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 | Mitchell Sullivan | 44.79 | 10 | BB Min | A: 42.09 (+2.70s | 6.0%) | Dart Swimming | 07/26/2025 | 2025 REAL Championships | |
| 1302 | Jeffrey Hill | 44.79 | 10 | BB Min | A: 42.09 (+2.70s | 6.0%) | Saint Andrew\\\\\\'s Aquatics | 12/11/2025 | 35th Annual Winter Championships | |
| 1303 | Luke Chaikriangkrai | 44.79 | 9 | BB Min | A: 42.09 (+2.70s | 6.0%) | Pro Swimming | 01/17/2026 | 2026 PN SMAC Winter Invitational Approved | |
| 1304 | Levi Julson | 44.79 | 8 | BB Min | A: 42.09 (+2.70s | 6.0%) | Seminole Aquatics | 12/13/2025 | 2025 BD Holiday Invite | |
| 1305 | Nirvaan KC | 44.80 | 11 | BB Min | A: 42.09 (+2.71s | 6.0%) | Brownell Talbot | 01/21/2026 | BLCK MW BT Sprint Night Meet #3 | |
| 1306 | Lewis Wan | 44.80 | 9 | BB Min | A: 42.09 (+2.71s | 6.0%) | Tac Titans | 11/15/2025 | 2025 TAC TITANS Turkey Squad Meet | |
| 1307 | Brian Wu | 44.81 | 10 | BB Min | A: 42.09 (+2.72s | 6.1%) | South Shore YMCA Strypers | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 1308 | Oliver Smith | 44.81 | 10 | BB Min | A: 42.09 (+2.72s | 6.1%) | Westbrook Seals | 12/12/2025 | 2025 NE NSSC Dec Holiday Celebration! | |
| 1309 | John Prosser | 44.81 | 10 | BB Min | A: 42.09 (+2.72s | 6.1%) | SwimRVA | 12/11/2025 | 2025 East Coast WinterFest | |
| 1310 | Charles Tan | 44.81 | 9 | BB Min | A: 42.09 (+2.72s | 6.1%) | Eastside Aquatic Swim Team | 12/06/2025 | 2025 PN Fall Divisionals, Division 1 OCA | |
| 1311 | Jordan Melenbrink | 44.82 | 9 | BB Min | A: 42.09 (+2.73s | 6.1%) | Oly Swimming | 11/14/2025 | OLY Swimming Turkey Bowl | |
| 1312 | Hunter Atkins | 44.82 | 10 | BB Min | A: 42.09 (+2.73s | 6.1%) | Palo Alto Stanford Aquatics | 01/24/2026 | 2026 Zone 1 North Championships | |
| 1313 | Winston Chase | 44.83 | 9 | BB Min | A: 42.09 (+2.74s | 6.1%) | Utah Valley Aquatics | 12/04/2025 | 2025 Holiday Swim Festival | |
| 1314 | Leo Lafferty | 44.83 | 10 | BB Min | A: 42.09 (+2.74s | 6.1%) | Westlake Aquatic Facility | 01/09/2026 | 2026 ST TXLA New Year S Classic Invite | |
| 1315 | Jonathan Trent | 44.83 | 11 | BB Min | A: 42.09 (+2.74s | 6.1%) | Bayside Aquatics | 12/21/2025 | The Grinch Stole My Times (9 O BB Slowe) 2025 | |
| 1316 | Jackson Pinkerton | 44.83 | 10 | BB Min | A: 42.09 (+2.74s | 6.1%) | North Bay Aquatics | 11/15/2025 | NVST Swimming Into Fall 2025 | |
| 1317 | Michael Clark | 44.83 | 10 | BB Min | A: 42.09 (+2.74s | 6.1%) | East Hartford YMCA | 12/11/2025 | 2025 NE CRA Winter Invitational | |
| 1318 | Owen Rousseau | 44.84 | 10 | BB Min | A: 42.09 (+2.75s | 6.1%) | Black Marlins Swim Team | 01/30/2026 | 2026 NE CS Silver Championships | |
| 1319 | William Zhang | 44.84 | 10 | BB Min | A: 42.09 (+2.75s | 6.1%) | South Orange County Aquatics | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 1320 | Samuel Feng | 44.84 | 10 | BB Min | A: 42.09 (+2.75s | 6.1%) | Xtreme Swim Club | 01/09/2026 | 2026 NE NSSC January 9 11 BC Meet | |
| 1321 | Jasper de Szoeke | 44.85 | 10 | BB Min | A: 42.09 (+2.76s | 6.2%) | Corvallis Aquatic Team | 01/03/2026 | 2026 CAT Short Course Open | |
| 1322 | Henry Tong | 44.86 | 10 | BB Min | A: 42.09 (+2.77s | 6.2%) | Asphalt Green Unified Aquatics | 11/07/2025 | 2025 MR LIE Fall Classic Invitational | |
| 1323 | David Lear | 44.86 | 10 | BB Min | A: 42.09 (+2.77s | 6.2%) | Herndon Aquatic Club | 11/21/2025 | 2025 Swim Rock | |
| 1324 | Luke Newman | 44.86 | 10 | BB Min | A: 42.09 (+2.77s | 6.2%) | Saint Edwards Aquatics | 01/24/2026 | 2026 TCA Winter Open | |
| 1325 | Ryan Sun | 44.86 | 10 | BB Min | A: 42.09 (+2.77s | 6.2%) | Sarasota Sharks | 01/23/2026 | 2026 Hot Chocolate Invite | |
