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 | |
|---|---|---|---|---|---|---|---|---|---|
| 301 | Arwin Safaee | 37.75 | 10 | BB Min | A: 35.69 (+2.06s | 5.5%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | |
| 302 | Bentley Frost | 37.80 | 10 | BB Min | A: 35.69 (+2.11s | 5.6%) | Pierre Swim Team | 07/18/2025 | 2025 SD State Long Course Meet | |
| 303 | Hines Butler | 37.80 | 10 | BB Min | A: 35.69 (+2.11s | 5.6%) | Sarasota Sharks | 06/19/2025 | 2025 Shark Open | |
| 304 | Sterling Stewart | 37.81 | 10 | BB Min | A: 35.69 (+2.12s | 5.6%) | South Lake Aquatic Club | 06/06/2025 | 2025 TAMPA BAY SWIM CLASSIC | |
| 305 | Marco Gonzalez | 37.82 | 10 | BB Min | A: 35.69 (+2.13s | 5.6%) | South Bay Aquatics | 06/20/2025 | 2025 SI SPLASH AND DASH | |
| 306 | Rain Liu | 37.84 | 10 | BB Min | A: 35.69 (+2.15s | 5.7%) | Rancho San Dieguito | 06/20/2025 | 2025 SI SPLASH AND DASH | |
| 307 | Conrad Shwe | 37.85 | 9 | BB Min | A: 35.69 (+2.16s | 5.7%) | Clovis Swim Club | 07/16/2025 | Renee And Jim Patterson Meet 2025 | |
| 308 | Guo-Shiun Gau | 37.87 | 10 | BB Min | A: 35.69 (+2.18s | 5.8%) | King Aquatic Club | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 309 | Tucker McCullough | 37.87 | 10 | BB Min | A: 35.69 (+2.18s | 5.8%) | Team Rebel Aquatics | 07/25/2024 | 2024 CA SCS RAA Summer A G Champs | |
| 310 | Asher Mormino | 37.89 | 9 | BB Min | A: 35.69 (+2.20s | 5.8%) | Bend Swim Club | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 311 | Callum Gillilan | 37.89 | 10 | BB Min | A: 35.69 (+2.20s | 5.8%) | Fort Collins Area Swim Team | 04/25/2025 | 2025 CO FAST Spring Splash LC Open | |
| 312 | Oleksandr Yaroshyk | 37.89 | 10 | BB Min | A: 35.69 (+2.20s | 5.8%) | Valley Aquatics | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | |
| 313 | Arthur Shackelton | 37.89 | 9 | BB Min | A: 35.69 (+2.20s | 5.8%) | Lakeridge Swim Team | 06/20/2025 | Reno Aquatic Club Gamble | |
| 314 | Michael Evans | 37.90 | 10 | BB Min | A: 35.69 (+2.21s | 5.8%) | Sea Dragon Aquatics | 05/03/2025 | 2025 Sea Dragon May Open | |
| 315 | Ty Hoggard | 37.90 | 10 | BB Min | A: 35.69 (+2.21s | 5.8%) | Blue Dolfins | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 316 | Nico Losada-Saputo | 37.91 | 10 | BB Min | A: 35.69 (+2.22s | 5.9%) | Terrapins Swim Team | 07/27/2024 | OA Summer Finale SCY LCM Invitational 2024 | |
| 317 | Jayden Liu | 37.91 | 10 | BB Min | A: 35.69 (+2.22s | 5.9%) | Pacific Dragons Swim Team | 06/27/2025 | 2025 PN SMAC Summer Classic Invitational | |
| 318 | Adam Ma | 37.95 | 10 | BB Min | A: 35.69 (+2.26s | 6.0%) | California Dolphins Swim Team | 06/07/2025 | 2025 06 07 CDST LC C B BB+ Meet | |
| 319 | Evan Buchanan | 37.98 | 10 | BB Min | A: 35.69 (+2.29s | 6.0%) | Hudson Explorer Aquatic | 07/24/2025 | 2025 LE Age Group And Senior LC Championships | |
| 320 | Jackson Lee | 37.99 | 10 | BB Min | A: 35.69 (+2.30s | 6.1%) | Burlingame Aquatics | 06/06/2025 | BAC C B A Meet | |
| 321 | Stewart Bye | 38.01 | 10 | BB Min | A: 35.69 (+2.32s | 6.1%) | Corvallis Aquatic Team | 07/19/2025 | CAT Summer Open | |
| 322 | Harvey Zhang | 38.01 | 10 | BB Min | A: 35.69 (+2.32s | 6.1%) | Pro Swimming | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | |
| 323 | Aiden Suffel | 38.02 | 10 | BB Min | A: 35.69 (+2.33s | 6.1%) | Lakeshore Swim Club | 06/27/2025 | 2025 55th FREEDLANDER MEET | |
| 324 | Declan Sederholm | 38.06 | 10 | BB Min | A: 35.69 (+2.37s | 6.2%) | Hilltop Aquatic Swim Team | 07/17/2025 | 2025 UTAGS LC Championships | |
| 325 | Francisco Diaz | 38.06 | 10 | BB Min | A: 35.69 (+2.37s | 6.2%) | Lynwood Marlins Swim Team | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 326 | Luka McGrath | 38.08 | 10 | BB Min | A: 35.69 (+2.39s | 6.3%) | Multnomah Athletic Club | 04/18/2025 | 2025 MAC LONG COURSE INVITATIONAL | |
