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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1901 | Logan Hickman | 39.79 | 9 | BB Min | A: 37.59 (+2.20s | 5.5%) | Machine Aquatics | 02/20/2026 | 2026 Machine Qualifier | |
| 1902 | Robert Drennan | 39.79 | 10 | BB Min | A: 37.59 (+2.20s | 5.5%) | Crawfish Aquatics | 01/16/2026 | 2026 SE Ralph Crocker Classic | |
| 1903 | Chenrui Cui | 39.79 | 8 | BB Min | A: 37.59 (+2.20s | 5.5%) | Stingray Swim Team | 11/15/2025 | 2025 PN IST November Invitational | |
| 1904 | Andres Sierra | 39.79 | 10 | BB Min | A: 37.59 (+2.20s | 5.5%) | San Juan Carib� | 11/22/2024 | 2024 RAFC Almost Turkey Invitational | |
| 1905 | Mario Aoki | 39.79 | 9 | BB Min | A: 37.59 (+2.20s | 5.5%) | Falfins Swimming | 01/10/2026 | 2026 CO Falfins SC Series #3 | |
| 1906 | Blake Davis | 39.79 | 8 | BB Min | A: 37.59 (+2.20s | 5.5%) | Bolles School Sharks | 02/20/2026 | 2026 Area 1 Spring Championships | |
| 1907 | Ryu Ishibashi | 39.79 | 10 | BB Min | A: 37.59 (+2.20s | 5.5%) | Novi Sturgeons | 12/12/2025 | OLY Swimming Holiday Bowl | |
| 1908 | Ty Alberts | 39.79 | 10 | BB Min | A: 37.59 (+2.20s | 5.5%) | Calvin Swim Club | 11/23/2025 | 2025 NKAT Fall Frenzy Day After Meet | |
| 1909 | Conall Barrett | 39.79 | 9 | BB Min | A: 37.59 (+2.20s | 5.5%) | Upper Valley Aquatic Club | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 1910 | Joseph Pelleriti | 39.80 | 9 | BB Min | A: 37.59 (+2.21s | 5.6%) | Pacific Coast Marlins | 12/06/2025 | Neptune Swimming Swim Like The Dickens | |
| 1911 | Cole Morsch | 39.80 | 10 | BB Min | A: 37.59 (+2.21s | 5.6%) | Tuna Swim Club | 01/10/2026 | 2026 MN MONC New Years Invite | |
| 1912 | Luka Radchenko Avondo | 39.80 | 9 | BB Min | A: 37.59 (+2.21s | 5.6%) | Nitro Swimming | 12/12/2025 | 2025 ST AAAA NS Winter Wonderland | |
| 1913 | Alejandro Gonzalez | 39.80 | 9 | BB Min | A: 37.59 (+2.21s | 5.6%) | Los Angeles Swim Club | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 1914 | Nathan Purifoy | 39.80 | 10 | BB Min | A: 37.59 (+2.21s | 5.6%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 1915 | Elliott Baranack | 39.80 | 10 | BB Min | A: 37.59 (+2.21s | 5.6%) | Firestone Akron Swim Team | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1916 | John Umiker | 39.81 | 10 | BB Min | A: 37.59 (+2.22s | 5.6%) | Pierre Swim Team | 01/30/2026 | 2026 SD Capital City Qualifier | |
| 1917 | Knox Brown | 39.81 | 9 | BB Min | A: 37.59 (+2.22s | 5.6%) | YMCA Fairfax County Reston | 11/01/2025 | 2025 Fox Fall Invitational 2 | |
| 1918 | Stephan Karpau | 39.81 | 8 | BB Min | A: 37.59 (+2.22s | 5.6%) | Andover-North Andover YMCA Hur | 01/30/2026 | 2026 NE GS Silver Championships | |
| 1919 | Phearce Davis-Thompson | 39.81 | 10 | BB Min | A: 37.59 (+2.22s | 5.6%) | Lone Star Aquatic Club | 11/16/2025 | 2025 ST TXLA 10 U November Unclassified | |
| 1920 | Bradley Dillon | 39.81 | 10 | BB Min | A: 37.59 (+2.22s | 5.6%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 1921 | Emmett Curry | 39.81 | 10 | BB Min | A: 37.59 (+2.22s | 5.6%) | Seattle Metropolitan Aquatic C | 11/22/2025 | 2025 PN Nov AGI, Division 2 (SMAC) | |
| 1922 | Nicholas Khozashvili | 39.82 | 9 | BB Min | A: 37.59 (+2.23s | 5.6%) | Lifetime | 11/01/2025 | 2025 NE NSSC Nov Beede Specialty Copied | |
| 1923 | Nial Gonzalez | 39.82 | 10 | BB Min | A: 37.59 (+2.23s | 5.6%) | SwimFast | 01/24/2026 | 2026 Azura SwimFast Winter Intrasquad | |
| 1924 | Vedarth Jain | 39.82 | 10 | BB Min | A: 37.59 (+2.23s | 5.6%) | Herndon Aquatic Club | 03/21/2026 | 2026 MAKO SPRING FLING | |
| 1925 | Smith Mitchell | 39.82 | 8 | BB Min | A: 37.59 (+2.23s | 5.6%) | New Wave Swim Team | 03/14/2026 | 2026 MOR Reagan Martin Rocks Swim Meet | |
