USA Boys 10 & under - 50 Y Breast
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 751 | Timur Metov | 42.46 | 10 | BB Min | A: 42.09 (+0.37s | 0.9%) | Montverde Aquatic Club | 02/28/2026 | 2026 Spring Area 2 Championships | |
| 752 | Nolan Meinen | 42.46 | 10 | BB Min | A: 42.09 (+0.37s | 0.9%) | Nitro Swimming | 02/20/2026 | 2026 ST AAAA SC STAGS | |
| 753 | Andrew Howard | 42.47 | 10 | BB Min | A: 42.09 (+0.38s | 0.9%) | Holyoke YMCA Vikings | 03/21/2026 | 2026 NE YNS YMCA New England Championship | |
| 754 | Christopher Laczynski | 42.47 | 10 | BB Min | A: 42.09 (+0.38s | 0.9%) | Summerville Family YMCA | 03/19/2026 | 2026 USRY Short Course Champs | |
| 755 | William Power | 42.47 | 10 | BB Min | A: 42.09 (+0.38s | 0.9%) | Monterey Bay Swim Club | 07/18/2025 | CVAL | |
| 756 | Austin Yang | 42.48 | 10 | BB Min | A: 42.09 (+0.39s | 0.9%) | Three Village Swim Club | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 757 | Leo Ioffe | 42.49 | 9 | BB Min | A: 42.09 (+0.40s | 0.9%) | Santa Clara Swim Club | 02/28/2026 | Swim South Bay | |
| 758 | Andres Sierra | 42.50 | 10 | BB Min | A: 42.09 (+0.41s | 1.0%) | San Juan Carib� | 11/22/2024 | 2024 RAFC Almost Turkey Invitational | |
| 759 | Connor O'Connell | 42.51 | 10 | BB Min | A: 42.09 (+0.42s | 1.0%) | Hurricane Penguins Swim Club | 03/07/2026 | 2026 Lake Ontario Regional Meet | |
| 760 | Adam Boned | 42.51 | 9 | BB Min | A: 42.09 (+0.42s | 1.0%) | Bergen Barracudas Swim Team | 01/23/2026 | 2026 MR HAWKS AD Trials And Finals | |
| 761 | Samuel Holmes | 42.51 | 9 | BB Min | A: 42.09 (+0.42s | 1.0%) | Lowes YMCA Lightning Swim Team | 03/19/2026 | 2026 USRY Short Course Champs | |
| 762 | Theodore Chartrand | 42.51 | 10 | BB Min | A: 42.09 (+0.42s | 1.0%) | Machine Aquatics | 02/20/2026 | 2026 Machine Qualifier | |
| 763 | Philip Wong | 42.51 | 10 | BB Min | A: 42.09 (+0.42s | 1.0%) | Trident Aquatic Club | 02/20/2026 | 2026 MR Metro Silver Central Champs WEST | |
| 764 | Zhouhan Yang | 42.51 | 10 | BB Min | A: 42.09 (+0.42s | 1.0%) | Alto Swim Club | 03/28/2026 | Alto Rock The Blocks Invitational 2026 | |
| 765 | Alexander Donovan | 42.51 | 10 | BB Min | A: 42.09 (+0.42s | 1.0%) | Eastern Nassau Aquatic Club | 01/16/2026 | 2026 MR LIE Winterfest Invitational | |
| 766 | Luca Tutill | 42.51 | 10 | BB Min | A: 42.09 (+0.42s | 1.0%) | Sleepy Hollow | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | |
| 767 | Connor Stitt | 42.51 | 10 | BB Min | A: 42.09 (+0.42s | 1.0%) | Mecklenburg Swim Association | 02/07/2026 | MSA IM Tough Meet 2026 | |
| 768 | Jonathan Nelson | 42.52 | 10 | BB Min | A: 42.09 (+0.43s | 1.0%) | Utah Valley Aquatics | 12/26/2024 | 59th Kearns Holiday Open Invitational | |
| 769 | Leland Tsou | 42.53 | 9 | BB Min | A: 42.09 (+0.44s | 1.0%) | Paseo Aquatics Swim Team | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 770 | Calvin Luoma | 42.53 | 10 | BB Min | A: 42.09 (+0.44s | 1.0%) | Egra Waves | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 771 | Bryan HU | 42.54 | 9 | BB Min | A: 42.09 (+0.45s | 1.1%) | Aquazot Swim Club | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 772 | Patrick Yuan | 42.54 | 10 | BB Min | A: 42.09 (+0.45s | 1.1%) | Long Island Aquatic Club | 02/20/2026 | 2026 MR Silvers Championship South HAUP | |
| 773 | Nevan Souffront | 42.54 | 10 | BB Min | A: 42.09 (+0.45s | 1.1%) | Clearwater Aquatic Team | 02/20/2026 | Bay Area Spring Championships | |
| 774 | Jimmie Jones | 42.55 | 9 | BB Min | A: 42.09 (+0.46s | 1.1%) | Razor Aquatics | 01/16/2026 | SLA Arctic Blast 2026 | |
| 775 | Kirill Sheremet | 42.56 | 10 | BB Min | A: 42.09 (+0.47s | 1.1%) | Merritt Athletic Swimming | 12/04/2025 | 2025 Sport Fair Winter Classic | |
