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 | |
|---|---|---|---|---|---|---|---|---|---|
| 4301 | Camden Knutson | 45.90 | 10 | B Min | BB: 42.89 (+3.01s | 6.6%) | River Falls Swim Club | 05/02/2026 | 2026 MN RFSC Spring Invite | |
| 4302 | Thomas Morris | 45.90 | 10 | B Min | BB: 42.89 (+3.01s | 6.6%) | Marlins Of Raleigh | 03/14/2026 | 2026 MOR Reagan Martin Rocks Swim Meet | |
| 4303 | Gabriel Fabiano | 45.90 | 10 | B Min | BB: 42.89 (+3.01s | 6.6%) | Sporting Jax Aquatic Club | 10/25/2025 | 2025 SJAC Halloween Invitational | |
| 4304 | Maxwell Kushner | 45.90 | 8 | B Min | BB: 42.89 (+3.01s | 6.6%) | Castle Rock Swimming | 09/24/2026 | 2026 CO ROCK Black Blue Showdown | |
| 4305 | Jackson Scott | 45.91 | 10 | B Min | BB: 42.89 (+3.02s | 6.6%) | Coast Gaurd Blue Dolphins | 01/09/2026 | 2026 757swim Splash And Dash | |
| 4306 | Luke Jeong | 45.91 | 9 | B Min | BB: 42.89 (+3.02s | 6.6%) | Auburn Aquatics | 10/03/2025 | 2025 SE War Eagle Invitational | |
| 4307 | Maddox Gingles | 45.91 | 10 | B Min | BB: 42.89 (+3.02s | 6.6%) | Wake Aquatics | 10/03/2026 | 2026 SES WAKE CTA Spooky Splash | |
| 4308 | Sebastian Alfonso | 45.91 | 10 | B Min | BB: 42.89 (+3.02s | 6.6%) | Walnut Creek Aquabears | 03/28/2026 | Piedmont Swim Team C B BB+ | |
| 4309 | Jeremiah Yoo | 45.91 | 8 | B Min | BB: 42.89 (+3.02s | 6.6%) | Bellevue Club Swim Team | 10/23/2026 | 2026 THSC Fall Invitational | |
| 4310 | Teo Dickens | 45.91 | 10 | B Min | BB: 42.89 (+3.02s | 6.6%) | Lake Oswego Swim Club | 10/23/2026 | 2026 TEAM IMX Challenge | |
| 4311 | Finn Blayney | 45.92 | 8 | B Min | BB: 42.89 (+3.03s | 6.6%) | Machine Aquatics | 02/20/2026 | 2026 Machine Qualifier | |
| 4312 | Beckham Thompson | 45.92 | 10 | B Min | BB: 42.89 (+3.03s | 6.6%) | Tampa Elite Aquatics | 10/02/2026 | SAINT PETE AQUATICS FRI NITE RACE OCT 2 2026 | |
| 4313 | Taeo Kettering | 45.92 | 9 | B Min | BB: 42.89 (+3.03s | 6.6%) | Bellevue Club Swim Team | 10/03/2026 | 2026 PN CSC Fall Classic Invitational Approve | |
| 4314 | Forest Roden | 45.92 | 9 | B Min | BB: 42.89 (+3.03s | 6.6%) | Huntsville Swim Association | 09/26/2026 | 2026 Ricky Hui Meet | |
| 4315 | Dominic Coyle | 45.93 | 9 | B Min | BB: 42.89 (+3.04s | 6.6%) | Cardinal and Gold Aquatics | 11/14/2025 | Harvest Festival 2025 | |
| 4316 | Zachariah Sivaraj | 45.93 | 8 | B Min | BB: 42.89 (+3.04s | 6.6%) | Sawtooth Aquatic Club | 12/04/2025 | 2025 Holiday Swim Festival | |
