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 | |
|---|---|---|---|---|---|---|---|---|---|
| 2301 | Jacob Gamio | 48.58 | 9 | B Min | BB: 47.69 (+0.89s | 1.8%) | Unattached | 12/12/2025 | 2025 ST AAAA NS Winter Wonderland | |
| 2302 | Nathaniel Herman | 48.58 | 10 | B Min | BB: 47.69 (+0.89s | 1.8%) | Lynchburg YMCA Swim Team | 01/31/2026 | LY Vs CA Y January Dual | |
| 2303 | Anderson Wang | 48.58 | 10 | B Min | BB: 47.69 (+0.89s | 1.8%) | South Florida Aquatic Club | 04/18/2026 | SoFlo 12 Under Spring Invitational | |
| 2304 | Asher Young | 48.59 | 9 | B Min | BB: 47.69 (+0.90s | 1.9%) | SwimRVA | 09/26/2025 | 2025 SwimRVA Blastoff Meet | |
| 2305 | Oleksandr Sydorchuk | 48.59 | 10 | B Min | BB: 47.69 (+0.90s | 1.9%) | Bure-Aqua Academy | 01/23/2026 | 2026 CO TOPS Colorado Open | |
| 2306 | Thierry Odonnell | 48.59 | 9 | B Min | BB: 47.69 (+0.90s | 1.9%) | Long Island Aquatic Club | 03/27/2026 | 2026 MR Bronze Championship South LIE | |
| 2307 | Luke Marku | 48.59 | 10 | B Min | BB: 47.69 (+0.90s | 1.9%) | Badger Swim Club,Inc. | 02/06/2026 | 2026 MR COND Last Chance Invitational | |
| 2308 | Richard Downey | 48.60 | 9 | B Min | BB: 47.69 (+0.91s | 1.9%) | Summerville Family YMCA | 03/19/2026 | 2026 USRY Short Course Champs | |
| 2309 | Theodore Pickeral | 48.60 | 9 | B Min | BB: 47.69 (+0.91s | 1.9%) | H2okie Aquatics | 02/27/2026 | 2026 SW District Champs 9 Over | |
| 2310 | William McDowell | 48.60 | 8 | B Min | BB: 47.69 (+0.91s | 1.9%) | Huntsville Swim Association | 01/16/2026 | 2026 HSA TYR Invitational | |
| 2311 | Edward Girodat | 48.60 | 9 | B Min | BB: 47.69 (+0.91s | 1.9%) | Grosse Pointe Gators | 12/06/2025 | 2025 26 Super Fast And Furious Prelim Final | |
| 2312 | Johann Dalal | 48.61 | 10 | B Min | BB: 47.69 (+0.92s | 1.9%) | The Capitol Sea Devils | 02/13/2026 | 39th Black History Swim Meet | |
| 2313 | Lane Hutmacher | 48.61 | 10 | B Min | BB: 47.69 (+0.92s | 1.9%) | Watertown Area Swim Club | 02/21/2025 | 2025 12 U Short Course State A Championship | |
| 2314 | Asa Williamson | 48.61 | 8 | B Min | BB: 47.69 (+0.92s | 1.9%) | Nation\\\\\\'s Capital Swim Club | 02/13/2026 | 2026 AAC Winter Gator Meet | |
| 2315 | Paton Sawyer | 48.62 | 9 | B Min | BB: 47.69 (+0.93s | 1.9%) | Bellingham Bay Swim Team | 05/15/2026 | 2026 PN TAC Spring Thunderbird Approved | |
| 2316 | Charlie Spearin | 48.63 | 9 | B Min | BB: 47.69 (+0.94s | 1.9%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 01/31/2026 | 2026 Guppy Bowl | |
| 2317 | Lucas Li | 48.63 | 9 | B Min | BB: 47.69 (+0.94s | 1.9%) | Alto Swim Club | 03/07/2026 | DACA CBA Meet | |
| 2318 | Quin Doyle | 48.63 | 10 | B Min | BB: 47.69 (+0.94s | 1.9%) | Commonwealth Swimming | 11/15/2025 | 2025 NE SAC Turkey Splash | |
| 2319 | Luke Vasquez | 48.63 | 10 | B Min | BB: 47.69 (+0.94s | 1.9%) | The Capitol Sea Devils | 02/13/2026 | 39th Black History Swim Meet | |
| 2320 | Adam Losirisup | 48.64 | 10 | B Min | BB: 47.69 (+0.95s | 2.0%) | Long Island Aquatic Club | 11/16/2025 | 2025 MR LIAC Fall Festival Invitational | |
| 2321 | Sri Kamarajugadda | 48.64 | 9 | B Min | BB: 47.69 (+0.95s | 2.0%) | Weymouth Club Waves | 06/07/2026 | 2026 NE NSSC June Invitational At BC High | |
| 2322 | Milo Pangborn | 48.64 | 9 | B Min | BB: 47.69 (+0.95s | 2.0%) | Foxjets Swim Team | 01/30/2026 | 2026 MN MTKA TYR Team Challenge | |
| 2323 | Ford Halvorson | 48.64 | 10 | B Min | BB: 47.69 (+0.95s | 2.0%) | Foxjets Swim Team | 11/22/2025 | 2025 MN HTSC Harvest Classic | |
| 2324 | Ennio Miranda-Jeon | 48.64 | 10 | B Min | BB: 47.69 (+0.95s | 2.0%) | Manta Rays | 11/14/2025 | 2025 MR FLY Big Apple Classic Invitational | |
| 2325 | George He | 48.64 | 9 | B Min | BB: 47.69 (+0.95s | 2.0%) | Seattle Metropolitan Aquatic C | 03/28/2026 | 2026 PN Spring Showdown, Div 2 Approved | |