| 776 | Aleksandr Rybin | 42.56 | 10 | BB Min | A: 42.09 (+0.47s | 1.1%) | King Aquatic Club | 11/22/2025 | 2025 PN November AGI Div 1 (PDST) | |
| 777 | Joseph Chung | 42.56 | 10 | BB Min | A: 42.09 (+0.47s | 1.1%) | SwimMAC Carolina | 11/15/2025 | 2025 John Dewey Invitational | |
| 778 | Ari Mobasseri | 42.57 | 8 | BB Min | A: 42.09 (+0.48s | 1.1%) | Aquazot Swim Club | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 779 | Enrique Acosta | 42.57 | 10 | BB Min | A: 42.09 (+0.48s | 1.1%) | EL Paso Border Land Swim Team | 02/27/2026 | 2026 BD SCY Border Champs | |
| 780 | Bill Curran | 42.58 | 9 | BB Min | A: 42.09 (+0.49s | 1.2%) | Revolution Swim Club | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 781 | James Milchteim | 42.58 | 9 | BB Min | A: 42.09 (+0.49s | 1.2%) | Bay Club Aquatics | 03/06/2026 | 2026 SI 14U AGE GRP CHAMPIONSHIPS | |
| 782 | Carter Novak | 42.58 | 10 | BB Min | A: 42.09 (+0.49s | 1.2%) | Aquatic Team Of Mecklenburg | 03/20/2026 | 2026 BRSL Championships | |
| 783 | Santiago Diaz | 42.59 | 9 | BB Min | A: 42.09 (+0.50s | 1.2%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 784 | Timur Kochmar | 42.60 | 9 | BB Min | A: 42.09 (+0.51s | 1.2%) | SwimRight Team | 10/10/2025 | 2025 Gulliver Fall Classic | |
| 785 | William Martzke | 42.61 | 10 | BB Min | A: 42.09 (+0.52s | 1.2%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 10/17/2025 | 2025 OLY Fall Classic | |
| 786 | Elliott Boland | 42.61 | 10 | BB Min | A: 42.09 (+0.52s | 1.2%) | Academy Swim Club | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 787 | Santiago Diaz | 42.61 | 9 | BB Min | A: 42.09 (+0.52s | 1.2%) | Rockville Montgomery Swim Club | 12/11/2025 | 2025 Riley Eaton Holiday Invitational | |
| 788 | Phinnaeus Johnson | 42.62 | 10 | BB Min | A: 42.09 (+0.53s | 1.2%) | Gilroy Gators Swim Team | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 789 | Max Matov | 42.62 | 10 | BB Min | A: 42.09 (+0.53s | 1.2%) | Commonwealth Swimming | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 790 | Harrison Carr | 42.63 | 10 | BB Min | A: 42.09 (+0.54s | 1.3%) | Aquajets Swim Team | 11/08/2025 | 2025 MN WOLF HOWL AT THE MOON INVITE | |
| 791 | Pietro Bucci | 42.63 | 10 | BB Min | A: 42.09 (+0.54s | 1.3%) | United Swim Club | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 792 | James Heilbronn | 42.64 | 10 | BB Min | A: 42.09 (+0.55s | 1.3%) | Saline Swim Team | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 793 | Adrian Andrychowski | 42.64 | 10 | BB Min | A: 42.09 (+0.55s | 1.3%) | Westport Weston Family YMCA Wa | 12/11/2025 | 2025 NE SHAWMUT Candy Cane Classic | |
| 794 | Everett King | 42.65 | 10 | BB Min | A: 42.09 (+0.56s | 1.3%) | Worthington Swim Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 795 | Jameson Knesek | 42.65 | 10 | BB Min | A: 42.09 (+0.56s | 1.3%) | Supernova Swim Team | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 796 | Thomas Ciarniello | 42.65 | 10 | BB Min | A: 42.09 (+0.56s | 1.3%) | Nation\\\\\\'s Capital Swim Club | 01/17/2026 | PVS January Open 2026 PWCS | |
| 797 | Alex Dmyterko | 42.66 | 10 | BB Min | A: 42.09 (+0.57s | 1.3%) | Wahoo\\\\\\'s of Wellington | 03/05/2026 | 2026 FG Age Group SCY Championships | |
| 798 | Lucas Pan | 42.66 | 9 | BB Min | A: 42.09 (+0.57s | 1.3%) | Santa Clara Swim Club | 11/08/2025 | Folsom Classic 2025 | |
| 799 | Yifan Liu | 42.67 | 8 | BB Min | A: 42.09 (+0.58s | 1.4%) | Mei\\\\\\'s Typhoons Swimming Club | 03/13/2026 | 2026 NE INST NE Cup | |
| 800 | Davis Chappell | 42.68 | 9 | BB Min | A: 42.09 (+0.59s | 1.4%) | Hampton Virginia Current | 11/14/2025 | ISCA Fall Classic Championship 2025 | |
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.