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 Zhang | 39.44 | 8 | AA Min | AAA: 38.29 (+1.15s | 2.9%) | First Colony Swim Team, Inc. | 12/06/2024 | 2024 Gulf Age Group Championships | |
| 202 | Axel Arnoldsson | 39.45 | 10 | AA Min | AAA: 38.29 (+1.16s | 2.9%) | Fenix Swim Club | 12/11/2025 | 35th Annual Winter Championships | |
| 203 | Dylan sun | 39.47 | 10 | AA Min | AAA: 38.29 (+1.18s | 3.0%) | Brea Aquatics | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 204 | 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 | |
| 205 | Justin Wiederhold | 39.47 | 9 | AA Min | AAA: 38.29 (+1.18s | 3.0%) | Long Island Aquatic Club | 12/11/2025 | 2025 MR HAUP Eagle Invitational | |
| 206 | Benjamin Hadji | 39.47 | 10 | AA Min | AAA: 38.29 (+1.18s | 3.0%) | Paseo Aquatics Swim Team | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 207 | 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 | |
| 208 | Alexander Kovnatsky | 39.48 | 9 | AA Min | AAA: 38.29 (+1.19s | 3.0%) | Orinda Aquatics | 11/08/2025 | Brentwood Seawolves SCY C B BB+ | |
| 209 | Timofey Belov | 39.48 | 9 | AA Min | AAA: 38.29 (+1.19s | 3.0%) | Pikes Peak Athletics | 02/28/2025 | 2025 CO CSI 14 U Age Group Championships | |
| 210 | Oliver Nielsen | 39.50 | 10 | AA Min | AAA: 38.29 (+1.21s | 3.1%) | Aquajets Swim Team | 12/05/2025 | 2025 MN AQJT 14 U Single Age State Meet Cop | |
| 211 | Harvey Zhang | 39.51 | 10 | AA Min | AAA: 38.29 (+1.22s | 3.1%) | Wave Aquatics | 11/22/2025 | 2025 PN Nov AGI, Division 2 (SMAC) | |
| 212 | Spencer Slowik | 39.51 | 10 | AA Min | AAA: 38.29 (+1.22s | 3.1%) | Bainbridge Island Swim Club | 01/31/2026 | 2026 PN BISC Bluefin Invitational | |
| 213 | Maxwell Tam | 39.51 | 10 | AA Min | AAA: 38.29 (+1.22s | 3.1%) | Burlingame Aquatics | 01/24/2026 | 2026 Zone 1 North Championships | |
| 214 | Jefferson Chiang | 39.52 | 9 | AA Min | AAA: 38.29 (+1.23s | 3.1%) | Tokyo-Red | 01/24/2026 | 2026 SCS Swim Festival | |
| 215 | Ari Thorne | 39.53 | 10 | AA Min | AAA: 38.29 (+1.24s | 3.1%) | Sarasota Sharks | 01/23/2026 | 2026 Hot Chocolate Invite | |
| 216 | Abram Lackey | 39.53 | 10 | AA Min | AAA: 38.29 (+1.24s | 3.1%) | Cullman Swim Association | 01/16/2026 | 2026 HSA TYR Invitational | |
| 217 | Luke Chen | 39.54 | 10 | AA Min | AAA: 38.29 (+1.25s | 3.2%) | Three Village Swim Club | 01/09/2026 | 2026 MR TVSC TJ Kelly Memorial Joust | |
| 218 | Coen Mangum | 39.56 | 10 | AA Min | AAA: 38.29 (+1.27s | 3.2%) | Annapolis Swim Club | 10/17/2025 | 2025 NBAC Fall Fastival Meet | |
| 219 | Collier Jacobson | 39.57 | 9 | AA Min | AAA: 38.29 (+1.28s | 3.2%) | Tualatin Hills Swim Club | 02/22/2025 | 2025 Arena Short Course 10 U Championships | |
| 220 | Mack Cooper | 39.58 | 11 | AA Min | AAA: 38.29 (+1.29s | 3.3%) | Grosse Pointe Gators | 02/06/2026 | 2026 Michigan Open | |
| 221 | Elliott Gies | 39.58 | 10 | AA Min | AAA: 38.29 (+1.29s | 3.3%) | Egra Waves | 02/14/2026 | 2026 WMSL Winter A Championship | |
| 222 | Zane Deshayes | 39.61 | 10 | AA Min | AAA: 38.29 (+1.32s | 3.3%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 223 | Aden Sun | 39.61 | 10 | AA Min | AAA: 38.29 (+1.32s | 3.3%) | Burlingame Aquatics | 01/24/2026 | 2026 Zone 1 North Championships | |
| 224 | Leonardo Henn | 39.66 | 10 | AA Min | AAA: 38.29 (+1.37s | 3.5%) | Eagles Swim Club | 01/23/2026 | 2026 Mile By Moonlight And Winterish Invite | |
| 225 | Jayden Yuen | 39.66 | 10 | AA Min | AAA: 38.29 (+1.37s | 3.5%) | Arctic Aquatics | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 226 | Brooks Nemeth | 39.67 | 9 | AA Min | AAA: 38.29 (+1.38s | 3.5%) | SwimRVA | 12/11/2025 | 2025 East Coast WinterFest | |
