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 | Penghao Yu | 44.04 | 10 | BB Min | A: 42.09 (+1.95s | 4.4%) | Palo Alto Stanford Aquatics | 03/07/2026 | 2026 PASA Last Chance For JO S | |
| 902 | Lucas Putman | 44.05 | 10 | BB Min | A: 42.09 (+1.96s | 4.4%) | Frederick Area Swim Team | 03/13/2026 | 2026 Speedo Maryland Junior Championship Si | |
| 903 | Louis Choi | 44.05 | 9 | BB Min | A: 42.09 (+1.96s | 4.4%) | Saline Swim Team | 11/21/2025 | 2025 SST Fall Classic | |
| 904 | Vinh Bui | 44.05 | 10 | BB Min | A: 42.09 (+1.96s | 4.4%) | Excel Aquatics | 02/27/2026 | 2026 SE Southeastern Winter SC Championships | |
| 905 | Anthony Baran | 44.05 | 10 | BB Min | A: 42.09 (+1.96s | 4.4%) | Suburban Aquatics | 03/20/2026 | 26th Annual Spring Championships | |
| 906 | Dominic Domingues | 44.05 | 10 | BB Min | A: 42.09 (+1.96s | 4.4%) | Rima United | 11/14/2025 | 2025 NE KING CAC Fall Invite Copied | |
| 907 | Caleb Wong | 44.06 | 9 | BB Min | A: 42.09 (+1.97s | 4.5%) | Harbor Seals | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 908 | Easton Minervini | 44.07 | 9 | BB Min | A: 42.09 (+1.98s | 4.5%) | Southwest Stars Swim Club | 03/05/2026 | 2026 Florida Swimming FLAGS NORTH | |
| 909 | Aiden Chung | 44.08 | 10 | BB Min | A: 42.09 (+1.99s | 4.5%) | Patriot Swim Club | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 910 | Parker Koke | 44.09 | 10 | BB Min | A: 42.09 (+2.00s | 4.5%) | Csp Tideriders | 02/27/2026 | Ozark Division I Championship | |
| 911 | Henry Ims | 44.09 | 10 | BB Min | A: 42.09 (+2.00s | 4.5%) | Cincinnati Aquatic Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 912 | Peter Enberg | 44.09 | 9 | BB Min | A: 42.09 (+2.00s | 4.5%) | Raleigh Swimming Association | 03/26/2026 | 2026 NCAC Spring Tar Heel States Copied | |
| 913 | Padraig Loughlin | 44.09 | 10 | BB Min | A: 42.09 (+2.00s | 4.5%) | Grosse Pointe Gators | 03/07/2026 | 2026 Lake Erie Regional Meet | |
| 914 | Koki Tsujiuchi | 44.10 | 10 | BB Min | A: 42.09 (+2.01s | 4.6%) | Huntsville Swim Association | 01/16/2026 | 2026 HSA TYR Invitational | |
| 915 | Elliott Lindley | 44.10 | 9 | BB Min | A: 42.09 (+2.01s | 4.6%) | Los Altos Mountain View Aquati | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 916 | Nicholas Blakey | 44.10 | 10 | BB Min | A: 42.09 (+2.01s | 4.6%) | Hockomock Area YMCA Lightning | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 917 | Carson Swift | 44.11 | 10 | BB Min | A: 42.09 (+2.02s | 4.6%) | Nitro Swimming | 02/06/2026 | 2026 ST AQTX STX Champs North | |
| 918 | Micah Balmaceda | 44.11 | 10 | BB Min | A: 42.09 (+2.02s | 4.6%) | Commonwealth Swimming | 11/21/2025 | 2025 NE ABF Nov Trials And Final Meet | |
| 919 | William Martzke | 44.11 | 10 | BB Min | A: 42.09 (+2.02s | 4.6%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 11/22/2025 | 2025 Royal Fall Cup | |
| 920 | Derek Nichols | 44.12 | 9 | BB Min | A: 42.09 (+2.03s | 4.6%) | Alamo Area Aquatic Association | 12/12/2025 | 2025 ST AAAA NS Winter Wonderland | |
| 921 | Henry Nesheim | 44.12 | 9 | BB Min | A: 42.09 (+2.03s | 4.6%) | Macedonia Manta Rays | 03/12/2026 | 2026 OH SC Junior Championships | |
| 922 | Jordan McLean | 44.12 | 10 | BB Min | A: 42.09 (+2.03s | 4.6%) | Machine Aquatics | 02/13/2026 | 39th Black History Swim Meet | |
| 923 | Rayce Shirey | 44.12 | 9 | BB Min | A: 42.09 (+2.03s | 4.6%) | Shoals Aquatic Club | 02/27/2026 | 2026 SE Southeastern Winter SC Championships | |
| 924 | Seth Benton | 44.12 | 10 | BB Min | A: 42.09 (+2.03s | 4.6%) | SwimRVA | 01/16/2026 | GSA January Jump Start 2026 | |
| 925 | Will Knueven | 44.12 | 9 | BB Min | A: 42.09 (+2.03s | 4.6%) | Mariemont Ohio Swim Team | 03/12/2026 | 2026 OH SC Junior Championships | |
