USA Boys 10 & under - 50 M 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 2501 | Lucas Silva | 51.82 | 10 | B Min | BB: 49.29 (+2.53s | 4.9%) | Longhorn Aquatics | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 2502 | Wilhelm Kozlow | 51.84 | 9 | B Min | BB: 49.29 (+2.55s | 4.9%) | Firebirds | 05/22/2026 | 2026 TAC TITANS Memorial Day Meet | |
| 2503 | Oliver Hall | 51.84 | 10 | B Min | BB: 49.29 (+2.55s | 4.9%) | SwimRVA | 04/18/2026 | 2026 SwimRVA Carnation Clash | |
| 2504 | Owen Vollmer | 51.85 | 8 | B Min | BB: 49.29 (+2.56s | 4.9%) | Wtrc Sharks | 05/15/2026 | Kentucky Aquatics Derby Classic | |
| 2505 | Albert Shifrin | 51.85 | 10 | B Min | BB: 49.29 (+2.56s | 4.9%) | Mjcc Stingrays | 08/01/2026 | 2026 GACC End Of Season | |
| 2506 | Austin Zhou | 51.85 | 10 | B Min | BB: 49.29 (+2.56s | 4.9%) | Pacific Dragons Swim Team | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 2507 | Kyle Wu | 51.86 | 8 | B Min | BB: 49.29 (+2.57s | 5.0%) | Prince William Swim Club | 06/05/2026 | HNVR Storm Surge 2026 | |
| 2508 | Kayden Wellmann | 51.86 | 8 | B Min | BB: 49.29 (+2.57s | 5.0%) | Velocity Aquatics | 06/05/2026 | 2026 MN NSAC Summer Invite | |
| 2509 | Samuel Wright | 51.86 | 8 | B Min | BB: 49.29 (+2.57s | 5.0%) | Club Talon | 07/11/2026 | 2026 RPS LC Finale | |
| 2510 | Eli Ferris | 51.90 | 9 | B Min | BB: 49.29 (+2.61s | 5.0%) | Elko Swim Team | 05/16/2025 | 2025 Spring Fling LC Invitational | |
| 2511 | Levi Heilbrun | 51.90 | 10 | B Min | BB: 49.29 (+2.61s | 5.0%) | Bend Swim Club | 06/19/2026 | Bend Swim Club Sun Country Invite 2026 | |
| 2512 | Anthony Cuba | 51.90 | 9 | B Min | BB: 49.29 (+2.61s | 5.0%) | Eastern Shore YMCA Fins | 06/26/2026 | 2026 VSI LC SE District Champs | |
| 2513 | Kotia Zvereff | 51.90 | 8 | B Min | BB: 49.29 (+2.61s | 5.0%) | Unattached | 05/29/2026 | VJO S Tuffy Williams Summer Kickoff Classic | |
| 2514 | John Vyvial | 51.91 | 10 | B Min | BB: 49.29 (+2.62s | 5.0%) | Capital of Texas Aquatics | 04/05/2025 | 2025 ST TXLA 10 U Long Course Kick Off | |
| 2515 | Ivan Orozco | 51.91 | 10 | B Min | BB: 49.29 (+2.62s | 5.0%) | El Paso Aqua Posse | 07/23/2026 | 2026 BD Long Course Championship | |
| 2516 | Dylan Yu | 51.92 | 9 | B Min | BB: 49.29 (+2.63s | 5.1%) | X-Cel Swimming | 06/05/2026 | 2026 XCEL Meet Of XCellence | |
| 2517 | Ronin Coleman | 51.94 | 8 | B Min | BB: 49.29 (+2.65s | 5.1%) | Occoquan Swimming | 05/01/2026 | Speedo Spring Splash | |
| 2518 | Mitchell Arshavskiy | 51.94 | 8 | B Min | BB: 49.29 (+2.65s | 5.1%) | Meadowbrook Swim Team | 07/17/2026 | 2026 MD Long Course Last Chance Meet | |
| 2519 | Lucas Wu | 51.95 | 8 | B Min | BB: 49.29 (+2.66s | 5.1%) | Marlins Of Raleigh | 04/25/2026 | 2026 NCAC Quad Meet | |
| 2520 | Erik Kurylenko | 51.95 | 9 | B Min | BB: 49.29 (+2.66s | 5.1%) | Foothills Swim Team | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 2521 | Jimmy Chen | 51.96 | 9 | B Min | BB: 49.29 (+2.67s | 5.1%) | Monterey Park Manta Rays | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 2522 | Christopher Rasmuson | 51.96 | 10 | B Min | BB: 49.29 (+2.67s | 5.1%) | Bishop Swim Team | 07/10/2026 | 2026 NNA Silver State Championships | |
| 2523 | Liam Denis | 51.96 | 9 | B Min | BB: 49.29 (+2.67s | 5.1%) | Tidal Wave Swim Team | 05/31/2026 | 2026 MAY Bring The Heat | |
| 2524 | Vivaan Agarwal | 51.96 | 9 | B Min | BB: 49.29 (+2.67s | 5.1%) | Wave Aquatics | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 2525 | Paul Stidd | 51.96 | 7 | B Min | BB: 49.29 (+2.67s | 5.1%) | Mason Manta Rays | 07/10/2026 | 2026 OH SW LC Regional Champs | |
