USA Boys 10 & under - 50 Y Breast
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 | Aiden Lam | 47.95 | 9 | B Min | BB: 47.69 (+0.26s | 0.5%) | Pacific Swim | 10/17/2026 | 2026 SI SBA All Ages NTS Meet | |
| 1902 | Ethan Yang | 47.95 | 9 | B Min | BB: 47.69 (+0.26s | 0.5%) | Alto Swim Club | 03/07/2026 | DACA CBA Meet | |
| 1903 | Ben Carusone | 47.96 | 9 | B Min | BB: 47.69 (+0.27s | 0.6%) | Westlake Aquatic Facility | 10/18/2026 | 2026 ST TXLA 10 U Fall Kick Off Invite | |
| 1904 | Archer Klosterman | 47.98 | 10 | B Min | BB: 47.69 (+0.29s | 0.6%) | Aurora Swim Team | 11/21/2025 | NLSC Sprint Classic | |
| 1905 | Matthew Bassett | 47.98 | 9 | B Min | BB: 47.69 (+0.29s | 0.6%) | Atlantis Swimming | 12/06/2025 | 2025 26 Super Fast And Furious Prelim Final | |
| 1906 | Frank Rodriguez | 47.98 | 10 | B Min | BB: 47.69 (+0.29s | 0.6%) | Memphis Tiger Swimming | 11/21/2025 | 2025 Tiger Turkey Tumble | |
| 1907 | Sebastian Mejia | 47.98 | 10 | B Min | BB: 47.69 (+0.29s | 0.6%) | Enfinity Aquatic Club | 12/19/2025 | EAC Winter Invitational | |
| 1908 | Sebastian Siebert Restrepo | 47.98 | 10 | B Min | BB: 47.69 (+0.29s | 0.6%) | Clearwater Aquatic Team | 10/09/2026 | 2026 GTSA TYR Swim Classic | |
| 1909 | Sam Lin | 47.98 | 10 | B Min | BB: 47.69 (+0.29s | 0.6%) | Tualatin Hills Swim Club | 10/23/2026 | 2026 THSC Fall Invitational | |
| 1910 | Isaac Eyo | 47.99 | 9 | B Min | BB: 47.69 (+0.30s | 0.6%) | Cavalier Aquatics/Piedmont Fam | 01/16/2026 | CA Y Winter Rumble Copied | |
| 1911 | Nova Eisel | 47.99 | 10 | B Min | BB: 47.69 (+0.30s | 0.6%) | Great Wolf Swim Team | 02/27/2026 | 2026 MN RSC Minnesota Regional Championship | |
| 1912 | Maxim Tedtoev | 48.00 | 9 | B Min | BB: 47.69 (+0.31s | 0.6%) | SwimRight Team | 01/31/2026 | 2026 Panther Invitational | |
| 1913 | Adrian Baier | 48.00 | 10 | B Min | BB: 47.69 (+0.31s | 0.6%) | Fairport Area Swim Team | 10/16/2026 | 2026 NI FAST Friday Night At The Races #1 | |
| 1914 | Odin Yu | 48.01 | 7 | B Min | BB: 47.69 (+0.32s | 0.7%) | Xtreme Swim Club | 02/13/2026 | 2026 NE SAC TT 10 Under Champs | |
| 1915 | Easton Coppes | 48.01 | 10 | B Min | BB: 47.69 (+0.32s | 0.7%) | Bowling Green Swim Club | 02/19/2026 | 2026 OH SOS SC Regional Championships | |
| 1916 | William Nolte | 48.02 | 10 | B Min | BB: 47.69 (+0.33s | 0.7%) | Black Hawk Area Swim Team | 01/09/2026 | 2026 MN FOXJ Winter Classic | |
| 1917 | Edison de Silva | 48.02 | 10 | B Min | BB: 47.69 (+0.33s | 0.7%) | Swim Tampa Aquatics | 02/06/2026 | CVST Sweetheart Meet | |
| 1918 | Gram Stone | 48.02 | 10 | B Min | BB: 47.69 (+0.33s | 0.7%) | Wake Aquatics | 10/03/2026 | 2026 SES WAKE CTA Spooky Splash | |
| 1919 | Alexander Bacon | 48.02 | 9 | B Min | BB: 47.69 (+0.33s | 0.7%) | Dart Swimming | 07/25/2026 | 2026 REAL Championships | |
| 1920 | Devan Gupta | 48.02 | 10 | B Min | BB: 47.69 (+0.33s | 0.7%) | Mason Manta Rays | 02/19/2026 | 2026 OH RAYS SC Regional Championships | |
| 1921 | Jusung Park | 48.03 | 9 | B Min | BB: 47.69 (+0.34s | 0.7%) | Life Time Fitness New York Swi | 03/27/2026 | 2026 MR Bronze Championships Central KBM | |
| 1922 | Chase Turlington | 48.03 | 10 | B Min | BB: 47.69 (+0.34s | 0.7%) | Tac Titans | 07/31/2026 | 2026 TAC TITANS Summer Sizzler | |
| 1923 | Liam Cotton | 48.03 | 10 | B Min | BB: 47.69 (+0.34s | 0.7%) | RC Durr Family YMCA | 10/10/2026 | 2026 Tsunami Fall Invitational | |
| 1924 | Daniel Lin | 48.03 | 8 | B Min | BB: 47.69 (+0.34s | 0.7%) | Madison Swimming Association | 10/16/2026 | 2026 HSA Fran Norris Meet | |
| 1925 | Will Huang | 48.04 | 5 | B Min | BB: 47.69 (+0.35s | 0.7%) | Soda Fall | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | |
