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 | |
|---|---|---|---|---|---|---|---|---|---|
| 651 | Cayden Lin | 40.05 | 9 | B Min | BB: 39.79 (+0.26s | 0.6%) | Rosemead Rapids | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 652 | Laszlo Jakab | 40.05 | 10 | B Min | BB: 39.79 (+0.26s | 0.6%) | Florida Elite Swimming | 05/23/2025 | 2025 T2 Aquatics Norris Foundation LC Meet | |
| 653 | Francis Lou | 40.05 | 10 | B Min | BB: 39.79 (+0.26s | 0.6%) | Bay Club Aquatics | 07/11/2025 | 2025 SI JBST All Ages NTS Meet | |
| 654 | Keaton Poggetti | 40.06 | 10 | B Min | BB: 39.79 (+0.27s | 0.7%) | Highland Dolphins Aquatic Club | 05/17/2025 | 2025 LAMV SCM C B A+ | |
| 655 | Bennett Meusel | 40.06 | 9 | B Min | BB: 39.79 (+0.27s | 0.7%) | South East Metro Sharks | 05/29/2025 | 2025 MN WOLF HUFF N PUFF INVITE | |
| 656 | Andrew Szalay | 40.08 | 9 | B Min | BB: 39.79 (+0.29s | 0.7%) | Austin Swim Club | 06/27/2025 | 2025 ST HPAC Long Course STX Championship | |
| 657 | Ryan Karapostoles | 40.08 | 8 | B Min | BB: 39.79 (+0.29s | 0.7%) | Swim Melbourne | 06/07/2025 | 2025 TCA Aaron Vaughn Memorial | |
| 658 | Demid Mozgov | 40.08 | 9 | B Min | BB: 39.79 (+0.29s | 0.7%) | Bure-Aqua Academy | 05/16/2025 | 2025 CO ACES Spring Invite | |
| 659 | Charlie Matella | 40.09 | 10 | B Min | BB: 39.79 (+0.30s | 0.7%) | Alameda Gators | 04/26/2025 | PacSwim LCM C B BB+ Hosted By TERA | |
| 660 | Raizo Copp | 40.09 | 9 | B Min | BB: 39.79 (+0.30s | 0.7%) | King Aquatic Club | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | |
| 661 | Oliver Pearce | 40.09 | 9 | B Min | BB: 39.79 (+0.30s | 0.7%) | Aces Swim Club | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 662 | Bryant Stringham | 40.10 | 10 | B Min | BB: 39.79 (+0.31s | 0.8%) | Olympus Aquatics | 06/06/2025 | Speed Lake City 2025 | |
| 663 | Tang Zheng | 40.10 | 8 | B Min | BB: 39.79 (+0.31s | 0.8%) | Clearwater Aquatic Team | 06/07/2025 | 2025 Stingrays LCM Meet | |
| 664 | James Ballard | 40.11 | 9 | B Min | BB: 39.79 (+0.32s | 0.8%) | Rochester Swim Club | 07/18/2025 | 2025 MN MTKA Minnesota Regional Championship | |
| 665 | Gabriel Terrones | 40.11 | 9 | B Min | BB: 39.79 (+0.32s | 0.8%) | Team Eugene Aquatics | 06/06/2025 | 2025 THSC June Invitational | |
| 666 | Lockyer Landry | 40.11 | 9 | B Min | BB: 39.79 (+0.32s | 0.8%) | Treasure Coast Aquatics | 05/23/2025 | 2025 Dr Aspi Doctor Memorial Invitational | |
| 667 | Eli Lawson | 40.12 | 8 | B Min | BB: 39.79 (+0.33s | 0.8%) | Dolphin Aquatics | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 668 | Greyson Huddleston | 40.13 | 8 | B Min | BB: 39.79 (+0.34s | 0.8%) | Patriot Aquatics | 06/12/2025 | 2025 RAFC Summer Solstice | |
| 669 | Marcus Pass | 40.14 | 8 | B Min | BB: 39.79 (+0.35s | 0.9%) | Sioux Falls Swim Team | 04/25/2025 | Augustana Spring Splash 2025 | |
| 670 | Elwood Zygarlicke | 40.14 | 10 | B Min | BB: 39.79 (+0.35s | 0.9%) | West Express Swim Team | 07/18/2025 | 2025 MN TUNA Minnesota Regional Championship | |
| 671 | Adam Zamora | 40.14 | 10 | B Min | BB: 39.79 (+0.35s | 0.9%) | La Grande Swim Club | 07/25/2025 | 2025 IES LC CHAMPIONSHIPS | |
| 672 | William Palumbo | 40.15 | 8 | B Min | BB: 39.79 (+0.36s | 0.9%) | Nova of Virginia | 07/11/2024 | 2024 RAYS Summer Awards | |
| 673 | Ethan Wang | 40.16 | 8 | B Min | BB: 39.79 (+0.37s | 0.9%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 674 | Kota Whitman | 40.17 | 9 | B Min | BB: 39.79 (+0.38s | 0.9%) | North Bay Aquatics | 06/22/2024 | NVST S LAST CHANCE JO SUMMER PLUNGE | |
| 675 | Jackson Macaluso | 40.18 | 9 | B Min | BB: 39.79 (+0.39s | 1.0%) | Tampa Elite Aquatics | 06/12/2025 | 2025 RAFC Summer Solstice | |
