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 | |
|---|---|---|---|---|---|---|---|---|---|
| 901 | 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 | |
| 902 | Kazuhiro Seto | 43.11 | 10 | BB Min | A: 42.09 (+1.02s | 2.4%) | Hauppauge Swimming | 01/16/2026 | 2026 MR LIE Winterfest Invitational | |
| 903 | 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 | |
| 904 | 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 | |
| 905 | 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 | |
| 906 | Nicholas Leonard | 43.13 | 10 | BB Min | A: 42.09 (+1.04s | 2.4%) | SwimMAC Carolina | 02/14/2026 | 2026 SwimMAC Qualifier Festival | |
| 907 | Robert Mello | 43.13 | 10 | BB Min | A: 42.09 (+1.04s | 2.4%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 908 | 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 | |
| 909 | Brian Chou | 43.13 | 9 | BB Min | A: 42.09 (+1.04s | 2.4%) | Irvine Novaquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 910 | Owen Rousseau | 43.14 | 10 | BB Min | A: 42.09 (+1.05s | 2.4%) | Black Marlins Swim Team | 03/26/2026 | Destination Athlete Centennial Invite 2026 | |
| 911 | Cayden McLaughlin | 43.14 | 10 | BB Min | A: 42.09 (+1.05s | 2.4%) | Patriot Swim Club | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 912 | Timothy Acchione | 43.14 | 10 | BB Min | A: 42.09 (+1.05s | 2.4%) | Loyola Blakefield Aquatics | 10/03/2025 | 2025 Aimee McCormick Turrall Memorial Meet | |
| 913 | Oliver Baird | 43.15 | 10 | BB Min | A: 42.09 (+1.06s | 2.5%) | Gaston Gators | 03/20/2026 | 2026 BRSL Championships | |
| 914 | 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 | |
| 915 | 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 | |
| 916 | Everett Iszard | 43.15 | 10 | BB Min | A: 42.09 (+1.06s | 2.5%) | Nation\\\\\\'s Capital Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 917 | 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 | |
| 918 | 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 | |
| 919 | 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 | |
| 920 | 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 | |
| 921 | 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 | |
| 922 | 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 | |
| 923 | Dylan Tian | 43.18 | 8 | BB Min | A: 42.09 (+1.09s | 2.5%) | Santa Clara Swim Club | 03/28/2026 | Swim South Bay | |
| 924 | 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 | |
| 925 | Jake Awalt | 43.18 | 10 | BB Min | A: 42.09 (+1.09s | 2.5%) | Highlander Aquatic Club | 03/05/2026 | 2026 Florida Swimming FLAGS NORTH | |
| 926 | Brandt Dunlap | 43.18 | 10 | BB Min | A: 42.09 (+1.09s | 2.5%) | Naval Academy Aquatic Club | 03/05/2026 | 2026 MD LSC 14 U Championships | |
| 927 | 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 | |
| 928 | 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 | |
| 929 | Benjamin Thilking | 43.19 | 10 | BB Min | A: 42.09 (+1.10s | 2.5%) | Bedford Barracudas | 03/07/2026 | PYSA Champs 2026 | |
| 930 | 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 | |
| 931 | Zach Shao | 43.20 | 10 | BB Min | A: 42.09 (+1.11s | 2.6%) | Bolles School Sharks | 03/05/2026 | 2026 Florida Swimming FLAGS NORTH | |
| 932 | 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 | |
| 933 | Jayden Zhu | 43.20 | 10 | BB Min | A: 42.09 (+1.11s | 2.6%) | Otter Swim Club | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 934 | 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 | |
| 935 | 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 | |
| 936 | 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 | |
| 937 | Jacob Bouchard | 43.21 | 10 | BB Min | A: 42.09 (+1.12s | 2.6%) | Nova of Virginia | 12/12/2025 | 2025 HVAC Winterfest Invitational | |
| 938 | Landon Angle | 43.22 | 10 | BB Min | A: 42.09 (+1.13s | 2.6%) | Oly Swimming | 02/27/2026 | 2026 MCSA Junior Cup | |
| 939 | 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 | |
| 940 | Duke Layco | 43.22 | 10 | BB Min | A: 42.09 (+1.13s | 2.6%) | Hawaii Swimming Club | 02/13/2026 | 34th Annual Lost Dutchman Invitational | |
| 941 | 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 | |
| 942 | Elliott Ganancial | 43.24 | 10 | BB Min | A: 42.09 (+1.15s | 2.7%) | Aloha Aquatics Association | 11/09/2025 | OSL A+ SCY Meet | |
| 943 | Austin Mitchell | 43.24 | 10 | BB Min | A: 42.09 (+1.15s | 2.7%) | Valley Aquatics | 02/13/2026 | 34th Annual Lost Dutchman Invitational | |
| 944 | Marcus Pass | 43.24 | 9 | BB Min | A: 42.09 (+1.15s | 2.7%) | Sioux Falls Swim Team | 10/25/2025 | SD SFST Swim Series Meet #2 | |
| 945 | Ethan Vasilescu | 43.24 | 10 | BB Min | A: 42.09 (+1.15s | 2.7%) | All Star Aquatics | 03/20/2026 | March Madness 2026 | |
| 946 | Louis Yu | 43.25 | 8 | BB Min | A: 42.09 (+1.16s | 2.7%) | Santa Clara Swim Club | 02/28/2026 | Swim South Bay | |
| 947 | Nicholas Medina | 43.25 | 9 | BB Min | A: 42.09 (+1.16s | 2.7%) | Laker Swim | 03/05/2026 | 2026 Florida Swimming FLAGS NORTH | |
| 948 | 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+ | |
| 949 | 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 | |
| 950 | Wesley Zhang | 43.27 | 10 | BB Min | A: 42.09 (+1.18s | 2.7%) | Santa Clara Swim Club | 02/07/2026 | Valley Splash Short Course C B A Meet | |
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.