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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1251 | Calvin Luoma | 44.58 | 10 | BB Min | A: 42.09 (+2.49s | 5.6%) | Egra Waves | 02/07/2026 | 2026 Grand Rapids Open | |
| 1252 | ZhenLin Zhu | 44.59 | 9 | BB Min | A: 42.09 (+2.50s | 5.6%) | Seal Beach Swim Club | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 1253 | Jacob Myzie | 44.60 | 10 | BB Min | A: 42.09 (+2.51s | 5.6%) | Nation\\\\\\'s Capital Swim Club | 01/10/2026 | 2026 VSTP Polar Plunge | |
| 1254 | Odin Fisher | 44.60 | 10 | BB Min | A: 42.09 (+2.51s | 5.6%) | King Aquatic Club | 12/06/2025 | 2025 PN Fall Divisionals, Division 1 OCA | |
| 1255 | Wesley Lai | 44.60 | 10 | BB Min | A: 42.09 (+2.51s | 5.6%) | Harbor Seals | 02/07/2026 | 2026 MR QNS We Fly High Invitational | |
| 1256 | Maxim Wirzburger | 44.61 | 10 | BB Min | A: 42.09 (+2.52s | 5.6%) | East Coast C-Cerpants | 11/14/2025 | ISCA Fall Classic Championship 2025 | |
| 1257 | Marcus Lin | 44.61 | 8 | BB Min | A: 42.09 (+2.52s | 5.6%) | Aquazot Swim Club | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 1258 | Benjamin Turner | 44.62 | 9 | BB Min | A: 42.09 (+2.53s | 5.7%) | Nova of Virginia | 12/12/2025 | 2025 HVAC Winterfest Invitational | |
| 1259 | Henry Hales | 44.63 | 10 | BB Min | A: 42.09 (+2.54s | 5.7%) | Commonwealth Swimming | 12/11/2025 | 2025 NE SHAWMUT Candy Cane Classic | |
| 1260 | Shane Young | 44.63 | 8 | BB Min | A: 42.09 (+2.54s | 5.7%) | Tollefson Swimming | 12/06/2025 | 2025 Reindeer Mini Meet | |
| 1261 | Theodore Whitson | 44.63 | 9 | BB Min | A: 42.09 (+2.54s | 5.7%) | Tac Titans | 01/16/2026 | 2026 Vector Security Polar Plunge Meet | |
| 1262 | Isaac Li | 44.63 | 9 | BB Min | A: 42.09 (+2.54s | 5.7%) | Long Island Aquatic Club | 11/21/2025 | 2025 MR FA Patriot Games Invitational | |
| 1263 | Graham Collins | 44.64 | 10 | BB Min | A: 42.09 (+2.55s | 5.7%) | Raleigh Swimming Association | 01/16/2026 | 2026 RSA Winter Tri | |
| 1264 | Jude Donivan | 44.64 | 10 | BB Min | A: 42.09 (+2.55s | 5.7%) | Unattached | 12/12/2025 | 2025 ST AAAA NS Winter Wonderland | |
| 1265 | Jude Matu | 44.64 | 10 | BB Min | A: 42.09 (+2.55s | 5.7%) | Eagle Swim Team Inc. | 02/14/2026 | EST Vs NAAC Dual Meet | |
| 1266 | Samuel Ellsworth | 44.66 | 9 | BB Min | A: 42.09 (+2.57s | 5.8%) | Boise Swim Club | 11/22/2025 | 57th Annual Thanksgiving Invitational | |
| 1267 | Micah Utz | 44.66 | 10 | BB Min | A: 42.09 (+2.57s | 5.8%) | Arlington Aquatic Club | 12/12/2025 | 2025 MAKO HOLIDAY INVITATIONAL | |
| 1268 | Charlie Sundberg | 44.66 | 10 | BB Min | A: 42.09 (+2.57s | 5.8%) | Univ. of Denver Hilltoppers | 02/13/2026 | 2026 CO NJ Groundhog Invite | |
| 1269 | Colton Miller | 44.67 | 10 | BB Min | A: 42.09 (+2.58s | 5.8%) | Greater Tampa Swim Association | 01/23/2026 | BLOOMIN FAST SWIM MEET | |
| 1270 | Niranjan Bharathan | 44.69 | 10 | BB Min | A: 42.09 (+2.60s | 5.8%) | Tualatin Hills Swim Club | 01/16/2026 | 2026 THSC 14 U Winter Showcase | |
| 1271 | Lincoln Purdy | 44.69 | 10 | BB Min | A: 42.09 (+2.60s | 5.8%) | Greater Pensacola Aquatic Club | 02/13/2026 | 2026 SES Region 4 Championships | |
| 1272 | Travis Zhu | 44.69 | 10 | BB Min | A: 42.09 (+2.60s | 5.8%) | Excel Aquatics | 11/07/2025 | TNAQ 2025 FALL INVITATIONAL | |
| 1273 | Lawson Kroon | 44.69 | 9 | BB Min | A: 42.09 (+2.60s | 5.8%) | Pierre Swim Team | 01/30/2026 | 2026 SD Capital City Qualifier | |
| 1274 | Evan Fernando | 44.69 | 10 | BB Min | A: 42.09 (+2.60s | 5.8%) | Atlantis Swimming | 12/06/2025 | 2025 26 Super Fast And Furious Prelim Final | |
| 1275 | Richard Jia | 44.69 | 10 | BB Min | A: 42.09 (+2.60s | 5.8%) | Qns Aquatic Club | 01/09/2026 | 2026 MR TVSC TJ Kelly Memorial Joust | |