| 4317 | Joseph Sheppard | 45.93 | 9 | B Min | BB: 42.89 (+3.04s | 6.6%) | Tide Swimming | 10/10/2025 | 2025 TIDE Atlantic Coast Clash Copied | |
| 4318 | Tobias Santos | 45.93 | 8 | B Min | BB: 42.89 (+3.04s | 6.6%) | Stingray Swim Team | 10/17/2026 | 2026 PN MMSC Fall Invite Approved | |
| 4319 | Brady Burnsky | 45.94 | 7 | B Min | BB: 42.89 (+3.05s | 6.6%) | Rockville Montgomery Swim Club | 12/06/2025 | 2025 Reindeer Mini Meet | |
| 4320 | Hongxiao Chen | 45.94 | 10 | B Min | BB: 42.89 (+3.05s | 6.6%) | Holyoke YMCA Vikings | 03/21/2026 | 2026 NE YNS YMCA New England Championship | |
| 4321 | David Whalen | 45.94 | 9 | B Min | BB: 42.89 (+3.05s | 6.6%) | Dexter Community Aquatic Club | 02/14/2026 | 2026 Best ValenTimes Meet | |
| 4322 | Pravas Lama | 45.94 | 9 | B Min | BB: 42.89 (+3.05s | 6.6%) | Mount Hood Aquatics | 08/07/2026 | 2026 OR NST Seahorse Invitational | |
| 4323 | Piradon Pukrittayakamee | 45.94 | 9 | B Min | BB: 42.89 (+3.05s | 6.6%) | California Dolphins Swim Team | 07/25/2026 | Zone 2 Summer Championships | |
| 4324 | Nicolas Mattingly | 45.94 | 9 | B Min | BB: 42.89 (+3.05s | 6.6%) | Cardinal Aquatics | 10/16/2026 | 2026 SwimVille USA Jack Thompson Classic | |
| 4325 | Woodside DeMoss | 45.94 | 9 | B Min | BB: 42.89 (+3.05s | 6.6%) | Lexington Dolphins | 10/17/2026 | LEXD FinFest | |
| 4326 | Jude Meyer | 45.94 | 9 | B Min | BB: 42.89 (+3.05s | 6.6%) | Metro East Titans Swimming | 10/24/2026 | 2026 METS Splash Of The Titans Copied | |
| 4327 | Aiden Boudjemaa | 45.95 | 8 | B Min | BB: 42.89 (+3.06s | 6.7%) | Machine Aquatics | 02/20/2026 | 2026 Machine Qualifier | |
| 4328 | Rama Kizito | 45.95 | 10 | B Min | BB: 42.89 (+3.06s | 6.7%) | Westbrook Seals | 05/16/2026 | 2026 NE Seal Summer Sprint Meet | |
| 4329 | Leo Yu | 45.95 | 9 | B Min | BB: 42.89 (+3.06s | 6.7%) | Commonwealth Swimming | 03/13/2026 | 2026 NE INST NE Cup | |
| 4330 | Jayden Jason | 45.95 | 10 | B Min | BB: 42.89 (+3.06s | 6.7%) | Cascadia Swimming | 08/07/2026 | Big Kahuna 2026 | |
| 4331 | Aiden Liang | 45.95 | 10 | B Min | BB: 42.89 (+3.06s | 6.7%) | South Shore YMCA Strypers | 05/10/2026 | 2026 NE NSSC Invitational At BC High | |
| 4332 | Alec Feldhousen | 45.96 | 9 | B Min | BB: 42.89 (+3.07s | 6.7%) | Machine Aquatics | 03/20/2026 | 2026 RMSC Spring Finale | |
| 4333 | Ryan McSherry | 45.97 | 9 | B Min | BB: 42.89 (+3.08s | 6.7%) | Long Island Aquatic Club | 03/27/2026 | 2026 MR Bronze Championship South LIE | |
| 4334 | Kinnick Smiddy | 45.97 | 9 | B Min | BB: 42.89 (+3.08s | 6.7%) | Council Bluffs Swim Club | 01/11/2026 | 2026 MW CBSC Dive Into 2026 | |
