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 | |
|---|---|---|---|---|---|---|---|---|---|
| 2451 | Lucas Putman | 41.04 | 10 | BB Min | A: 37.59 (+3.45s | 8.4%) | Frederick Area Swim Team | 11/01/2025 | 2025 Bridget Vache Memorial MAC Fall Frenzy | |
| 2452 | Blake Hadfield | 41.04 | 10 | BB Min | A: 37.59 (+3.45s | 8.4%) | Aulea Swim Club | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 2453 | Calvin Oliphant | 41.04 | 10 | BB Min | A: 37.59 (+3.45s | 8.4%) | Arlington Aquatic Club | 12/12/2025 | 2025 MAKO HOLIDAY INVITATIONAL | |
| 2454 | Tyler Henry | 41.04 | 10 | BB Min | A: 37.59 (+3.45s | 8.4%) | Lynchburg YMCA Swim Team | 12/04/2025 | 14th Annual Swim Tri Speedo Winter Champs | |
| 2455 | Darsh Bahri | 41.04 | 10 | BB Min | A: 37.59 (+3.45s | 8.4%) | Aces Swim Club | 03/06/2026 | 2026 CO 14 U Silver State | |
| 2456 | Lincoln Conneely | 41.04 | 10 | BB Min | A: 37.59 (+3.45s | 8.4%) | North Shore Swim Club | 01/30/2026 | 2026 NE GS Silver Championships | |
| 2457 | Yaseer Owens | 41.04 | 9 | BB Min | A: 37.59 (+3.45s | 8.4%) | Unified Aquatics Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 2458 | James Noel | 41.05 | 8 | BB Min | A: 37.59 (+3.46s | 8.4%) | Tide Swimming | 02/07/2026 | 2026 8 And Under Southeastern District Champs | |
| 2459 | Hudson Zillmer | 41.05 | 10 | BB Min | A: 37.59 (+3.46s | 8.4%) | North Suburban Aquatic Club | 02/27/2026 | 2026 MN RSC Minnesota Regional Championship | |
| 2460 | Elliott Rice | 41.05 | 10 | BB Min | A: 37.59 (+3.46s | 8.4%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 03/07/2026 | 2026 Lake Huron Regional Meet | |
| 2461 | Gil Ben Yona | 41.06 | 8 | BB Min | A: 37.59 (+3.47s | 8.5%) | Long Island Aquatic Club | 03/07/2026 | 2026 MR Metro 8 Under Championships | |
| 2462 | Romeo Ottaviano | 41.06 | 9 | BB Min | A: 37.59 (+3.47s | 8.5%) | Sarasota Sharks | 01/23/2026 | 2026 Hot Chocolate Invite | |
| 2463 | Liam Schnobrich | 41.06 | 10 | BB Min | A: 37.59 (+3.47s | 8.5%) | St Croix Swim Club | 02/13/2026 | 2026 MN RSC President S Day Meet | |
| 2464 | Kullen Carrico | 41.06 | 10 | BB Min | A: 37.59 (+3.47s | 8.5%) | Delaware Riptide YMCA Swim Tea | 02/19/2026 | 2026 OH UASC SC Regional Championships | |
| 2465 | Michael Campbell | 41.06 | 9 | BB Min | A: 37.59 (+3.47s | 8.5%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 12/06/2025 | SLA Holiday Blast | |
| 2466 | John Penfold | 41.06 | 9 | BB Min | A: 37.59 (+3.47s | 8.5%) | Brooklyn Stingrays | 02/07/2026 | 2026 MR QNS We Fly High Invitational | |
| 2467 | Ezekiel Beitz | 41.07 | 10 | BB Min | A: 37.59 (+3.48s | 8.5%) | York Swim Club of Northern Vir | 03/20/2026 | March Madness 2026 | |
| 2468 | Benjamin Bembridge | 41.07 | 10 | BB Min | A: 37.59 (+3.48s | 8.5%) | Machine Aquatics | 02/13/2026 | 39th Black History Swim Meet | |
| 2469 | Ronan Hamilton | 41.07 | 8 | BB Min | A: 37.59 (+3.48s | 8.5%) | 757swim | 02/07/2026 | 2026 8 And Under Southeastern District Champs | |
| 2470 | Julien Nguyen | 41.07 | 10 | BB Min | A: 37.59 (+3.48s | 8.5%) | City of Mobile Swim Associatio | 02/13/2026 | 2026 SES Region 4 Championships | |
| 2471 | Alex van den Berg | 41.07 | 9 | BB Min | A: 37.59 (+3.48s | 8.5%) | Swim Melbourne | 02/06/2026 | 2026 Stanton C Craigie Memorial Invite | |
| 2472 | Thomas Wyss | 41.07 | 9 | BB Min | A: 37.59 (+3.48s | 8.5%) | Arlington Aquatic Club | 01/17/2026 | 2026 PV January Open Audrey Moore | |
| 2473 | Ali Abolfadl | 41.08 | 9 | BB Min | A: 37.59 (+3.49s | 8.5%) | Olympic Cascade Aquatics | 10/18/2025 | 2025 PN VAST Fall Classic | |
| 2474 | Chris Oh | 41.08 | 9 | BB Min | A: 37.59 (+3.49s | 8.5%) | Crimson Aquatics | 01/30/2026 | 2026 NE CS Silver Championships | |
