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 | |
|---|---|---|---|---|---|---|---|---|---|
| 4151 | Bruce Chou | 51.71 | 10 | B Min | BB: 47.69 (+4.02s | 7.8%) | Jbarracudas Swim Team | 11/08/2025 | 2025 SI SDSA All Ages NTS Meet | |
| 4152 | Freddie Newman | 51.71 | 9 | B Min | BB: 47.69 (+4.02s | 7.8%) | Moraga Valley Pool | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | |
| 4153 | Bennett DeBacker | 51.71 | 9 | B Min | BB: 47.69 (+4.02s | 7.8%) | Rockville Montgomery Swim Club | 12/11/2025 | 2025 Riley Eaton Holiday Invitational | |
| 4154 | Travis Cooper | 51.71 | 9 | B Min | BB: 47.69 (+4.02s | 7.8%) | Rockville Montgomery Swim Club | 11/14/2025 | 2025 RMSC November Dual Meet | |
| 4155 | Henry Sun | 51.71 | 7 | B Min | BB: 47.69 (+4.02s | 7.8%) | Tide Swimming | 12/05/2025 | 2025 757swim Grand Illumination | |
| 4156 | Quentin Bush | 51.71 | 10 | B Min | BB: 47.69 (+4.02s | 7.8%) | Olympus Aquatics | 12/13/2025 | 2025 UTAH Winter Classic | |
| 4157 | Alex Borz | 51.72 | 9 | B Min | BB: 47.69 (+4.03s | 7.8%) | Indian River Aquatics | 01/25/2025 | TCA Winter Open | |
| 4158 | Carter Paumen | 51.72 | 10 | B Min | BB: 47.69 (+4.03s | 7.8%) | Sea Devils | 11/22/2025 | 2025 MN HTSC Harvest Classic | |
| 4159 | Charles Wrigglesworth | 51.72 | 10 | B Min | BB: 47.69 (+4.03s | 7.8%) | Poseidon Swimming Inc | 12/04/2025 | 14th Annual Swim Tri Speedo Winter Champs | |
| 4160 | Jose Torrijos Anzures | 51.72 | 10 | B Min | BB: 47.69 (+4.03s | 7.8%) | Oly Swimming | 10/11/2025 | 2025 PA OLY DROP Tri Meet | |
| 4161 | David Zheng | 51.72 | 8 | B Min | BB: 47.69 (+4.03s | 7.8%) | Cypress Fairbanks Swim Club | 10/04/2024 | 2024 Fleet Fall Kickoff Invitational | |
| 4162 | Leo Grant | 51.73 | 8 | B Min | BB: 47.69 (+4.04s | 7.8%) | Texas Elite Swim Team | 09/28/2024 | Texas Elite IMX Invite 2024 | |
| 4163 | William Warden | 51.73 | 8 | B Min | BB: 47.69 (+4.04s | 7.8%) | Machine Aquatics | 12/20/2025 | 2025 Candy Cane Sprints | |
| 4164 | William Tinnin | 51.73 | 9 | B Min | BB: 47.69 (+4.04s | 7.8%) | Machine Aquatics | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 4165 | Jackson Collier | 51.73 | 8 | B Min | BB: 47.69 (+4.04s | 7.8%) | Cypress Fairbanks Swim Club | 10/04/2024 | 2024 Fleet Fall Kickoff Invitational | |
| 4166 | Calder Pettersen | 51.73 | 8 | B Min | BB: 47.69 (+4.04s | 7.8%) | Cascade Swim Club | 11/16/2025 | 2025 PN CSC Distance Plus Intrasquad | |
| 4167 | William Nail | 51.73 | 10 | B Min | BB: 47.69 (+4.04s | 7.8%) | Ensworth Aquatics | 10/25/2025 | 2025 IM Spooky | |
| 4168 | Isaiah Burdett | 51.74 | 8 | B Min | BB: 47.69 (+4.05s | 7.8%) | Waves Of Wilmington Inc | 11/21/2025 | 2025 ECA Southeastern Classic | |
| 4169 | Clay Schmidt | 51.74 | 8 | B Min | BB: 47.69 (+4.05s | 7.8%) | Tule Nation Tritons | 06/08/2024 | 2024 YMSC Ride The Rapids | |
| 4170 | Graeme Killelea | 51.74 | 10 | B Min | BB: 47.69 (+4.05s | 7.8%) | Tac Titans | 01/16/2026 | 2026 Vector Security Polar Plunge Meet | |
| 4171 | Jonathan Van Dalen | 51.74 | 9 | B Min | BB: 47.69 (+4.05s | 7.8%) | Potomac Marlins | 01/17/2026 | PVS January Open 2026 PWCS | |
| 4172 | William Britt | 51.74 | 9 | B Min | BB: 47.69 (+4.05s | 7.8%) | Raleigh Swimming Association | 12/06/2025 | 2025 MOR Arctic Blast Meet | |
| 4173 | Nash Buchanan | 51.74 | 10 | B Min | BB: 47.69 (+4.05s | 7.8%) | Salida Cyclones | 07/25/2025 | 2025 CO SECAL Championships | |
| 4174 | Ruslan Kovalchuk | 51.75 | 10 | B Min | BB: 47.69 (+4.06s | 7.8%) | Jbarracudas Swim Team | 12/05/2025 | 2025 SI JBST Wag Max Meet | |
| 4175 | Martin Mao | 51.75 | 8 | B Min | BB: 47.69 (+4.06s | 7.8%) | Sienna Premier Aquatics | 10/05/2024 | SPA Fall Annual Fall Invite 2024 | |
