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 | |
|---|---|---|---|---|---|---|---|---|---|
| 3251 | 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 | |
| 3252 | 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 | |
| 3253 | 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 | |
| 3254 | 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 | |
| 3255 | Robert Kakhnovich | 51.22 | 10 | B Min | BB: 47.69 (+3.53s | 6.9%) | Sailfish | 10/09/2026 | 2026 ST LSAC 7th Annual Gnarfest | |
| 3256 | 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 | |
| 3257 | 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 | |
| 3258 | Daniel Titianu | 51.23 | 9 | B Min | BB: 47.69 (+3.54s | 6.9%) | Rogue Rapids | 03/14/2026 | 2026 TEAM Shootout | |
| 3259 | 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 | |
| 3260 | 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 | |
| 3261 | 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 | |
| 3262 | Axel Smith | 51.24 | 10 | B Min | BB: 47.69 (+3.55s | 6.9%) | Unattached | 02/27/2026 | 2026 SW District Champs 9 Over | |
| 3263 | 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 | |
| 3264 | Alex Wu | 51.24 | 8 | B Min | BB: 47.69 (+3.55s | 6.9%) | Santa Clara Swim Club | 07/25/2026 | 2026 DACA SC CBA Meet | |
| 3265 | Clark Wilson | 51.25 | 10 | B Min | BB: 47.69 (+3.56s | 6.9%) | Alto Swim Club | 12/19/2025 | ALTO Candy Cane Classic | |
| 3266 | 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 | |
| 3267 | 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 | |
| 3268 | 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 | |
| 3269 | Adam Jablonski | 51.25 | 10 | B Min | BB: 47.69 (+3.56s | 6.9%) | Elevation Athletics | 10/24/2026 | 2026 CO LONG Great Pumpkin Pentathlon | |
| 3270 | 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+ | |
| 3271 | 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 | |
| 3272 | 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 | |
| 3273 | Dorian Xie | 51.26 | 8 | B Min | BB: 47.69 (+3.57s | 7.0%) | Tualatin Hills Swim Club | 10/23/2026 | 2026 THSC Fall Invitational | |
| 3274 | Alex Chambers | 51.26 | 10 | B Min | BB: 47.69 (+3.57s | 7.0%) | Brookings Swim Club | 10/25/2026 | 2026 Ghouls In The Pool | |
| 3275 | 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 | |
| 3276 | 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 | |
| 3277 | Logan Rowalt | 51.28 | 9 | B Min | BB: 47.69 (+3.59s | 7.0%) | DeAnza Cupertino Aquatics | 10/03/2026 | 2026 De Anza Cupertino Aquatics SC CBA Meet | |
| 3278 | Jordan Zhu | 51.29 | 8 | B Min | BB: 47.69 (+3.60s | 7.0%) | Quicksilver Swimming | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 3279 | Noah Hunter | 51.29 | 9 | B Min | BB: 47.69 (+3.60s | 7.0%) | Quicksilver Swimming | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 3280 | 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 | |
| 3281 | Noah Riehl | 51.29 | 10 | B Min | BB: 47.69 (+3.60s | 7.0%) | Lexington Dolphins | 10/17/2026 | LEXD FinFest | |
| 3282 | Rhys McKenna | 51.30 | 8 | B Min | BB: 47.69 (+3.61s | 7.0%) | Penguin Swimming | 02/20/2026 | 2026 OH Akron SC Regional Championships | |
| 3283 | Steven Ibana | 51.30 | 9 | B Min | BB: 47.69 (+3.61s | 7.0%) | Spokane Waves Aquatic Team | 10/10/2026 | SWAT Fall Challenge 2026 | |
| 3284 | Davis Tran | 51.30 | 10 | B Min | BB: 47.69 (+3.61s | 7.0%) | Alamo Area Aquatic Association | 10/24/2025 | 2025 ST AAAA NS Spooky Splash | |
| 3285 | William Gremp | 51.31 | 10 | B Min | BB: 47.69 (+3.62s | 7.1%) | Westport Weston Family YMCA Wa | 12/11/2025 | 2025 NE SHAWMUT Candy Cane Classic | |
| 3286 | Benjamin Fobbs | 51.31 | 10 | B Min | BB: 47.69 (+3.62s | 7.1%) | North Baltimore Aquatic Club | 11/14/2025 | 2025 NBAC Thanksgiving Meet | |
| 3287 | Malachi Zabilla | 51.31 | 10 | B Min | BB: 47.69 (+3.62s | 7.1%) | Mission Aurora Colorado Swimmi | 09/26/2026 | 2026 CO NJ SC Kick Off Invite | |
| 3288 | Jack Myrick | 51.31 | 9 | B Min | BB: 47.69 (+3.62s | 7.1%) | Nitro Swimming | 10/18/2026 | 2026 ST TXLA 10 U Fall Kick Off Invite | |
| 3289 | Nico Melchor Trajani | 51.32 | 10 | B Min | BB: 47.69 (+3.63s | 7.1%) | Atlantis Aquatics | 03/20/2026 | 2026 NE ORO TSSA Champs | |
| 3290 | Isaac Fidelman | 51.32 | 9 | B Min | BB: 47.69 (+3.63s | 7.1%) | 92ny Flying Dolphins | 09/27/2025 | 2025 MR SSC TYR September Sprint Invitational | |
| 3291 | Matthew Daus | 51.32 | 10 | B Min | BB: 47.69 (+3.63s | 7.1%) | Machine Aquatics | 10/04/2025 | 2025 Harvest Moon Invitational | |
| 3292 | David Moore | 51.32 | 9 | B Min | BB: 47.69 (+3.63s | 7.1%) | SwimMAC Carolina | 02/14/2026 | 2026 SwimMAC Qualifier Festival | |
| 3293 | Jace Flores | 51.32 | 10 | B Min | BB: 47.69 (+3.63s | 7.1%) | Waterloo Swimming | 09/26/2026 | 2026 ST ASC IMR IMX Challenge | |
| 3294 | Jamie Russell | 51.33 | 9 | B Min | BB: 47.69 (+3.64s | 7.1%) | Santa Clara Swim Club | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 3295 | William Chu | 51.33 | 10 | B Min | BB: 47.69 (+3.64s | 7.1%) | Samena Club Swim Team | 10/03/2026 | 2026 PN OCA John Walker Invitational Approve | |
| 3296 | River Woods | 51.33 | 9 | B Min | BB: 47.69 (+3.64s | 7.1%) | SwimRise Aquatics | 09/26/2026 | 2026 SwimRise September Splash | |
| 3297 | Isaiah Auger | 51.34 | 10 | B Min | BB: 47.69 (+3.65s | 7.1%) | Powell Crosley YMCA | 02/19/2026 | 2026 OH CM SC Regional Championships | |
| 3298 | Josh Laufer | 51.34 | 7 | B Min | BB: 47.69 (+3.65s | 7.1%) | Miami Country Day School | 10/15/2025 | 2025 South Florida MS Champs USA S OBS | |
| 3299 | Jordan Dong | 51.34 | 9 | B Min | BB: 47.69 (+3.65s | 7.1%) | Tollefson Swimming | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 3300 | Benson Amspacher | 51.34 | 10 | B Min | BB: 47.69 (+3.65s | 7.1%) | King Aquatic Club | 03/28/2026 | 2026 PN Spring Showdown, Div 4 Approved | |
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.