| 1926 | Caleb Davis | 48.04 | 8 | B Min | BB: 47.69 (+0.35s | 0.7%) | South Florida Aquatic Club | 09/11/2026 | 2026 Michael S Memorial Meet | |
| 1927 | Eli Wu | 48.04 | 10 | B Min | BB: 47.69 (+0.35s | 0.7%) | South San Francisco Aquatics | 10/24/2026 | PSL Pumpkin Spice Splash | |
| 1928 | Lucas Wang | 48.04 | 10 | B Min | BB: 47.69 (+0.35s | 0.7%) | DeAnza Cupertino Aquatics | 10/03/2026 | 2026 De Anza Cupertino Aquatics SC CBA Meet | |
| 1929 | William Li | 48.05 | 9 | B Min | BB: 47.69 (+0.36s | 0.7%) | Long Island Aquatic Club | 10/25/2025 | 2025 MR LIAC Chappy S Invitational | |
| 1930 | Hudson Dunaway | 48.05 | 9 | B Min | BB: 47.69 (+0.36s | 0.7%) | Huntsville Swim Association | 09/20/2025 | 2025 Ricky Hui Intrasquad Meet | |
| 1931 | John Penfold | 48.05 | 9 | B Min | BB: 47.69 (+0.36s | 0.7%) | Brooklyn Stingrays | 03/27/2026 | 2026 MR Bronze Championships Central KBM | |
| 1932 | Maxx Yu | 48.05 | 10 | B Min | BB: 47.69 (+0.36s | 0.7%) | Burlingame Aquatics | 10/03/2026 | PASA CBA+ SCY Meet Oct 2026 | |
| 1933 | Shiv Vohra | 48.07 | 8 | B Min | BB: 47.69 (+0.38s | 0.8%) | Shawmut Aquatic Club | 01/30/2026 | 2026 NE CS Silver Championships | |
| 1934 | Bennett Fraser | 48.07 | 8 | B Min | BB: 47.69 (+0.38s | 0.8%) | Aquawolves Swimming | 03/06/2026 | 2026 CO 14 U Silver State | |
| 1935 | Isaac Song | 48.07 | 9 | B Min | BB: 47.69 (+0.38s | 0.8%) | Coronado Swim -team Elite | 01/31/2026 | 2026 SBA All Ages NTS Meet | |
| 1936 | Nathanael Moore | 48.07 | 10 | B Min | BB: 47.69 (+0.38s | 0.8%) | Merced Skimmers Swim Team | 09/13/2026 | Hot Dog Meet, Sept 2026 | |
| 1937 | Owen Shearman | 48.08 | 9 | B Min | BB: 47.69 (+0.39s | 0.8%) | Madison Area YMCA Mariners | 01/09/2026 | MR 2026 12 UNDER TEAM WINTER CARNIVAL | |
| 1938 | Edward Simon | 48.08 | 10 | B Min | BB: 47.69 (+0.39s | 0.8%) | Magic City Aquatic League | 02/06/2026 | 2026 SES Region 3 Champions | |
| 1939 | Everett Regula | 48.08 | 10 | B Min | BB: 47.69 (+0.39s | 0.8%) | Aulea Swim Club | 09/05/2026 | OSL A+ Sprint Pentathlon Copied | |
| 1940 | Graham Rosenthal | 48.09 | 9 | B Min | BB: 47.69 (+0.40s | 0.8%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 02/27/2026 | 2026 Junior Cup | |
| 1941 | David Milman | 48.09 | 10 | B Min | BB: 47.69 (+0.40s | 0.8%) | Clearwater Aquatic Team | 11/07/2025 | 2025 SYS Turkey Meet | |
| 1942 | Jeremiah Busenitz | 48.09 | 9 | B Min | BB: 47.69 (+0.40s | 0.8%) | Central Coast Swim Club | 08/07/2026 | Big Kahuna 2026 | |
| 1943 | Marcus Kalmi | 48.09 | 10 | B Min | BB: 47.69 (+0.40s | 0.8%) | Riptide Swim Team | 01/09/2026 | 2026 MN FOXJ Winter Classic | |
| 1944 | Colt Rodeheaver | 48.09 | 10 | B Min | BB: 47.69 (+0.40s | 0.8%) | Seattle Metropolitan Aquatic C | 10/16/2026 | 2026 PN VAST Fall Classic Invite Approved | |
| 1945 | Michael Kavanagh | 48.09 | 9 | B Min | BB: 47.69 (+0.40s | 0.8%) | California Capital Aquatics | 09/26/2026 | 2026 CCA Spook Tacular | |
| 1946 | Max Lim | 48.10 | 10 | B Min | BB: 47.69 (+0.41s | 0.9%) | San Ramon Valley Aquatics | 03/07/2026 | SRVA Last Chance Meet B BB+ | |
| 1947 | Marvin Yang | 48.10 | 9 | B Min | BB: 47.69 (+0.41s | 0.9%) | Annapolis Swim Club | 03/13/2026 | 2026 Speedo Maryland Junior Championship Si | |
| 1948 | George Cao | 48.10 | 10 | B Min | BB: 47.69 (+0.41s | 0.9%) | Mason Manta Rays | 10/23/2026 | 2026 CLPR Halloween Meet | |
| 1949 | Leo Lu | 48.10 | 10 | B Min | BB: 47.69 (+0.41s | 0.9%) | Pack Swim Team of Pittsford | 10/24/2026 | 2026 Victor Halloween Classic | |
| 1950 | Hilo Choudhri | 48.10 | 10 | B Min | BB: 47.69 (+0.41s | 0.9%) | Memphis Tiger Swimming | 09/25/2026 | 2026 Tiger Fall 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.