| 2526 | Caiden Gemmell | 51.98 | 9 | B Min | BB: 49.29 (+2.69s | 5.2%) | Tampa Y Swimming | 05/01/2026 | 2026 Stingrays Cinco De Mayo LCM Meet | |
| 2527 | Arthur Sherman | 51.98 | 9 | B Min | BB: 49.29 (+2.69s | 5.2%) | Oak Hills Youth Athletics | 07/10/2026 | 2026 OH SW LC Regional Champs | |
| 2528 | Liam Taylor | 51.98 | 9 | B Min | BB: 49.29 (+2.69s | 5.2%) | Southwest Stars Swim Club | 04/11/2026 | 2026 Ron Nardozzi Pre Derby Sprint Invite C | |
| 2529 | Duke Montgomery | 51.98 | 10 | B Min | BB: 49.29 (+2.69s | 5.2%) | Winning Waters Aquatics Club | 04/26/2025 | 2025 HPAC Banana Slug Beach Bash | |
| 2530 | Alexander Cuellar | 51.99 | 10 | B Min | BB: 49.29 (+2.70s | 5.2%) | EL Paso Border Land Swim Team | 06/28/2024 | 2024 EPAP Jack White Classic | |
| 2531 | Daniel Zhou | 52.01 | 8 | B Min | BB: 49.29 (+2.72s | 5.2%) | Arctic Aquatics | 05/08/2026 | 2026 NE CRA MIT Team Specialty LC Meet | |
| 2532 | Logan Anderson | 52.01 | 10 | B Min | BB: 49.29 (+2.72s | 5.2%) | Velocity Aquatics | 06/19/2026 | 2026 SD Aberdeen Summer High Point Swim Meet | |
| 2533 | Grayson Brzezenski | 52.01 | 9 | B Min | BB: 49.29 (+2.72s | 5.2%) | North Baltimore Aquatic Club | 07/24/2026 | 2026 Maryland Long Course Junior Championship | |
| 2534 | Oliver Hurley | 52.02 | 9 | B Min | BB: 49.29 (+2.73s | 5.2%) | Upper Arlington Swim Club | 07/23/2026 | 2026 OH LC Junior Championships | |
| 2535 | Jordan Fuertes | 52.02 | 10 | B Min | BB: 49.29 (+2.73s | 5.2%) | Maui Dolphins Swim Club | 07/03/2026 | 2026 MAGSA LCM LAST CHANCE Copied | |
| 2536 | Eric Feng | 52.03 | 9 | B Min | BB: 49.29 (+2.74s | 5.3%) | Marlins Of Raleigh | 04/25/2026 | 2026 NCAC Quad Meet | |
| 2537 | Henry Atkins | 52.03 | 9 | B Min | BB: 49.29 (+2.74s | 5.3%) | Laker Swim | 04/11/2026 | 2026 Ron Nardozzi Pre Derby Sprint Invite C | |
| 2538 | Ethan Rast | 52.03 | 7 | B Min | BB: 49.29 (+2.74s | 5.3%) | Nitro Swimming | 05/09/2026 | 2026 ST NTRO LC School S Out | |
| 2539 | Jasper Li | 52.04 | 8 | B Min | BB: 49.29 (+2.75s | 5.3%) | Metro Area Life Time | 05/02/2026 | 2026 STAC Thank You Mom | |
| 2540 | Sparsh Goyal | 52.04 | 9 | B Min | BB: 49.29 (+2.75s | 5.3%) | North Suburban Aquatic Club | 06/05/2026 | 2026 MN NSAC Summer Invite | |
| 2541 | Michael Baier | 52.05 | 10 | B Min | BB: 49.29 (+2.76s | 5.3%) | North Baltimore Aquatic Club | 07/24/2026 | 2026 Maryland Long Course Junior Championship | |
| 2542 | Nova Eisel | 52.05 | 10 | B Min | BB: 49.29 (+2.76s | 5.3%) | Great Wolf Swim Team | 05/08/2026 | 2026 MN STRM Spring Startup | |
| 2543 | Leo Mansi Mesa | 52.05 | 10 | B Min | BB: 49.29 (+2.76s | 5.3%) | Metro Area Life Time | 06/05/2026 | 2026 XCEL Meet Of XCellence | |
| 2544 | Ethan Legendre | 52.06 | 10 | B Min | BB: 49.29 (+2.77s | 5.3%) | Crimson Aquatics | 05/01/2026 | 2026 NE CS Spring Fling | |
| 2545 | Cristian Gonzalez Castillo | 52.06 | 9 | B Min | BB: 49.29 (+2.77s | 5.3%) | Waterloo Swimming | 06/14/2026 | 2026 ST WLOO Last Chance | |
| 2546 | Christopher Bissell | 52.06 | 8 | B Min | BB: 49.29 (+2.77s | 5.3%) | Riptide Swim Team | 06/27/2026 | 2026 STAR Summer Splash Invite | |
| 2547 | Vihaan Yeri | 52.06 | 9 | B Min | BB: 49.29 (+2.77s | 5.3%) | Nova of Virginia | 06/25/2026 | LC Central District Champs | |
| 2548 | Owen Matarazzo | 52.07 | 10 | B Min | BB: 49.29 (+2.78s | 5.3%) | The Spartans of La Canada | 06/11/2026 | 2026 SCS June AG Invite | |
| 2549 | Ryan Li | 52.07 | 10 | B Min | BB: 49.29 (+2.78s | 5.3%) | Blazing Barracudas | 06/07/2025 | 2025 NCAT Summer Swimfest | |
| 2550 | Levi Durden | 52.07 | 9 | B Min | BB: 49.29 (+2.78s | 5.3%) | Riptide Aquatics | 05/15/2026 | 2026 FAST May Invite | |
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.