USA Boys 10 & under - 50 Y Breast
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 3401 | Emmett Nguyen | 51.18 | 10 | B Min | BB: 47.69 (+3.49s | 6.8%) | York Swim Club of Northern Vir | 03/20/2026 | March Madness 2026 | |
| 3402 | Luca Sacco | 51.18 | 8 | B Min | BB: 47.69 (+3.49s | 6.8%) | Seattle Metropolitan Aquatic C | 03/28/2026 | 2026 PN Spring Showdown, Div 2 Approved | |
| 3403 | Aaron Wei | 51.18 | 9 | B Min | BB: 47.69 (+3.49s | 6.8%) | Ensworth Aquatics | 02/21/2026 | 2026 SES Region 1 8 And Under Championships | |
| 3404 | Parker Jimenez | 51.18 | 8 | B Min | BB: 47.69 (+3.49s | 6.8%) | Ensworth Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 3405 | Julian Brown | 51.19 | 10 | B Min | BB: 47.69 (+3.50s | 6.8%) | Razor Aquatics | 02/14/2026 | SAC Winter Classic | |
| 3406 | Simon Breczinski | 51.19 | 10 | B Min | BB: 47.69 (+3.50s | 6.8%) | Bemidji Area Super Swimmers | 01/24/2026 | 2026 MN DRGN Fire And Ice Invite | |
| 3407 | Maddox Fish | 51.19 | 9 | B Min | BB: 47.69 (+3.50s | 6.8%) | Pikes Peak Athletics | 07/11/2025 | 2025 CO AP Rocky Mountain State Games | |
| 3408 | Lincoln Flynn | 51.19 | 9 | B Min | BB: 47.69 (+3.50s | 6.8%) | Nation\\\\\\'s Capital Swim Club | 03/21/2026 | 2026 MAKO SPRING FLING | |
| 3409 | Sam Lin | 51.19 | 10 | B Min | BB: 47.69 (+3.50s | 6.8%) | Tualatin Hills Swim Club | 05/16/2026 | 2026 John DeRoest Sextathlon Swim Meet | |
| 3410 | Nevaan Prabhu | 51.20 | 9 | B Min | BB: 47.69 (+3.51s | 6.9%) | Nova of Virginia | 01/09/2026 | NOVA New Year S Kick Off | |
| 3411 | Adrian Liang | 51.20 | 10 | B Min | BB: 47.69 (+3.51s | 6.9%) | Pacific Dragons Swim Team | 03/29/2025 | 2025 PN Spring Finale, Division 2 | |
| 3412 | Colin Lan | 51.20 | 8 | B Min | BB: 47.69 (+3.51s | 6.9%) | Tnt Swimming | 02/13/2026 | 2026 SES Region 4 Championships | |
| 3413 | Oliver Korrow | 51.20 | 10 | B Min | BB: 47.69 (+3.51s | 6.9%) | Connetquot Swim Club | 03/27/2026 | 2026 MR Bronze Championship South LIE | |
| 3414 | Everett Hasse | 51.20 | 9 | B Min | BB: 47.69 (+3.51s | 6.9%) | New Albany Aquatic Club | 02/19/2026 | 2026 OH UASC SC Regional Championships | |
| 3415 | Qianxun Zhu | 51.20 | 7 | B Min | BB: 47.69 (+3.51s | 6.9%) | Pipeline Swimming | 04/10/2026 | 2026 GTSA TYR Spring Championship | |
| 3416 | Wesley Badgett | 51.20 | 10 | B Min | BB: 47.69 (+3.51s | 6.9%) | Capital Area Aquatics | 04/18/2026 | 2026 ST SCY Surge Earth Day | |
| 3417 | Ziqi Zhang | 51.21 | 9 | B Min | BB: 47.69 (+3.52s | 6.9%) | Alamo Area Aquatic Association | 10/08/2025 | 2025 ST AAAA NS October Race Night | |
| 3418 | Bryan Yu | 51.21 | 8 | B Min | BB: 47.69 (+3.52s | 6.9%) | Life Time Fitness New York Swi | 03/07/2026 | 2026 MR Metro 8 Under Championships | |
| 3419 | Gage Sena | 51.21 | 10 | B Min | BB: 47.69 (+3.52s | 6.9%) | Lamarlins Swim Team, Inc. | 07/25/2025 | 2025 CO SECAL Championships | |
| 3420 | Ethan Riley | 51.21 | 9 | B Min | BB: 47.69 (+3.52s | 6.9%) | Waves Of Wilmington Inc | 05/29/2026 | 2026 NSEA Swim May Flowers WOW Dual Meet | |
| 3421 | Armaan Pandit | 51.22 | 9 | B Min | BB: 47.69 (+3.53s | 6.9%) | Life Time Omaha | 02/20/2026 | 2026 MW Midwestern Age Group Short Course | |
| 3422 | Luca Thompson | 51.22 | 10 | B Min | BB: 47.69 (+3.53s | 6.9%) | Bayside Aquatics | 10/18/2025 | 2025 Fox Fall Invitational 1 Copied | |
| 3423 | Peter Stewart | 51.23 | 9 | B Min | BB: 47.69 (+3.54s | 6.9%) | Mason Makos Swim Team | 03/21/2026 | 2026 MAKO SPRING FLING | |
| 3424 | Alex Vozniuk | 51.23 | 9 | B Min | BB: 47.69 (+3.54s | 6.9%) | Valley Aquatics | 02/07/2026 | 2026 PN IST Feb Winter Invitational Approved | |
| 3425 | William Bienvenu | 51.23 | 10 | B Min | BB: 47.69 (+3.54s | 6.9%) | Monterey Bay Swim Club | 10/11/2025 | QSS Santa Cruz Competenicia C B A+ | |
