USA Boys 10 & under - 50 M 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 4201 | Hank Yu | 49.56 | 9 | B: 43.89 (+5.67s | 11.4%) | SwimMAC Carolina | 06/05/2026 | 2026 TEAM School S Out Summer Invite | ||
| 4202 | Jason Thai | 49.57 | 10 | B: 43.89 (+5.68s | 11.5%) | Circle C Select Swim Team | 04/25/2026 | 2026 ST CCSS LC Unclassified | ||
| 4203 | Christopher Davare | 49.57 | 10 | B: 43.89 (+5.68s | 11.5%) | Berkeley Aquatic Club | 04/25/2026 | 2026 WAVE Sprint Into LC | ||
| 4204 | William Li | 49.58 | 7 | B: 43.89 (+5.69s | 11.5%) | Aquajets Swim Team | 06/05/2026 | 2026 MN NSAC Summer Invite | ||
| 4205 | Benjamin de Oliveira | 49.58 | 9 | B: 43.89 (+5.69s | 11.5%) | South Lake Aquatic Club | 04/25/2026 | 11th Annual Hohne Memorial Invitational | ||
| 4206 | Caleb Robinson | 49.58 | 10 | B: 43.89 (+5.69s | 11.5%) | YMCA of Central Massachusetts | 04/26/2026 | 2026 NE RIAC Quahog Cup | ||
| 4207 | Aiden Guinto | 49.58 | 10 | B: 43.89 (+5.69s | 11.5%) | Germantown Swim Team | 06/26/2026 | 2026 Dick Fadgen Tiger Classic | ||
| 4208 | Kyrie Laurente | 49.59 | 8 | B: 43.89 (+5.70s | 11.5%) | Pro Swimming | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | ||
| 4209 | Oliver Glassick | 49.62 | 10 | B: 43.89 (+5.73s | 11.5%) | Sporting Jax Aquatic Club | 05/23/2025 | EAJ Mayhem 2025 | ||
| 4210 | William Niedringhaus | 49.62 | 10 | B: 43.89 (+5.73s | 11.5%) | Thunderbird Aquatic Club | 05/02/2025 | 2025 PN TAC Spring Thunderbird Open | ||
| 4211 | Hreyansh Agarwal | 49.62 | 9 | B: 43.89 (+5.73s | 11.5%) | Sunrise Swimming | 06/06/2026 | 18th Annual LC NPB Summer Kickoff | ||
| 4212 | Leon Lv | 49.63 | 9 | B: 43.89 (+5.74s | 11.6%) | Mecklenburg Swim Association | 04/25/2026 | 2026 MSA April LC Meet | ||
| 4213 | Christian Baldie | 49.64 | 8 | B: 43.89 (+5.75s | 11.6%) | South Florida Aquatic Club | 06/26/2026 | June Central Park Series | ||
| 4214 | Mark Ilin | 49.65 | 10 | B: 43.89 (+5.76s | 11.6%) | Apex | 06/05/2026 | 2026 CST Summer Invitational | ||
| 4215 | Callen Thompson | 49.65 | 8 | B: 43.89 (+5.76s | 11.6%) | Pierre Swim Team | 06/27/2026 | 2026 SD Summer Starter | ||
| 4216 | Marcelo De La Fuente | 49.65 | 10 | B: 43.89 (+5.76s | 11.6%) | Rattlers Swim Club | 06/12/2026 | 2026 BD DSSC Poppas Day | ||
| 4217 | Rowan Youlin | 49.65 | 9 | B: 43.89 (+5.76s | 11.6%) | Bellingham Bay Swim Team | 06/19/2026 | 2026 IE VS Starlight Open (USAS) | ||
| 4218 | Owen Smith | 49.67 | 10 | B: 43.89 (+5.78s | 11.6%) | Sioux Falls Swim Team | 05/08/2026 | 2026 SD SFST Ready For Long Course Meet | ||
| 4219 | Maxwell Wang | 49.68 | 10 | B: 43.89 (+5.79s | 11.7%) | Palo Alto Stanford Aquatics | 05/17/2025 | 2025 LAMV SCM C B A+ | ||
| 4220 | Paul Ledesma | 49.68 | 8 | B: 43.89 (+5.79s | 11.7%) | Seattle Metropolitan Aquatic C | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | ||
| 4221 | Gideon Goss | 49.68 | 8 | B: 43.89 (+5.79s | 11.7%) | Swim Birmingham YMCA | 04/18/2026 | 2026 Carson Muir Cowgirl Classic | ||
| 4222 | Lehai Li | 49.69 | 10 | B: 43.89 (+5.80s | 11.7%) | Alto Swim Club | 06/07/2024 | DACA LC C B A+ Meet | ||
| 4223 | Reed VanWinkle | 49.70 | 9 | B: 43.89 (+5.81s | 11.7%) | Hydro Swim Club | 05/29/2026 | 2026 Hydro Summer Open | ||
| 4224 | Joseph Duray | 49.70 | 7 | B: 43.89 (+5.81s | 11.7%) | Blackline Aquatics | 05/30/2026 | 2026 MN RSC Summer Jam | ||
| 4225 | Chance Watkins | 49.70 | 7 | B: 43.89 (+5.81s | 11.7%) | Columbus Aquatic Club | 05/16/2026 | 2026 Opelika Open | ||
