43.15 | 10 | BB Min | A: 42.09 (+1.06s | 2.5%) | Rockville Montgomery Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 718 | Jayan Naik | 43.15 | 10 | BB Min | A: 42.09 (+1.06s | 2.5%) | Capital of Texas Aquatics | 12/12/2025 | 2025 ST AAAA NS Winter Wonderland | |
| 719 | Paxton Marvray | 43.15 | 10 | BB Min | A: 42.09 (+1.06s | 2.5%) | Sawtooth Aquatic Club | 12/20/2025 | 2025 BY Candy Cane Invitational | |
| 720 | Anderson Cox | 43.17 | 10 | BB Min | A: 42.09 (+1.08s | 2.5%) | Lynchburg YMCA Swim Team | 02/27/2026 | 2026 SW District Champs 9 Over | |
| 721 | James Marsh | 43.17 | 10 | BB Min | A: 42.09 (+1.08s | 2.5%) | Lifetime Swim Team North Carol | 10/24/2025 | 2025 CAT Trick Or Treat Meet | |
| 722 | Maochen Tan | 43.17 | 10 | BB Min | A: 42.09 (+1.08s | 2.5%) | Mission Viejo Nadadores | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 723 | Alex Liu | 43.17 | 10 | BB Min | A: 42.09 (+1.08s | 2.5%) | Anglerfish Aquatics | 11/14/2025 | 2025 NECRA Nov Distance Specialty Meet Co | |
| 724 | Luke Chai | 43.17 | 9 | BB Min | A: 42.09 (+1.08s | 2.5%) | Pleasanton Seahawks | 03/28/2026 | PC CDST SC C B BB+ Meet | |
| 725 | Dylan Tian | 43.18 | 8 | BB Min | A: 42.09 (+1.09s | 2.5%) | Santa Clara Swim Club | 03/28/2026 | Swim South Bay | |
| 726 | Max Alred | 43.18 | 9 | BB Min | A: 42.09 (+1.09s | 2.5%) | Marshall County Swim Club | 02/27/2026 | 2026 SE Southeastern Winter SC Championships | |
| 727 | Matthew Dolan | 43.18 | 10 | BB Min | A: 42.09 (+1.09s | 2.5%) | Life Time Mid Atlantic Swim Te | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 728 | Ren Yu | 43.19 | 10 | BB Min | A: 42.09 (+1.10s | 2.5%) | Asphalt Green Unified Aquatics | 03/07/2026 | 2026 MR AGUA Last Chance Invitational | |
| 729 | Benjamin Thilking | 43.19 | 10 | BB Min | A: 42.09 (+1.10s | 2.5%) | Bedford Barracudas | 03/07/2026 | PYSA Champs 2026 | |
| 730 | Oliver Heale | 43.19 | 10 | BB Min | A: 42.09 (+1.10s | 2.5%) | Atlantic Coast Athletic Club | 02/27/2026 | 2026 SW District Champs 9 Over | |
| 731 | Nathan Selinger | 43.20 | 10 | BB Min | A: 42.09 (+1.11s | 2.6%) | Minnetonka Swim Club | 01/30/2026 | 2026 MN MTKA TYR Team Challenge | |
| 732 | Matteo Castro-Munoz | 43.20 | 10 | BB Min | A: 42.09 (+1.11s | 2.6%) | Quince Orchard Swim Academy | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 733 | Logan Snodgrass | 43.21 | 10 | BB Min | A: 42.09 (+1.12s | 2.6%) | Denver Swim Academy | 02/14/2026 | 2026 CO ACES Winter Open | |
| 734 | Lichen Chi | 43.21 | 9 | BB Min | A: 42.09 (+1.12s | 2.6%) | Tualatin Hills Swim Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 735 | Dany Burhanov | 43.21 | 10 | BB Min | A: 42.09 (+1.12s | 2.6%) | Swim Fort Lauderdale | 04/18/2026 | SoFlo 12 Under Spring Invitational | |
| 736 | Jacob Bouchard | 43.21 | 10 | BB Min | A: 42.09 (+1.12s | 2.6%) | Nova of Virginia | 12/12/2025 | 2025 HVAC Winterfest Invitational | |
| 737 | Landon Angle | 43.22 | 10 | BB Min | A: 42.09 (+1.13s | 2.6%) | Oly Swimming | 02/27/2026 | 2026 MCSA Junior Cup | |
| 738 | Aaron Luswata | 43.22 | 10 | BB Min | A: 42.09 (+1.13s | 2.6%) | Cypress Fairbanks Swim Club | 01/31/2025 | 2025 Fleet Mardi Gras | |
| 739 | Mason Liu | 43.23 | 10 | BB Min | A: 42.09 (+1.14s | 2.6%) | Trident Aquatic Club | 01/16/2026 | GSA January Jump Start 2026 | |
| 740 | Austin Mitchell | 43.24 | 10 | BB Min | A: 42.09 (+1.15s | 2.7%) | Valley Aquatics | 02/13/2026 | 34th Annual Lost Dutchman Invitational | |
| 741 | Ethan Vasilescu | 43.24 | 10 | BB Min | A: 42.09 (+1.15s | 2.7%) | All Star Aquatics | 03/20/2026 | March Madness 2026 | |
| 742 | Louis Yu | 43.25 | 8 | BB Min | A: 42.09 (+1.16s | 2.7%) | Santa Clara Swim Club | 02/28/2026 | Swim South Bay | |
| 743 | Nicholas Medina | 43.25 | 9 | BB Min | A: 42.09 (+1.16s | 2.7%) | Laker Swim | 03/05/2026 | 2026 Florida Swimming FLAGS NORTH | |
| 744 | Eddie Bi | 43.26 | 9 | BB Min | A: 42.09 (+1.17s | 2.7%) | California Dolphins Swim Team | 03/07/2026 | SRVA Last Chance Meet B BB+ | |
| 745 | Caleb Harrison | 43.26 | 10 | BB Min | A: 42.09 (+1.17s | 2.7%) | Huntsville Swim Association | 02/27/2026 | 2026 SE Southeastern Winter SC Championships | |
| 746 | Rafael Parlato | 43.28 | 10 | BB Min | A: 42.09 (+1.19s | 2.7%) | Fenix Swim Club | 06/06/2026 | NMST June Invite 26 | |
| 747 | Nikolas Van Halen | 43.28 | 10 | BB Min | A: 42.09 (+1.19s | 2.7%) | Swim Florida | 01/16/2026 | 2026 T2 Aquatics Naples Open | |
| 748 | Brayden Li | 43.29 | 9 | BB Min | A: 42.09 (+1.20s | 2.8%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 749 | Brayden Herbert | 43.29 | 10 | BB Min | A: 42.09 (+1.20s | 2.8%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 750 | Henry Moore | 43.29 | 10 | BB Min | A: 42.09 (+1.20s | 2.8%) | Ladera Oaks | 03/28/2026 | Alto Rock The Blocks Invitational 2026 | |
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.