| 327 | Patricio Pasquel Garcia | 38.10 | 10 | BB Min | A: 35.69 (+2.41s | 6.3%) | Titanes de Tym | 05/02/2025 | 2025 ST 22nd Annual Cinco De Mayo | |
| 328 | Martin Decotigny | 38.10 | 10 | BB Min | A: 35.69 (+2.41s | 6.3%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 329 | Schuyler Carry | 38.10 | 9 | BB Min | A: 35.69 (+2.41s | 6.3%) | Aquajets Swim Team | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 330 | Noah Mobasseri | 38.13 | 9 | BB Min | A: 35.69 (+2.44s | 6.4%) | Aquazot Swim Club | 06/12/2025 | 2025 SCS June AG Invite @ La Mirada Armada | |
| 331 | Reagan Wilsey | 38.17 | 10 | BB Min | A: 35.69 (+2.48s | 6.5%) | Palo Alto Stanford Aquatics | 05/17/2025 | 2025 LAMV SCM C B A+ | |
| 332 | Miro Wang | 38.19 | 10 | BB Min | A: 35.69 (+2.50s | 6.5%) | Santa Clara Swim Club | 05/30/2025 | SCSC Pacific Swimming Long Course Intrasquad | |
| 333 | Robert Botterill | 38.24 | 10 | BB Min | A: 35.69 (+2.55s | 6.7%) | Granite City Aquatics | 07/18/2025 | 2025 MN TUNA Minnesota Regional Championship | |
| 334 | Franco Martinez | 38.24 | 10 | BB Min | A: 35.69 (+2.55s | 6.7%) | EL Paso Border Land Swim Team | 06/28/2024 | 2024 EPAP Jack White Classic | |
| 335 | Trent Dekker | 38.26 | 10 | BB Min | A: 35.69 (+2.57s | 6.7%) | Tri-State Swim Team | 06/27/2025 | 2025 SD SFST Sanford Invite | |
| 336 | Cameron Ecklof | 38.28 | 9 | BB Min | A: 35.69 (+2.59s | 6.8%) | Sporting Jax Aquatic Club | 07/25/2025 | 2025 Area 1 LCM Championships | |
| 337 | George Peters | 38.28 | 10 | BB Min | A: 35.69 (+2.59s | 6.8%) | Rochester Swim Club | 07/18/2025 | 2025 MN MTKA Minnesota Regional Championship | |
| 338 | Conrad Postle | 38.29 | 9 | BB Min | A: 35.69 (+2.60s | 6.8%) | West Florida Lightning Aquatic | 06/06/2025 | 2025 TAMPA BAY SWIM CLASSIC | |
| 339 | Carter Hollingsworth | 38.35 | 10 | BB Min | A: 35.69 (+2.66s | 6.9%) | Castle Rock Swimming | 06/06/2025 | 2025 CO FAST June Bonanza | |
| 340 | Matthew McNeilly | 38.35 | 9 | BB Min | A: 35.69 (+2.66s | 6.9%) | CAC Stingrays Swim Team | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 341 | Micah Lamb | 38.39 | 10 | BB Min | A: 35.69 (+2.70s | 7.0%) | Riptide Aquatics | 06/06/2025 | 2025 TAMPA BAY SWIM CLASSIC | |
| 342 | Isaac Osegueda | 38.41 | 10 | BB Min | A: 35.69 (+2.72s | 7.1%) | YMCA of Austin Swim Alliance | 04/19/2025 | 2025 ST ASC Long Course Kickoff | |
| 343 | Simiao He | 38.43 | 10 | BB Min | A: 35.69 (+2.74s | 7.1%) | Circle C Select Swim Team | 06/08/2025 | 2025 ST TXLA 14 U Sprint Cup | |
| 344 | Ian Addanki | 38.43 | 10 | BB Min | A: 35.69 (+2.74s | 7.1%) | Hudson Explorer Aquatic | 07/24/2025 | 2025 LE Age Group And Senior LC Championships | |
| 345 | Jace Djang | 38.43 | 10 | BB Min | A: 35.69 (+2.74s | 7.1%) | Lake Erie Silver Dolphins | 07/24/2025 | 2025 LE Age Group And Senior LC Championships | |
| 346 | Zachary Bixler | 38.44 | 10 | BB Min | A: 35.69 (+2.75s | 7.2%) | Inland Coastal Aquatic Club | 07/24/2025 | 2025 SI LC AG CHAMPS | |
| 347 | Logan Krutsinger | 38.44 | 9 | BB Min | A: 35.69 (+2.75s | 7.2%) | Nitro Swimming | 05/25/2025 | 2025 ST NTRO LC School S Out | |
| 348 | Jonathan Li | 38.44 | 8 | BB Min | A: 35.69 (+2.75s | 7.2%) | Brea Aquatics | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 349 | Miguel Ramirez | 38.45 | 9 | BB Min | A: 35.69 (+2.76s | 7.2%) | Blue Wave Swimming | 06/06/2025 | 2025 TAMPA BAY SWIM CLASSIC | |
| 350 | George Laconte | 38.45 | 9 | BB Min | A: 35.69 (+2.76s | 7.2%) | Asphalt Green Unified Aquatics | 08/06/2025 | 2025 Summer Elite Showcase | |
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.