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 | |
|---|---|---|---|---|---|---|---|---|---|
| 4351 | Levi Diogenes | 45.54 | 10 | B Min | BB: 42.89 (+2.65s | 5.8%) | Laker Swim | 05/03/2025 | GOAT TYR Swim Your Own Age Meet | |
| 4352 | Bryson Neveaux | 45.54 | 8 | B Min | BB: 42.89 (+2.65s | 5.8%) | Hampton Virginia Current | 02/07/2026 | 2026 8 And Under Southeastern District Champs | |
| 4353 | Ethan Shannon | 45.55 | 10 | B Min | BB: 42.89 (+2.66s | 5.8%) | Club Talon | 10/25/2025 | 2025 Martha Bass Invitational Copied | |
| 4354 | David Hardekopf | 45.55 | 10 | B Min | BB: 42.89 (+2.66s | 5.8%) | Streamline & Sprint Human Perf | 12/13/2025 | 2025 Santa Splash | |
| 4355 | Gage Sena | 45.55 | 10 | B Min | BB: 42.89 (+2.66s | 5.8%) | Lamarlins Swim Team, Inc. | 06/19/2026 | 2026 Max Shirley Radiff Memorial | |
| 4356 | Srii Bezawada | 45.55 | 10 | B Min | BB: 42.89 (+2.66s | 5.8%) | Front Range Barracudas | 03/06/2026 | 2026 CO NCS Winter District Championships | |
| 4357 | Haolin Chen | 45.55 | 10 | B Min | BB: 42.89 (+2.66s | 5.8%) | Pacific Dragons Swim Team | 01/24/2026 | 2026 PN PDST Winter Invitational Meet Approv | |
| 4358 | Benjamin Martins | 45.55 | 9 | B Min | BB: 42.89 (+2.66s | 5.8%) | Aces Aquatics | 01/10/2026 | 2026 NE CS Winter Classic | |
| 4359 | Oliver Peterson | 45.55 | 10 | B Min | BB: 42.89 (+2.66s | 5.8%) | SwimTLC-Parker Phenomena Swim | 02/13/2026 | 2026 CO NJ Groundhog Invite | |
| 4360 | Samuel Gillis | 45.55 | 8 | B Min | BB: 42.89 (+2.66s | 5.8%) | YMCA of Northwest North Caroli | 03/06/2026 | Jon Jolley GYSSA 2026 | |
| 4361 | Mason Park | 45.55 | 9 | B Min | BB: 42.89 (+2.66s | 5.8%) | Olympic Cascade Aquatics | 03/28/2026 | 2026 PN Spring Showdown, Div1 Approved | |
| 4362 | Massimo Campagna | 45.55 | 9 | B Min | BB: 42.89 (+2.66s | 5.8%) | Pacifica Sea Lions | 03/28/2026 | PSL March CBA+ | |
| 4363 | Neil Bisht | 45.55 | 9 | B Min | BB: 42.89 (+2.66s | 5.8%) | Valley Splash | 10/25/2025 | GGST Spooktacular 2025 | |
| 4364 | Justin Nguyen | 45.56 | 10 | B Min | BB: 42.89 (+2.67s | 5.9%) | Keene YMCA Dolphins | 01/16/2026 | 2026 NE UVAC Bronze Championships | |
| 4365 | Henry O'Grady | 45.56 | 9 | B Min | BB: 42.89 (+2.67s | 5.9%) | Nation\\\\\\'s Capital Swim Club | 03/20/2026 | March Madness 2026 | |
| 4366 | Benson Amspacher | 45.56 | 9 | B Min | BB: 42.89 (+2.67s | 5.9%) | King Aquatic Club | 10/18/2025 | 2025 PN VAST Fall Classic | |
| 4367 | William Hamrick | 45.56 | 9 | B Min | BB: 42.89 (+2.67s | 5.9%) | New Wave Swim Team | 03/14/2026 | 2026 MOR Reagan Martin Rocks Swim Meet | |
| 4368 | Weston Morton | 45.57 | 10 | B Min | BB: 42.89 (+2.68s | 5.9%) | Twin Rivers YMCA | 11/22/2025 | GOLD Gobbler 2025 | |
| 4369 | Noah Huyen | 45.57 | 10 | B Min | BB: 42.89 (+2.68s | 5.9%) | Daly City Dolphins | 12/06/2025 | DCD Winter Holiday Splash CBA+ | |
| 4370 | Eric Kim | 45.57 | 10 | B Min | BB: 42.89 (+2.68s | 5.9%) | Auburn Aquatics | 11/07/2025 | 2025 SE BSL Cranberry Classic | |
| 4371 | Rockwell Ringold | 45.57 | 9 | B Min | BB: 42.89 (+2.68s | 5.9%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 02/27/2026 | 2026 Junior Cup | |
| 4372 | Bryce Lemos | 45.57 | 8 | B Min | BB: 42.89 (+2.68s | 5.9%) | Rockville Montgomery Swim Club | 11/08/2025 | 2025 Autumn Mini Meet | |
| 4373 | Jacob Strickland | 45.58 | 10 | B Min | BB: 42.89 (+2.69s | 5.9%) | The Woodlands Swim Team | 10/25/2024 | 2024 TWST Halloween Meet | |
| 4374 | Bowen Pike | 45.58 | 9 | B Min | BB: 42.89 (+2.69s | 5.9%) | North Carolina Aquatic Club | 12/12/2025 | Triad Tropic Invitational Copied | |
| 4375 | Desmond Johansen | 45.58 | 8 | B Min | BB: 42.89 (+2.69s | 5.9%) | Aulea Swim Club | 03/07/2026 | 2026 HI Junior Age Group SCY Championship | |
