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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1601 | Reid Kelton | 39.09 | 8 | BB Min | A: 37.59 (+1.50s | 3.8%) | Westchester Aquatic Club | 03/20/2026 | 2026 SwimRVA Clover Cup | |
| 1602 | Mark Biggs | 39.10 | 10 | BB Min | A: 37.59 (+1.51s | 3.9%) | Huntsville Swim Association | 02/20/2026 | 2026 SE Auburn Classic | |
| 1603 | Logan O'Neil | 39.10 | 10 | BB Min | A: 37.59 (+1.51s | 3.9%) | Arlington Aquatic Club | 02/13/2026 | 2026 AAC Winter Gator Meet | |
| 1604 | Hunter Cockrill | 39.10 | 10 | BB Min | A: 37.59 (+1.51s | 3.9%) | 757swim | 12/05/2025 | 2025 757swim Grand Illumination | |
| 1605 | Aiden Mayer | 39.10 | 10 | BB Min | A: 37.59 (+1.51s | 3.9%) | Htx Swims | 01/18/2025 | 2025 LSST January Frosty Meet | |
| 1606 | Brayden Nguyen | 39.10 | 9 | BB Min | A: 37.59 (+1.51s | 3.9%) | San Jose Goosemonkeys | 02/28/2026 | Swim South Bay | |
| 1607 | Jaden Moy | 39.10 | 10 | BB Min | A: 37.59 (+1.51s | 3.9%) | Fast Falcons | 02/28/2026 | 2026 Area 4 Spring Champs | |
| 1608 | Bode Lake | 39.10 | 10 | BB Min | A: 37.59 (+1.51s | 3.9%) | YMCA Fairfax County Reston | 11/01/2025 | 2025 Fox Fall Invitational 2 | |
| 1609 | Harrison Kyin | 39.10 | 10 | BB Min | A: 37.59 (+1.51s | 3.9%) | Cavalier Aquatics/Piedmont Fam | 01/31/2026 | LY Vs CA Y January Dual | |
| 1610 | Benson Lao | 39.10 | 9 | BB Min | A: 37.59 (+1.51s | 3.9%) | Long Island Aquatic Club | 02/20/2026 | 2026 MR Silvers Championship South HAUP | |
| 1611 | Brendan Ma | 39.10 | 9 | BB Min | A: 37.59 (+1.51s | 3.9%) | Orinda Aquatics | 03/28/2026 | Piedmont Swim Team C B BB+ | |
| 1612 | Camden Wallis | 39.11 | 10 | BB Min | A: 37.59 (+1.52s | 3.9%) | All Star Aquatics | 10/11/2025 | 2025 ASA October Kick Off | |
| 1613 | Miguel Villalobos Hernandez | 39.11 | 10 | BB Min | A: 37.59 (+1.52s | 3.9%) | EL Paso Border Land Swim Team | 12/07/2025 | 2025 BD Del Norte #3 | |
| 1614 | Noah Millward | 39.11 | 9 | BB Min | A: 37.59 (+1.52s | 3.9%) | Egra Waves | 03/07/2026 | 2026 Lake Michigan Regional Meet | |
| 1615 | Kaleb Robinson | 39.12 | 10 | BB Min | A: 37.59 (+1.53s | 3.9%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 1616 | Beau Nobles | 39.12 | 8 | BB Min | A: 37.59 (+1.53s | 3.9%) | Tnt Swimming | 01/16/2026 | 2026 GPAC Winter Invitational | |
| 1617 | Joel Stees | 39.12 | 10 | BB Min | A: 37.59 (+1.53s | 3.9%) | Aquawolves Swimming | 02/14/2026 | 2026 CO AQUA February Home Meet | |
| 1618 | Yiannis Virvilis | 39.12 | 8 | BB Min | A: 37.59 (+1.53s | 3.9%) | Hauppauge Swimming | 02/28/2026 | 2026 MR TVSC St Patrick S Day 8 Under Meet | |
| 1619 | Arlo Nagy | 39.13 | 9 | BB Min | A: 37.59 (+1.54s | 3.9%) | Minnetonka Swim Club | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 1620 | Jaden Tang | 39.13 | 10 | BB Min | A: 37.59 (+1.54s | 3.9%) | Long Island Express | 01/30/2026 | 2026 MR LIE Second Chance Invitational | |
| 1621 | Alister Carlton | 39.13 | 9 | BB Min | A: 37.59 (+1.54s | 3.9%) | Nitro Swimming | 02/06/2026 | 2026 ST AQTX STX Champs North | |
| 1622 | Mark Taylor | 39.13 | 9 | BB Min | A: 37.59 (+1.54s | 3.9%) | Seal Beach Swim Club | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 1623 | Jameson Leung | 39.13 | 10 | BB Min | A: 37.59 (+1.54s | 3.9%) | Trident Aquatic Club | 02/28/2026 | 2026 MR QNS I Know I Can Invitational | |
| 1624 | Colin Paget | 39.13 | 10 | BB Min | A: 37.59 (+1.54s | 3.9%) | Nova of Virginia | 12/12/2025 | 2025 HVAC Winterfest Invitational | |
| 1625 | David Staperfenne | 39.14 | 10 | BB Min | A: 37.59 (+1.55s | 4.0%) | Grosse Pointe Gators | 02/28/2026 | 2026 Last Chance Meet | |
