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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1101 | Michael Evans | 44.08 | 10 | BB Min | A: 42.09 (+1.99s | 4.5%) | Sea Dragon Aquatics | 11/22/2025 | 2025 SDA November Open | |
| 1102 | Sawyer Sellers | 44.08 | 10 | BB Min | A: 42.09 (+1.99s | 4.5%) | Fox Swim Club | 12/04/2025 | 14th Annual Swim Tri Speedo Winter Champs | |
| 1103 | Miles MacKintosh | 44.09 | 10 | BB Min | A: 42.09 (+2.00s | 4.5%) | Gold\\\\\\'s Aquatics Club | 12/06/2025 | 2025 PN Fall Divisionals, Division 3 WAVE | |
| 1104 | Rowan Sargent | 44.09 | 9 | BB Min | A: 42.09 (+2.00s | 4.5%) | Flatiron Athletic Club | 01/09/2026 | 2026 CO NJ Narwhal Invitational | |
| 1105 | Zhouhan Yang | 44.09 | 10 | BB Min | A: 42.09 (+2.00s | 4.5%) | Alto Swim Club | 01/24/2026 | 2026 Zone 1 North Championships | |
| 1106 | 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 | |
| 1107 | Koki Tsujiuchi | 44.10 | 10 | BB Min | A: 42.09 (+2.01s | 4.6%) | Huntsville Swim Association | 01/16/2026 | 2026 HSA TYR Invitational | |
| 1108 | Parker Dekow | 44.10 | 10 | BB Min | A: 42.09 (+2.01s | 4.6%) | Nitro Swimming | 11/16/2025 | 2025 ST NTRO Turkey Trot | |
| 1109 | Asher Josey | 44.10 | 10 | BB Min | A: 42.09 (+2.01s | 4.6%) | Nation\\\\\\'s Capital Swim Club | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 1110 | 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 | |
| 1111 | 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 | |
| 1112 | 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 | |
| 1113 | Lochlan Kelly | 44.12 | 10 | BB Min | A: 42.09 (+2.03s | 4.6%) | Tuna Swim Club | 01/24/2026 | 2026 MN Tuna Frozen Festival | |
| 1114 | 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 | |
| 1115 | Seth Benton | 44.12 | 10 | BB Min | A: 42.09 (+2.03s | 4.6%) | SwimRVA | 01/16/2026 | GSA January Jump Start 2026 | |
| 1116 | Asher Young | 44.12 | 9 | BB Min | A: 42.09 (+2.03s | 4.6%) | Terrapins Swim Team | 07/26/2025 | Zone 2 Summer Championships | |
| 1117 | Charles Tewksbury | 44.13 | 9 | BB Min | A: 42.09 (+2.04s | 4.6%) | Instinct Swimming | 11/08/2025 | 2025 NE JCCS Lochness Specialty Copied | |
| 1118 | Aidan Curry | 44.13 | 11 | BB Min | A: 42.09 (+2.04s | 4.6%) | YMCA of Metro North Tritons | 02/07/2026 | 2026 NE NSSC Last Chance Meet | |
| 1119 | Van Yetter | 44.14 | 9 | BB Min | A: 42.09 (+2.05s | 4.6%) | T2 Aquatics | 02/07/2026 | 2026 GCST WINTER OPEN | |
| 1120 | Knox Riner | 44.14 | 10 | BB Min | A: 42.09 (+2.05s | 4.6%) | Virginia Gators | 09/20/2025 | 2025 Friendly City Kickoff | |
| 1121 | Mansour Radzhabov | 44.14 | 10 | BB Min | A: 42.09 (+2.05s | 4.6%) | Nation\\\\\\'s Capital Swim Club | 10/10/2025 | 2025 PV October Open Claude Moore | |
| 1122 | Reid Saver | 44.14 | 10 | BB Min | A: 42.09 (+2.05s | 4.6%) | Machine Aquatics | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 1123 | Daniel Nagaoka | 44.15 | 10 | BB Min | A: 42.09 (+2.06s | 4.7%) | Quicksilver Swimming | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 1124 | 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 | |
| 1125 | Marcello Rinaldi | 44.16 | 10 | BB Min | A: 42.09 (+2.07s | 4.7%) | Minnetonka Swim Club | 12/05/2025 | 2025 MN AQJT 14 U Single Age State Meet Cop | |