| 2326 | Maddox Dudley | 48.66 | 8 | B Min | BB: 47.69 (+0.97s | 2.0%) | Gamecock Aquatics | 12/12/2025 | Triad Tropic Invitational Copied | |
| 2327 | Knox Monsivais | 48.66 | 10 | B Min | BB: 47.69 (+0.97s | 2.0%) | Lehi Aquatics | 03/05/2025 | 2025 Short Course UTAGS Championships | |
| 2328 | Noah Nabity | 48.66 | 10 | B Min | BB: 47.69 (+0.97s | 2.0%) | Blair YMCA Swim Team | 11/09/2025 | 2025 MW App LYD Y ThankSwimming | |
| 2329 | Declan Davis | 48.66 | 10 | B Min | BB: 47.69 (+0.97s | 2.0%) | Rogue Rapids | 11/21/2025 | 2025 Rogue Rapids Sofia Marks Invitational | |
| 2330 | Miles Chen | 48.67 | 9 | B Min | BB: 47.69 (+0.98s | 2.0%) | Fairfax Foxes Swimming | 11/21/2025 | 2025 Swim Rock | |
| 2331 | Neo Jiang | 48.67 | 9 | B Min | BB: 47.69 (+0.98s | 2.0%) | Qns Aquatic Club | 02/28/2026 | 2026 MR QNS I Know I Can Invitational | |
| 2332 | Logan Hinckle | 48.67 | 9 | B Min | BB: 47.69 (+0.98s | 2.0%) | SwimRVA | 03/20/2026 | 2026 SwimRVA Clover Cup | |
| 2333 | Daniel Zhovtobriukh | 48.67 | 10 | B Min | BB: 47.69 (+0.98s | 2.0%) | Wave Aquatics | 06/19/2026 | 2026 PN SRST Summer Invitational Approved | |
| 2334 | Jayce Knoke | 48.68 | 10 | B Min | BB: 47.69 (+0.99s | 2.0%) | Grand Traverse Bay YMCA Breake | 03/07/2026 | 2026 Michigan YMCA State Championship | |
| 2335 | Maximilian Zhou | 48.68 | 9 | B Min | BB: 47.69 (+0.99s | 2.0%) | Alto Swim Club | 03/07/2026 | DACA CBA Meet | |
| 2336 | Daniel Rondel | 48.69 | 9 | B Min | BB: 47.69 (+1.00s | 2.1%) | Wave Aquatics | 10/18/2025 | 2025 PN VAST Fall Classic | |
| 2337 | Aaran Kher | 48.69 | 10 | B Min | BB: 47.69 (+1.00s | 2.1%) | Quince Orchard Swim Academy | 10/25/2025 | 2025 PAC 10 Under RockHopper Penguin Meet | |
| 2338 | Daniel Khait | 48.69 | 10 | B Min | BB: 47.69 (+1.00s | 2.1%) | Bay Club Santa Clara Dolphins | 02/28/2026 | Swim South Bay | |
| 2339 | Leo Wu | 48.69 | 10 | B Min | BB: 47.69 (+1.00s | 2.1%) | Nation\\\\\\'s Capital Swim Club | 10/10/2025 | 2025 PV October Open Claude Moore | |
| 2340 | John Sanchez Cespedes | 48.70 | 10 | B Min | BB: 47.69 (+1.01s | 2.1%) | Coast Aquatics | 05/08/2026 | Friday Night Lights | |
| 2341 | Juwon Kang | 48.70 | 10 | B Min | BB: 47.69 (+1.01s | 2.1%) | Carrollton Bluefins | 01/17/2026 | 2026 GOAT TYR Team Challenge And SYOA | |
| 2342 | Grady Wargo | 48.70 | 9 | B Min | BB: 47.69 (+1.01s | 2.1%) | YMCA of Middletown Barracudas | 01/23/2026 | 2026 MR HAWKS AD Trials And Finals | |
| 2343 | Marcus Zhu | 48.71 | 10 | B Min | BB: 47.69 (+1.02s | 2.1%) | Quicksilver Swimming | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 2344 | Adam Wanichek | 48.71 | 10 | B Min | BB: 47.69 (+1.02s | 2.1%) | Bellevue Club Swim Team | 06/19/2026 | 2026 PN SRST Summer Invitational Approved | |
| 2345 | Aiden Mayer | 48.71 | 10 | B Min | BB: 47.69 (+1.02s | 2.1%) | Htx Swims | 02/21/2025 | 2025 Gulf 12 Under Champs (NOCH) | |
| 2346 | Irving Huynh | 48.71 | 9 | B Min | BB: 47.69 (+1.02s | 2.1%) | Meadow | 11/10/2024 | Fall Jamboree Invitational 2024 | |
| 2347 | Evan Walker | 48.71 | 9 | B Min | BB: 47.69 (+1.02s | 2.1%) | Battlefield Area Star Swimmers | 02/13/2026 | 2026 Northern District 12 Under Championship | |
| 2348 | Jaden Langley | 48.72 | 9 | B Min | BB: 47.69 (+1.03s | 2.1%) | Rocky Mountain Rapids | 03/07/2025 | 2025 CO CSI Silver State Championships | |
| 2349 | Lazar Bursac | 48.72 | 9 | B Min | BB: 47.69 (+1.03s | 2.1%) | Blue Wave Swimming | 02/20/2026 | Bay Area Spring Championships | |
| 2350 | Liam Servinsky | 48.72 | 10 | B Min | BB: 47.69 (+1.03s | 2.1%) | Potomac Marlins | 03/20/2026 | March Madness 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.