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 | Ryan Yoon | 38.72 | 10 | BB Min | A: 37.59 (+1.13s | 2.9%) | Sierra Marlins Swim Team | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 1452 | River Narus | 38.72 | 8 | BB Min | A: 37.59 (+1.13s | 2.9%) | Gold Medal Swim Club | 02/13/2026 | 34th Annual Lost Dutchman Invitational | |
| 1453 | Thomas Nicely | 38.72 | 10 | BB Min | A: 37.59 (+1.13s | 2.9%) | Spartan Aquatic Club | 01/16/2026 | 2026 SE Ralph Crocker Classic | |
| 1454 | Charlie Zborowski | 38.72 | 10 | BB Min | A: 37.59 (+1.13s | 2.9%) | North Palm Beach Swim Club | 02/20/2026 | 2026 FG SCY BB Championships (NORTH) | |
| 1455 | River Briscoe | 38.72 | 9 | BB Min | A: 37.59 (+1.13s | 2.9%) | Madison Swimming Association | 02/06/2026 | 2026 SES Region 3 Champions | |
| 1456 | Bennett May | 38.72 | 10 | BB Min | A: 37.59 (+1.13s | 2.9%) | Worthington Swim Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1457 | Eames Meek | 38.73 | 10 | BB Min | A: 37.59 (+1.14s | 2.9%) | Highlander Aquatic Club | 10/10/2025 | 2025 FAST Pumpkin Plunge | |
| 1458 | Hengrui Cao | 38.73 | 10 | BB Min | A: 37.59 (+1.14s | 2.9%) | Saline Swim Team | 02/06/2026 | SST Snowstorm Splash | |
| 1459 | Andrew Liu | 38.73 | 10 | BB Min | A: 37.59 (+1.14s | 2.9%) | Bellevue Club Swim Team | 01/31/2026 | 2026 PN BISC Bluefin Invitational | |
| 1460 | Carter Probst | 38.74 | 10 | BB Min | A: 37.59 (+1.15s | 3.0%) | Csp Tideriders | 02/27/2026 | Ozark Division I Championship | |
| 1461 | Noah Monick | 38.74 | 10 | BB Min | A: 37.59 (+1.15s | 3.0%) | Middies Wave Ryders | 02/20/2026 | 2026 MR Silvers North Championship YMID | |
| 1462 | Leo Gazzard | 38.75 | 9 | BB Min | A: 37.59 (+1.16s | 3.0%) | Bellevue Club Swim Team | 02/27/2026 | 2026 PN Feb Age Group Invite,Div 3 Approved | |
| 1463 | Oliver Cutler | 38.75 | 10 | BB Min | A: 37.59 (+1.16s | 3.0%) | Raleigh Swimming Association | 03/26/2026 | 2026 NCAC Spring Tar Heel States Copied | |
| 1464 | Mingyang Li | 38.76 | 10 | BB Min | A: 37.59 (+1.17s | 3.0%) | Irvine Novaquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 1465 | Samuel Ramon | 38.76 | 10 | BB Min | A: 37.59 (+1.17s | 3.0%) | The Fish | 02/13/2026 | 2026 ASA President S Day Classic | |
| 1466 | Finn Scott | 38.76 | 10 | BB Min | A: 37.59 (+1.17s | 3.0%) | Alto Swim Club | 01/24/2026 | 2026 Zone 1 North Championships | |
| 1467 | Chezeq Morgos | 38.77 | 10 | BB Min | A: 37.59 (+1.18s | 3.0%) | Sea Dragon Aquatics | 03/26/2026 | Destination Athlete Centennial Invite 2026 | |
| 1468 | Colt Lybrand | 38.77 | 9 | BB Min | A: 37.59 (+1.18s | 3.0%) | Unattached | 02/20/2026 | Bay Area Spring Championships | |
| 1469 | Calvin Tonk | 38.77 | 10 | BB Min | A: 37.59 (+1.18s | 3.0%) | Benton Harbor-St. Joseph YMCA | 03/07/2026 | 2026 Michigan YMCA State Championship | |
| 1470 | Justin Chi | 38.77 | 9 | BB Min | A: 37.59 (+1.18s | 3.0%) | DeAnza Cupertino Aquatics | 02/07/2026 | PASA CBA+ SCY Meet Feb 2026 | |
| 1471 | Christian Matyja | 38.77 | 10 | BB Min | A: 37.59 (+1.18s | 3.0%) | Utica Shelby Swim Club | 02/27/2026 | 2026 Junior Cup | |
| 1472 | Matthew Davie | 38.78 | 10 | BB Min | A: 37.59 (+1.19s | 3.1%) | Bend Swim Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 1473 | William Toole | 38.78 | 10 | BB Min | A: 37.59 (+1.19s | 3.1%) | Pro Swimming | 03/06/2026 | 2026 PN PRO March Last Chance Intra Apprived | |
| 1474 | Declan Davis | 38.78 | 10 | BB Min | A: 37.59 (+1.19s | 3.1%) | Rogue Rapids | 11/21/2025 | 2025 Rogue Rapids Sofia Marks Invitational | |
| 1475 | Henry Luevano | 38.78 | 8 | BB Min | A: 37.59 (+1.19s | 3.1%) | Aces Swim Club | 03/06/2026 | 2026 CO 14 U Silver State | |
