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 | |
|---|---|---|---|---|---|---|---|---|---|
| 3351 | Hunter Mayne | 43.66 | 9 | B Min | BB: 42.89 (+0.77s | 1.8%) | Empire Swimming | 12/11/2025 | 2025 NE CRA Winter Invitational | |
| 3352 | 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 | |
| 3353 | 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+ | |
| 3354 | Ali Celik | 43.68 | 10 | B Min | BB: 42.89 (+0.79s | 1.8%) | Hurricane Aquatics | 06/20/2026 | NMST BMHG June Summer Invite 26 (SCY) Cop | |
| 3355 | William Martzke | 43.68 | 10 | B Min | BB: 42.89 (+0.79s | 1.8%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 01/31/2026 | 2026 Guppy Bowl | |
| 3356 | 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 | |
| 3357 | David Moore | 43.68 | 9 | B Min | BB: 42.89 (+0.79s | 1.8%) | SwimMAC Carolina | 02/14/2026 | 2026 SwimMAC Qualifier Festival | |
| 3358 | 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 | |
| 3359 | Anderson Fang | 43.69 | 8 | B Min | BB: 42.89 (+0.80s | 1.8%) | Reno Aquatic Club | 03/14/2026 | 2026 NNA AGO | |
| 3360 | 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 | |
| 3361 | 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 | |
| 3362 | Ray Hoage | 43.69 | 10 | B Min | BB: 42.89 (+0.80s | 1.8%) | Tollefson Swimming | 01/17/2026 | PVS January Open 2026 Fairland | |
| 3363 | Jennings Schommer-Lindley | 43.69 | 9 | B Min | BB: 42.89 (+0.80s | 1.8%) | Heal Swim Club | 05/22/2026 | 2026 ISCA National Diversity Swim Champ | |
| 3364 | Jacob Elmer | 43.69 | 10 | B Min | BB: 42.89 (+0.80s | 1.8%) | Monmouth Barracudas | 04/10/2026 | 2026 GTSA TYR Spring Championship | |
| 3365 | 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 | |
| 3366 | 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 | |
| 3367 | 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 | |
| 3368 | 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 | |
| 3369 | 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 | |
| 3370 | 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 | |
| 3371 | Jonaz Valencia | 43.70 | 8 | B Min | BB: 42.89 (+0.81s | 1.9%) | Canyons Aquatic Club | 10/25/2025 | CANY Harry Potter Meet | |
| 3372 | 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 | |
| 3373 | 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 | |
| 3374 | 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 | |
| 3375 | 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 | |
| 3376 | 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 | |
| 3377 | Nathaniel Liparini | 43.71 | 9 | B Min | BB: 42.89 (+0.82s | 1.9%) | Swim Melbourne | 06/27/2025 | 2025 Area 6 Summer Championship | |
| 3378 | Lazar Bursac | 43.71 | 9 | B Min | BB: 42.89 (+0.82s | 1.9%) | Blue Wave Swimming | 02/20/2026 | Bay Area Spring Championships | |
| 3379 | Taenam Oh jr | 43.71 | 9 | B Min | BB: 42.89 (+0.82s | 1.9%) | Bolles School Sharks | 02/20/2026 | 2026 Area 1 Spring Championships | |
| 3380 | 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 | |
| 3381 | Kayvan Tabarrok | 43.71 | 9 | B Min | BB: 42.89 (+0.82s | 1.9%) | Piedmont Swim Team | 05/29/2026 | Piedmont Swim Team Club Championships | |
| 3382 | Lucas Sun | 43.72 | 10 | B Min | BB: 42.89 (+0.83s | 1.9%) | Alto Swim Club | 01/24/2026 | 2026 Zone 1 North Championships | |
| 3383 | 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 | |
| 3384 | Eli Spence | 43.72 | 8 | B Min | BB: 42.89 (+0.83s | 1.9%) | Aquaventure Riptides | 01/10/2026 | 2026 RMY Winter Invitational | |
| 3385 | Ethan Li | 43.72 | 9 | B Min | BB: 42.89 (+0.83s | 1.9%) | Pacific Dragons Swim Team | 01/24/2026 | 2026 PN PDST Winter Invitational Meet Approv | |
| 3386 | 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 | |
| 3387 | Cairo Monreal | 43.73 | 10 | B Min | BB: 42.89 (+0.84s | 1.9%) | Parkway-Rockwood Gateway Swim | 06/24/2026 | GTWY Get Your Best Yard Times | |
| 3388 | 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 | |
| 3389 | Noah Byerly | 43.73 | 9 | B Min | BB: 42.89 (+0.84s | 1.9%) | Tollefson Swimming | 01/17/2026 | PVS January Open 2026 Fairland | |
| 3390 | Thomas Van Epp | 43.74 | 9 | B Min | BB: 42.89 (+0.85s | 1.9%) | Nova of Virginia | 11/22/2025 | NOVA Cranberry Contender | |
| 3391 | 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 | |
| 3392 | 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 | |
| 3393 | 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 | |
| 3394 | Max Madera | 43.74 | 10 | B Min | BB: 42.89 (+0.85s | 1.9%) | Fast Falcons | 02/28/2026 | 2026 Area 4 Spring Champs | |
| 3395 | 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 | |
| 3396 | 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 | |
| 3397 | Braxton Almeyda-Menendez | 43.74 | 10 | B Min | BB: 42.89 (+0.85s | 1.9%) | Fenix Swim Club | 06/06/2026 | NMST June Invite 26 | |
| 3398 | Jayden Chen | 43.74 | 10 | B Min | BB: 42.89 (+0.85s | 1.9%) | Tualatin Hills Swim Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 3399 | 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 | |
| 3400 | 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 | |
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.