USA Boys 10 & under - 50 Y Free
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 9401 | Lee Armstrong | 43.34 | 10 | B: 38.19 (+5.15s | 11.9%) | Life Time Colorado Swim Club | 02/01/2026 | 2026 CO FORM February Freeze | ||
| 9402 | David Biers | 43.34 | 9 | B: 38.19 (+5.15s | 11.9%) | Dayton Raiders | 02/20/2026 | 2026 OH WAVE SC Regional Championships | ||
| 9403 | Timothy Huang | 43.34 | 9 | B: 38.19 (+5.15s | 11.9%) | Wave Aquatics | 03/28/2026 | 2026 PN Spring Showdown, Div 4 Approved | ||
| 9404 | Yoichiro Taku | 43.34 | 10 | B: 38.19 (+5.15s | 11.9%) | University Club Swimming | 03/22/2025 | 2025 Los Altos Mountain View SC CBA Meet | ||
| 9405 | Maxwell Pennington | 43.34 | 8 | B: 38.19 (+5.15s | 11.9%) | Lynchburg YMCA Swim Team | 12/04/2025 | 14th Annual Swim Tri Speedo Winter Champs | ||
| 9406 | Cameron Shuster | 43.34 | 8 | B: 38.19 (+5.15s | 11.9%) | Owosso Sea Turtles | 02/15/2026 | 2026 MTSL Championship | ||
| 9407 | Conor Breedon | 43.34 | 8 | B: 38.19 (+5.15s | 11.9%) | Fast Falcons | 12/13/2025 | 2025 FAST December Open | ||
| 9408 | Adrian Yu | 43.35 | 10 | B: 38.19 (+5.16s | 11.9%) | South San Francisco Aquatics | 11/14/2025 | PSL Pumpkin Spice Lovers 25 129 | ||
| 9409 | Francisco Hernandez | 43.35 | 10 | B: 38.19 (+5.16s | 11.9%) | EL Paso Border Land Swim Team | 02/13/2026 | 2026 BD Arctic BLAST Swim Meet | ||
| 9410 | Maddox Fiddler | 43.35 | 10 | B: 38.19 (+5.16s | 11.9%) | Punahou Aquatics Institute | 10/19/2025 | Aulea Fall Frenzy Meet | ||
| 9411 | Levi Hartigan | 43.35 | 10 | B: 38.19 (+5.16s | 11.9%) | Grandville Aquatics | 12/30/2025 | 2025 Wildcat Winter Invite | ||
| 9412 | William Luo | 43.35 | 8 | B: 38.19 (+5.16s | 11.9%) | Rockville Montgomery Swim Club | 11/08/2025 | 2025 Autumn Mini Meet | ||
| 9413 | Mark Pavlenko | 43.35 | 8 | B: 38.19 (+5.16s | 11.9%) | Eastside Aquatic Swim Team | 02/20/2026 | 2026 PN SRST Champs Qualifier Approved | ||
| 9414 | Anzell Sidhiwai | 43.35 | 10 | B: 38.19 (+5.16s | 11.9%) | Pikes Peak Athletics | 07/11/2025 | 2025 CO AP Rocky Mountain State Games | ||
| 9415 | Henry Menzies | 43.36 | 10 | B: 38.19 (+5.17s | 11.9%) | Mighty Marlins Swim Club | 12/06/2025 | 2025 PN Fall Divisionals, Division 2 | ||
| 9416 | Brian Ward | 43.36 | 10 | B: 38.19 (+5.17s | 11.9%) | Brighton Aquatics Bull Sharks | 02/14/2026 | 2026 Best ValenTimes Meet | ||
| 9417 | Jonathan Gradus | 43.36 | 9 | B: 38.19 (+5.17s | 11.9%) | Karishim Swim Club | 03/20/2026 | 2026 NE NSSC March Madness At MIT | ||
| 9418 | Finn Thrower | 43.36 | 9 | B: 38.19 (+5.17s | 11.9%) | Wind N Sea Swim Team | 11/08/2025 | 2025 SI SDSA All Ages NTS Meet | ||
| 9419 | Jack Tansey | 43.36 | 9 | B: 38.19 (+5.17s | 11.9%) | Oly Swimming | 02/06/2026 | 2026 Michigan Open | ||
| 9420 | Evan Jones | 43.36 | 10 | B: 38.19 (+5.17s | 11.9%) | Westbrook Seals | 02/08/2026 | 2026 NE ABF ME February Frolic | ||
| 9421 | Deklyn King | 43.37 | 10 | B: 38.19 (+5.18s | 11.9%) | Mid Michigan Aquatics Hurrican | 02/07/2026 | 2026 Grand Rapids Open | ||
| 9422 | Jack Jalaly | 43.37 | 10 | B: 38.19 (+5.18s | 11.9%) | Swim Tech | 03/27/2026 | 2026 MR Bronze Championships Central KBM | ||
| 9423 | Jordan Dong | 43.37 | 9 | B: 38.19 (+5.18s | 11.9%) | Tollefson Swimming | 02/27/2026 | 2026 Cherry Blossom Champs | ||
| 9424 | Corbin Gagne | 43.37 | 9 | B: 38.19 (+5.18s | 11.9%) | Rockingham Area Youth Swimming | 03/13/2026 | 2026 NE UVAC NHSA State Championships | ||
| 9425 | Aaron Yoon | 43.37 | 9 | B: 38.19 (+5.18s | 11.9%) | Pipeline Swimming | 11/21/2025 | SPA PYP NOVEMBER 2025 | ||
