USA Boys 10 & under - 50 M Free
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1951 | Boone Bibee | 40.93 | 9 | B Min | BB: 39.79 (+1.14s | 2.8%) | Cleveland Aquatics | 04/24/2026 | 2026 ARENA Long Course Invitational Meet | |
| 1952 | Liam Chen | 40.94 | 10 | B Min | BB: 39.79 (+1.15s | 2.8%) | Flying Fish Swim Club | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 1953 | Kekalaholuokekaipueo Hanson | 40.94 | 10 | B Min | BB: 39.79 (+1.15s | 2.8%) | Punahou Aquatics Institute | 07/16/2026 | 2026 HISI LCM Championships | |
| 1954 | Elias Smith | 40.95 | 10 | B Min | BB: 39.79 (+1.16s | 2.8%) | Unattached | 06/19/2026 | 2026 MultiCultural Zones | |
| 1955 | Sebastian Feldman | 40.96 | 10 | B Min | BB: 39.79 (+1.17s | 2.9%) | Atlantis Swimming | 05/16/2025 | Busbey Invitational 2025 | |
| 1956 | Beckett Rossi | 40.96 | 9 | B Min | BB: 39.79 (+1.17s | 2.9%) | Bishop Swim Team | 07/10/2026 | 2026 NNA Silver State Championships | |
| 1957 | Zander Berenson | 40.96 | 9 | B Min | BB: 39.79 (+1.17s | 2.9%) | Tac Titans | 07/24/2026 | 2026 TAC TITANS Closeout Meet | |
| 1958 | Benjamin Kearney | 40.96 | 10 | B Min | BB: 39.79 (+1.17s | 2.9%) | Burlingame Aquatics | 06/12/2026 | BAC Long Course | |
| 1959 | Simon Spidle | 40.97 | 9 | B Min | BB: 39.79 (+1.18s | 2.9%) | Georgia Coastal Aquatic Team | 05/23/2025 | EAJ Mayhem 2025 | |
| 1960 | Theodore Stamatelos | 40.97 | 9 | B Min | BB: 39.79 (+1.18s | 2.9%) | Peddie Aquatic Association | 05/02/2026 | 2026 STAC Thank You Mom | |
| 1961 | Russell Wagner | 40.97 | 9 | B Min | BB: 39.79 (+1.18s | 2.9%) | Planet Swim Aquatics | 06/05/2026 | 2026 Sunshine State Games | |
| 1962 | Braydon Li | 40.98 | 10 | B Min | BB: 39.79 (+1.19s | 2.9%) | Buckeye Swim Club | 07/23/2026 | 2026 OH LC Junior Championships | |
| 1963 | James Lehn | 40.99 | 10 | B Min | BB: 39.79 (+1.20s | 2.9%) | Hastings Y Aquatic Club | 02/01/2026 | 2026 MW App HG Scott Usher Pentathlon | |
| 1964 | Holden Hanna | 40.99 | 10 | B Min | BB: 39.79 (+1.20s | 2.9%) | Mission Aurora Colorado Swimmi | 05/15/2026 | 2026 CO ACES Spring Invite | |
| 1965 | Kevin Zhang | 40.99 | 9 | B Min | BB: 39.79 (+1.20s | 2.9%) | Wave Aquatics | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 1966 | Cameron Roberts | 40.99 | 8 | B Min | BB: 39.79 (+1.20s | 2.9%) | Sailfish | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 1967 | Sawyer Mabry | 41.00 | 10 | B Min | BB: 39.79 (+1.21s | 3.0%) | Wild West Aquatic Club | 05/16/2026 | 2026 BD SWAT School S Out Summer Bash | |
| 1968 | Winston Weisser | 41.00 | 8 | B Min | BB: 39.79 (+1.21s | 3.0%) | Nashville Aquatic Club | 04/18/2026 | HSA April LC Meet | |
| 1969 | Karl Dunkel | 41.00 | 10 | B Min | BB: 39.79 (+1.21s | 3.0%) | Crimson Aquatics | 05/08/2026 | 2026 NE CRA MIT Team Specialty LC Meet | |
| 1970 | Henry Jian | 41.00 | 10 | B Min | BB: 39.79 (+1.21s | 3.0%) | Pacific Dragons Swim Team | 06/13/2026 | 2026 PN IST June Invtational Approved | |
| 1971 | Luke Malovany | 41.00 | 10 | B Min | BB: 39.79 (+1.21s | 3.0%) | Fenix Swim Club | 05/22/2026 | 2026 Doral Swim Club LCM Spring Invite | |
| 1972 | Atulit Gaur | 41.01 | 10 | B Min | BB: 39.79 (+1.22s | 3.0%) | United Swim Club | 06/26/2026 | 2026 NE NSSC June 26 28 MIT Invitational | |
| 1973 | Caleb Klinger | 41.01 | 10 | B Min | BB: 39.79 (+1.22s | 3.0%) | Piranhas YMCA of the Suncoast | 04/17/2026 | 2026 SAINT PETE S 1st LONG COURSE MEET | |
| 1974 | Demid Vorobev | 41.02 | 10 | B Min | BB: 39.79 (+1.23s | 3.0%) | California Dolphins Swim Team | 06/13/2026 | PC CDST LC C B BB+ 26 074 | |
| 1975 | Camden Knutson | 41.02 | 10 | B Min | BB: 39.79 (+1.23s | 3.0%) | River Falls Swim Club | 07/17/2026 | 2026 MN STRM Minnesota Regional Championship | |