| 676 | Patrick McClutchy | 40.20 | 10 | B Min | BB: 39.79 (+0.41s | 1.0%) | Occoquan Swimming | 08/06/2025 | 2025 Summer Elite Showcase | |
| 677 | Canen Kautzer | 40.20 | 10 | B Min | BB: 39.79 (+0.41s | 1.0%) | Lakewood Ranch Swim Associatio | 05/16/2025 | 2025 SYS Memorial Meet | |
| 678 | Adrian Burangulov | 40.20 | 10 | B Min | BB: 39.79 (+0.41s | 1.0%) | Gator Swim Club | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 679 | Emilio Retana | 40.20 | 8 | B Min | BB: 39.79 (+0.41s | 1.0%) | El Paso Aqua Posse | 07/19/2024 | 2024 BD LCM Border Champs | |
| 680 | Charles Liu Bates | 40.21 | 9 | B Min | BB: 39.79 (+0.42s | 1.0%) | Unattached | 05/25/2024 | 2024 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 681 | Timothy Lee | 40.21 | 8 | B Min | BB: 39.79 (+0.42s | 1.0%) | Great Illinois Swimmers | 08/06/2025 | 2025 Summer Elite Showcase | |
| 682 | Luka Zarnesky | 40.22 | 7 | B Min | BB: 39.79 (+0.43s | 1.1%) | SwimStrongsville | 05/31/2025 | CCS Age Group And Open Long Course Meet | |
| 683 | Giovanni Chairez | 40.24 | 9 | B Min | BB: 39.79 (+0.45s | 1.1%) | High Performance Aquatic Club | 04/26/2025 | 2025 HPAC Banana Slug Beach Bash | |
| 684 | David Zhang | 40.25 | 10 | B Min | BB: 39.79 (+0.46s | 1.1%) | Pacific Dragons Swim Team | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 685 | Nicolas Bastida Gonzalez | 40.26 | 9 | B Min | BB: 39.79 (+0.47s | 1.2%) | Titanes de Tym | 05/02/2025 | 2025 ST 22nd Annual Cinco De Mayo | |
| 686 | Jayden Zhu | 40.26 | 10 | B Min | BB: 39.79 (+0.47s | 1.2%) | Otter Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 687 | Andreas Kwiram | 40.26 | 8 | B Min | BB: 39.79 (+0.47s | 1.2%) | Hills Hurricane Swimming | 04/26/2025 | PacSwim LCM C B BB+ Hosted By TERA | |
| 688 | Phinnaeus Johnson | 40.28 | 9 | B Min | BB: 39.79 (+0.49s | 1.2%) | South Valley Makos | 06/27/2025 | Valley Splash | |
| 689 | Cullen Worthington | 40.28 | 9 | B Min | BB: 39.79 (+0.49s | 1.2%) | Nova of Virginia | 07/11/2024 | 2024 RAYS Summer Awards | |
| 690 | Evan Guan | 40.29 | 9 | B Min | BB: 39.79 (+0.50s | 1.2%) | Chinook Aquatic Club | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 691 | Steven Kimeu | 40.29 | 9 | B Min | BB: 39.79 (+0.50s | 1.2%) | Rochester Swim Club | 07/18/2025 | 2025 MN MTKA Minnesota Regional Championship | |
| 692 | Alexander Stepania | 40.29 | 8 | B Min | BB: 39.79 (+0.50s | 1.2%) | Bellevue Club Swim Team | 05/29/2025 | 2025 IE VS Apple Capital | |
| 693 | Youssef Mahassine | 40.29 | 10 | B Min | BB: 39.79 (+0.50s | 1.2%) | Walnut Creek Aquabears | 06/20/2025 | Zone 2 Last Chance To AG Champs | |
| 694 | Ezra Junio | 40.31 | 9 | B Min | BB: 39.79 (+0.52s | 1.3%) | Legacy Aquatics | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 695 | Anderson Miller | 40.31 | 9 | B Min | BB: 39.79 (+0.52s | 1.3%) | SwimRVA | 04/20/2024 | 2024 SRVA Long Course Kick Off | |
| 696 | Evan McGuire | 40.33 | 9 | B Min | BB: 39.79 (+0.54s | 1.3%) | Texas Gold | 05/02/2025 | 2025 ST 22nd Annual Cinco De Mayo | |
| 697 | Peter Hofman | 40.33 | 9 | B Min | BB: 39.79 (+0.54s | 1.3%) | Cascade Swim Club | 06/20/2025 | 2025 IE VS Starlight Open | |
| 698 | Braden Rees | 40.34 | 10 | B Min | BB: 39.79 (+0.55s | 1.4%) | Utah Valley Aquatics | 05/08/2025 | 2025 HAST Janet Oles LC Classic | |
| 699 | Zhengran Shao | 40.34 | 10 | B Min | BB: 39.79 (+0.55s | 1.4%) | Bolles School Sharks | 07/25/2025 | 2025 Area 1 LCM Championships | |
| 700 | Gage Sena | 40.35 | 9 | B Min | BB: 39.79 (+0.56s | 1.4%) | Lamarlins Swim Team, Inc. | 07/12/2025 | 2025 Canon City Pentathlon | |
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.