| 227 | Luke Gamino | 39.67 | 9 | AA Min | AAA: 38.29 (+1.38s | 3.5%) | Treasure Coast Aquatics | 01/24/2026 | 2026 TCA Winter Open | |
| 228 | Ezekiel Beitz | 39.67 | 10 | AA Min | AAA: 38.29 (+1.38s | 3.5%) | York Swim Club of Northern Vir | 12/04/2025 | 2025 Sport Fair Winter Classic | |
| 229 | Jayden Liu | 39.67 | 10 | AA Min | AAA: 38.29 (+1.38s | 3.5%) | Seattle Metropolitan Aquatic C | 12/12/2025 | 2025 PN 14 Under Short Course Champs APPROVED | |
| 230 | Oliver Bendoym | 39.68 | 10 | AA Min | AAA: 38.29 (+1.39s | 3.5%) | South Florida Aquatic Club | 02/06/2026 | Friendship Meet 2026 | |
| 231 | Clark Soucie | 39.69 | 11 | AA Min | AAA: 38.29 (+1.40s | 3.5%) | Riverview Buccaneers Swim Team | 02/13/2026 | 2026 Showdown In Motown | |
| 232 | Koku Saddawi-Banno | 39.70 | 9 | AA Min | AAA: 38.29 (+1.41s | 3.6%) | Jbarracudas Swim Team | 12/19/2025 | 2025 SI Winter Age Group Championships | |
| 233 | Christopher Lowther | 39.70 | 10 | AA Min | AAA: 38.29 (+1.41s | 3.6%) | YMCA of the Triangle Area Swim | 11/21/2025 | 2025 YOTA Arena Turkey Classic | |
| 234 | Nathaniel Barber | 39.70 | 10 | AA Min | AAA: 38.29 (+1.41s | 3.6%) | Apex | 01/02/2026 | 2026 CST Shark Chase Invitational | |
| 235 | Miro Wang | 39.71 | 10 | AA Min | AAA: 38.29 (+1.42s | 3.6%) | Santa Clara Swim Club | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 236 | James Ludington | 39.71 | 10 | AA Min | AAA: 38.29 (+1.42s | 3.6%) | Carolina Aquatic Team | 10/24/2025 | 2025 CAT Trick Or Treat Meet | |
| 237 | Kroy Riley | 39.74 | 10 | AA Min | AAA: 38.29 (+1.45s | 3.6%) | High Performance Aquatic Club | 12/20/2025 | 2025 ST SASA Tis The Season | |
| 238 | Kaveen Kasa | 39.77 | 10 | AA Min | AAA: 38.29 (+1.48s | 3.7%) | Greensboro Community YMCA | 01/23/2026 | GCY Winter Meet 2026 | |
| 239 | Ethan Evans | 39.77 | 9 | AA Min | AAA: 38.29 (+1.48s | 3.7%) | Dads Club Swim Team | 01/10/2025 | 2025 Tracey Harper Santiago Memorial Meet | |
| 240 | Boxuan Yu | 39.77 | 10 | AA Min | AAA: 38.29 (+1.48s | 3.7%) | Pacific Dragons Swim Team | 12/12/2025 | 2025 PN 14 Under Short Course Champs APPROVED | |
| 241 | Judah Resnick | 39.78 | 10 | AA Min | AAA: 38.29 (+1.49s | 3.7%) | Fox Chapel Killer Whales | 11/14/2025 | ISCA Fall Classic Championship 2025 | |
| 242 | Calvin Higgs | 39.78 | 9 | AA Min | AAA: 38.29 (+1.49s | 3.7%) | Nitro Swimming | 01/16/2026 | 2026 ST NTRO Winter Prelim Final Invite | |
| 243 | Alan Su | 39.80 | 10 | AA Min | AAA: 38.29 (+1.51s | 3.8%) | Stamford Sailfish Aquatic Club | 12/11/2025 | 2025 NE CRA Winter Invitational | |
| 244 | Seth Overstreet | 39.81 | 10 | AA Min | AAA: 38.29 (+1.52s | 3.8%) | Quest Swimming | 12/04/2025 | 2025 RAYS Nutcracker Classic Copied | |
| 245 | Kota Whitman | 39.82 | 10 | AA Min | AAA: 38.29 (+1.53s | 3.8%) | North Bay Aquatics | 01/31/2026 | 2026 Peggy Ramirez Memorial Z3 Winter Champs | |
| 246 | Riccardo Sardena | 39.83 | 9 | AA Min | AAA: 38.29 (+1.54s | 3.9%) | Swim Team of Placentia | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 247 | Zachary Brill | 39.83 | 10 | AA Min | AAA: 38.29 (+1.54s | 3.9%) | Aquatex Swim & Water Polo Team | 12/12/2025 | 2025 ST AAAA NS Winter Wonderland | |
| 248 | Eddy Qian | 39.84 | 9 | AA Min | AAA: 38.29 (+1.55s | 3.9%) | Arctic Aquatics | 01/09/2026 | 2026 NE CRA New Year Distance And Specialty | |
| 249 | Evan Hou | 39.86 | 9 | AA Min | AAA: 38.29 (+1.57s | 3.9%) | Rockville Montgomery Swim Club | 12/11/2025 | 2025 Riley Eaton Holiday Invitational | |
| 250 | Vihaan Pothuneedi | 39.86 | 10 | AA Min | AAA: 38.29 (+1.57s | 3.9%) | Staten Island Aquatics Club | 01/16/2026 | 2026 MR LIE Winterfest 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.