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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1451 | Emory Hulslander | 39.40 | 10 | BB Min | A: 37.59 (+1.81s | 4.6%) | Aces Swim Club | 03/07/2025 | 2025 CO CSI Silver State Championships | |
| 1452 | Sebastian DeLuca | 39.40 | 9 | BB Min | A: 37.59 (+1.81s | 4.6%) | Patriot Swim Team | 02/20/2026 | 2026 MR Silvers North Championship YMID | |
| 1453 | Christopher Abraham | 39.40 | 8 | BB Min | A: 37.59 (+1.81s | 4.6%) | Egra Waves | 02/07/2026 | 2026 Grand Rapids Open | |
| 1454 | Cole Nicholson | 39.41 | 10 | BB Min | A: 37.59 (+1.82s | 4.6%) | Empire Swimming | 02/06/2026 | 2026 MR YMID February Classic Copied | |
| 1455 | Tomer Fromberg | 39.41 | 9 | BB Min | A: 37.59 (+1.82s | 4.6%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 1456 | Bodhi Lauby | 39.41 | 10 | BB Min | A: 37.59 (+1.82s | 4.6%) | Sea Devils | 02/27/2026 | 2026 MN STRM Minnesota Regional Championship | |
| 1457 | Leo Pushkar | 39.41 | 10 | BB Min | A: 37.59 (+1.82s | 4.6%) | Parkway-Rockwood Gateway Swim | 02/27/2026 | Ozark Division I Championship | |
| 1458 | Terence Wu | 39.41 | 9 | BB Min | A: 37.59 (+1.82s | 4.6%) | Bellevue Club Swim Team | 06/19/2026 | 2026 PN SRST Summer Invitational Approved | |
| 1459 | Cole Torrance | 39.42 | 10 | BB Min | A: 37.59 (+1.83s | 4.6%) | Fairfield Aquatics | 03/26/2026 | Destination Athlete Centennial Invite 2026 | |
| 1460 | Colt Lybrand | 39.42 | 9 | BB Min | A: 37.59 (+1.83s | 4.6%) | Unattached | 01/23/2026 | BLOOMIN FAST SWIM MEET | |
| 1461 | Beau Jakubowski | 39.42 | 9 | BB Min | A: 37.59 (+1.83s | 4.6%) | Aces Swim Club | 02/14/2026 | 2026 CO ACES Winter Open | |
| 1462 | Watson She | 39.43 | 10 | BB Min | A: 37.59 (+1.84s | 4.7%) | Bellevue Club Swim Team | 06/19/2026 | 2026 PN SRST Summer Invitational Approved | |
| 1463 | Matthew Mayher | 39.43 | 10 | BB Min | A: 37.59 (+1.84s | 4.7%) | Blazing Barracudas | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1464 | Isaiah Williams | 39.44 | 10 | BB Min | A: 37.59 (+1.85s | 4.7%) | Accokeek Stroke Technique Swim | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 1465 | Henry Jarchow | 39.44 | 9 | BB Min | A: 37.59 (+1.85s | 4.7%) | St Croix Swim Club | 02/13/2026 | 2026 MN RSC President S Day Meet | |
| 1466 | Dylan Tian | 39.44 | 8 | BB Min | A: 37.59 (+1.85s | 4.7%) | Santa Clara Swim Club | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 1467 | Simiao He | 39.44 | 10 | BB Min | A: 37.59 (+1.85s | 4.7%) | Circle C Select Swim Team | 11/16/2025 | 2025 ST TXLA 10 U November Unclassified | |
| 1468 | Michael Rybak | 39.45 | 10 | BB Min | A: 37.59 (+1.86s | 4.7%) | Zeus Swim Team | 12/05/2025 | 2025 MR NYS Holiday Classic Trials Finals | |
| 1469 | Elliott Horng | 39.46 | 9 | BB Min | A: 37.59 (+1.87s | 4.7%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 1470 | Henry Chenier | 39.46 | 10 | BB Min | A: 37.59 (+1.87s | 4.7%) | YMCA OF Western North Carolina | 03/06/2026 | Jon Jolley GYSSA 2026 | |
| 1471 | Collin James | 39.46 | 10 | BB Min | A: 37.59 (+1.87s | 4.7%) | West Linn | 02/15/2025 | 2025 OR HS 6A 5 | |
| 1472 | Teddy Schulkers | 39.46 | 10 | BB Min | A: 37.59 (+1.87s | 4.7%) | Mariemont Ohio Swim Team | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1473 | Brendon Kim | 39.46 | 10 | BB Min | A: 37.59 (+1.87s | 4.7%) | H2o Swim Team | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 1474 | Nikita Saharov | 39.47 | 9 | BB Min | A: 37.59 (+1.88s | 4.8%) | Freedom Aquatics | 09/27/2025 | 2025 MR FREE Season Starter | |
| 1475 | Kyle Sohn | 39.47 | 7 | BB Min | A: 37.59 (+1.88s | 4.8%) | Twisters Swim Club | 02/20/2026 | 2026 MR Metro Silver Central Champs WEST | |