| 9426 | James Eick | 43.37 | 8 | B: 38.19 (+5.18s | 11.9%) | Memphis Tiger Swimming | 01/16/2026 | 2026 Gabrielle Rose Tiger Classic | ||
| 9427 | John Garesche | 43.37 | 9 | B: 38.19 (+5.18s | 11.9%) | Arlington Aquatic Club | 02/13/2026 | 2026 AAC Winter Gator Meet | ||
| 9428 | Waylon Pieper | 43.37 | 9 | B: 38.19 (+5.18s | 11.9%) | Beatrice YMCA Barracudas | 11/09/2025 | 2025 MW App LYD Y ThankSwimming | ||
| 9429 | Henry Peterson | 43.38 | 8 | B: 38.19 (+5.19s | 12.0%) | Blue Dolfins | 02/28/2026 | 2026 Spring Area 2 Championships | ||
| 9430 | Jay LaMarre | 43.38 | 8 | B: 38.19 (+5.19s | 12.0%) | Pacific Swim | 11/02/2025 | 2025 SI ICAC RISING STARS 1 | ||
| 9431 | Shreyas Srinivasan | 43.38 | 10 | B: 38.19 (+5.19s | 12.0%) | Sailfish Aquatics | 03/07/2026 | 2026 MSA March Madness Invitational | ||
| 9432 | Winston Parsons | 43.38 | 10 | B: 38.19 (+5.19s | 12.0%) | Murray Aquatic Club | 11/21/2025 | 2025 MAC Thanksgiving Invitational | ||
| 9433 | Ethan Mair | 43.38 | 8 | B: 38.19 (+5.19s | 12.0%) | Stafford Aquatics Team | 12/04/2025 | 2025 RAYS Nutcracker Classic Copied | ||
| 9434 | Kason Kitson | 43.38 | 7 | B: 38.19 (+5.19s | 12.0%) | Henson Family YMCA | 12/05/2025 | 2025 Christmas Championships | ||
| 9435 | Paxton Couty | 43.38 | 8 | B: 38.19 (+5.19s | 12.0%) | Seattle Metropolitan Aquatic C | 03/28/2026 | 2026 PN Spring Showdown, Div 2 Approved | ||
| 9436 | Jameson Felkey | 43.38 | 9 | B: 38.19 (+5.19s | 12.0%) | Foxjets Swim Team | 02/21/2026 | 2026 MN FOXJ MN Bronze Championship | ||
| 9437 | Micah Brown | 43.38 | 8 | B: 38.19 (+5.19s | 12.0%) | MN Flyers Swim Team | 03/07/2026 | 2026 MN RSC 10 U State Championship | ||
| 9438 | Logan Nielsen | 43.38 | 9 | B: 38.19 (+5.19s | 12.0%) | Fremont Area Swim Team | 12/13/2025 | 2025 MW App BARR Y Gingerbread Meet | ||
| 9439 | Henry Michael | 43.39 | 7 | B: 38.19 (+5.20s | 12.0%) | Seahawks Swim club | 03/07/2026 | 2026 GTWY 8 Under Champs | ||
| 9440 | Gavin Liu | 43.39 | 9 | B: 38.19 (+5.20s | 12.0%) | Wave Aquatics | 03/28/2026 | 2026 PN Spring Showdown, Div 4 Approved | ||
| 9441 | Lukas Howes | 43.39 | 7 | B: 38.19 (+5.20s | 12.0%) | Sussex County YMCA | 12/06/2025 | 2025 MR NDAC Kevin Storrs Winter Festival | ||
| 9442 | Kuzey Bulbul | 43.39 | 7 | B: 38.19 (+5.20s | 12.0%) | Machine Aquatics | 03/20/2026 | March Madness 2026 | ||
| 9443 | Christopher Jolon | 43.40 | 9 | B: 38.19 (+5.21s | 12.0%) | Middlesex Swim Club | 03/13/2026 | 2026 Shawmut NE Cup Championship | ||
| 9444 | Graham Meyers | 43.40 | 9 | B: 38.19 (+5.21s | 12.0%) | South Oakland River Otters | 02/21/2026 | 2026 Michigan YMCA Clusters Championship | ||
| 9445 | MacClellan Menzies | 43.40 | 8 | B: 38.19 (+5.21s | 12.0%) | Mighty Marlins Swim Club | 12/06/2025 | 2025 PN Fall Divisionals, Division 2 | ||
| 9446 | Lance Mortenson | 43.40 | 10 | B: 38.19 (+5.21s | 12.0%) | Fmy Gators | 01/24/2026 | 2026 MN DRGN Fire And Ice Invite | ||
| 9447 | David Volynets | 43.40 | 8 | B: 38.19 (+5.21s | 12.0%) | Swim Fort Lauderdale | 01/23/2026 | SPEEDO CUP CLOSED INVITE Copied | ||
| 9448 | Leo Billig | 43.40 | 9 | B: 38.19 (+5.21s | 12.0%) | Westchester Aquatic Club | 12/05/2025 | 2025 MR BGNW December 14 Under Invitational | ||
| 9449 | Camden MacQuinn | 43.40 | 10 | B: 38.19 (+5.21s | 12.0%) | Mount Desert Island YMCA ST | 03/13/2025 | 2025 MESI Winter Short Course Championships | ||
| 9450 | Samuel Edelman | 43.41 | 9 | B: 38.19 (+5.22s | 12.0%) | Fenix Swim Club | 11/21/2025 | 2025 SoFlo Last Chance And Holiday 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.