| 1926 | Stepan Gribanov | 39.82 | 9 | BB Min | A: 37.59 (+2.23s | 5.6%) | Staten Island Aquatics Club | 11/08/2025 | 2025 MR PAC Maria Parmanan Invitational | |
| 1927 | Connor Perry | 39.82 | 10 | BB Min | A: 37.59 (+2.23s | 5.6%) | Atlantis Swimming | 02/27/2026 | 2026 MCSA Junior Cup | |
| 1928 | Luca Edwards | 39.82 | 9 | BB Min | A: 37.59 (+2.23s | 5.6%) | Life Time Mid Atlantic Swim Te | 01/17/2026 | 2026 PV January Open Audrey Moore | |
| 1929 | Liam Pennisi | 39.83 | 10 | BB Min | A: 37.59 (+2.24s | 5.6%) | Aquazot Swim Club | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 1930 | Alfred Jaeger | 39.83 | 10 | BB Min | A: 37.59 (+2.24s | 5.6%) | Quest Swimming | 10/11/2025 | 2025 WAC Start Up Classic | |
| 1931 | George Laconte | 39.83 | 9 | BB Min | A: 37.59 (+2.24s | 5.6%) | Asphalt Green Unified Aquatics | 03/07/2026 | 2026 MR AGUA Last Chance Invitational | |
| 1932 | Caleb Durr | 39.83 | 10 | BB Min | A: 37.59 (+2.24s | 5.6%) | Nation\\\\\\'s Capital Swim Club | 03/21/2026 | 2026 MAKO SPRING FLING | |
| 1933 | Ragnar Custer | 39.84 | 8 | BB Min | A: 37.59 (+2.25s | 5.6%) | Royal Swimming | 11/08/2025 | Atlantis 2025 Fall Quack Tack Ular | |
| 1934 | Bryce Alpert | 39.84 | 9 | BB Min | A: 37.59 (+2.25s | 5.6%) | Aquazot Swim Club | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 1935 | Jacob Meade | 39.84 | 10 | BB Min | A: 37.59 (+2.25s | 5.6%) | Great Lakes Tritons | 12/06/2025 | 2025 26 Super Fast And Furious Prelim Final | |
| 1936 | Ryan Kummer | 39.84 | 10 | BB Min | A: 37.59 (+2.25s | 5.6%) | Aquatic Team Of Mecklenburg | 01/10/2026 | ATOM Frosty Invitational 2026 | |
| 1937 | Luke Skillman | 39.84 | 10 | BB Min | A: 37.59 (+2.25s | 5.6%) | Nova of Virginia | 03/21/2026 | NOVA Short Course Send Off 2026 | |
| 1938 | Owen Weber | 39.85 | 10 | BB Min | A: 37.59 (+2.26s | 5.7%) | CAC Stingrays Swim Team | 03/06/2026 | 2026 CO 14 U Silver State | |
| 1939 | Stuart Shillington | 39.85 | 10 | BB Min | A: 37.59 (+2.26s | 5.7%) | Team Eugene Aquatics | 03/14/2026 | 2026 TEAM Shootout | |
| 1940 | Hunter Atkins | 39.86 | 10 | BB Min | A: 37.59 (+2.27s | 5.7%) | Palo Alto Stanford Aquatics | 01/24/2026 | 2026 Zone 1 North Championships | |
| 1941 | Alec Stanimirov | 39.86 | 8 | BB Min | A: 37.59 (+2.27s | 5.7%) | Azura Florida Aquatics | 02/20/2026 | 2026 FG SCY BB Championships SOUTH | |
| 1942 | James Wright | 39.86 | 10 | BB Min | A: 37.59 (+2.27s | 5.7%) | Club Talon | 02/27/2026 | 2026 SE Southeastern Winter SC Championships | |
| 1943 | Enrique Acosta | 39.86 | 10 | BB Min | A: 37.59 (+2.27s | 5.7%) | EL Paso Border Land Swim Team | 01/23/2026 | 2026 BD JCAT IMX 2026 | |
| 1944 | Theodore Walters | 39.87 | 10 | BB Min | A: 37.59 (+2.28s | 5.7%) | Madison Area YMCA Mariners | 01/09/2026 | MR 2026 12 UNDER TEAM WINTER CARNIVAL | |
| 1945 | Beckett Candela | 39.87 | 10 | BB Min | A: 37.59 (+2.28s | 5.7%) | Machine Aquatics | 03/20/2026 | March Madness 2026 | |
| 1946 | Ford Halvorson | 39.87 | 10 | BB Min | A: 37.59 (+2.28s | 5.7%) | Foxjets Swim Team | 02/13/2026 | 2026 MN RSC President S Day Meet | |
| 1947 | Henry Meyer | 39.88 | 9 | BB Min | A: 37.59 (+2.29s | 5.7%) | Fremont Area Swim Team | 03/14/2026 | 2026 MW App Nebraska YMCA Champs | |
| 1948 | Youssef Youssef | 39.88 | 10 | BB Min | A: 37.59 (+2.29s | 5.7%) | First Colony Swim Team, Inc. | 02/21/2025 | 2025 Gulf 12 Under Champs (PACK) | |
| 1949 | Ryan Chen | 39.88 | 9 | BB Min | A: 37.59 (+2.29s | 5.7%) | Northern Lights Swimming Assoc | 01/17/2026 | 2026 Optimist High Point Meet | |
| 1950 | David Rivera | 39.88 | 10 | BB Min | A: 37.59 (+2.29s | 5.7%) | Almaden Riptide | 02/07/2026 | 2026 PSL Super Finals Invitational | |
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.