| 4226 | Charles Logan | 49.70 | 10 | B: 43.89 (+5.81s | 11.7%) | Aquatex Swim & Water Polo Team | 04/25/2026 | 2026 ST CCSS LC Unclassified | ||
| 4227 | Evan Fong | 49.70 | 9 | B: 43.89 (+5.81s | 11.7%) | FireFish Swim Team | 06/06/2026 | 2026 NE KING CAC Almost Summer Invite | ||
| 4228 | Milo Stanfill | 49.71 | 9 | B: 43.89 (+5.82s | 11.7%) | Univ. of Denver Hilltoppers | 04/12/2026 | 2026 CO NJ SBL Pentathlon 12 U | ||
| 4229 | Konstantin Paraskevov | 49.72 | 7 | B: 43.89 (+5.83s | 11.7%) | Westlake Aquatic Facility | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | ||
| 4230 | Julius Dorsey | 49.72 | 9 | B: 43.89 (+5.83s | 11.7%) | Capital of Texas Aquatics | 04/19/2026 | 2026 ST TXLA 10 U Long Course Kick Off | ||
| 4231 | Raylan Michealson | 49.72 | 8 | B: 43.89 (+5.83s | 11.7%) | EL Paso Border Land Swim Team | 05/16/2026 | 2026 BD SWAT School S Out Summer Bash | ||
| 4232 | Adrian Moy | 49.73 | 9 | B: 43.89 (+5.84s | 11.7%) | DeAnza Cupertino Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | ||
| 4233 | Roko Perak | 49.73 | 9 | B: 43.89 (+5.84s | 11.7%) | Univ. of Denver Hilltoppers | 05/16/2026 | 2026 CO Hilltopper Invite | ||
| 4234 | John Villalobos | 49.74 | 9 | B: 43.89 (+5.85s | 11.8%) | Wahoo\\\\\\'s of Wellington | 05/08/2026 | 2026 Wellington May Long Course Meet | ||
| 4235 | Maxim Paromov | 49.74 | 9 | B: 43.89 (+5.85s | 11.8%) | Commonwealth Swimming | 06/12/2026 | 2026 NE CS Summer Solstice | ||
| 4236 | Walter Kohlmorgen | 49.74 | 10 | B: 43.89 (+5.85s | 11.8%) | Greater Tampa Swim Association | 06/26/2026 | 2026 SPA S SEMINOLE SUNRISE LANES SWIM MEET | ||
| 4237 | Ethan Wang | 49.75 | 10 | B: 43.89 (+5.86s | 11.8%) | Northside Aquatics | 05/06/2026 | 2026 ST NIST May Race Night | ||
| 4238 | Markus Koller | 49.75 | 9 | B: 43.89 (+5.86s | 11.8%) | 757swim | 04/25/2026 | 757swim 14 And Under Spring Challenge | ||
| 4239 | George Ursachi | 49.76 | 7 | B: 43.89 (+5.87s | 11.8%) | Unattached | 05/02/2026 | Alto Spring Jam CBA | ||
| 4240 | Anthony Throneburg | 49.77 | 10 | B: 43.89 (+5.88s | 11.8%) | Morganton Swim Team | 06/16/2026 | WCSA Summer Meet 1 @ MSC Copied | ||
| 4241 | Nandan Basaveni | 49.78 | 9 | B: 43.89 (+5.89s | 11.8%) | Raleigh Swimming Association | 06/13/2026 | 2026 MOR Liberty Meet | ||
| 4242 | Dylan Wolfe | 49.79 | 10 | B: 43.89 (+5.90s | 11.8%) | Park City Swimming | 06/27/2025 | 2nd Annual Water Dragon Open | ||
| 4243 | Chong Zhang | 49.79 | 9 | B: 43.89 (+5.90s | 11.8%) | North Carolina Aquatic Club | 04/25/2026 | 2026 NCAC Quad Meet | ||
| 4244 | Jacob Lomong-oy | 49.80 | 8 | B: 43.89 (+5.91s | 11.9%) | Brownsville Aquatics | 06/06/2026 | 2026 HPAC Sunshine Splash | ||
| 4245 | Luke Cheng | 49.81 | 10 | B: 43.89 (+5.92s | 11.9%) | Otter Swim Club | 06/06/2025 | 2025 DACA LC CBA+ Meet | ||
| 4246 | Isaac Dela Cruz | 49.81 | 8 | B: 43.89 (+5.92s | 11.9%) | Nitro Swimming | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | ||
| 4247 | Federico Ricciardi | 49.82 | 8 | B: 43.89 (+5.93s | 11.9%) | Amherst Tritons Swim Team | 06/20/2026 | 2026 NE NSSC Invitational Springfield College | ||
| 4248 | Jackson Luding | 49.82 | 8 | B: 43.89 (+5.93s | 11.9%) | Asphalt Green Unified Aquatics | 08/06/2025 | 2025 Summer Elite Showcase | ||
| 4249 | Milan Varga | 49.82 | 5 | B: 43.89 (+5.93s | 11.9%) | Terrapins Swim Team | 05/23/2026 | 2026 Tiger Aquatics C B BB+ Memorial Day Meet | ||
| 4250 | Ramsey Warren | 49.82 | 10 | B: 43.89 (+5.93s | 11.9%) | Lakes Region Wavemakers | 06/26/2026 | 2026 NE MST ESC June Memorial | ||
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.