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 | |
|---|---|---|---|---|---|---|---|---|---|
| 201 | Isaac Toledo | 39.09 | 10 | AA Min | AAA: 38.29 (+0.80s | 2.0%) | Fusion Aquatics | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 202 | Jace Djang | 39.10 | 10 | AA Min | AAA: 38.29 (+0.81s | 2.1%) | Lake Erie Silver Dolphins | 03/12/2026 | 2026 OH SC Junior Championships | |
| 203 | Jameson Leung | 39.11 | 10 | AA Min | AAA: 38.29 (+0.82s | 2.1%) | Trident Aquatic Club | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 204 | Luca Aguilera | 39.12 | 10 | AA Min | AAA: 38.29 (+0.83s | 2.1%) | Roadrunner Aquatics | 12/04/2025 | 2025 Holiday Swim Festival | |
| 205 | Kamdyn Lemke | 39.12 | 10 | AA Min | AAA: 38.29 (+0.83s | 2.1%) | Amherst Tritons Swim Team | 03/13/2026 | 2026 NE NSSC NE Cup Championship | |
| 206 | Luke Chen | 39.13 | 10 | AA Min | AAA: 38.29 (+0.84s | 2.1%) | Three Village Swim Club | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 207 | Braeden Crowe | 39.13 | 10 | AA Min | AAA: 38.29 (+0.84s | 2.1%) | Nu Wave Swim Club | 03/06/2026 | Speedo Southern Premier | |
| 208 | Christopher Lowther | 39.18 | 10 | AA Min | AAA: 38.29 (+0.89s | 2.3%) | YMCA of the Triangle Area Swim | 03/06/2026 | Jon Jolley GYSSA 2026 | |
| 209 | Aiden Cowles | 39.18 | 10 | AA Min | AAA: 38.29 (+0.89s | 2.3%) | SwimMAC Carolina | 03/20/2026 | 2026 SwimRVA Clover Cup | |
| 210 | Henry Bresson | 39.18 | 10 | AA Min | AAA: 38.29 (+0.89s | 2.3%) | Chinook Aquatic Club | 03/19/2026 | 2026 NW Region Age Group Champs Approved | |
| 211 | Jonathan Miriovsky | 39.19 | 9 | AA Min | AAA: 38.29 (+0.90s | 2.3%) | Huntsville Swim Association | 03/19/2026 | 2026 NC TAC ESSZ Age Group Sectionals | |
| 212 | Aidan Behrns | 39.20 | 10 | AA Min | AAA: 38.29 (+0.91s | 2.3%) | Calvert Aquatics Club | 03/05/2026 | 2026 MD LSC 14 U Championships | |
| 213 | Eason Kim | 39.20 | 9 | AA Min | AAA: 38.29 (+0.91s | 2.3%) | All Star Aquatics | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 214 | Khaled Elbanna | 39.21 | 10 | AA Min | AAA: 38.29 (+0.92s | 2.3%) | Nation\\\\\\'s Capital Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 215 | Jackson Coslick | 39.23 | 9 | AA Min | AAA: 38.29 (+0.94s | 2.4%) | Annapolis Swim Club | 03/05/2026 | 2026 MD LSC 14 U Championships | |
| 216 | Chuma Chiedozi | 39.24 | 10 | AA Min | AAA: 38.29 (+0.95s | 2.4%) | Rogue Rapids | 03/19/2026 | 2026 NW Region Age Group Champs Approved | |
| 217 | Jeffrey Ok | 39.24 | 10 | AA Min | AAA: 38.29 (+0.95s | 2.4%) | Long Island Aquatic Club | 12/11/2025 | 2025 Katie Ledecky Invitational | |
| 218 | Isaac Varner | 39.24 | 9 | AA Min | AAA: 38.29 (+0.95s | 2.4%) | Upper Arlington Swim Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 219 | Jason Ye | 39.25 | 10 | AA Min | AAA: 38.29 (+0.96s | 2.4%) | Alto Swim Club | 03/28/2026 | Alto Rock The Blocks Invitational 2026 | |
| 220 | Callen Merritt | 39.25 | 10 | AA Min | AAA: 38.29 (+0.96s | 2.4%) | Carolina Aquatic Team | 02/26/2026 | 2026 NCS SC AG CHAMPS | |
| 221 | Sawyer Nichols | 39.26 | 10 | AA Min | AAA: 38.29 (+0.97s | 2.5%) | Opelika Swim Team | 02/27/2026 | 2026 SE Southeastern Winter SC Championships | |
| 222 | Ilan Schiff | 39.28 | 10 | AA Min | AAA: 38.29 (+0.99s | 2.5%) | Arlington Aquatic Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 223 | Charlie Lockett | 39.30 | 9 | AA Min | AAA: 38.29 (+1.01s | 2.6%) | Nitro Swimming | 01/16/2026 | 2026 ST NTRO Winter Prelim Final Invite | |
| 224 | Cavan Clark | 39.30 | 10 | AA Min | AAA: 38.29 (+1.01s | 2.6%) | Uncle Sam Swim Team | 01/23/2026 | 2026 MR HAWKS AD Trials And Finals | |
| 225 | Brady Richeda | 39.32 | 9 | AA Min | AAA: 38.29 (+1.03s | 2.6%) | Rapids Swim Team | 03/20/2026 | 2026 NE NSSC March Madness At MIT | |