| 2475 | Andrew Gibson | 41.08 | 8 | BB Min | A: 37.59 (+3.49s | 8.5%) | North Baltimore Aquatic Club | 03/21/2026 | 2026 Maryland 8 Under Championship Meet | |
| 2476 | YuBo Wang | 41.08 | 10 | BB Min | A: 37.59 (+3.49s | 8.5%) | Laker Swim | 01/18/2025 | 2025 GOAT TYR Team Challenge And SYOA | |
| 2477 | Levi Cheung | 41.08 | 8 | BB Min | A: 37.59 (+3.49s | 8.5%) | Beaverton Area Aquatics Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 2478 | Russell Dsouza | 41.09 | 10 | BB Min | A: 37.59 (+3.50s | 8.5%) | Club Wolverine | 02/14/2026 | SAC Winter Classic | |
| 2479 | Richard Eliason | 41.09 | 10 | BB Min | A: 37.59 (+3.50s | 8.5%) | Lincoln Y Dolphins | 10/19/2025 | 2025 MW BARR Y Zombie Splash | |
| 2480 | Miles Edwards | 41.09 | 9 | BB Min | A: 37.59 (+3.50s | 8.5%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 2481 | Benjamin Segear | 41.09 | 9 | BB Min | A: 37.59 (+3.50s | 8.5%) | Fox Swim Club | 11/14/2025 | 2025 RMSC November Dual Meet | |
| 2482 | Declan Matthews | 41.09 | 9 | BB Min | A: 37.59 (+3.50s | 8.5%) | Helios | 02/14/2026 | 2026 SwimMAC Qualifier Festival | |
| 2483 | Matthew Maris-Wolf | 41.10 | 10 | BB Min | A: 37.59 (+3.51s | 8.5%) | Williamsburg Aquatic Club | 02/13/2026 | 2026 Southeast District 9 12 Championship | |
| 2484 | Austin Romero-Zermeno | 41.10 | 9 | BB Min | A: 37.59 (+3.51s | 8.5%) | Rockville Montgomery Swim Club | 12/06/2025 | 2025 Reindeer Mini Meet | |
| 2485 | Jack Mearns | 41.10 | 8 | BB Min | A: 37.59 (+3.51s | 8.5%) | Greensboro Community YMCA | 03/19/2026 | 2026 USRY Short Course Champs | |
| 2486 | Noah Kim | 41.11 | 9 | BB Min | A: 37.59 (+3.52s | 8.6%) | Spartan Aquatic Club | 03/07/2026 | 2026 Lake Erie Regional Meet | |
| 2487 | Sebastian Diaz | 41.11 | 9 | BB Min | A: 37.59 (+3.52s | 8.6%) | H2okie Aquatics | 02/27/2026 | 2026 SW District Champs 9 Over | |
| 2488 | Darren Xue | 41.11 | 10 | BB Min | A: 37.59 (+3.52s | 8.6%) | Lone Star Aquatic Club | 01/17/2026 | 2026 ST AQTX B Champs North | |
| 2489 | Luke Brophy | 41.12 | 9 | BB Min | A: 37.59 (+3.53s | 8.6%) | Irvine Novaquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 2490 | Ethan Huang | 41.12 | 9 | BB Min | A: 37.59 (+3.53s | 8.6%) | Atlantic Coast Athletic Club | 02/27/2026 | 2026 SW District Champs 9 Over | |
| 2491 | Jaxon Mendoza | 41.12 | 10 | BB Min | A: 37.59 (+3.53s | 8.6%) | San Benito Aquatics | 01/24/2025 | 2025 Brian Malick Memorial Z1S Championships | |
| 2492 | Curtis Curry | 41.13 | 9 | BB Min | A: 37.59 (+3.54s | 8.6%) | Cullman Swim Association | 01/16/2026 | 2026 HSA TYR Invitational | |
| 2493 | Nathan Liu | 41.13 | 10 | BB Min | A: 37.59 (+3.54s | 8.6%) | First Colony Swim Team, Inc. | 11/08/2024 | 2024 FCST Nov Tri Meet | |
| 2494 | Hunter Wilson | 41.13 | 9 | BB Min | A: 37.59 (+3.54s | 8.6%) | Kamehameha Swim Club | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 2495 | Kyler Robson | 41.13 | 8 | BB Min | A: 37.59 (+3.54s | 8.6%) | Cincinnati Marlins | 02/19/2026 | 2026 OH CM SC Regional Championships | |
| 2496 | Ethan Rana | 41.13 | 10 | BB Min | A: 37.59 (+3.54s | 8.6%) | Highlands Ranch Aquatics | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 2497 | Joshua Lowery | 41.13 | 10 | BB Min | A: 37.59 (+3.54s | 8.6%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 02/27/2026 | 2026 Junior Cup | |
| 2498 | DeRon Montgomery | 41.13 | 8 | BB Min | A: 37.59 (+3.54s | 8.6%) | Razor Aquatics | 03/07/2026 | 2026 Lake Erie Regional Meet | |
| 2499 | Steven Kimeu | 41.13 | 10 | BB Min | A: 37.59 (+3.54s | 8.6%) | Rochester Swim Club | 02/13/2026 | 2026 MN RSC President S Day Meet | |
| 2500 | Keegan Wallace | 41.13 | 9 | BB Min | A: 37.59 (+3.54s | 8.6%) | SwimRVA | 01/09/2026 | NOVA New Year S Kick Off | |
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.