USA Boys 10 & under - 50 Y Back
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 251 | Arick Eisler | 34.23 | 9 | AA Min | AAA: 33.99 (+0.24s | 0.7%) | Tac Titans | 02/26/2026 | 2026 NCS SC AG CHAMPS | |
| 252 | Sebastian Horn-Rios | 34.29 | 10 | AA Min | AAA: 33.99 (+0.30s | 0.9%) | T2 Aquatics | 02/07/2026 | 2026 GCST WINTER OPEN | |
| 253 | Andy Wang | 34.32 | 10 | AA Min | AAA: 33.99 (+0.33s | 1.0%) | Tualatin Hills Swim Club | 05/16/2026 | 2026 John DeRoest Sextathlon Swim Meet | |
| 254 | Eliott Jackson | 34.34 | 10 | AA Min | AAA: 33.99 (+0.35s | 1.0%) | Team Eugene Aquatics | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 255 | Jaezyn Magnaye | 34.37 | 10 | AA Min | AAA: 33.99 (+0.38s | 1.1%) | Tualatin Hills Swim Club | 05/16/2026 | 2026 John DeRoest Sextathlon Swim Meet | |
| 256 | Theodore Teng | 34.38 | 8 | AA Min | AAA: 33.99 (+0.39s | 1.1%) | Stamford Sailfish Aquatic Club | 12/11/2025 | 2025 NE CRA Winter Invitational | |
| 257 | Asher Mormino | 34.38 | 10 | AA Min | AAA: 33.99 (+0.39s | 1.1%) | Bend Swim Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 258 | Logan Bratu | 34.39 | 10 | AA Min | AAA: 33.99 (+0.40s | 1.2%) | Asphalt Green Unified Aquatics | 12/11/2025 | 2025 Katie Ledecky Invitational | |
| 259 | Cavan Clark | 34.39 | 10 | AA Min | AAA: 33.99 (+0.40s | 1.2%) | Uncle Sam Swim Team | 01/23/2026 | 2026 MR HAWKS AD Trials And Finals | |
| 260 | Abner Acevedo Trujillo | 34.39 | 10 | AA Min | AAA: 33.99 (+0.40s | 1.2%) | David Douglas | 02/13/2026 | 2026 OR HS 6A 4 | |
| 261 | Gavin Mahrous | 34.41 | 9 | AA Min | AAA: 33.99 (+0.42s | 1.2%) | Sioux Falls Swim Team | 02/20/2026 | 2026 SD 12 Under Short Course State A Champ | |
| 262 | Davis King | 34.41 | 9 | AA Min | AAA: 33.99 (+0.42s | 1.2%) | Tac Titans | 02/26/2026 | 2026 NCS SC AG CHAMPS | |
| 263 | Rehn Banhos | 34.41 | 10 | AA Min | AAA: 33.99 (+0.42s | 1.2%) | Upper Arlington Swim Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 264 | William Trueman | 34.43 | 10 | AA Min | AAA: 33.99 (+0.44s | 1.3%) | CAC Stingrays Swim Team | 03/06/2026 | 2026 CO 14 U Silver State | |
| 265 | Marcus Lin | 34.43 | 9 | AA Min | AAA: 33.99 (+0.44s | 1.3%) | Aquazot Swim Club | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 266 | Matthew Baird | 34.44 | 10 | AA Min | AAA: 33.99 (+0.45s | 1.3%) | Atlantis Swimming | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 267 | George Kennedy | 34.45 | 8 | AA Min | AAA: 33.99 (+0.46s | 1.3%) | SwimRVA | 12/11/2025 | 2025 East Coast WinterFest | |
| 268 | Ryan Wang | 34.46 | 9 | AA Min | AAA: 33.99 (+0.47s | 1.4%) | Stamford Sailfish Aquatic Club | 12/11/2025 | 2025 NE CRA Winter Invitational | |
| 269 | Peter Rechenmacher | 34.47 | 10 | AA Min | AAA: 33.99 (+0.48s | 1.4%) | Hudsons Bay | 02/15/2025 | Boys District IV 2A Champs 2025 | |
| 270 | Craig Thompson | 34.47 | 10 | AA Min | AAA: 33.99 (+0.48s | 1.4%) | North Coast Aquatics | 07/10/2026 | 2026 SI JBST All Ages Last Chance Meet | |
| 271 | Reid Kessel | 34.52 | 10 | AA Min | AAA: 33.99 (+0.53s | 1.5%) | 757swim | 01/09/2026 | 2026 757swim Splash And Dash | |
| 272 | Russell Choy | 34.52 | 10 | AA Min | AAA: 33.99 (+0.53s | 1.5%) | Aquazot Swim Club | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 273 | Luke VanWoerkom | 34.56 | 10 | AA Min | AAA: 33.99 (+0.57s | 1.6%) | Byron Center Aquatics | 11/15/2025 | 2025 GR Gales Of November Open Invitational | |
| 274 | Coleman McCheyne | 34.56 | 10 | AA Min | AAA: 33.99 (+0.57s | 1.6%) | Aquatic Team Of Mecklenburg | 03/20/2026 | 2026 BRSL Championships | |