| 1276 | Gabriel Bock | 44.70 | 10 | BB Min | A: 42.09 (+2.61s | 5.8%) | Ensworth Aquatics | 12/05/2025 | 2025 Holiday Classic | |
| 1277 | Weston Sprigg | 44.70 | 10 | BB Min | A: 42.09 (+2.61s | 5.8%) | Loyola Blakefield Aquatics | 11/14/2025 | 2025 NBAC Thanksgiving Meet | |
| 1278 | Kai Thomas | 44.70 | 10 | BB Min | A: 42.09 (+2.61s | 5.8%) | Renegade Aquatics | 01/17/2026 | 2026 SI MRA A BB Meet | |
| 1279 | Camden Wallis | 44.70 | 9 | BB Min | A: 42.09 (+2.61s | 5.8%) | All Star Aquatics | 01/17/2026 | PVS January Open 2026 Fairland | |
| 1280 | Devin Song | 44.70 | 8 | BB Min | A: 42.09 (+2.61s | 5.8%) | Rose Bowl Aquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 1281 | Terry Xiao | 44.70 | 8 | BB Min | A: 42.09 (+2.61s | 5.8%) | Trident Aquatic Club | 01/16/2026 | GSA January Jump Start 2026 | |
| 1282 | Matthew Winn | 44.70 | 9 | BB Min | A: 42.09 (+2.61s | 5.8%) | Stingray Swim Team | 01/24/2026 | 2026 PN IST January Invitational Approved | |
| 1283 | Daniel Lee | 44.71 | 10 | BB Min | A: 42.09 (+2.62s | 5.9%) | Arlington Aquatic Club | 12/04/2025 | 2025 Sport Fair Winter Classic | |
| 1284 | Marco Gonzalez | 44.71 | 10 | BB Min | A: 42.09 (+2.62s | 5.9%) | South Bay Aquatics | 01/31/2026 | 2026 SBA All Ages NTS Meet | |
| 1285 | Jacob Greveling | 44.71 | 10 | BB Min | A: 42.09 (+2.62s | 5.9%) | SwimMAC Carolina | 02/14/2026 | 2026 SwimMAC Qualifier Festival | |
| 1286 | Abraham Polisuk | 44.71 | 10 | BB Min | A: 42.09 (+2.62s | 5.9%) | Gator Swim Club | 12/05/2025 | 2025 Speedo Gator Holiday Classic | |
| 1287 | Leo Zeng | 44.71 | 9 | BB Min | A: 42.09 (+2.62s | 5.9%) | Santa Clara Swim Club | 09/14/2024 | Milpitas Aquatic Club SC CBA+ Meet | |
| 1288 | Oliver Tadday | 44.71 | 10 | BB Min | A: 42.09 (+2.62s | 5.9%) | Gold\\\\\\'s Aquatics Club (Camas) | 01/23/2026 | 2026 TTSC Winter Qualifier | |
| 1289 | Theodore George | 44.71 | 10 | BB Min | A: 42.09 (+2.62s | 5.9%) | Tollefson Swimming | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 1290 | Conner Yang | 44.72 | 10 | BB Min | A: 42.09 (+2.63s | 5.9%) | The Dolphins Portland Swimming | 01/10/2026 | 2026 Hood River Winter Invitational | |
| 1291 | Patrick Fullerton | 44.74 | 9 | BB Min | A: 42.09 (+2.65s | 5.9%) | South Bay Aquatics | 01/17/2026 | 2026 SBA All Ages A BB Meet | |
| 1292 | Connor O'Connell | 44.74 | 10 | BB Min | A: 42.09 (+2.65s | 5.9%) | Hurricane Penguins Swim Club | 12/12/2025 | Penguin Holiday Bowl 2025 | |
| 1293 | Caleb Nash | 44.74 | 9 | BB Min | A: 42.09 (+2.65s | 5.9%) | Enfinity Aquatic Club | 02/07/2026 | 2026 EAC Last Chance Qualifier | |
| 1294 | Finley Martus | 44.74 | 9 | BB Min | A: 42.09 (+2.65s | 5.9%) | South Lyon Aquatics | 10/25/2025 | BA Halloween Town USA 2025 | |
| 1295 | Simon Stapley | 44.75 | 10 | BB Min | A: 42.09 (+2.66s | 5.9%) | Olympus Aquatics | 12/18/2025 | 2025 OA IMR II Copied | |
| 1296 | William Lan | 44.75 | 10 | BB Min | A: 42.09 (+2.66s | 5.9%) | Rancho San Dieguito | 12/19/2025 | 2025 SI Winter Age Group Championships | |
| 1297 | Lochlan Crouch | 44.75 | 10 | BB Min | A: 42.09 (+2.66s | 5.9%) | SwimRVA | 01/09/2026 | NOVA New Year S Kick Off | |
| 1298 | Vincent Mandanas | 44.76 | 10 | BB Min | A: 42.09 (+2.67s | 6.0%) | Granite Falls Makos | 01/16/2026 | 2026 Vector Security Polar Plunge Meet | |
| 1299 | Finn Scott | 44.79 | 10 | BB Min | A: 42.09 (+2.70s | 6.0%) | Alto Swim Club | 12/19/2025 | ALTO Candy Cane Classic | |
| 1300 | Daniel Pope | 44.79 | 9 | BB Min | A: 42.09 (+2.70s | 6.0%) | WeAquatics | 12/06/2025 | 2025 PAC 11 Over Snow Globe Champs | |
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.