| 1326 | Luke Lim | 44.86 | 10 | BB Min | A: 42.09 (+2.77s | 6.2%) | Alto Swim Club | 11/15/2025 | Alto Nov 15 16 Fall Frolic | |
| 1327 | Nicolas Martinez | 44.86 | 9 | BB Min | A: 42.09 (+2.77s | 6.2%) | Nova of Virginia | 11/22/2025 | NOVA Cranberry Contender | |
| 1328 | Jack Oakley | 44.86 | 10 | BB Min | A: 42.09 (+2.77s | 6.2%) | All Star Aquatics | 10/11/2025 | 2025 ASA October Kick Off | |
| 1329 | Oliver Catala | 44.86 | 9 | BB Min | A: 42.09 (+2.77s | 6.2%) | Gulliver Swim Club | 11/21/2025 | 2025 Gulliver Gobble Gobble Nov Last Chance | |
| 1330 | Keller Cox | 44.86 | 9 | BB Min | A: 42.09 (+2.77s | 6.2%) | All Star Aquatics | 10/11/2025 | 2025 ASA October Kick Off | |
| 1331 | Andy Tran | 44.87 | 9 | BB Min | A: 42.09 (+2.78s | 6.2%) | Seattle Metropolitan Aquatic C | 01/17/2026 | 2026 PN SMAC Winter Invitational Approved | |
| 1332 | George Yu | 44.87 | 10 | BB Min | A: 42.09 (+2.78s | 6.2%) | Santa Clara Swim Club | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 1333 | Henry Hodes | 44.88 | 8 | BB Min | A: 42.09 (+2.79s | 6.2%) | Executive Swim Club | 01/16/2026 | 2026 NE CRIM Bronze Championship | |
| 1334 | Charles Zborowski | 44.89 | 10 | BB Min | A: 42.09 (+2.80s | 6.2%) | North Palm Beach Swim Club | 02/06/2026 | 2026 Stanton C Craigie Memorial Invite | |
| 1335 | Rayce Shirey | 44.89 | 9 | BB Min | A: 42.09 (+2.80s | 6.2%) | Shoals Aquatic Club | 10/17/2025 | 2025 HSA Fran Norris Meet | |
| 1336 | James Milchteim | 44.90 | 9 | BB Min | A: 42.09 (+2.81s | 6.3%) | Bay Club Aquatics | 12/19/2025 | 2025 SI Winter Age Group Championships | |
| 1337 | Robert Lalji | 44.90 | 9 | BB Min | A: 42.09 (+2.81s | 6.3%) | Swim Fort Lauderdale | 12/05/2025 | 2025 FG Holiday Champ | |
| 1338 | Maximilian Machavariani | 44.90 | 9 | BB Min | A: 42.09 (+2.81s | 6.3%) | SwimMAC Carolina | 02/14/2026 | 2026 SwimMAC Qualifier Festival | |
| 1339 | Haolin Chen | 44.90 | 9 | BB Min | A: 42.09 (+2.81s | 6.3%) | Pacific Dragons Swim Team | 11/16/2025 | 2025 PN PAC Q Meet | |
| 1340 | Brayden Arencibia | 44.90 | 10 | BB Min | A: 42.09 (+2.81s | 6.3%) | Cavalier Aquatics/Piedmont Fam | 01/31/2026 | LY Vs CA Y January Dual | |
| 1341 | Olin Beerens | 44.91 | 10 | BB Min | A: 42.09 (+2.82s | 6.3%) | Longhorn Aquatics | 01/31/2026 | 2026 WOW Big Freeze Frenzy Meet | |
| 1342 | Ethan Nicholes | 44.91 | 10 | BB Min | A: 42.09 (+2.82s | 6.3%) | Naval Academy Aquatic Club | 01/17/2026 | 2026 Duck Bowl | |
| 1343 | Bradley Chu | 44.91 | 9 | BB Min | A: 42.09 (+2.82s | 6.3%) | Phoenix Aquatic Club | 12/06/2025 | 2025 MR PAC 12 U Holiday Invitational | |
| 1344 | George Howe | 44.92 | 9 | BB Min | A: 42.09 (+2.83s | 6.3%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 10/26/2025 | Lisa Ferris Fall Festival Time Trial 2025 | |
| 1345 | Alexander Cuellar | 44.92 | 9 | BB Min | A: 42.09 (+2.83s | 6.3%) | EL Paso Border Land Swim Team | 10/25/2025 | 2025 Bd Swatoberfest Sprintacular All | |
| 1346 | Grayson Lee | 44.92 | 11 | BB Min | A: 42.09 (+2.83s | 6.3%) | Twisters Swim Club | 01/24/2026 | 2026 MR FLY Fran Schnarr Sprint Pentathlon Me | |
| 1347 | Kolbe Bell | 44.92 | 9 | BB Min | A: 42.09 (+2.83s | 6.3%) | Nation\\\\\\'s Capital Swim Club | 01/10/2026 | 2026 MAKO POLAR PLUNGE | |
| 1348 | Colton Alex | 44.92 | 9 | BB Min | A: 42.09 (+2.83s | 6.3%) | Nation\\\\\\'s Capital Swim Club | 10/10/2025 | 2025 PV October Open Claude Moore | |
| 1349 | Conner Carpenter | 44.93 | 10 | BB Min | A: 42.09 (+2.84s | 6.3%) | Minnetonka Swim Club | 12/05/2025 | 2025 MN AQJT 14 U Single Age State Meet Cop | |
| 1350 | Baker Lowrance | 44.93 | 10 | BB Min | A: 42.09 (+2.84s | 6.3%) | SwimRVA | 01/24/2026 | 2026 WAC Mike Willard Polar Plunge | |
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.