| 1626 | Conrad Shwe | 39.14 | 9 | BB Min | A: 37.59 (+1.55s | 4.0%) | Clovis Swim Club | 01/10/2026 | 2026 Clovis Swim Club Winter Open | |
| 1627 | James Angelos | 39.14 | 10 | BB Min | A: 37.59 (+1.55s | 4.0%) | Eagle Swimming Association | 02/21/2025 | 2025 Gulf 12 Under Champs (TASC) | |
| 1628 | Christopher Polk | 39.14 | 10 | B: 38.49 (+0.65s | 1.7%) | Tide Swimming | 02/13/2026 | 2026 Southeast District 9 12 Championship | ||
| 1629 | James Ahern | 39.14 | 9 | BB Min | A: 37.59 (+1.55s | 4.0%) | SwimMAC Carolina | 02/14/2026 | 2026 SwimMAC Qualifier Festival | |
| 1630 | Ryan Li | 39.15 | 10 | BB Min | A: 37.59 (+1.56s | 4.0%) | Mason Manta Rays | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1631 | Mason Lee | 39.15 | 10 | BB Min | A: 37.59 (+1.56s | 4.0%) | Issaquah Swim Team | 03/19/2026 | 2026 Northwest Region AG Champs Approved | |
| 1632 | Eric Liu | 39.15 | 10 | BB Min | A: 37.59 (+1.56s | 4.0%) | Brea Aquatics | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 1633 | William Cao | 39.15 | 9 | BB Min | A: 37.59 (+1.56s | 4.0%) | Great Lakes Sailfish Swimming | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1634 | Benjamin Leger | 39.16 | 10 | BB Min | A: 37.59 (+1.57s | 4.0%) | Lynchburg YMCA Swim Team | 01/31/2026 | LY Vs CA Y January Dual | |
| 1635 | Xander Andrade | 39.16 | 9 | BB Min | A: 37.59 (+1.57s | 4.0%) | Pflugerville Pflamingos | 02/06/2026 | 2026 ST AQTX STX Champs North | |
| 1636 | Nicholas Blakey | 39.16 | 10 | BB Min | A: 37.59 (+1.57s | 4.0%) | Hockomock Area YMCA Lightning | 01/30/2026 | 2026 NE CS Silver Championships | |
| 1637 | Henry Wang | 39.16 | 9 | BB Min | A: 37.59 (+1.57s | 4.0%) | Arctic Aquatics | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 1638 | Corbin Piatt | 39.16 | 10 | BB Min | A: 37.59 (+1.57s | 4.0%) | Raleigh Swimming Association | 03/26/2026 | 2026 NCAC Spring Tar Heel States Copied | |
| 1639 | Myer Tan | 39.16 | 9 | BB Min | A: 37.59 (+1.57s | 4.0%) | Three Village Swim Club | 03/27/2026 | 2026 MR Bronze Championship South LIE | |
| 1640 | Ryan Karapostoles | 39.17 | 9 | BB Min | A: 37.59 (+1.58s | 4.0%) | Swim Melbourne | 02/06/2026 | 2026 Stanton C Craigie Memorial Invite | |
| 1641 | Ben Noorda | 39.17 | 9 | BB Min | A: 37.59 (+1.58s | 4.0%) | Nitro Swimming | 02/06/2026 | 2026 ST AQTX STX Champs North | |
| 1642 | William Hall | 39.17 | 9 | BB Min | A: 37.59 (+1.58s | 4.0%) | Tennessee Aquatics | 03/06/2026 | Speedo Southern Premier | |
| 1643 | Oliver Nielsen | 39.17 | 10 | BB Min | A: 37.59 (+1.58s | 4.0%) | Aquajets Swim Team | 12/05/2025 | 2025 MN AQJT 14 U Single Age State Meet Cop | |
| 1644 | Ethan Gaffin | 39.17 | 9 | BB Min | A: 37.59 (+1.58s | 4.0%) | Alamo Area Aquatic Association | 02/13/2026 | 2026 ST HPAC STX Champs South | |
| 1645 | Connor Kelly | 39.17 | 10 | BB Min | A: 37.59 (+1.58s | 4.0%) | Condors Swim Club | 02/20/2026 | 2026 MR Silvers North Championship YMID | |
| 1646 | Richmond Inger | 39.18 | 10 | BB Min | A: 37.59 (+1.59s | 4.1%) | Grosse Pointe Gators | 12/06/2025 | 2025 26 Super Fast And Furious Prelim Final | |
| 1647 | Jayden Davis | 39.18 | 10 | BB Min | A: 37.59 (+1.59s | 4.1%) | East Carolina Aquatics | 11/21/2025 | 2025 ECA Southeastern Classic | |
| 1648 | Gabe Dietrich | 39.18 | 9 | BB Min | A: 37.59 (+1.59s | 4.1%) | Greater Toledo Aquatic Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1649 | Rowan Womack | 39.18 | 10 | BB Min | A: 37.59 (+1.59s | 4.1%) | Greater Toledo Aquatic Club | 02/19/2026 | 2026 OH SOS SC Regional Championships | |
| 1650 | William Cardoso | 39.19 | 9 | BB Min | A: 37.59 (+1.60s | 4.1%) | Crimson Aquatics | 09/28/2025 | 2025 NE CRIM Battle Of The Branches Copied | |
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.