| 3426 | Nolan Jetton | 51.23 | 10 | B Min | BB: 47.69 (+3.54s | 6.9%) | Loyola Blakefield Aquatics | 12/04/2025 | 2025 Sport Fair Winter Classic | |
| 3427 | Daniel Titianu | 51.23 | 9 | B Min | BB: 47.69 (+3.54s | 6.9%) | Rogue Rapids | 03/14/2026 | 2026 TEAM Shootout | |
| 3428 | James Jolly | 51.23 | 10 | B Min | BB: 47.69 (+3.54s | 6.9%) | Livonia Community Swim Club | 02/20/2026 | For The Love Of Swimming | |
| 3429 | Andrew Acocella | 51.24 | 9 | B Min | BB: 47.69 (+3.55s | 6.9%) | Middies Wave Ryders | 10/10/2025 | 2025 MR YMID Fall Festival Invitational | |
| 3430 | Micah Parris | 51.24 | 9 | B Min | BB: 47.69 (+3.55s | 6.9%) | Sunnyvale Swim Club | 02/13/2026 | 34th Annual Lost Dutchman Invitational | |
| 3431 | Lincoln Painter | 51.24 | 8 | B Min | BB: 47.69 (+3.55s | 6.9%) | Huntsville Swim Association | 01/16/2026 | 2026 HSA TYR Invitational | |
| 3432 | Axel Smith | 51.24 | 10 | B Min | BB: 47.69 (+3.55s | 6.9%) | Unattached | 02/27/2026 | 2026 SW District Champs 9 Over | |
| 3433 | Henry Bach | 51.24 | 9 | B Min | BB: 47.69 (+3.55s | 6.9%) | Cincinnati Marlins | 02/19/2026 | 2026 OH CM SC Regional Championships | |
| 3434 | Oliver Kottas | 51.24 | 10 | B Min | BB: 47.69 (+3.55s | 6.9%) | Club Husker | 12/13/2025 | 2025 MW CBSC NTS Holiday Classic | |
| 3435 | Isak Breckon | 51.25 | 10 | B Min | BB: 47.69 (+3.56s | 6.9%) | South Davis Aquatics Team | 12/13/2025 | SDAT Winter Pentathlon | |
| 3436 | Theo Sergeev | 51.25 | 9 | B Min | BB: 47.69 (+3.56s | 6.9%) | Freedom Aquatics | 11/15/2025 | 2025 MR FREE Freedom IMX Challenge | |
| 3437 | Grady Stines | 51.25 | 9 | B Min | BB: 47.69 (+3.56s | 6.9%) | Raleigh Swimming Association | 03/14/2026 | 2026 MOR Reagan Martin Rocks Swim Meet | |
| 3438 | Clark Wilson | 51.25 | 10 | B Min | BB: 47.69 (+3.56s | 6.9%) | Alto Swim Club | 12/19/2025 | ALTO Candy Cane Classic | |
| 3439 | Joao Freire | 51.25 | 9 | B Min | BB: 47.69 (+3.56s | 6.9%) | Carolina Aquatics Swim Club | 12/12/2025 | 2025 NC QCD Holiday Invite | |
| 3440 | Chase Clark | 51.26 | 10 | B Min | BB: 47.69 (+3.57s | 7.0%) | Issaquah Swim Team | 03/06/2026 | 2026 BBST Seize The Day Invitational | |
| 3441 | Rowan Payne | 51.26 | 9 | B Min | BB: 47.69 (+3.57s | 7.0%) | Nation\\\\\\'s Capital Swim Club | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 3442 | Ayaan Balla | 51.26 | 10 | B Min | BB: 47.69 (+3.57s | 7.0%) | Tac Titans | 03/25/2026 | 2026 TAC TITANS Tarheel States Meet | |
| 3443 | Luke Korpi | 51.26 | 8 | B Min | BB: 47.69 (+3.57s | 7.0%) | Diablo Aquatics | 11/08/2025 | Brentwood Seawolves SCY C B BB+ | |
| 3444 | Xavier Gange | 51.26 | 10 | B Min | BB: 47.69 (+3.57s | 7.0%) | Machine Aquatics | 03/20/2026 | 2026 RMSC Spring Finale | |
| 3445 | Sean Healy | 51.28 | 10 | B Min | BB: 47.69 (+3.59s | 7.0%) | Lowes YMCA Lightning Swim Team | 09/26/2025 | 2025 Team September Splash | |
| 3446 | Fincher Harper | 51.28 | 10 | B Min | BB: 47.69 (+3.59s | 7.0%) | Arlington Aquatic Club | 02/13/2026 | 2026 AAC Winter Gator Meet | |
| 3447 | Noam Justiss | 51.28 | 10 | B Min | BB: 47.69 (+3.59s | 7.0%) | Ladera Oaks | 03/28/2026 | Alto Rock The Blocks Invitational 2026 | |
| 3448 | River Briscoe | 51.29 | 9 | B Min | BB: 47.69 (+3.60s | 7.0%) | Madison Swimming Association | 01/16/2026 | 2026 HSA TYR Invitational | |
| 3449 | Ryan Khalili | 51.29 | 10 | B Min | BB: 47.69 (+3.60s | 7.0%) | Highlands Ranch Aquatics | 01/23/2026 | 2026 CO TOPS Colorado Open | |
| 3450 | Ethan Zhao | 51.29 | 9 | B Min | BB: 47.69 (+3.60s | 7.0%) | Phoenix Swimming | 01/02/2026 | 2026 NE INST ABF Blizzard Classic | |
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.