| 1476 | Marco Hines | 38.79 | 10 | BB Min | A: 37.59 (+1.20s | 3.1%) | Southwest Aquatic Team | 02/27/2026 | 2026 BD SCY Border Champs | |
| 1477 | Carter Little | 38.79 | 9 | BB Min | A: 37.59 (+1.20s | 3.1%) | Excel Aquatics | 02/21/2026 | 2026 SES Region 1 8 And Under Championships | |
| 1478 | Cole Cadiz | 38.79 | 10 | BB Min | A: 37.59 (+1.20s | 3.1%) | North Coast Aquatics | 03/06/2026 | 2026 SI 14U AGE GRP CHAMPIONSHIPS | |
| 1479 | Henry Busch | 38.79 | 10 | BB Min | A: 37.59 (+1.20s | 3.1%) | The Capitol Sea Devils | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 1480 | Ethan Baker | 38.79 | 10 | BB Min | A: 37.59 (+1.20s | 3.1%) | Quest Swimming | 11/15/2025 | 2025 WAC Fall Classic | |
| 1481 | Joseph Proffitt | 38.80 | 10 | BB Min | A: 37.59 (+1.21s | 3.1%) | Nova of Virginia | 03/21/2026 | NOVA Short Course Send Off 2026 | |
| 1482 | Peter Pan | 38.80 | 9 | BB Min | A: 37.59 (+1.21s | 3.1%) | Irvine Novaquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 1483 | Chayton Zhou | 38.80 | 9 | BB Min | A: 37.59 (+1.21s | 3.1%) | Pleasanton Seahawks | 03/28/2026 | PC CDST SC C B BB+ Meet | |
| 1484 | Brayden Blaine | 38.81 | 10 | BB Min | A: 37.59 (+1.22s | 3.1%) | Montrose Marlins Swim Club | 03/06/2026 | 2026 CO 14 U Silver State | |
| 1485 | Elliott Atwood | 38.81 | 10 | BB Min | A: 37.59 (+1.22s | 3.1%) | Chelsea Aquatic Club | 11/15/2025 | 2025 SAC Thanksgiving Classic ABC Meet | |
| 1486 | Sam Broadwater | 38.81 | 10 | BB Min | A: 37.59 (+1.22s | 3.1%) | Mako Swim Team | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1487 | JD Jolly | 38.81 | 10 | BB Min | A: 37.59 (+1.22s | 3.1%) | Livonia Community Swim Club | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 1488 | Nate Lewis | 38.82 | 10 | BB Min | A: 37.59 (+1.23s | 3.2%) | Marshall County Swim Club | 02/27/2026 | 2026 SE Southeastern Winter SC Championships | |
| 1489 | Isaiah Siress | 38.82 | 10 | BB Min | A: 37.59 (+1.23s | 3.2%) | Tucson Ford Dealers Aquatics | 02/13/2026 | 34th Annual Lost Dutchman Invitational | |
| 1490 | Jayden Liu | 38.82 | 10 | BB Min | A: 37.59 (+1.23s | 3.2%) | Seattle Metropolitan Aquatic C | 10/18/2025 | 2025 PN VAST Fall Classic | |
| 1491 | Levi Cooper | 38.82 | 10 | BB Min | A: 37.59 (+1.23s | 3.2%) | Greater Kalamazoo Crocs | 03/07/2026 | 2026 Lake Superior Regional Meet | |
| 1492 | Mark Antonucci | 38.82 | 10 | BB Min | A: 37.59 (+1.23s | 3.2%) | Rhode Island Aquatic Club | 03/13/2026 | 2026 Shawmut NE Cup Championship | |
| 1493 | Edward Ng | 38.82 | 10 | BB Min | A: 37.59 (+1.23s | 3.2%) | Tac Titans | 11/06/2025 | 2025 TAC TITANS Big Southern Classic | |
| 1494 | Aidan Woods | 38.83 | 10 | BB Min | A: 37.59 (+1.24s | 3.2%) | Fort Collins Area Swim Team | 01/23/2026 | 2026 CO FAST Winter Open | |
| 1495 | Theodore Ream | 38.83 | 10 | BB Min | A: 37.59 (+1.24s | 3.2%) | SwimMAC Carolina | 01/23/2026 | 2026 NC SwimMAC Battle Of The Crown | |
| 1496 | Devin Schlapman | 38.83 | 10 | BB Min | A: 37.59 (+1.24s | 3.2%) | Huntsville Swim Association | 02/06/2026 | 2026 SES Region 3 Champions | |
| 1497 | Hugo Morey | 38.83 | 10 | BB Min | A: 37.59 (+1.24s | 3.2%) | North Suburban Aquatic Club | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 1498 | Boris Petrov | 38.83 | 9 | BB Min | A: 37.59 (+1.24s | 3.2%) | Patriot Aquatics | 03/05/2026 | 2026 Florida Swimming FLAGS NORTH | |
| 1499 | Wyatt Baker | 38.83 | 9 | BB Min | A: 37.59 (+1.24s | 3.2%) | Kentridge | 01/10/2026 | 2026 Kentridge High School Invitational Obse | |
| 1500 | Ryan gao | 38.84 | 10 | BB Min | A: 37.59 (+1.25s | 3.2%) | Long Island Aquatic Club | 01/16/2026 | 2026 MR NFS 43rd Annual Dr MLK Jr Invite | |
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.