| 4335 | Charles Bauer | 45.97 | 8 | B Min | BB: 42.89 (+3.08s | 6.7%) | Cardinal and Gold Aquatics | 03/21/2026 | 2026 Maryland 8 Under Championship Meet | |
| 4336 | Max Bai | 45.97 | 8 | B Min | BB: 42.89 (+3.08s | 6.7%) | Rockville Montgomery Swim Club | 12/06/2025 | 2025 Reindeer Mini Meet | |
| 4337 | Liam Guerrero | 45.97 | 9 | B Min | BB: 42.89 (+3.08s | 6.7%) | New Rochelle YMCA Sailfish Swi | 10/10/2025 | 2025 MR COND October Fall Festival | |
| 4338 | Liam Chen | 45.97 | 10 | B Min | BB: 42.89 (+3.08s | 6.7%) | Middies Wave Ryders | 02/06/2026 | 2026 MR YMID February Classic Copied | |
| 4339 | Leonard Jaime Martinez | 45.97 | 10 | B Min | BB: 42.89 (+3.08s | 6.7%) | Hialeah Swim Club | 09/06/2025 | Sunrise Swimmng Open Invite | |
| 4340 | Liam Chen | 45.97 | 9 | B Min | BB: 42.89 (+3.08s | 6.7%) | San Ramon Valley Aquatics | 07/25/2026 | Zone 2 Summer Championships | |
| 4341 | Eyad Yossef | 45.97 | 9 | B Min | BB: 42.89 (+3.08s | 6.7%) | Bayclub Aquatic Swim Team | 09/25/2026 | 2026 BAST Season Kick Off Sprint Approved | |
| 4342 | Sawyer Dougherty | 45.97 | 9 | B Min | BB: 42.89 (+3.08s | 6.7%) | Swimchester Sailfish | 10/16/2026 | Ryan Moore Invitational | |
| 4343 | Ethan Tan | 45.97 | 10 | B Min | BB: 42.89 (+3.08s | 6.7%) | North East Aquatic Team | 09/26/2026 | 2026 NEAT 1st Annual SA Dual Meet Showcase | |
| 4344 | Thomas Butler | 45.98 | 9 | B Min | BB: 42.89 (+3.09s | 6.7%) | York Swim Club of Northern Vir | 03/20/2026 | March Madness 2026 | |
| 4345 | Hayes Coulson | 45.98 | 9 | B Min | BB: 42.89 (+3.09s | 6.7%) | Streamline Aquatics | 11/07/2025 | 2025 ST SASA Sombrero Series Tres | |
| 4346 | Tanner Richards | 45.98 | 9 | B Min | BB: 42.89 (+3.09s | 6.7%) | The Fish | 01/31/2026 | The 2026 Super FISH Bowl XVI | |
| 4347 | Henry Trantham | 45.98 | 10 | B Min | BB: 42.89 (+3.09s | 6.7%) | YMCA of the Triangle Area Swim | 01/17/2026 | 2026 YBAC Blizzard Invitational | |
| 4348 | Colin Doherty | 45.98 | 10 | B Min | BB: 42.89 (+3.09s | 6.7%) | Huntsville Swim Association | 10/17/2025 | 2025 HSA Fran Norris Meet | |
| 4349 | Valentino Lopez | 45.98 | 9 | B Min | BB: 42.89 (+3.09s | 6.7%) | Newburgh Sharks | 03/27/2026 | 2026 MR Metro Bronze Championship North | |
| 4350 | Kilian Vogel | 45.98 | 10 | B Min | BB: 42.89 (+3.09s | 6.7%) | Saint Petersburg Aquatics | 10/02/2026 | SAINT PETE AQUATICS FRI NITE RACE OCT 2 2026 | |
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.