USA Boys 10 & under - 50 Y Back
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 3801 | Ethan Ryder | 43.67 | 10 | B Min | BB: 42.89 (+0.78s | 1.8%) | Mystic Hammerheads | 02/01/2026 | 2026 NE NCYW 36th Annual YMCA Pentathlon | |
| 3802 | Jake Gehlert | 43.67 | 9 | B Min | BB: 42.89 (+0.78s | 1.8%) | Piedmont Swim Team | 03/28/2026 | Piedmont Swim Team C B BB+ | |
| 3803 | William Martzke | 43.68 | 10 | B Min | BB: 42.89 (+0.79s | 1.8%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 01/31/2026 | 2026 Guppy Bowl | |
| 3804 | Elan Lopez | 43.68 | 10 | B Min | BB: 42.89 (+0.79s | 1.8%) | Hauppauge Swimming | 03/13/2026 | 2026 NE CRA End Of Season March Invite | |
| 3805 | David Moore | 43.68 | 9 | B Min | BB: 42.89 (+0.79s | 1.8%) | SwimMAC Carolina | 02/14/2026 | 2026 SwimMAC Qualifier Festival | |
| 3806 | Tyler Richter | 43.68 | 10 | B Min | BB: 42.89 (+0.79s | 1.8%) | YMCA Fairfax County Reston | 12/21/2025 | 2025 FOX Winter Clean Up Meet | |
| 3807 | Oliver Robinson | 43.69 | 10 | B Min | BB: 42.89 (+0.80s | 1.8%) | Riptide Swim Team | 03/06/2026 | 2026 CO 14 U Silver State | |
| 3808 | Anderson Fang | 43.69 | 8 | B Min | BB: 42.89 (+0.80s | 1.8%) | Reno Aquatic Club | 03/14/2026 | 2026 NNA AGO | |
| 3809 | Charles Grussendorf | 43.69 | 9 | B Min | BB: 42.89 (+0.80s | 1.8%) | Blackline Aquatics | 02/27/2026 | 2026 MN RSC Minnesota Regional Championship | |
| 3810 | Matteo Pinto | 43.69 | 8 | B Min | BB: 42.89 (+0.80s | 1.8%) | Tac Titans | 03/25/2026 | 2026 TAC TITANS Tarheel States Meet | |
| 3811 | Ray Hoage | 43.69 | 10 | B Min | BB: 42.89 (+0.80s | 1.8%) | Tollefson Swimming | 01/17/2026 | PVS January Open 2026 Fairland | |
| 3812 | Taylor Kent | 43.69 | 9 | B Min | BB: 42.89 (+0.80s | 1.8%) | Birmingham Swim League | 11/07/2025 | 2025 SE BSL Cranberry Classic | |
| 3813 | Marcus Wang | 43.70 | 10 | B Min | BB: 42.89 (+0.81s | 1.9%) | Pacific Dragons Swim Team | 01/24/2026 | 2026 PN PDST Winter Invitational Meet Approv | |
| 3814 | Tobin Zhao | 43.70 | 10 | B Min | BB: 42.89 (+0.81s | 1.9%) | Eastern Nassau Aquatic Club | 01/30/2026 | 2026 MR LIE Second Chance Invitational | |
| 3815 | Drew Piatt | 43.70 | 10 | B Min | BB: 42.89 (+0.81s | 1.9%) | Hilliard Hurricanes | 02/19/2026 | 2026 OH UASC SC Regional Championships | |
| 3816 | Vincent Mansueto | 43.70 | 9 | B Min | BB: 42.89 (+0.81s | 1.9%) | Three Village Swim Club | 03/27/2026 | 2026 MR Bronze Championship South LIE | |
| 3817 | Jonaz Valencia | 43.70 | 8 | B Min | BB: 42.89 (+0.81s | 1.9%) | Canyons Aquatic Club | 10/25/2025 | CANY Harry Potter Meet | |
| 3818 | Aryan Malhotra | 43.70 | 7 | B Min | BB: 42.89 (+0.81s | 1.9%) | Quicksilver Swimming | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 3819 | Oliver Ng | 43.70 | 10 | B Min | BB: 42.89 (+0.81s | 1.9%) | Life Time Oregon Swim Team | 10/17/2025 | 2025 CST Harvest Open | |
| 3820 | Jace Gordon | 43.70 | 9 | B Min | BB: 42.89 (+0.81s | 1.9%) | Los Gatos Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 3821 | Arjun Raghavendran | 43.70 | 10 | B Min | BB: 42.89 (+0.81s | 1.9%) | California Dolphins Swim Team | 03/28/2026 | PC CDST SC C B BB+ Meet | |
| 3822 | John Theodorou | 43.71 | 10 | B Min | BB: 42.89 (+0.82s | 1.9%) | Mariemont Ohio Swim Team | 02/19/2026 | 2026 OH RAYS SC Regional Championships | |
| 3823 | Luke Rubino | 43.71 | 9 | B Min | BB: 42.89 (+0.82s | 1.9%) | The Woodlands Swim Team | 01/17/2025 | 2025 TWST Speedo Winter Classic Invitational | |
| 3824 | Nathaniel Liparini | 43.71 | 9 | B Min | BB: 42.89 (+0.82s | 1.9%) | Swim Melbourne | 06/27/2025 | 2025 Area 6 Summer Championship | |
| 3825 | Taenam Oh jr | 43.71 | 8 | B Min | BB: 42.89 (+0.82s | 1.9%) | Bolles School Sharks | 02/20/2026 | 2026 Area 1 Spring Championships | |