| 1976 | Noah Hauck | 41.02 | 10 | B Min | BB: 39.79 (+1.23s | 3.0%) | Foxjets Swim Team | 07/17/2026 | 2026 MN MAN Minnesota Regional Championship | |
| 1977 | Samuel Gillis | 41.03 | 8 | B Min | BB: 39.79 (+1.24s | 3.0%) | YMCA of Northwest North Caroli | 06/05/2026 | STAR Andrew E Hartle Invitational | |
| 1978 | Jack Retzlaff | 41.03 | 9 | B Min | BB: 39.79 (+1.24s | 3.0%) | North Baltimore Aquatic Club | 07/24/2026 | 2026 Maryland Long Course Junior Championship | |
| 1979 | Larson Memont | 41.03 | 9 | B Min | BB: 39.79 (+1.24s | 3.0%) | Andover-North Andover YMCA Hur | 07/11/2026 | 2026 NE YNS July Last Chance Meet | |
| 1980 | Manuel Mejias | 41.04 | 9 | B Min | BB: 39.79 (+1.25s | 3.0%) | Com Aquatics | 05/15/2026 | 2026 ST SRG LCM Bud Dallmann Memorial | |
| 1981 | Matthew Dewar | 41.04 | 8 | B Min | BB: 39.79 (+1.25s | 3.0%) | Tornadoes Swim Club | 04/11/2025 | 2025 GCST Spring Invite | |
| 1982 | Sol Sharpe | 41.04 | 8 | B Min | BB: 39.79 (+1.25s | 3.0%) | Tornadoes Swim Club | 04/11/2025 | 2025 GCST Spring Invite | |
| 1983 | Benjamin Li | 41.04 | 9 | B Min | BB: 39.79 (+1.25s | 3.0%) | Eagle Swim Team Inc. | 07/24/2026 | 2026 Maryland Long Course Junior Championship | |
| 1984 | Nathaniel Johnson | 41.04 | 8 | B Min | BB: 39.79 (+1.25s | 3.0%) | Nova of Virginia | 04/17/2026 | NOVA Long Course Kick Off | |
| 1985 | Linus Jo | 41.05 | 10 | B Min | BB: 39.79 (+1.26s | 3.1%) | Swim Torrance | 06/11/2026 | 2026 SCS June AG Invite | |
| 1986 | Oliver Skoubo | 41.05 | 10 | B Min | BB: 39.79 (+1.26s | 3.1%) | River Road Swim Team | 06/13/2026 | 2026 Mike Morris Memorial Invitational Copi | |
| 1987 | Edward Uvejzovic | 41.06 | 10 | B Min | BB: 39.79 (+1.27s | 3.1%) | Olympus Aquatics | 06/27/2025 | 2nd Annual Water Dragon Open | |
| 1988 | Levi Durrett | 41.06 | 9 | B Min | BB: 39.79 (+1.27s | 3.1%) | Old Dominion Aquatic Club | 06/05/2026 | 2026 TIDE Schools Out Classic | |
| 1989 | Baiyi Li | 41.06 | 10 | B Min | BB: 39.79 (+1.27s | 3.1%) | East Carolina Aquatics | 06/05/2026 | STAR Andrew E Hartle Invitational | |
| 1990 | Mor Mihalyi | 41.06 | 9 | B Min | BB: 39.79 (+1.27s | 3.1%) | Bolles School Sharks | 04/10/2026 | 2026 April Classic | |
| 1991 | Shuyi Tan | 41.06 | 9 | B Min | BB: 39.79 (+1.27s | 3.1%) | Issaquah Swim Team | 06/13/2026 | 2026 PN IST June Invtational Approved | |
| 1992 | George Simon | 41.06 | 9 | B Min | BB: 39.79 (+1.27s | 3.1%) | Mariemont Ohio Swim Team | 07/10/2026 | 2026 OH SW LC Regional Champs | |
| 1993 | max Ross | 41.07 | 9 | B Min | BB: 39.79 (+1.28s | 3.1%) | Swim Florida | 04/17/2026 | 2026 GCST Spring Open | |
| 1994 | Eric Hu | 41.07 | 9 | B Min | BB: 39.79 (+1.28s | 3.1%) | Santa Clara Swim Club | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | |
| 1995 | Jacob Zakrzewski | 41.08 | 9 | B Min | BB: 39.79 (+1.29s | 3.1%) | Ridgewood YMCA Breakers Swim T | 06/13/2026 | 2026 MAY Spring Into Summer | |
| 1996 | Kai Johnson | 41.10 | 10 | B Min | BB: 39.79 (+1.31s | 3.2%) | Tide Swimming | 06/26/2026 | 2026 VSI LC SE District Champs | |
| 1997 | Kenneth Green | 41.10 | 10 | B Min | BB: 39.79 (+1.31s | 3.2%) | Pro Swimming | 07/10/2026 | 2026 PN OCA Last Chance Invitational Approve | |
| 1998 | Reavley Hillery | 41.12 | 10 | B Min | BB: 39.79 (+1.33s | 3.2%) | Nova of Virginia | 05/15/2026 | NOVA Spring Splash | |
| 1999 | Elliott Lee Chan Kam | 41.12 | 10 | B Min | BB: 39.79 (+1.33s | 3.2%) | Alto Swim Club | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | |
| 2000 | Alexander Cuellar | 41.13 | 10 | B Min | BB: 39.79 (+1.34s | 3.3%) | EL Paso Border Land Swim Team | 06/28/2024 | 2024 EPAP Jack White Classic | |
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.