| 4176 | Brandon Lin | 51.75 | 8 | B Min | BB: 47.69 (+4.06s | 7.8%) | Long Island Aquatic Club | 11/01/2025 | 2025 MR TRI Fall SCY Invitational | |
| 4177 | Haden Zhong | 51.75 | 10 | B Min | BB: 47.69 (+4.06s | 7.8%) | Flushing YMCA | 10/18/2025 | 2025 MR Flushing Y Junior Swim Championships | |
| 4178 | Evan Hu | 51.75 | 10 | B Min | BB: 47.69 (+4.06s | 7.8%) | Atlantic Coast Athletic Club | 01/16/2026 | CA Y Winter Rumble Copied | |
| 4179 | Wes Tang | 51.75 | 10 | B Min | BB: 47.69 (+4.06s | 7.8%) | Harbor Seals | 12/13/2025 | 2025 MR TRI Winter SCY Invitational | |
| 4180 | Rooney Morgan | 51.76 | 9 | B Min | BB: 47.69 (+4.07s | 7.9%) | Ensworth Aquatics | 12/05/2025 | 2025 Holiday Classic | |
| 4181 | Julian Kau | 51.76 | 10 | B Min | BB: 47.69 (+4.07s | 7.9%) | Palo Alto Stanford Aquatics | 02/07/2026 | PASA CBA+ SCY Meet Feb 2026 | |
| 4182 | Holt Jorgensen | 51.76 | 8 | B Min | BB: 47.69 (+4.07s | 7.9%) | Dart Swimming | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 4183 | Markus Kuunal | 51.76 | 9 | B Min | BB: 47.69 (+4.07s | 7.9%) | Washingtonians Swim Club | 10/25/2025 | Trick Or Treat Mini Meet | |
| 4184 | Preston Bao | 51.76 | 9 | B Min | BB: 47.69 (+4.07s | 7.9%) | Rancho San Dieguito | 10/11/2025 | 2025 SI RSD All Ages B C Meet | |
| 4185 | Andrew Pinkerton | 51.76 | 10 | B Min | BB: 47.69 (+4.07s | 7.9%) | Dexter Community Aquatic Club | 01/16/2026 | SLA Arctic Blast 2026 | |
| 4186 | Charles Pang | 51.77 | 8 | B Min | BB: 47.69 (+4.08s | 7.9%) | Aggie Swim Club | 01/10/2025 | MAC 2025 Neon New Year Meet | |
| 4187 | Linus Teufel | 51.77 | 9 | B Min | BB: 47.69 (+4.08s | 7.9%) | Florida West Coast Aquatics | 10/17/2025 | FRIDAY NITE RACES OCT 2025 | |
| 4188 | Zihan Zhao | 51.77 | 9 | B Min | BB: 47.69 (+4.08s | 7.9%) | Pacific Dragons Swim Team | 12/06/2025 | 2025 PN Fall Divisionals, Division 1 OCA | |
| 4189 | Elijah Crush | 51.77 | 8 | B Min | BB: 47.69 (+4.08s | 7.9%) | YMCA of Virginia\\\\\\'s Blue Ridge | 02/07/2026 | SW District 8 Under Championship | |
| 4190 | Joshua Peterson | 51.78 | 10 | B Min | BB: 47.69 (+4.09s | 7.9%) | Excel Aquatics | 10/18/2025 | 2025 PN IST Fall Open | |
| 4191 | Kingston Walls | 51.78 | 7 | B Min | BB: 47.69 (+4.09s | 7.9%) | Terrapins Swim Team | 11/15/2024 | Pacific Swimming SCY B BB+ Last Chance Meet | |
| 4192 | Everett Blunden | 51.78 | 9 | B Min | BB: 47.69 (+4.09s | 7.9%) | The Capitol Sea Devils | 10/25/2025 | 2025 PV Monster Mash | |
| 4193 | Ezra Junio | 51.78 | 10 | B Min | BB: 47.69 (+4.09s | 7.9%) | Legacy Aquatics | 01/02/2026 | 2026 CST Shark Chase Invitational | |
| 4194 | William Lawrence | 51.78 | 8 | B Min | BB: 47.69 (+4.09s | 7.9%) | Pro Swimming | 01/23/2026 | 2026 PN Pro January Intrasquad Approved | |
| 4195 | Emerson Lee | 51.78 | 8 | B Min | BB: 47.69 (+4.09s | 7.9%) | Rockville Montgomery Swim Club | 12/06/2025 | 2025 Reindeer Mini Meet | |
| 4196 | Nolan Williams | 51.78 | 9 | B Min | BB: 47.69 (+4.09s | 7.9%) | Loyola Blakefield Aquatics | 11/14/2025 | 2025 NBAC Thanksgiving Meet | |
| 4197 | Steven Kimeu | 51.79 | 9 | B Min | BB: 47.69 (+4.10s | 7.9%) | Rochester Swim Club | 12/05/2025 | 2025 MN AQJT 14 U Single Age State Meet Cop | |
| 4198 | Edan Gerstein | 51.79 | 9 | B Min | BB: 47.69 (+4.10s | 7.9%) | Nation\\\\\\'s Capital Swim Club | 01/17/2026 | PVS January Open 2026 Fairland | |
| 4199 | John Robertson | 51.79 | 9 | B Min | BB: 47.69 (+4.10s | 7.9%) | McCallie-GPS Aquatics | 02/13/2026 | 2026 SE BAY Region 2 Championships Copied | |
| 4200 | John Huss | 51.79 | 7 | B Min | BB: 47.69 (+4.10s | 7.9%) | Asphalt Green Unified Aquatics | 01/30/2026 | 2026 MR LIE Second Chance Invitational | |
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.