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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1001 | Ian Susanto | 38.13 | 9 | BB Min | A: 37.59 (+0.54s | 1.4%) | Legacy Aquatics | 05/16/2026 | 2026 John DeRoest Sextathlon Swim Meet | |
| 1002 | Paxton Allsman | 38.13 | 10 | BB Min | A: 37.59 (+0.54s | 1.4%) | Lincoln Select Swimming | 02/20/2026 | 2026 MW Midwestern Age Group Short Course | |
| 1003 | Charlie Kleinschrodt | 38.13 | 10 | BB Min | A: 37.59 (+0.54s | 1.4%) | Heritage High School | 02/13/2026 | 2026 District IV 3A 4A Mens Championships | |
| 1004 | Mauro Carrasco | 38.13 | 10 | BB Min | A: 37.59 (+0.54s | 1.4%) | Southwest Aquatic Team | 02/27/2026 | 2026 BD SCY Border Champs | |
| 1005 | Anthony Fuentes | 38.13 | 10 | BB Min | A: 37.59 (+0.54s | 1.4%) | T2 Aquatics | 01/16/2026 | 2026 T2 Aquatics Naples Open | |
| 1006 | Kian Bahmani | 38.13 | 10 | BB Min | A: 37.59 (+0.54s | 1.4%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 1007 | Matias Hosein | 38.13 | 10 | BB Min | A: 37.59 (+0.54s | 1.4%) | Gulliver Swim Club | 02/20/2026 | 2026 FG SCY BB Championships SOUTH | |
| 1008 | Wesley Roberson | 38.15 | 9 | BB Min | A: 37.59 (+0.56s | 1.5%) | Pointe Aquatics | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 1009 | Hardy Dietrich | 38.15 | 10 | BB Min | A: 37.59 (+0.56s | 1.5%) | Prince William Swim Club | 02/13/2026 | 2026 Northern District 12 Under Championship | |
| 1010 | Liam Reyes | 38.17 | 10 | BB Min | A: 37.59 (+0.58s | 1.5%) | Reno Aquatic Club | 03/14/2026 | 2026 NNA AGO | |
| 1011 | Kai Jyawook | 38.17 | 10 | BB Min | A: 37.59 (+0.58s | 1.5%) | H2okie Aquatics | 02/27/2026 | 2026 SW District Champs 9 Over | |
| 1012 | Felix Hagen | 38.17 | 10 | BB Min | A: 37.59 (+0.58s | 1.5%) | Hurricanes Swim Team | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 1013 | Matt Borremans | 38.18 | 9 | BB Min | A: 37.59 (+0.59s | 1.5%) | YMCA of South Florida | 03/05/2026 | 2026 FG Age Group SCY Championships | |
| 1014 | Kevin Ward | 38.18 | 10 | BB Min | A: 37.59 (+0.59s | 1.5%) | YMCA of Concord Swim Team | 02/07/2026 | 2026 NE RAYS Love A Last Chance Specialty | |
| 1015 | Rene Lopez | 38.18 | 10 | BB Min | A: 37.59 (+0.59s | 1.5%) | Aquax Centro Deportivo | 11/14/2025 | 2025 BD Turkey Splash | |
| 1016 | Grayson Sawicki | 38.18 | 9 | BB Min | A: 37.59 (+0.59s | 1.5%) | Commonwealth Swimming | 06/26/2026 | 2026 NE CS Summer Classic | |
| 1017 | Derek Folk | 38.19 | 9 | BB Min | A: 37.59 (+0.60s | 1.6%) | Excel Aquatics | 02/27/2026 | 2026 SE Southeastern Winter SC Championships | |
| 1018 | Manning Reardon | 38.20 | 10 | BB Min | A: 37.59 (+0.61s | 1.6%) | City of Mobile Swim Associatio | 02/13/2026 | 2026 SES Region 4 Championships | |
| 1019 | Amar Alwattar | 38.21 | 10 | BB Min | A: 37.59 (+0.62s | 1.6%) | Montclair Swim Team | 01/31/2026 | Zone 2 Winter Championship Meet | |
| 1020 | Maddox Winegar | 38.21 | 9 | BB Min | A: 37.59 (+0.62s | 1.6%) | Bloomington Normal Swim Club | 03/26/2026 | Destination Athlete Centennial Invite 2026 | |
| 1021 | Graeme Killelea | 38.21 | 10 | BB Min | A: 37.59 (+0.62s | 1.6%) | Tac Titans | 03/25/2026 | 2026 TAC TITANS Tarheel States Meet | |
| 1022 | Rumi Rathmann-Noonan | 38.22 | 9 | BB Min | A: 37.59 (+0.63s | 1.6%) | Manhattan Makos | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 1023 | Luke Chaikriangkrai | 38.22 | 9 | BB Min | A: 37.59 (+0.63s | 1.6%) | Pro Swimming | 02/27/2026 | 2026 PN February AGI, Division 2 Approved | |
| 1024 | Ethan Piorkowski | 38.22 | 10 | BB Min | A: 37.59 (+0.63s | 1.6%) | Bolles School Sharks | 03/05/2026 | 2026 Florida Swimming FLAGS NORTH | |
| 1025 | Jonas Brown | 38.22 | 10 | BB Min | A: 37.59 (+0.63s | 1.6%) | Karishim Swim Club | 01/30/2026 | 2026 NE GS Silver Championships | |
