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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1301 | Finn Peters | 45.56 | 10 | BB Min | A: 42.09 (+3.47s | 7.6%) | Swim Florida | 02/07/2026 | 2026 GCST WINTER OPEN | |
| 1302 | Ethan Li | 45.57 | 9 | BB Min | A: 42.09 (+3.48s | 7.6%) | Pacific Dragons Swim Team | 01/24/2026 | 2026 PN PDST Winter Invitational Meet Approv | |
| 1303 | Noble Rickstrew | 45.57 | 10 | BB Min | A: 42.09 (+3.48s | 7.6%) | Excel Aquatics | 12/05/2025 | 2025 Beaman Toyota Meet Of Champs | |
| 1304 | Juwon Baek | 45.57 | 9 | BB Min | A: 42.09 (+3.48s | 7.6%) | Condors Swim Club | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 1305 | Joseph Nguyen | 45.57 | 9 | BB Min | A: 42.09 (+3.48s | 7.6%) | Three Village Swim Club | 02/20/2026 | 2026 MR Silvers Championship South HAUP | |
| 1306 | Vincent Kaldau | 45.58 | 10 | BB Min | A: 42.09 (+3.49s | 7.7%) | VillaSport Swim Team | 12/06/2024 | 2024 Gulf Age Group Championships | |
| 1307 | Nick Weisenborn | 45.58 | 9 | BB Min | A: 42.09 (+3.49s | 7.7%) | Stamford Sailfish Aquatic Club | 12/11/2025 | 2025 NE CRA Winter Invitational | |
| 1308 | James Coleman | 45.59 | 9 | BB Min | A: 42.09 (+3.50s | 7.7%) | Arlington Aquatic Club | 10/18/2025 | 2025 AAC Fall Gator Mini Meet | |
| 1309 | Patrick Rybicki | 45.59 | 9 | BB Min | A: 42.09 (+3.50s | 7.7%) | Royal Swimming | 03/07/2026 | 2026 Lake Huron Regional Meet | |
| 1310 | Zachary Shindler | 45.60 | 10 | BB Min | A: 42.09 (+3.51s | 7.7%) | Shorefront Ym-Ywha | 02/07/2026 | 2026 MR FREE Championships Meets Qualifier | |
| 1311 | Tyler Kuykendall | 45.60 | 10 | BB Min | A: 42.09 (+3.51s | 7.7%) | Sprc Stingrays | 11/14/2025 | GBSA 2025 Thanksgiving Swim Fest | |
| 1312 | Noah Chiu | 45.61 | 10 | BB Min | A: 42.09 (+3.52s | 7.7%) | Alto Swim Club | 03/07/2026 | DACA CBA Meet | |
| 1313 | Jed El Abed | 45.61 | 10 | BB Min | A: 42.09 (+3.52s | 7.7%) | H2o Swim Team | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 1314 | Atticus Gancsos | 45.61 | 10 | BB Min | A: 42.09 (+3.52s | 7.7%) | Badger Swim Club,Inc. | 02/20/2026 | 2026 MR Metro Silver Central Champs WEST | |
| 1315 | Everett Lan | 45.62 | 8 | BB Min | A: 42.09 (+3.53s | 7.7%) | Asphalt Green Unified Aquatics | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 1316 | Matias Venturino | 45.62 | 9 | BB Min | A: 42.09 (+3.53s | 7.7%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 1317 | Jun Lin | 45.62 | 8 | BB Min | A: 42.09 (+3.53s | 7.7%) | Seattle Metropolitan Aquatic C | 06/14/2026 | 2026 SMAC June Mini Meet Approved | |
| 1318 | Henry Jian | 45.63 | 10 | BB Min | A: 42.09 (+3.54s | 7.8%) | Pacific Dragons Swim Team | 12/06/2025 | 2025 PN Fall Divisionals, Division 1 OCA | |
| 1319 | Ethan Fu | 45.63 | 10 | BB Min | A: 42.09 (+3.54s | 7.8%) | Revolution Swim Club | 01/30/2026 | 2026 NE GS Silver Championships | |
| 1320 | Niccolo Pantana | 45.64 | 9 | BB Min | A: 42.09 (+3.55s | 7.8%) | Excel Aquatics | 02/21/2026 | 2026 SES Region 1 8 And Under Championships | |
| 1321 | Oliver Tornatore | 45.64 | 10 | BB Min | A: 42.09 (+3.55s | 7.8%) | Central Minnesota Aquatics | 02/27/2026 | 2026 MN MTKA Minnesota Regional Championship | |
| 1322 | Theodore Herrera | 45.64 | 10 | BB Min | A: 42.09 (+3.55s | 7.8%) | Crimson Aquatics | 01/09/2026 | 2026 NE CRIM Jan Team Specialty | |
| 1323 | Sterling Stewart | 45.64 | 10 | BB Min | A: 42.09 (+3.55s | 7.8%) | South Lake Aquatic Club | 03/26/2026 | Destination Athlete Centennial Invite 2026 | |
| 1324 | Jaxon Noe | 45.64 | 9 | BB Min | A: 42.09 (+3.55s | 7.8%) | Enfinity Aquatic Club | 03/20/2026 | 2026 SwimRVA Clover Cup | |