| 4376 | Charlie Spearin | 45.58 | 9 | B Min | BB: 42.89 (+2.69s | 5.9%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 11/22/2025 | 2025 Royal Fall Cup | |
| 4377 | Aaron im | 45.58 | 9 | B Min | BB: 42.89 (+2.69s | 5.9%) | West Coast Aquatics | 05/03/2025 | 2025 PN SSCD Spring Open | |
| 4378 | Augustine Nelson | 45.58 | 10 | B Min | BB: 42.89 (+2.69s | 5.9%) | Atlantis Swimming | 11/08/2025 | Atlantis 2025 Fall Quack Tack Ular | |
| 4379 | Ashton Khor | 45.58 | 8 | B Min | BB: 42.89 (+2.69s | 5.9%) | Houston Hydra | 02/21/2025 | 2025 Gulf 12 Under Champs (TASC) | |
| 4380 | Colby Boylan | 45.58 | 8 | B Min | BB: 42.89 (+2.69s | 5.9%) | Castle Rock Swimming | 01/04/2026 | 2026 CO AAC Sprint Eliminator Invite | |
| 4381 | Eithan Zelichonok | 45.58 | 8 | B Min | BB: 42.89 (+2.69s | 5.9%) | SwimRight Team | 10/10/2025 | 2025 Gulliver Fall Classic | |
| 4382 | Theo Marroquin | 45.59 | 10 | B Min | BB: 42.89 (+2.70s | 5.9%) | South Louisiana Swim Team | 10/04/2025 | 2025 CMSA Vance Rose Invitational | |
| 4383 | Jesse Filice | 45.59 | 9 | B Min | BB: 42.89 (+2.70s | 5.9%) | Hurricane Penguins Swim Club | 02/14/2026 | 2026 Best ValenTimes Meet | |
| 4384 | Brad Leugers | 45.59 | 9 | B Min | BB: 42.89 (+2.70s | 5.9%) | Mason Manta Rays | 02/19/2026 | 2026 OH RAYS SC Regional Championships | |
| 4385 | Enea Fiorella | 45.59 | 10 | B Min | BB: 42.89 (+2.70s | 5.9%) | Santa Maria Swim Club | 02/14/2025 | 2025 CCS SCY AGC | |
| 4386 | Andres Garcia | 45.59 | 9 | B Min | BB: 42.89 (+2.70s | 5.9%) | EL Paso Border Land Swim Team | 02/22/2026 | 2026 BD SC Jr Border Championship | |
| 4387 | Andrew Zamora | 45.59 | 9 | B Min | BB: 42.89 (+2.70s | 5.9%) | Cranston YMCA Marlins | 02/28/2026 | 2026 NE KCY A SENECY LEAGUE CHAMPS | |
| 4388 | Jamie Russell | 45.59 | 9 | B Min | BB: 42.89 (+2.70s | 5.9%) | Santa Clara Swim Club | 10/11/2025 | QSS Santa Cruz Competenicia C B A+ | |
| 4389 | Spencer Frickson | 45.59 | 9 | B Min | BB: 42.89 (+2.70s | 5.9%) | Mako Aquatics | 02/13/2026 | 2026 MN RSC President S Day Meet | |
| 4390 | Kaimana Zablan | 45.59 | 10 | B Min | BB: 42.89 (+2.70s | 5.9%) | Waikoloa Swim Club | 10/18/2025 | BIG ISLAND SWIMMING @ HPA | |
| 4391 | Lex Stucken | 45.59 | 8 | B Min | BB: 42.89 (+2.70s | 5.9%) | Atlantis Swimming | 02/27/2026 | 2026 MCSA Junior Cup | |
| 4392 | Nolan Loera | 45.59 | 9 | B Min | BB: 42.89 (+2.70s | 5.9%) | Prince William Swim Club | 01/17/2026 | 2026 Duck Bowl | |
| 4393 | Owen King | 45.59 | 10 | B Min | BB: 42.89 (+2.70s | 5.9%) | Meadow | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | |
| 4394 | Rudram Kondi | 45.60 | 9 | B Min | BB: 42.89 (+2.71s | 5.9%) | Greater Omaha Aquatics Leopard | 02/20/2026 | 2026 MW Midwestern Age Group Short Course | |
| 4395 | Jack Herson | 45.60 | 10 | B Min | BB: 42.89 (+2.71s | 5.9%) | Albany Armada Aquatics | 07/10/2026 | Redwood Empire Swim League Championship | |
| 4396 | Justice Twum | 45.60 | 10 | B Min | BB: 42.89 (+2.71s | 5.9%) | Stingrays Swim Team | 01/10/2026 | 2026 RAYS Jeff Rouse Invitational | |
| 4397 | Brody Davis | 45.60 | 9 | B Min | BB: 42.89 (+2.71s | 5.9%) | Hampton Virginia Current | 11/14/2025 | ISCA Fall Classic Championship 2025 | |
| 4398 | Hunter Bruenning | 45.60 | 9 | B Min | BB: 42.89 (+2.71s | 5.9%) | Sarasota Sharks | 02/27/2026 | 2026 T2 Area 5 Championships | |
| 4399 | Michael Ancona | 45.60 | 9 | B Min | BB: 42.89 (+2.71s | 5.9%) | Jupiter Dragons Swim Team | 02/06/2026 | 2026 Matt Mounts Memorial Swim Meet | |
| 4400 | Lerone Davis | 45.60 | 8 | B Min | BB: 42.89 (+2.71s | 5.9%) | Manhattan Makos | 01/17/2026 | 2026 MR AGUA MLK Invitational | |
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.