USA Boys 10 & under - 50 M 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 151 | Kyu Bae | 45.09 | 9 | AA Min | AAA: 43.59 (+1.50s | 3.3%) | Waterloo Swimming | 06/12/2026 | 2026 ST TXLA Texas Open Invite | |
| 152 | Logan Zhou | 45.09 | 10 | AA Min | AAA: 43.59 (+1.50s | 3.3%) | Mason Manta Rays | 07/23/2026 | 2026 OH LC Junior Championships | |
| 153 | Aiden Sanchez | 45.11 | 8 | AA Min | AAA: 43.59 (+1.52s | 3.4%) | Saint Petersburg Aquatics | 06/05/2026 | 2026 TAMPA BAY SWIM CLASSIC | |
| 154 | Jordan Lemmon | 45.12 | 9 | AA Min | AAA: 43.59 (+1.53s | 3.4%) | Unattached | 07/30/2026 | 2026 CZ 14 U Championship Meet IN | |
| 155 | Lennox Luning | 45.17 | 10 | AA Min | AAA: 43.59 (+1.58s | 3.5%) | Naval Academy Aquatic Club | 06/12/2026 | 2026 SwimRVA Summer Invitational | |
| 156 | Jeremy Zhao | 45.19 | 9 | AA Min | AAA: 43.59 (+1.60s | 3.5%) | Quicksilver Swimming | 06/11/2026 | 2026 SCS June AG Invite | |
| 157 | Aris Shi | 45.20 | 9 | AA Min | AAA: 43.59 (+1.61s | 3.6%) | Arctic Aquatics | 05/08/2026 | 2026 NE CRA MIT Team Specialty LC Meet | |
| 158 | Peter Hofman | 45.21 | 10 | AA Min | AAA: 43.59 (+1.62s | 3.6%) | Cascade Swim Club | 06/19/2026 | 2026 IE VS Starlight Open (USAS) | |
| 159 | Ziqian Liu | 45.24 | 10 | AA Min | AAA: 43.59 (+1.65s | 3.6%) | Tac Titans | 05/15/2026 | 2026 TAC TITANS Spring Fling Meet | |
| 160 | Zeeon Zang | 45.26 | 8 | AA Min | AAA: 43.59 (+1.67s | 3.7%) | X-Cel Swimming | 07/23/2026 | 2026 NJ Swim LC Gold Championships | |
| 161 | Jacob Liu | 45.27 | 10 | AA Min | AAA: 43.59 (+1.68s | 3.7%) | Aquazot Swim Club | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 162 | Henry Bresson | 45.31 | 10 | AA Min | AAA: 43.59 (+1.72s | 3.8%) | Chinook Aquatic Club | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 163 | Thiago Mantilla | 45.32 | 10 | AA Min | AAA: 43.59 (+1.73s | 3.8%) | South Florida Aquatic Club | 07/16/2026 | 2026 FGC Summer LC Age Group Championships | |
| 164 | Kellan Yosay | 45.33 | 9 | AA Min | AAA: 43.59 (+1.74s | 3.8%) | SwimRVA | 05/29/2026 | 2026 SwimRVA Success Bell | |
| 165 | Max Madera | 45.33 | 10 | AA Min | AAA: 43.59 (+1.74s | 3.8%) | Fast Falcons | 07/09/2026 | 2026 FL Summer Age Group Championships | |
| 166 | Silas Sebera | 45.34 | 10 | AA Min | AAA: 43.59 (+1.75s | 3.9%) | Legacy Swim Club | 07/16/2026 | 2026 Virginia Swimming LC Age Group Champions | |
| 167 | Reid Kessel | 45.35 | 10 | AA Min | AAA: 43.59 (+1.76s | 3.9%) | 757swim | 06/11/2026 | NOVA 2026 Virginia Commonwealth Games | |
| 168 | Ethan Liang | 45.37 | 8 | AA Min | AAA: 43.59 (+1.78s | 3.9%) | Xtreme Swim Club | 04/24/2026 | 2026 NE NSSC 4 24 26 Specialty Meet | |
| 169 | Ivan Pankratiev | 45.37 | 10 | AA Min | AAA: 43.59 (+1.78s | 3.9%) | Rebel Aquatic Club | 07/23/2026 | 2026 NJ Swim LC Gold Championships | |
| 170 | Ashwin Tiwari | 45.37 | 9 | AA Min | AAA: 43.59 (+1.78s | 3.9%) | Olympic Cascade Aquatics | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 171 | Mark Kiselev | 45.40 | 9 | AA Min | AAA: 43.59 (+1.81s | 4.0%) | Royal Swim Team | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 172 | Braylon Ward | 45.40 | 10 | AA Min | AAA: 43.59 (+1.81s | 4.0%) | Aquatex Swim & Water Polo Team | 07/09/2026 | 2026 ST NIST LC STAGS | |
| 173 | Landen Chen | 45.43 | 9 | AA Min | AAA: 43.59 (+1.84s | 4.1%) | Revolution Swim Club | 05/16/2026 | 2026 NE CS Spring Fever | |
| 174 | Callum Ohde | 45.47 | 10 | AA Min | AAA: 43.59 (+1.88s | 4.1%) | Unattached | 08/06/2026 | 2026 CZ 14 U Championship Meet MN | |
| 175 | Connor Finan | 45.53 | 9 | AA Min | AAA: 43.59 (+1.94s | 4.3%) | Atlantic Coast Athletic Club | 07/16/2026 | 2026 Virginia Swimming LC Age Group Champions | |