| 926 | Hunter Wilson | 44.13 | 9 | BB Min | A: 42.09 (+2.04s | 4.6%) | Kamehameha Swim Club | 04/18/2026 | 44th Annual Harry Mamizuka Invitational | |
| 927 | Mick Resnick | 44.13 | 10 | BB Min | A: 42.09 (+2.04s | 4.6%) | The St. James Swim Club | 03/21/2026 | 2026 MAKO SPRING FLING | |
| 928 | Van Yetter | 44.14 | 10 | BB Min | A: 42.09 (+2.05s | 4.6%) | T2 Aquatics | 02/07/2026 | 2026 GCST WINTER OPEN | |
| 929 | Flint Wright | 44.15 | 10 | BB Min | A: 42.09 (+2.06s | 4.7%) | SwimFast | 02/20/2026 | 2026 FG SCY BB Championships SOUTH | |
| 930 | Santiago Diaz | 44.16 | 9 | BB Min | A: 42.09 (+2.07s | 4.7%) | Rockville Montgomery Swim Club | 11/14/2025 | 2025 RMSC November Dual Meet | |
| 931 | Joel Bardeen | 44.17 | 10 | BB Min | A: 42.09 (+2.08s | 4.7%) | Marlins Of Raleigh | 03/14/2026 | 2026 MOR Reagan Martin Rocks Swim Meet | |
| 932 | Evan McGuire | 44.17 | 10 | BB Min | A: 42.09 (+2.08s | 4.7%) | Aquatex Swim & Water Polo Team | 02/06/2026 | 2026 ST AQTX STX Champs North | |
| 933 | Samuel Fuerstneau | 44.18 | 10 | BB Min | A: 42.09 (+2.09s | 4.7%) | Edina Swim Club | 02/13/2026 | 2026 MN RSC President S Day Meet | |
| 934 | Elias Montelongo Campos | 44.18 | 10 | BB Min | A: 42.09 (+2.09s | 4.7%) | Crimson Aquatics | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 935 | Hardy Dietrich | 44.19 | 10 | BB Min | A: 42.09 (+2.10s | 4.8%) | Prince William Swim Club | 02/13/2026 | 2026 Northern District 12 Under Championship | |
| 936 | Luca Strohkirch | 44.19 | 10 | BB Min | A: 42.09 (+2.10s | 4.8%) | Atlantis Swimming | 02/27/2026 | 2026 MCSA Junior Cup | |
| 937 | Artem Shtein | 44.20 | 10 | BB Min | A: 42.09 (+2.11s | 4.8%) | SwimRight Team | 12/06/2025 | 2025 Pompano Beach Santa Claus Meet | |
| 938 | Gabriel Bock | 44.20 | 10 | BB Min | A: 42.09 (+2.11s | 4.8%) | Ensworth Aquatics | 02/27/2026 | 2026 SE Southeastern Winter SC Championships | |
| 939 | Chezeq Morgos | 44.20 | 10 | BB Min | A: 42.09 (+2.11s | 4.8%) | Sea Dragon Aquatics | 04/18/2026 | CCS Spring Classic 2026 | |
| 940 | Kristopher Odom | 44.21 | 9 | BB Min | A: 42.09 (+2.12s | 4.8%) | Upper Valley Aquatic Club | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 941 | Isaiah Williams | 44.22 | 10 | BB Min | A: 42.09 (+2.13s | 4.8%) | Accokeek Stroke Technique Swim | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 942 | Jacob Riegel | 44.22 | 10 | BB Min | A: 42.09 (+2.13s | 4.8%) | Wilmington Aquatic Club | 12/11/2025 | 2025 Katie Ledecky Invitational | |
| 943 | Teddy Nichols | 44.22 | 10 | BB Min | A: 42.09 (+2.13s | 4.8%) | Seals Aquatics | 11/08/2025 | TCA PC November SC C B A+ | |
| 944 | William Bradley | 44.22 | 9 | BB Min | A: 42.09 (+2.13s | 4.8%) | Nova of Virginia | 01/09/2026 | NOVA New Year S Kick Off | |
| 945 | Lincoln Miyake | 44.23 | 10 | BB Min | A: 42.09 (+2.14s | 4.8%) | Canyons Aquatic Club | 12/06/2025 | 2025 CA CANY Candy Cane | |
| 946 | Landon Noble | 44.23 | 9 | BB Min | A: 42.09 (+2.14s | 4.8%) | Highlands Ranch Aquatics | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 947 | Ethan Piorkowski | 44.23 | 10 | BB Min | A: 42.09 (+2.14s | 4.8%) | Bolles School Sharks | 02/20/2026 | 2026 Area 1 Spring Championships | |
| 948 | Nicolas Martinez | 44.24 | 10 | BB Min | A: 42.09 (+2.15s | 4.9%) | Nova of Virginia | 12/12/2025 | 2025 HVAC Winterfest Invitational | |
| 949 | Chayton Zhou | 44.24 | 9 | BB Min | A: 42.09 (+2.15s | 4.9%) | Pleasanton Seahawks | 03/07/2026 | SRVA Last Chance Meet B BB+ | |
| 950 | Richard Li | 44.25 | 9 | BB Min | A: 42.09 (+2.16s | 4.9%) | Monocacy Aquatic Club | 05/02/2026 | 2026 MAC May Hem Mini 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.