| 3826 | Lazar Bursac | 43.71 | 9 | B Min | BB: 42.89 (+0.82s | 1.9%) | Blue Wave Swimming | 02/20/2026 | Bay Area Spring Championships | |
| 3827 | Oxlyn Lystad | 43.71 | 8 | B Min | BB: 42.89 (+0.82s | 1.9%) | Red Wing Swim Club | 03/27/2026 | 2026 MN RWSC Fall Winter Mini Meet Champs | |
| 3828 | Wyatt Brown | 43.71 | 10 | B Min | BB: 42.89 (+0.82s | 1.9%) | Highbridge Aquatics | 12/05/2025 | 2025 Holiday Classic | |
| 3829 | Lucas Sun | 43.72 | 9 | B Min | BB: 42.89 (+0.83s | 1.9%) | Alto Swim Club | 01/24/2026 | 2026 Zone 1 North Championships | |
| 3830 | Ethan Shao | 43.72 | 7 | B Min | BB: 42.89 (+0.83s | 1.9%) | Rhode Island Aquatic Club | 01/16/2026 | 2026 NE CS Bronze Championships | |
| 3831 | Zai Russell | 43.72 | 9 | B Min | BB: 42.89 (+0.83s | 1.9%) | Sarasota Sharks | 11/07/2025 | 2025 SYS Turkey Meet | |
| 3832 | Eli Spence | 43.72 | 8 | B Min | BB: 42.89 (+0.83s | 1.9%) | Aquaventure Riptides | 01/10/2026 | 2026 RMY Winter Invitational | |
| 3833 | Grayson King | 43.72 | 9 | B Min | BB: 42.89 (+0.83s | 1.9%) | Riptide Swim Team | 02/27/2026 | 2026 MN MAN Minnesota Regional Championship | |
| 3834 | Ethan Li | 43.72 | 8 | B Min | BB: 42.89 (+0.83s | 1.9%) | Pacific Dragons Swim Team | 01/24/2026 | 2026 PN PDST Winter Invitational Meet Approv | |
| 3835 | Noah Byerly | 43.73 | 9 | B Min | BB: 42.89 (+0.84s | 1.9%) | Tollefson Swimming | 01/17/2026 | PVS January Open 2026 Fairland | |
| 3836 | Arthur Dauletbaev | 43.73 | 9 | B Min | BB: 42.89 (+0.84s | 1.9%) | Wave Aquatics | 02/27/2026 | 2026 PN February AGI, Division 2 Approved | |
| 3837 | Mars Meihack | 43.74 | 9 | B Min | BB: 42.89 (+0.85s | 1.9%) | Tualatin Hills Swim Club | 12/12/2025 | 2025 OR TTSC Holiday Invitational Meet | |
| 3838 | Thomas Van Epp | 43.74 | 9 | B Min | BB: 42.89 (+0.85s | 1.9%) | Nova of Virginia | 11/22/2025 | NOVA Cranberry Contender | |
| 3839 | Asher Kim | 43.74 | 10 | B Min | BB: 42.89 (+0.85s | 1.9%) | Huntsville Swim Association | 02/06/2026 | 2026 SES Region 3 Champions | |
| 3840 | Levi Burrows | 43.74 | 10 | B Min | BB: 42.89 (+0.85s | 1.9%) | St Croix Swim Club | 02/13/2026 | 2026 MN RSC President S Day Meet | |
| 3841 | Max Madera | 43.74 | 10 | B Min | BB: 42.89 (+0.85s | 1.9%) | Fast Falcons | 02/28/2026 | 2026 Area 4 Spring Champs | |
| 3842 | Eli Catlin | 43.74 | 8 | B Min | BB: 42.89 (+0.85s | 1.9%) | O\\\\\\'Neal Aquatics | 03/20/2026 | 2026 STAR Tar Heel States | |
| 3843 | Dylan Wind | 43.74 | 9 | B Min | BB: 42.89 (+0.85s | 1.9%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 02/13/2026 | 2026 Showdown In Motown | |
| 3844 | Jayden Chen | 43.74 | 9 | B Min | BB: 42.89 (+0.85s | 1.9%) | Tualatin Hills Swim Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 3845 | Colt Rodeheaver | 43.74 | 9 | B Min | BB: 42.89 (+0.85s | 1.9%) | Seattle Metropolitan Aquatic C | 11/16/2025 | 2025 PN PAC Q Meet | |
| 3846 | Luke Baang | 43.74 | 9 | B Min | BB: 42.89 (+0.85s | 1.9%) | Saline Swim Team | 03/07/2026 | 2026 Lake Ontario Regional Meet | |
| 3847 | Shiloh Gibson | 43.75 | 8 | B Min | BB: 42.89 (+0.86s | 2.0%) | Miami County Day Aquatic | 02/20/2026 | 2026 FG SCY BB Championships SOUTH | |
| 3848 | Emmett Raj | 43.75 | 9 | B Min | BB: 42.89 (+0.86s | 2.0%) | York Swim Club of Northern Vir | 12/12/2025 | 2025 MAKO HOLIDAY INVITATIONAL | |
| 3849 | Ryan Musser | 43.75 | 8 | B Min | BB: 42.89 (+0.86s | 2.0%) | All Star Aquatics | 02/13/2026 | 2026 ASA President S Day Classic | |
| 3850 | Kepler Ring | 43.75 | 10 | B Min | BB: 42.89 (+0.86s | 2.0%) | Palo Alto Stanford Aquatics | 03/07/2026 | 2026 PASA Last Chance For JO S | |
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.