| 1026 | Luke Wellen | 38.23 | 10 | BB Min | A: 37.59 (+0.64s | 1.7%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 1027 | Ethan Dorsett | 38.23 | 9 | BB Min | A: 37.59 (+0.64s | 1.7%) | Scioto Country Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1028 | Aiden Chavarria | 38.24 | 8 | BB Min | A: 37.59 (+0.65s | 1.7%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 1029 | Preston Kerchusky | 38.24 | 10 | BB Min | A: 37.59 (+0.65s | 1.7%) | Boise YMCA Swim Team | 11/22/2025 | 57th Annual Thanksgiving Invitational | |
| 1030 | Benjamin Derry | 38.24 | 10 | BB Min | A: 37.59 (+0.65s | 1.7%) | Dexter Community Aquatic Club | 03/07/2026 | 2026 Lake Ontario Regional Meet | |
| 1031 | Rowan Hansen | 38.24 | 9 | BB Min | A: 37.59 (+0.65s | 1.7%) | Plymouth Canton Cruisers | 02/27/2026 | 2026 Junior Cup | |
| 1032 | Asher Snead | 38.24 | 9 | BB Min | A: 37.59 (+0.65s | 1.7%) | Poseidon Swimming Inc | 03/21/2026 | NOVA Short Course Send Off 2026 | |
| 1033 | Quentin Lin | 38.24 | 9 | BB Min | A: 37.59 (+0.65s | 1.7%) | Eastern Nassau Aquatic Club | 11/28/2025 | 2025 MR LIE Thanksgiving Invitational | |
| 1034 | Archer Tornow | 38.25 | 10 | BB Min | A: 37.59 (+0.66s | 1.7%) | Upper Arlington Swim Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1035 | Carter Gray | 38.25 | 10 | BB Min | A: 37.59 (+0.66s | 1.7%) | Cleveland Aquatics | 02/27/2026 | 2026 SE Southeastern Winter SC Championships | |
| 1036 | Devin Song | 38.25 | 9 | BB Min | A: 37.59 (+0.66s | 1.7%) | Rose Bowl Aquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 1037 | Christopher Magness | 38.25 | 10 | BB Min | A: 37.59 (+0.66s | 1.7%) | Nation\\\\\\'s Capital Swim Club | 01/10/2026 | 2026 MAKO POLAR PLUNGE | |
| 1038 | Declan Nangoy | 38.25 | 10 | BB Min | A: 37.59 (+0.66s | 1.7%) | Utica Shelby Swim Club | 02/06/2026 | 2026 Michigan Open | |
| 1039 | Cana Oyer | 38.25 | 10 | BB Min | A: 37.59 (+0.66s | 1.7%) | Sporting Jax Aquatic Club | 01/17/2026 | 2026 GOAT TYR Team Challenge And SYOA | |
| 1040 | Ethan Hood | 38.27 | 10 | BB Min | A: 37.59 (+0.68s | 1.8%) | SwimMAC Carolina | 02/14/2026 | 2026 SwimMAC Qualifier Festival | |
| 1041 | Lynn Wilson | 38.27 | 8 | BB Min | A: 37.59 (+0.68s | 1.8%) | Rockville Montgomery Swim Club | 12/11/2025 | 2025 Riley Eaton Holiday Invitational | |
| 1042 | Bennett Bianchi | 38.28 | 9 | BB Min | A: 37.59 (+0.69s | 1.8%) | Commonwealth Swimming | 06/26/2026 | 2026 NE CS Summer Classic | |
| 1043 | Reed Bohac | 38.28 | 9 | BB Min | A: 37.59 (+0.69s | 1.8%) | Houston Hydra | 02/21/2025 | 2025 Gulf 12 Under Champs (TASC) | |
| 1044 | Phillip Prado | 38.29 | 9 | BB Min | A: 37.59 (+0.70s | 1.8%) | Long Island Aquatic Club | 11/07/2025 | 2025 Mid Atlantic AG Championship Showdown | |
| 1045 | Blake Porteus | 38.29 | 10 | BB Min | A: 37.59 (+0.70s | 1.8%) | Westerville Aquatic Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1046 | Dylan Chen | 38.29 | 7 | BB Min | A: 37.59 (+0.70s | 1.8%) | Harbor Seals | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 1047 | Vincent DeRossi | 38.30 | 10 | BB Min | A: 37.59 (+0.71s | 1.9%) | Long Island Aquatic Club | 02/20/2026 | 2026 MR Silvers Championship South HAUP | |
| 1048 | Roger Hanis | 38.30 | 9 | BB Min | A: 37.59 (+0.71s | 1.9%) | Badger Swim Club,Inc. | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 1049 | Declan Donnelly | 38.31 | 9 | BB Min | A: 37.59 (+0.72s | 1.9%) | Three Village Swim Club | 03/27/2026 | 2026 MR Bronze Championship South LIE | |
| 1050 | Henry Wang | 38.31 | 9 | BB Min | A: 37.59 (+0.72s | 1.9%) | Arctic Aquatics | 05/01/2026 | 2026 NE ARCT Spring Specialty Meet | |
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.