| 176 | Denys Synchuk | 45.53 | 9 | AA Min | AAA: 43.59 (+1.94s | 4.3%) | Clifton Seahawks | 07/23/2026 | 2026 NJ Swim LC Gold Championships | |
| 177 | Phillippe Choi | 45.54 | 10 | AA Min | AAA: 43.59 (+1.95s | 4.3%) | Blast Sharks | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 178 | William Palumbo | 45.56 | 10 | AA Min | AAA: 43.59 (+1.97s | 4.3%) | Nova of Virginia | 06/11/2026 | NOVA 2026 Virginia Commonwealth Games | |
| 179 | Vance Schildknecht | 45.56 | 9 | AA Min | AAA: 43.59 (+1.97s | 4.3%) | Gulliver Swim Club | 07/16/2026 | 2026 FGC Summer LC Age Group Championships | |
| 180 | Jude Matu | 45.57 | 10 | AA Min | AAA: 43.59 (+1.98s | 4.3%) | Eagle Swim Team Inc. | 07/29/2026 | 2026 MD LSC LC Championship | |
| 181 | Maksim Chichetenko | 45.57 | 9 | AA Min | AAA: 43.59 (+1.98s | 4.3%) | Fast Lane Aquatics | 05/01/2026 | 2026 WFLA SPRING OPEN | |
| 182 | Kai Thomas | 45.58 | 10 | AA Min | AAA: 43.59 (+1.99s | 4.4%) | Renegade Aquatics | 05/23/2026 | SI 2026 TAC CSTE All Ages NTS Meet | |
| 183 | Anderson Bradley | 45.60 | 10 | AA Min | AAA: 43.59 (+2.01s | 4.4%) | Coastal Machine Aquatics Club | 07/16/2026 | 2026 SCS ELITE Age Group LCM Championship | |
| 184 | Michael Bevziuc | 45.60 | 9 | AA Min | AAA: 43.59 (+2.01s | 4.4%) | Prince William Swim Club | 05/01/2026 | 2026 Helen Wang Sunflower Classic | |
| 185 | John Prosser | 45.61 | 10 | AA Min | AAA: 43.59 (+2.02s | 4.4%) | SwimRVA | 06/25/2026 | LC Central District Champs | |
| 186 | Ethan Wang | 45.62 | 9 | AA Min | AAA: 43.59 (+2.03s | 4.4%) | Alto Swim Club | 07/30/2026 | Long Course Far Westerns | |
| 187 | Dashel Dean | 45.63 | 10 | AA Min | AAA: 43.59 (+2.04s | 4.5%) | Occoquan Swimming | 06/05/2026 | HNVR Storm Surge 2026 | |
| 188 | Alonso Andrade | 45.63 | 10 | AA Min | AAA: 43.59 (+2.04s | 4.5%) | EL Paso Border Land Swim Team | 06/26/2026 | 2026 BD EPAP Jack White Memorial Classic | |
| 189 | Liam Bundick | 45.64 | 10 | AA Min | AAA: 43.59 (+2.05s | 4.5%) | Unattached | 07/09/2026 | 2026 ST NIST LC STAGS | |
| 190 | Caleb Horvath | 45.67 | 9 | AA Min | AAA: 43.59 (+2.08s | 4.6%) | Mecklenburg Swim Association | 07/16/2026 | 2026 NCS LC AG Championships | |
| 191 | Oliver Pearce | 45.68 | 10 | AA Min | AAA: 43.59 (+2.09s | 4.6%) | Aces Swim Club | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 192 | Levi Julson | 45.69 | 8 | AA Min | AAA: 43.59 (+2.10s | 4.6%) | Seminole Aquatics | 05/15/2026 | 2026 PA Long Course Invite | |
| 193 | Gleb Nikishin | 45.69 | 10 | AA Min | AAA: 43.59 (+2.10s | 4.6%) | SwimRight Team | 07/16/2026 | 2026 FGC Summer LC Age Group Championships | |
| 194 | Daniel Kim | 45.70 | 10 | AA Min | AAA: 43.59 (+2.11s | 4.6%) | Waverunners | 05/09/2026 | 2026 CAT May The Splash Be With You | |
| 195 | Lucas Guillen | 45.71 | 9 | AA Min | AAA: 43.59 (+2.12s | 4.6%) | 757swim | 07/16/2026 | 2026 Virginia Swimming LC Age Group Champions | |
| 196 | Lucas Jiang | 45.72 | 10 | AA Min | AAA: 43.59 (+2.13s | 4.7%) | Santa Clara Swim Club | 07/30/2026 | Long Course Far Westerns | |
| 197 | James Wright | 45.72 | 10 | AA Min | AAA: 43.59 (+2.13s | 4.7%) | Club Talon | 07/17/2026 | 2026 SE Southeastern Summer LC Championships | |
| 198 | Yining Zhao | 45.74 | 10 | AA Min | AAA: 43.59 (+2.15s | 4.7%) | Tac Titans | 05/15/2026 | 2026 TAC TITANS Spring Fling Meet | |
| 199 | Kaimana Hashimoto | 45.74 | 10 | AA Min | AAA: 43.59 (+2.15s | 4.7%) | Splash Aquatics | 07/16/2026 | 2026 HISI LCM Championships | |
| 200 | Samuel Evanovich | 45.75 | 10 | AA Min | AAA: 43.59 (+2.16s | 4.7%) | Unattached | 05/23/2026 | 50th Annual Coach Soichi Sakamoto Invitationa | |
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.