| 1325 | Liam Lawson | 45.64 | 10 | BB Min | A: 42.09 (+3.55s | 7.8%) | Lake Oswego Swim Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 1326 | John Pekkanen | 45.65 | 10 | BB Min | A: 42.09 (+3.56s | 7.8%) | All Star Aquatics | 12/05/2025 | 2025 Christmas Championships | |
| 1327 | Lorenzo Molina | 45.66 | 10 | BB Min | A: 42.09 (+3.57s | 7.8%) | City of Miami Parks Swim Team | 06/06/2026 | NMST June Invite 26 | |
| 1328 | Zachary Mokhiber | 45.66 | 10 | B: 43.49 (+2.17s | 4.8%) | T2 Aquatics | 12/04/2025 | RAFC Winter Classic | ||
| 1329 | John Calhoun | 45.67 | 10 | BB Min | A: 42.09 (+3.58s | 7.8%) | Nova of Virginia | 01/16/2026 | GSA January Jump Start 2026 | |
| 1330 | Daniel Comport | 45.68 | 10 | BB Min | A: 42.09 (+3.59s | 7.9%) | Highbridge Aquatics | 12/05/2025 | 2025 Holiday Classic | |
| 1331 | William Doran | 45.68 | 10 | BB Min | A: 42.09 (+3.59s | 7.9%) | SlipStream Aquatics | 03/06/2026 | 2026 CO 14 U Silver State | |
| 1332 | Kyle Teng | 45.68 | 8 | BB Min | A: 42.09 (+3.59s | 7.9%) | Rockville Montgomery Swim Club | 02/14/2026 | 2026 RMSC Gender Blender Mini Meet | |
| 1333 | Ford Halvorson | 45.68 | 10 | BB Min | A: 42.09 (+3.59s | 7.9%) | Foxjets Swim Team | 01/09/2026 | 2026 MN FOXJ Winter Classic | |
| 1334 | Denys Synchuk | 45.69 | 9 | BB Min | A: 42.09 (+3.60s | 7.9%) | Unattached | 04/11/2025 | 2025 Boys Girls Clubs National Swim Champs | |
| 1335 | Wilson Qi | 45.69 | 9 | BB Min | A: 42.09 (+3.60s | 7.9%) | Asphalt Green Unified Aquatics | 03/07/2026 | 2026 MR AGUA Last Chance Invitational | |
| 1336 | Jude Jeon | 45.69 | 9 | BB Min | A: 42.09 (+3.60s | 7.9%) | Washingtonians Swim Club | 01/17/2026 | 2026 PV January Open Audrey Moore | |
| 1337 | Thomas Wyss | 45.69 | 9 | BB Min | A: 42.09 (+3.60s | 7.9%) | Arlington Aquatic Club | 12/12/2025 | 2025 MAKO HOLIDAY INVITATIONAL | |
| 1338 | Guo-shiun Gau | 45.70 | 10 | BB Min | A: 42.09 (+3.61s | 7.9%) | Seattle Metropolitan Aquatic C | 01/31/2026 | 2026 PN KING Beast IMX IMR Invitational Appr | |
| 1339 | Kyle Wang | 45.70 | 10 | BB Min | A: 42.09 (+3.61s | 7.9%) | Freedom Aquatics | 02/20/2026 | 2026 MR Metro Silver Central Champs WEST | |
| 1340 | Jay Kowren | 45.70 | 10 | BB Min | A: 42.09 (+3.61s | 7.9%) | Bainbridge Island Swim Club | 04/18/2026 | 2026 PN UPAC Mark Olson Classic Approved | |
| 1341 | Dominic Coyle | 45.70 | 10 | BB Min | A: 42.09 (+3.61s | 7.9%) | Cardinal and Gold Aquatics | 03/13/2026 | 2026 Speedo Maryland Junior Championship Si | |
| 1342 | Cole Smith | 45.71 | 9 | BB Min | A: 42.09 (+3.62s | 7.9%) | Mnbb YMCA Seals Swim Team | 03/21/2026 | 2026 NE YNS YMCA New England Championship | |
| 1343 | Kai McGovern | 45.71 | 10 | BB Min | A: 42.09 (+3.62s | 7.9%) | Hurricanes Swim Team | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 1344 | Brody Dennis | 45.71 | 10 | BB Min | A: 42.09 (+3.62s | 7.9%) | Foxjets Swim Team | 02/13/2026 | 2026 MN RSC President S Day Meet | |
| 1345 | Ruslan Kalinnikov | 45.71 | 8 | BB Min | A: 42.09 (+3.62s | 7.9%) | Olympus Aquatics | 12/13/2025 | 2025 UTAH Winter Classic | |
| 1346 | Joseph Sweitzer | 45.72 | 9 | BB Min | A: 42.09 (+3.63s | 7.9%) | Portland Porpoise Swim Club | 12/12/2025 | 2025 NE CRIM Frosty Frenzy Trials Finals | |
| 1347 | Xavier Kallus | 45.72 | 10 | BB Min | A: 42.09 (+3.63s | 7.9%) | Victoria Texas Aquatic Club | 11/07/2025 | 2025 ST SCY Surge Shark Sizzler | |
| 1348 | Chase White | 45.72 | 10 | BB Min | A: 42.09 (+3.63s | 7.9%) | South Valley Makos | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 1349 | Wallace Hardy | 45.72 | 9 | BB Min | A: 42.09 (+3.63s | 7.9%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 1350 | Sanderling Cart | 45.73 | 9 | BB Min | A: 42.09 (+3.64s | 8.0%) | Purple Valley Aquatics | 11/07/2025 | 2025 NE UVAC Dorsi Raynolds Memorial Meet C | |
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.