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 | |
|---|---|---|---|---|---|---|---|---|---|
| 4301 | Caden O'Hagan | 44.55 | 9 | B Min | BB: 42.89 (+1.66s | 3.7%) | Machine Aquatics | 03/20/2026 | March Madness 2026 | |
| 4302 | Michael Bui | 44.55 | 10 | B Min | BB: 42.89 (+1.66s | 3.7%) | Arlington Aquatic Club | 11/14/2025 | 2025 PV November Open PWCS | |
| 4303 | Cooper Shook | 44.56 | 9 | B Min | BB: 42.89 (+1.67s | 3.7%) | SwimRVA | 11/22/2025 | Bass Turkey Classic 2025 | |
| 4304 | Lane Markham | 44.57 | 9 | B Min | BB: 42.89 (+1.68s | 3.8%) | Minnetonka Swim Club | 02/27/2026 | 2026 MN MTKA Minnesota Regional Championship | |
| 4305 | Jeffrey Xin | 44.57 | 8 | B Min | BB: 42.89 (+1.68s | 3.8%) | Aquazot Swim Club | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 4306 | Bryan LI | 44.57 | 8 | B Min | BB: 42.89 (+1.68s | 3.8%) | Twisters Swim Club | 01/24/2026 | 2026 MR FLY Fran Schnarr Sprint Pentathlon Me | |
| 4307 | Archer Sytsma | 44.57 | 10 | B Min | BB: 42.89 (+1.68s | 3.8%) | Univ. of Denver Hilltoppers | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 4308 | Jack Griego | 44.57 | 9 | B Min | BB: 42.89 (+1.68s | 3.8%) | Waterloo Swimming | 12/05/2025 | 2025 ST LSAC 5th Annual Graceland | |
| 4309 | Tyler Groth | 44.57 | 10 | B Min | BB: 42.89 (+1.68s | 3.8%) | Atlantis Swimming | 10/17/2025 | 2025 OLY Fall Classic | |
| 4310 | Dudu Du | 44.57 | 10 | B Min | BB: 42.89 (+1.68s | 3.8%) | Pacific Dragons Swim Team | 01/25/2025 | 2025 PN PDST Winter Invitational | |
| 4311 | Isaiah White | 44.57 | 10 | B Min | BB: 42.89 (+1.68s | 3.8%) | Tampa Elite Aquatics | 02/20/2026 | Bay Area Spring Championships | |
| 4312 | Matthew Pleshkewych | 44.58 | 10 | B Min | BB: 42.89 (+1.69s | 3.8%) | Tampa Y Swimming | 01/24/2026 | 2026 TYR Stingrays SCY Palm Trees Parkas | |
| 4313 | Oliver Song | 44.58 | 10 | B Min | BB: 42.89 (+1.69s | 3.8%) | H2okie Aquatics | 11/07/2025 | 2025 HOKI November Invitational Copied | |
| 4314 | Feodor Karyakin | 44.58 | 10 | B Min | BB: 42.89 (+1.69s | 3.8%) | Tampa Bay Aquatic Club | 08/23/2025 | SPA TBAC AUGUST 23, 2025 | |
| 4315 | Santiago Diaz | 44.58 | 9 | B Min | BB: 42.89 (+1.69s | 3.8%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 4316 | Edward Strok | 44.58 | 8 | B Min | BB: 42.89 (+1.69s | 3.8%) | Asphalt Green Unified Aquatics | 03/07/2026 | 2026 MR Metro 8 Under Championships | |
| 4317 | Oleksandr Aleksashyn | 44.58 | 10 | B Min | BB: 42.89 (+1.69s | 3.8%) | Dolphin Club | 12/05/2025 | NOVA December Dip | |
| 4318 | Ryan Hu | 44.59 | 8 | B Min | BB: 42.89 (+1.70s | 3.8%) | Wave Aquatics | 03/28/2026 | 2026 PN Spring Showdown, Div 4 Approved | |
| 4319 | Vincent Stallings | 44.59 | 10 | B Min | BB: 42.89 (+1.70s | 3.8%) | Lifetime Swim Team North Carol | 12/19/2025 | 2025 TAC TITANS Jingle Bells Meet | |
| 4320 | Samuel Stambaugh | 44.59 | 10 | B Min | BB: 42.89 (+1.70s | 3.8%) | Nation\\\\\\'s Capital Swim Club | 01/10/2026 | 2026 VSTP Polar Plunge | |
| 4321 | Owen Cook | 44.59 | 9 | B Min | BB: 42.89 (+1.70s | 3.8%) | South Central Swimming | 02/07/2026 | 2026 Grand Rapids Open | |
| 4322 | Cooper Francis | 44.59 | 9 | B Min | BB: 42.89 (+1.70s | 3.8%) | Nova of Virginia | 11/22/2025 | NOVA Cranberry Contender | |
| 4323 | Ethan Shindelman | 44.59 | 8 | B Min | BB: 42.89 (+1.70s | 3.8%) | Sussex County YMCA | 10/25/2025 | 2025 MR MWDA YBAR Heats And Treats | |
| 4324 | Damon Sparling | 44.60 | 9 | B Min | BB: 42.89 (+1.71s | 3.8%) | Edina Swim Club | 02/27/2026 | 2026 MN EDI Minnesota Regional Championship | |
| 4325 | Beau Connelly | 44.60 | 10 | B Min | BB: 42.89 (+1.71s | 3.8%) | Los Gatos Swim Club | 02/08/2025 | Swim South Bay | |