| 1476 | Thiago Orellana | 39.47 | 10 | BB Min | A: 37.59 (+1.88s | 4.8%) | Wauseon Aquatic Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1477 | Anthony Wang | 39.47 | 9 | BB Min | A: 37.59 (+1.88s | 4.8%) | Dragon Swim Team | 01/17/2026 | 2026 PV January Open Audrey Moore | |
| 1478 | Isaac Marcuson | 39.47 | 10 | BB Min | A: 37.59 (+1.88s | 4.8%) | Aspire Aquatics of Colorado | 03/06/2026 | 2026 CO 14 U Silver State | |
| 1479 | Marcus Pass | 39.47 | 9 | BB Min | A: 37.59 (+1.88s | 4.8%) | Sioux Falls Swim Team | 02/20/2026 | 2026 SD 12 Under Short Course State A Champ | |
| 1480 | Joshua Lung | 39.48 | 10 | BB Min | A: 37.59 (+1.89s | 4.8%) | Unattached | 11/22/2025 | 2025 Dr Dowain Wright Memorial ABC | |
| 1481 | HanJun Zhang | 39.48 | 10 | BB Min | A: 37.59 (+1.89s | 4.8%) | Wasc | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 1482 | Jackson Macaluso | 39.48 | 10 | BB Min | A: 37.59 (+1.89s | 4.8%) | Tampa Elite Aquatics | 06/20/2026 | West Coast B Champtionships | |
| 1483 | Shepard Elenkiwich | 39.48 | 9 | BB Min | A: 37.59 (+1.89s | 4.8%) | Minnetonka Swim Club | 02/27/2026 | 2026 MN MTKA Minnesota Regional Championship | |
| 1484 | Duke Neligan | 39.48 | 9 | BB Min | A: 37.59 (+1.89s | 4.8%) | South Lyon Aquatics | 03/07/2026 | 2026 Lake Ontario Regional Meet | |
| 1485 | Ethan Yao | 39.48 | 9 | BB Min | A: 37.59 (+1.89s | 4.8%) | Long Island Aquatic Club | 12/05/2025 | 2025 MR NYS Holiday Classic Trials Finals | |
| 1486 | Sam Steiner | 39.48 | 10 | BB Min | A: 37.59 (+1.89s | 4.8%) | The Capitol Sea Devils | 03/20/2026 | March Madness 2026 | |
| 1487 | Hays Wilson | 39.48 | 9 | BB Min | A: 37.59 (+1.89s | 4.8%) | Nashville Aquatic Club | 03/06/2026 | Speedo Southern Premier | |
| 1488 | Aidan Grish | 39.49 | 10 | BB Min | A: 37.59 (+1.90s | 4.8%) | YMCA of Virginia\\\\\\'s Blue Ridge | 10/18/2025 | LY 2025 YMCA October Meet | |
| 1489 | Eli Li | 39.49 | 10 | BB Min | A: 37.59 (+1.90s | 4.8%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 1490 | Nicholas Mosendz | 39.49 | 10 | BB Min | A: 37.59 (+1.90s | 4.8%) | Santa Clara Swim Club | 03/28/2026 | Swim South Bay | |
| 1491 | Braden Hussey | 39.50 | 10 | BB Min | A: 37.59 (+1.91s | 4.8%) | Bluefish Swim Club | 03/13/2026 | 2026 NE INST NE Cup | |
| 1492 | Lucas Calderon Hilares | 39.50 | 10 | BB Min | A: 37.59 (+1.91s | 4.8%) | Twisters Swim Club | 02/28/2026 | 2026 MR QNS I Know I Can Invitational | |
| 1493 | Norman Glauberman | 39.50 | 10 | BB Min | A: 37.59 (+1.91s | 4.8%) | Sierra Marlins Swim Team | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 1494 | Hughie Easterday-Woodson | 39.50 | 9 | BB Min | A: 37.59 (+1.91s | 4.8%) | Riverbank RedTails Swim Team | 02/20/2026 | 2026 MR Metro Silver Central Champs WEST | |
| 1495 | Alexander Pevzner | 39.51 | 10 | BB Min | A: 37.59 (+1.92s | 4.9%) | Ridgewood YMCA Breakers Swim T | 11/14/2025 | 2025 MR COND November IMX Invitational | |
| 1496 | Etai Gavra | 39.51 | 10 | BB Min | A: 37.59 (+1.92s | 4.9%) | Patriot Aquatics | 02/28/2026 | 2026 Spring Area 2 Championships | |
| 1497 | Devan Gupta | 39.51 | 10 | BB Min | A: 37.59 (+1.92s | 4.9%) | Mason Manta Rays | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1498 | Evan Buchanan | 39.51 | 10 | BB Min | A: 37.59 (+1.92s | 4.9%) | Hudson Explorer Aquatic | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1499 | Miles Kavanaugh | 39.51 | 10 | BB Min | A: 37.59 (+1.92s | 4.9%) | University Place Aquatic Club | 04/26/2025 | 2025 PN UPAC Mark Olson Invitational | |
| 1500 | Jackson Hadro | 39.52 | 10 | BB Min | A: 37.59 (+1.93s | 4.9%) | Life Time Minnesota Swim Team | 05/16/2026 | 2026 MN SHRK Tigersharks IM Tough Challenage | |
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.