USA Boys 10 & under - 50 Y Free
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 9251 | Dohjin Park | 44.06 | 9 | B: 38.19 (+5.87s | 13.3%) | Los Gatos Swim Club | 12/05/2025 | Zone 1S Year End Age Group Champs Minus Meet | ||
| 9252 | Lucas Villanueva | 44.06 | 8 | B: 38.19 (+5.87s | 13.3%) | Mecklenburg Swim Association | 01/17/2026 | 2026 MSA January Invite | ||
| 9253 | Arlo Martinez | 44.06 | 10 | B: 38.19 (+5.87s | 13.3%) | Lahaina Swim Club | 11/15/2025 | 2025 MAGSA SCY A3 Meet | ||
| 9254 | Ryan Hsi | 44.06 | 8 | B: 38.19 (+5.87s | 13.3%) | Kingfish Swimming Medfield | 11/01/2025 | 2025 NE NSSC Nov Beede Specialty Copied | ||
| 9255 | AJ Estes | 44.06 | 9 | B: 38.19 (+5.87s | 13.3%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | ||
| 9256 | Jett Crawford | 44.06 | 8 | B: 38.19 (+5.87s | 13.3%) | Four Corners Aquatic Team | 04/17/2026 | 2026 CO Jolean Scott Memorial | ||
| 9257 | Lincoln Nelson | 44.06 | 10 | B: 38.19 (+5.87s | 13.3%) | Anglerfish Aquatics | 03/13/2026 | 2026 NE INST NE Cup | ||
| 9258 | Jonathan Robbins | 44.07 | 10 | B: 38.19 (+5.88s | 13.3%) | Pine Crest Swim Team | 09/05/2025 | September Central Park Series | ||
| 9259 | Gabriel Wang | 44.07 | 10 | B: 38.19 (+5.88s | 13.3%) | California Dolphins Swim Team | 03/28/2026 | PC CDST SC C B BB+ Meet | ||
| 9260 | Nathaniel Hensley | 44.08 | 10 | B: 38.19 (+5.89s | 13.4%) | Nitro Swimming | 01/04/2025 | 2025 ST NTRO Chilly Icicles Meet | ||
| 9261 | Benjamin Fincher | 44.08 | 7 | B: 38.19 (+5.89s | 13.4%) | Poseidon Swimming Inc | 03/21/2026 | NOVA Short Course Send Off 2026 | ||
| 9262 | Jelani Jones | 44.08 | 7 | B: 38.19 (+5.89s | 13.4%) | Razor Aquatics | 05/22/2026 | 2026 ISCA National Diversity Swim Champ | ||
| 9263 | Cameron Bardey | 44.08 | 9 | B: 38.19 (+5.89s | 13.4%) | North Palm Beach Swim Club | 02/06/2026 | 2026 Stanton C Craigie Memorial Invite | ||
| 9264 | Brody Bockstruck | 44.08 | 8 | B: 38.19 (+5.89s | 13.4%) | Parkway-Rockwood Gateway Swim | 06/24/2026 | GTWY Get Your Best Yard Times | ||
| 9265 | Justin Fu | 44.08 | 9 | B: 38.19 (+5.89s | 13.4%) | Newport County YMCA Wahoos | 01/17/2026 | 2026 NE KCY SENECY Winter Carnival | ||
| 9266 | Henry Haddad | 44.08 | 7 | B: 38.19 (+5.89s | 13.4%) | Ensworth Aquatics | 11/07/2025 | TNAQ 2025 FALL INVITATIONAL | ||
| 9267 | Caleb Robinson | 44.08 | 10 | B: 38.19 (+5.89s | 13.4%) | YMCA of Central Massachusetts | 05/31/2026 | 2026 NE SSC May 31 2026 | ||
| 9268 | Grayson Jones | 44.09 | 9 | B: 38.19 (+5.90s | 13.4%) | North State Narwhals | 10/17/2025 | 2025 KING OF THE HILL CHALLENGE | ||
| 9269 | Blane Campbell | 44.09 | 10 | B: 38.19 (+5.90s | 13.4%) | Denver Triton Swim Team | 02/01/2026 | 2026 CO FORM February Freeze | ||
| 9270 | Shinji Byer | 44.09 | 9 | B: 38.19 (+5.90s | 13.4%) | Seattle Metropolitan Aquatic C | 11/09/2025 | 2025 PN SMAC November Mini Meet | ||
| 9271 | Caleb Moritz | 44.09 | 8 | B: 38.19 (+5.90s | 13.4%) | Nocatee Bluetide Swim Team | 02/14/2026 | 10th Annual Small Team Championships | ||
| 9272 | Oliver Murray | 44.09 | 10 | B: 38.19 (+5.90s | 13.4%) | Potomac Marlins | 09/27/2025 | 2025 PV MAKO FALL INVITATIONAL | ||
| 9273 | Blake Nelson | 44.09 | 8 | B: 38.19 (+5.90s | 13.4%) | Y in Central Maryland Blue Cra | 03/21/2026 | 2026 Maryland 8 Under Championship Meet | ||
| 9274 | Andrew Bu | 44.09 | 10 | B: 38.19 (+5.90s | 13.4%) | Alto Swim Club | 02/22/2025 | De Anza C B A+ | ||
| 9275 | Keegan McFarlane | 44.09 | 8 | B: 38.19 (+5.90s | 13.4%) | Seattle Metropolitan Aquatic C | 01/17/2026 | 2026 PN SMAC Winter Invitational Approved | ||