| 226 | Owen Tan | 39.33 | 9 | AA Min | AAA: 38.29 (+1.04s | 2.6%) | Hawaii Swimming Club | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 227 | Tyrus Lu | 39.33 | 9 | AA Min | AAA: 38.29 (+1.04s | 2.6%) | Tac Titans | 01/16/2026 | 2026 Vector Security Polar Plunge Meet | |
| 228 | Simon Feldman | 39.35 | 9 | AA Min | AAA: 38.29 (+1.06s | 2.7%) | Patriot Aquatics | 12/04/2025 | RAFC Winter Classic | |
| 229 | Seth Overstreet | 39.36 | 10 | AA Min | AAA: 38.29 (+1.07s | 2.7%) | Quest Swimming | 03/12/2026 | 2026 Virginia Swimming SC Age Group Champions | |
| 230 | Emerson Cornelius | 39.37 | 10 | AA Min | AAA: 38.29 (+1.08s | 2.7%) | Westview | 02/14/2025 | 2025 OR HS 6a 2 | |
| 231 | Kai Jo | 39.38 | 10 | AA Min | AAA: 38.29 (+1.09s | 2.8%) | Punahou Aquatics Institute | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 232 | Calvin Yang | 39.38 | 10 | AA Min | AAA: 38.29 (+1.09s | 2.8%) | Annapolis Swim Club | 03/05/2026 | 2026 MD LSC 14 U Championships | |
| 233 | Eddy Qian | 39.39 | 9 | AA Min | AAA: 38.29 (+1.10s | 2.8%) | Arctic Aquatics | 03/13/2026 | 2026 NE CRA End Of Season March Invite | |
| 234 | Owen Vaiana | 39.41 | 9 | AA Min | AAA: 38.29 (+1.12s | 2.8%) | Michigan Lakeshore Aquatics | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 235 | Isaiah Coupland | 39.41 | 10 | AA Min | AAA: 38.29 (+1.12s | 2.8%) | North Carolina Aquatic Club | 02/14/2026 | 2026 CAT Valentine Splash | |
| 236 | Ezz Abdelhadi | 39.41 | 10 | AA Min | AAA: 38.29 (+1.12s | 2.8%) | Palo Alto Stanford Aquatics | 03/20/2026 | SCY Spring Age Group Championships | |
| 237 | Connor West | 39.41 | 10 | AA Min | AAA: 38.29 (+1.12s | 2.8%) | The Spartans of La Canada | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 238 | Riccardo Sardena | 39.42 | 9 | AA Min | AAA: 38.29 (+1.13s | 2.9%) | Swim Team of Placentia | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 239 | Syrus Tracey | 39.43 | 10 | AA Min | AAA: 38.29 (+1.14s | 2.9%) | Lynchburg YMCA Swim Team | 01/31/2026 | LY Vs CA Y January Dual | |
| 240 | Ruslan Kondratenok | 39.43 | 10 | AA Min | AAA: 38.29 (+1.14s | 2.9%) | Charles River Aquatics | 03/13/2026 | 2026 NE CRA End Of Season March Invite | |
| 241 | Brett Baker | 39.44 | 10 | AA Min | AAA: 38.29 (+1.15s | 2.9%) | Burlingame Aquatics | 03/07/2026 | BAC Race To AGCs | |
| 242 | Isaac Zhang | 39.44 | 9 | AA Min | AAA: 38.29 (+1.15s | 2.9%) | First Colony Swim Team, Inc. | 12/06/2024 | 2024 Gulf Age Group Championships | |
| 243 | Lance Adams | 39.45 | 10 | AA Min | AAA: 38.29 (+1.16s | 2.9%) | Novi Sturgeons | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 244 | Allister Georgiou | 39.46 | 10 | AA Min | AAA: 38.29 (+1.17s | 3.0%) | McGrath Marlins Swim Team | 03/06/2026 | 2026 SI 14U AGE GRP CHAMPIONSHIPS | |
| 245 | JC Marquez | 39.46 | 10 | AA Min | AAA: 38.29 (+1.17s | 3.0%) | Heritage Aquatic Team | 03/05/2026 | 2026 FG Age Group SCY Championships | |
| 246 | Bennett Cordero | 39.46 | 10 | AA Min | AAA: 38.29 (+1.17s | 3.0%) | Aquatic Team Of Mecklenburg | 03/06/2026 | Speedo Southern Premier | |
| 247 | Jett Manion | 39.47 | 9 | AA Min | AAA: 38.29 (+1.18s | 3.0%) | Huntsville Swim Association | 02/06/2026 | 2026 SES Region 3 Champions | |
| 248 | Dylan sun | 39.47 | 10 | AA Min | AAA: 38.29 (+1.18s | 3.0%) | Brea Aquatics | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 249 | Justin Wiederhold | 39.47 | 10 | AA Min | AAA: 38.29 (+1.18s | 3.0%) | Long Island Aquatic Club | 12/11/2025 | 2025 MR HAUP Eagle Invitational | |
| 250 | Emmett Chen | 39.47 | 10 | AA Min | AAA: 38.29 (+1.18s | 3.0%) | San Ramon Valley Aquatics | 01/31/2026 | Zone 2 Winter Championship Meet | |
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.