| 1126 | Jameson Knesek | 44.17 | 10 | BB Min | A: 42.09 (+2.08s | 4.7%) | Supernova Swim Team | 02/14/2026 | 2026 Best ValenTimes Meet | |
| 1127 | Evan McGuire | 44.17 | 9 | BB Min | A: 42.09 (+2.08s | 4.7%) | Aquatex Swim & Water Polo Team | 02/06/2026 | 2026 ST AQTX STX Champs North | |
| 1128 | Elias Montelongo Campos | 44.18 | 9 | BB Min | A: 42.09 (+2.09s | 4.7%) | Crimson Aquatics | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 1129 | Ethan Zhu | 44.19 | 10 | BB Min | A: 42.09 (+2.10s | 4.8%) | DeAnza Cupertino Aquatics | 12/06/2025 | Alto Dec 6 7 CBA | |
| 1130 | Ben Wang | 44.19 | 10 | BB Min | A: 42.09 (+2.10s | 4.8%) | Arctic Aquatics | 12/13/2025 | 2025 NE ARCT December Specialty Meet | |
| 1131 | 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 | |
| 1132 | Cole Su | 44.20 | 10 | BB Min | A: 42.09 (+2.11s | 4.8%) | Meadow | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | |
| 1133 | Paxton Wilson | 44.20 | 8 | BB Min | A: 42.09 (+2.11s | 4.8%) | SwimRVA | 01/09/2026 | NOVA New Year S Kick Off | |
| 1134 | 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 | |
| 1135 | Adam Ma | 44.21 | 10 | BB Min | A: 42.09 (+2.12s | 4.8%) | California Dolphins Swim Team | 01/31/2026 | Zone 2 Winter Championship Meet | |
| 1136 | Flint Wright | 44.21 | 9 | BB Min | A: 42.09 (+2.12s | 4.8%) | SwimFast | 09/06/2025 | Sunrise Swimmng Open Invite | |
| 1137 | Jacob Riegel | 44.22 | 10 | BB Min | A: 42.09 (+2.13s | 4.8%) | Wilmington Aquatic Club | 12/11/2025 | 2025 Katie Ledecky Invitational | |
| 1138 | 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 | |
| 1139 | Teddy Nichols | 44.22 | 9 | BB Min | A: 42.09 (+2.13s | 4.8%) | Seals Aquatics | 11/08/2025 | TCA PC November SC C B A+ | |
| 1140 | Cortez Dunn | 44.22 | 10 | BB Min | A: 42.09 (+2.13s | 4.8%) | Mission Viejo Nadadores | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 1141 | Jack Greenwood | 44.23 | 10 | BB Min | A: 42.09 (+2.14s | 4.8%) | Cavalier Aquatics/Piedmont Fam | 01/16/2026 | CA Y Winter Rumble Copied | |
| 1142 | Ryan Clark | 44.23 | 9 | BB Min | A: 42.09 (+2.14s | 4.8%) | York Swim Club of Northern Vir | 12/12/2025 | 2025 MAKO HOLIDAY INVITATIONAL | |
| 1143 | Lincoln Miyake | 44.23 | 9 | BB Min | A: 42.09 (+2.14s | 4.8%) | Canyons Aquatic Club | 12/06/2025 | 2025 CA CANY Candy Cane | |
| 1144 | Deren Chai | 44.23 | 10 | BB Min | A: 42.09 (+2.14s | 4.8%) | Pleasanton Seahawks | 01/31/2026 | Zone 2 Winter Championship Meet | |
| 1145 | Maximus Wan | 44.23 | 10 | BB Min | A: 42.09 (+2.14s | 4.8%) | Highlander Aquatic Club | 10/10/2025 | 2025 FAST Pumpkin Plunge | |
| 1146 | Nicolas Martinez | 44.24 | 9 | BB Min | A: 42.09 (+2.15s | 4.9%) | Nova of Virginia | 12/12/2025 | 2025 HVAC Winterfest Invitational | |
| 1147 | George Howe | 44.25 | 9 | BB Min | A: 42.09 (+2.16s | 4.9%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 01/31/2026 | 2026 Guppy Bowl | |
| 1148 | Ryan Xie | 44.25 | 9 | BB Min | A: 42.09 (+2.16s | 4.9%) | Cascadia Swimming | 02/15/2026 | 2026 OR CB Valentine Last Chance Invitational | |
| 1149 | Nicholas Mosendz | 44.26 | 9 | BB Min | A: 42.09 (+2.17s | 4.9%) | Santa Clara Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 1150 | Parker Robinson | 44.26 | 9 | BB Min | A: 42.09 (+2.17s | 4.9%) | Houston Hydra | 02/21/2025 | 2025 Gulf 12 Under Champs (TASC) | |
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.