| 4326 | Patrick McAuliff | 44.60 | 7 | B Min | BB: 42.89 (+1.71s | 3.8%) | Edina Swim Club | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 4327 | Octavio Bejarano Barraza | 44.60 | 9 | B Min | BB: 42.89 (+1.71s | 3.8%) | Centro Acuatico Universitario | 12/19/2025 | 2025 BD Leo Cancellare Memorial Swim Meet | |
| 4328 | Benjamin Maltz | 44.60 | 9 | B Min | BB: 42.89 (+1.71s | 3.8%) | Club Wolverine | 03/07/2026 | 2026 Lake Ontario Regional Meet | |
| 4329 | Logan Vuong | 44.60 | 10 | B Min | BB: 42.89 (+1.71s | 3.8%) | Life Time Fitness New York Swi | 03/27/2026 | 2026 MR Bronze Championships Central KBM | |
| 4330 | Killian Adams | 44.60 | 10 | B Min | BB: 42.89 (+1.71s | 3.8%) | Stingray Swim Team | 09/27/2025 | 2025 PN IST Sockeye Sprints | |
| 4331 | Reece Donaldson | 44.60 | 10 | B Min | BB: 42.89 (+1.71s | 3.8%) | Stingray Swim Team | 01/24/2026 | 2026 PN IST January Invitational Approved | |
| 4332 | Benjamin Justus | 44.60 | 10 | B Min | BB: 42.89 (+1.71s | 3.8%) | Greater Tampa Swim Association | 02/06/2026 | CVST Sweetheart Meet | |
| 4333 | Sammy Tampubolon | 44.60 | 8 | B Min | BB: 42.89 (+1.71s | 3.8%) | Machine Aquatics | 03/20/2026 | March Madness 2026 | |
| 4334 | Adam Wanichek | 44.60 | 10 | B Min | BB: 42.89 (+1.71s | 3.8%) | Bellevue Club Swim Team | 03/06/2026 | 2026 BBST Seize The Day Invitational | |
| 4335 | William Frohnen | 44.61 | 9 | B Min | BB: 42.89 (+1.72s | 3.9%) | San Ramon Valley Aquatics | 11/08/2025 | Brentwood Seawolves SCY C B BB+ | |
| 4336 | Carter Nevitt | 44.61 | 9 | B Min | BB: 42.89 (+1.72s | 3.9%) | Catawba Valley Aquatic Club | 03/20/2026 | 2026 BRSL Championships | |
| 4337 | Richard O'Brien | 44.61 | 10 | B Min | BB: 42.89 (+1.72s | 3.9%) | North Kent Aquatic Team | 03/07/2026 | 2026 Lake Michigan Regional Meet | |
| 4338 | Geva Shacham | 44.62 | 10 | B Min | BB: 42.89 (+1.73s | 3.9%) | Boulder Swim Team | 03/13/2026 | Mile High Championship Invitational | |
| 4339 | Eli Kerley | 44.62 | 10 | B Min | BB: 42.89 (+1.73s | 3.9%) | Treasure Coast Swimming | 10/11/2025 | TCSC Fall Invitational | |
| 4340 | Max Deckert | 44.62 | 10 | B Min | BB: 42.89 (+1.73s | 3.9%) | Quince Orchard Swim Academy | 02/01/2026 | 2026 Little Blue Penguin Pentathlon | |
| 4341 | Thiago Ronda | 44.62 | 8 | B Min | BB: 42.89 (+1.73s | 3.9%) | Swim Florida | 02/27/2026 | 2026 T2 Area 5 Championships | |
| 4342 | William Nail | 44.62 | 10 | B Min | BB: 42.89 (+1.73s | 3.9%) | Ensworth Aquatics | 10/25/2025 | 2025 IM Spooky | |
| 4343 | Wesley Draper | 44.62 | 9 | B Min | BB: 42.89 (+1.73s | 3.9%) | Drop Aquatics | 02/27/2026 | 2026 MCSA Junior Cup | |
| 4344 | Benjamin Velitskiy | 44.62 | 9 | B Min | BB: 42.89 (+1.73s | 3.9%) | Freedom Aquatics | 02/07/2026 | 2026 MR FREE Championships Meets Qualifier | |
| 4345 | Lucas Ramos | 44.62 | 7 | B Min | BB: 42.89 (+1.73s | 3.9%) | New York Sharks Aquatics | 01/31/2026 | 2026 MR MWDA YBAR Sink Or Swim Invitational | |
| 4346 | Nathaniel Haley | 44.63 | 9 | B Min | BB: 42.89 (+1.74s | 3.9%) | Somerville YMCA | 03/21/2026 | 2026 NE YNS YMCA New England Championship | |
| 4347 | Charles Thomas | 44.64 | 9 | B Min | BB: 42.89 (+1.75s | 3.9%) | Excel Aquatics | 12/13/2025 | 2025 Ho Ho Ho Holiday 12 Under Meet | |
| 4348 | Declan Trainer | 44.64 | 7 | B Min | BB: 42.89 (+1.75s | 3.9%) | Socal Aquatics Association | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 4349 | Owen Bronson | 44.64 | 9 | B Min | BB: 42.89 (+1.75s | 3.9%) | Legacy Aquatics | 01/16/2026 | 2026 THSC 14 U Winter Showcase | |
| 4350 | Henry Michael | 44.64 | 7 | B Min | BB: 42.89 (+1.75s | 3.9%) | Seahawks Swim club | 03/07/2026 | 2026 GTWY 8 Under Champs | |
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.