| 9276 | Benjamin Xu | 44.10 | 10 | B: 38.19 (+5.91s | 13.4%) | Greensboro Community YMCA | 12/05/2025 | 2025 TYDE Winter Championship | ||
| 9277 | Nico Hannemann | 44.10 | 9 | B: 38.19 (+5.91s | 13.4%) | Cascade Swim Club | 01/18/2026 | 2026 PN BC Snowflake Classic Invite Approved | ||
| 9278 | Krthin Kothinti | 44.10 | 9 | B: 38.19 (+5.91s | 13.4%) | Wave Aquatics | 03/28/2026 | 2026 PN Spring Showdown, Div 4 Approved | ||
| 9279 | Kunkhen Lhutri | 44.11 | 9 | B: 38.19 (+5.92s | 13.4%) | East Bay Silver Dolphins | 02/28/2026 | VJO Rep The Bay C B A+ 2026 Copied | ||
| 9280 | Sheldon Stensrud | 44.12 | 10 | B: 38.19 (+5.93s | 13.4%) | Alamo Area Aquatic Association | 01/17/2026 | 2026 ST AAAA NS Frostbite | ||
| 9281 | Ezekiel Withers | 44.12 | 10 | B: 38.19 (+5.93s | 13.4%) | Saline Swim Team | 02/28/2026 | 2026 Last Chance Meet | ||
| 9282 | Asher Winn | 44.12 | 7 | B: 38.19 (+5.93s | 13.4%) | Cali Piranha Swim Team | 02/21/2026 | 2026 SI JBST Age Group Champs Max | ||
| 9283 | Witold Lassak | 44.12 | 9 | B: 38.19 (+5.93s | 13.4%) | Nation\\\\\\'s Capital Swim Club | 10/25/2025 | 2025 PAC 10 Under RockHopper Penguin Meet | ||
| 9284 | Matthias Ayala | 44.12 | 8 | B: 38.19 (+5.93s | 13.4%) | Flood Aquatics Swim Team | 10/25/2025 | 2025 BRST Not So Scary Invite | ||
| 9285 | Finn McGrath | 44.12 | 7 | B: 38.19 (+5.93s | 13.4%) | Multnomah Athletic Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | ||
| 9286 | Maverick Marchant | 44.12 | 9 | B: 38.19 (+5.93s | 13.4%) | YMCA of Austin Swim Alliance | 03/02/2025 | 2025 ST YMCA Swim Y All March Sprint | ||
| 9287 | Robert Matook | 44.12 | 9 | B: 38.19 (+5.93s | 13.4%) | YMCA of the North Shore Sharks | 01/16/2026 | 2026 NE CRIM Bronze Championship | ||
| 9288 | Christian Taylor | 44.12 | 9 | B: 38.19 (+5.93s | 13.4%) | Memphis Thunder Aquatic Club | 01/16/2026 | 2026 Gabrielle Rose Tiger Classic | ||
| 9289 | Allen Gao | 44.12 | 7 | B: 38.19 (+5.93s | 13.4%) | Weymouth Club Waves | 06/07/2026 | 2026 NE NSSC June Invitational At BC High | ||
| 9290 | LA Irving | 44.13 | 7 | B: 38.19 (+5.94s | 13.5%) | Greater Toledo Aquatic Club | 02/19/2026 | 2026 OH SOS SC Regional Championships | ||
| 9291 | Jaxson Thompson | 44.13 | 10 | B: 38.19 (+5.94s | 13.5%) | Mako Swim Team | 02/20/2026 | 2026 OH WAVE SC Regional Championships | ||
| 9292 | Remi Bala | 44.13 | 9 | B: 38.19 (+5.94s | 13.5%) | Full Armour Swim Team | 05/02/2026 | 2026 CO FLFN Summer Series #2 | ||
| 9293 | Asher Wilson | 44.13 | 10 | B: 38.19 (+5.94s | 13.5%) | Martin County Swimming | 01/24/2026 | 2026 TCA Winter Open | ||
| 9294 | Henry Arenberg | 44.13 | 9 | B: 38.19 (+5.94s | 13.5%) | Csp Tideriders | 03/07/2026 | 2026 GTWY 8 Under Champs | ||
| 9295 | Felix Matta Galitzine | 44.13 | 10 | B: 38.19 (+5.94s | 13.5%) | Texas Elite Swim Team | 02/21/2025 | 2025 Gulf 12 Under Champs (DADS) | ||
| 9296 | Isaac Ratliff | 44.13 | 9 | B: 38.19 (+5.94s | 13.5%) | Barracuda Swim Club of Northea | 10/25/2025 | 2025 BSC Pumpkin Patch Meet | ||
| 9297 | Neo Zhang | 44.13 | 10 | B: 38.19 (+5.94s | 13.5%) | Sunnyvale Swim Club | 09/28/2025 | SUNN Blue And Gold Intrasquad Meet Copied | ||
| 9298 | Henrik Neuman | 44.13 | 8 | B: 38.19 (+5.94s | 13.5%) | Swim Gators Str | 12/12/2025 | OLY Swimming Holiday Bowl | ||
| 9299 | Aiden Rampone | 44.13 | 7 | B: 38.19 (+5.94s | 13.5%) | Three Village Swim Club | 01/09/2026 | 2026 MR TVSC TJ Kelly Memorial Joust | ||
| 9300 | Caleb Yan | 44.13 | 8 | B: 38.19 (+5.94s | 13.5%) | West Suburban YMCA Blue Waves | 02/28/2026 | 2026 NE NSSC Specialty At BC | ||
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.