| 275 | Summit Bergman | 34.57 | 10 | AA Min | AAA: 33.99 (+0.58s | 1.7%) | Life Time Southeast | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 276 | Benjamin Balmaceda | 34.57 | 10 | AA Min | AAA: 33.99 (+0.58s | 1.7%) | Unattached | 12/12/2025 | 2025 ST AAAA NS Winter Wonderland | |
| 277 | Tristan MA | 34.58 | 10 | AA Min | AAA: 33.99 (+0.59s | 1.7%) | Twisters Swim Club | 02/20/2026 | 2026 MR Metro Silver Central Champs WEST | |
| 278 | Seth Snyder | 34.58 | 10 | AA Min | AAA: 33.99 (+0.59s | 1.7%) | Lynchburg YMCA Swim Team | 03/19/2026 | 2026 USRY Short Course Champs | |
| 279 | Ziqian Liu | 34.61 | 9 | AA Min | AAA: 33.99 (+0.62s | 1.8%) | Tac Titans | 01/16/2026 | 2026 Vector Security Polar Plunge Meet | |
| 280 | Ian Kato | 34.62 | 10 | AA Min | AAA: 33.99 (+0.63s | 1.8%) | Sandy High School Swim Team | 02/15/2025 | 2025 OR HS 6a 4 | |
| 281 | Ethan Zhang | 34.64 | 9 | AA Min | AAA: 33.99 (+0.65s | 1.9%) | Vacaville Swim Club | 04/09/2026 | 2026 Far Western SC Hosted By SCSC | |
| 282 | Louis Yu | 34.64 | 8 | AA Min | AAA: 33.99 (+0.65s | 1.9%) | Santa Clara Swim Club | 07/25/2026 | 2026 DACA SC CBA Meet | |
| 283 | Jack Armbruster | 34.65 | 10 | AA Min | AAA: 33.99 (+0.66s | 1.9%) | San Clemente Aquatic Team | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 284 | Aiden Suffel | 34.66 | 10 | AA Min | AAA: 33.99 (+0.67s | 1.9%) | Lakeshore Swim Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 285 | Austin Ren | 34.67 | 9 | AA Min | AAA: 33.99 (+0.68s | 2.0%) | Katy Aquatic Team For Youth | 02/21/2025 | 2025 Gulf 12 Under Champs (KATY) | |
| 286 | Kessler Zornes | 34.67 | 10 | AA Min | AAA: 33.99 (+0.68s | 2.0%) | Oregon City | 02/13/2026 | 2026 OR HS 6A 5 | |
| 287 | Lucas Pan | 34.68 | 9 | AA Min | AAA: 33.99 (+0.69s | 2.0%) | Santa Clara Swim Club | 03/20/2026 | SCY Spring Age Group Championships | |
| 288 | Philip Rodriguez | 34.69 | 10 | AA Min | AAA: 33.99 (+0.70s | 2.0%) | Tac Titans | 02/26/2026 | 2026 NCS SC AG CHAMPS | |
| 289 | Vedant Sapre | 34.70 | 9 | AA Min | AAA: 33.99 (+0.71s | 2.0%) | Condors Swim Club | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 290 | Johnny Sappington | 34.71 | 10 | AA Min | AAA: 33.99 (+0.72s | 2.1%) | Tillamook | 02/15/2025 | 2025 OR HS 4a 3 | |
| 291 | Brooks Nemeth | 34.71 | 9 | AA Min | AAA: 33.99 (+0.72s | 2.1%) | SwimRVA | 11/22/2025 | Bass Turkey Classic 2025 | |
| 292 | Nicholas Selvaggi | 34.72 | 10 | AA Min | AAA: 33.99 (+0.73s | 2.1%) | Fox Swim Club | 03/05/2026 | 2026 MD LSC 14 U Championships | |
| 293 | Andrew Branach | 34.74 | 10 | AA Min | AAA: 33.99 (+0.75s | 2.2%) | Bergen Barracudas Swim Team | 01/23/2026 | 2026 MR HAWKS AD Trials And Finals | |
| 294 | Luke Sweetser | 34.75 | 10 | AA Min | AAA: 33.99 (+0.76s | 2.2%) | Columbia Aquatics Association | 11/07/2025 | 2025 Marlins Invitational | |
| 295 | Edison Smink | 34.76 | 10 | AA Min | AAA: 33.99 (+0.77s | 2.2%) | Rockville Montgomery Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 296 | Shawn Wu | 34.79 | 10 | AA Min | AAA: 33.99 (+0.80s | 2.3%) | Brea Aquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 297 | Luke Chai | 34.79 | 9 | AA Min | AAA: 33.99 (+0.80s | 2.3%) | Pleasanton Seahawks | 04/09/2026 | 2026 Far Western SC Hosted By SCSC | |
| 298 | Aleksandr Rybin | 34.81 | 10 | AA Min | AAA: 33.99 (+0.82s | 2.4%) | King Aquatic Club | 03/19/2026 | 2026 Northwest Region AG Champs Approved | |
| 299 | Jonathan Nelson | 34.82 | 10 | AA Min | AAA: 33.99 (+0.83s | 2.4%) | Utah Valley Aquatics | 10/23/2025 | 2025 Mike Harper Open | |
| 300 | Jack Nayar | 34.83 | 10 | AA Min | AAA: 33.99 (+0.84s | 2.4%) | Long Island Aquatic Club | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
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.