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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1801 | Kellen Tao | 47.63 | 9 | BB Min | A: 42.09 (+5.54s | 11.6%) | Olympic Cascade Aquatics | 10/03/2026 | 2026 PN OCA John Walker Invitational Approve | |
| 1802 | Arthur Cahoy | 47.64 | 9 | BB Min | A: 42.09 (+5.55s | 11.6%) | Alto Swim Club | 01/24/2026 | 2026 Zone 1 North Championships | |
| 1803 | Ryan Sanders | 47.64 | 9 | BB Min | A: 42.09 (+5.55s | 11.6%) | Rockville Montgomery Swim Club | 10/17/2025 | 2025 RMSC October Kick Off Classic | |
| 1804 | Benjamin Gallice | 47.64 | 9 | BB Min | A: 42.09 (+5.55s | 11.6%) | Long Reach Swim Club | 02/27/2026 | 2026 NE Maine State Y Championships | |
| 1805 | Philip Carter | 47.64 | 9 | BB Min | A: 42.09 (+5.55s | 11.6%) | YMCA of South Florida | 10/02/2026 | Early October Central Park Series | |
| 1806 | Brij Fitzgerald | 47.65 | 9 | BB Min | A: 42.09 (+5.56s | 11.7%) | Tollefson Swimming | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 1807 | William Lord | 47.65 | 9 | BB Min | A: 42.09 (+5.56s | 11.7%) | Fairfax Foxes Swimming | 02/20/2026 | 2026 FXFX Forty Niner | |
| 1808 | Ziyi Yang | 47.65 | 9 | BB Min | A: 42.09 (+5.56s | 11.7%) | Shawmut Aquatic Club | 01/30/2026 | 2026 NE CS Silver Championships | |
| 1809 | DongHyuk Kang | 47.65 | 9 | BB Min | A: 42.09 (+5.56s | 11.7%) | SwimMAC Carolina | 02/14/2026 | 2026 SwimMAC Qualifier Festival | |
| 1810 | Bryce Alpert | 47.65 | 9 | BB Min | A: 42.09 (+5.56s | 11.7%) | Aquazot Swim Club | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 1811 | Stuart Franks | 47.65 | 9 | BB Min | A: 42.09 (+5.56s | 11.7%) | Marlins Of Raleigh | 01/16/2026 | 2026 RSA Winter Tri | |
| 1812 | Kou Takahashi | 47.65 | 8 | BB Min | A: 42.09 (+5.56s | 11.7%) | West Express Swim Team | 04/26/2026 | 2026 MN EDI April Sunday At The Races | |
| 1813 | Gabriel Dom | 47.65 | 10 | BB Min | A: 42.09 (+5.56s | 11.7%) | Bellevue Club Swim Team | 10/03/2026 | 2026 PN CSC Fall Classic Invitational Approve | |
| 1814 | Austin Headley | 47.65 | 10 | BB Min | A: 42.09 (+5.56s | 11.7%) | Sioux Falls Swim Team | 10/24/2026 | 2026 SD SFST Swim Series Meet #2 | |
| 1815 | Maxwell Chen | 47.66 | 9 | BB Min | A: 42.09 (+5.57s | 11.7%) | Suburban Aquatics | 02/01/2026 | 2026 Little Blue Penguin Pentathlon | |
| 1816 | Michael Hefner | 47.66 | 9 | BB Min | A: 42.09 (+5.57s | 11.7%) | Aspen Swim Club | 10/10/2026 | 2026 CO Aspen Swim Meet | |
| 1817 | Gavin Grindem | 47.67 | 9 | BB Min | A: 42.09 (+5.58s | 11.7%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 03/07/2026 | 2026 Lake Huron Regional Meet | |
| 1818 | Jayden Yan | 47.67 | 9 | BB Min | A: 42.09 (+5.58s | 11.7%) | Issaquah Swim Team | 10/17/2026 | 2026 PN IST Fall Open Approved | |
| 1819 | Robert Glazyrin | 47.67 | 9 | BB Min | A: 42.09 (+5.58s | 11.7%) | SwimRight Team | 10/10/2026 | NMST BMHG October Invite 26 | |
| 1820 | Lee Pfeifer | 47.67 | 10 | BB Min | A: 42.09 (+5.58s | 11.7%) | Life Time Swim Missouri | 10/09/2026 | Fall Festival Invitational | |
| 1821 | Clark Yang | 47.68 | 10 | BB Min | A: 42.09 (+5.59s | 11.7%) | Dads Club Swim Team | 01/18/2025 | 2025 LSST January Frosty Meet | |
| 1822 | Landen Kinard | 47.69 | 8 | BB Min | A: 42.09 (+5.60s | 11.7%) | Columbia Aquatics Association | 03/21/2026 | 2026 Maryland 8 Under Championship Meet | |
| 1823 | Christian Schafer | 47.69 | 10 | BB Min | A: 42.09 (+5.60s | 11.7%) | Lone Star Aquatic Club | 06/16/2026 | 2026 ST AQTX TNR 6162026 | |
| 1824 | Owen Kramer | 47.70 | 10 | B Min | BB: 47.69 (+0.01s | 0.0%) | New Wave Swim Team | 12/13/2025 | 2025 Ugly Sweater Meet | |
| 1825 | Max Liu | 47.70 | 10 | B Min | BB: 47.69 (+0.01s | 0.0%) | Metro Area Life Time | 10/17/2026 | 2026 EEX RU Scared Yet | |
| 1826 | Maxwell Schleusner | 47.70 | 10 | B Min | BB: 47.69 (+0.01s | 0.0%) | Watertown Area Swim Club | 02/20/2026 | 2026 SD 12 Under Short Course State A Champ | |
| 1827 | Bryan Xia | 47.71 | 7 | B Min | BB: 47.69 (+0.02s | 0.0%) | Rockville Montgomery Swim Club | 02/14/2026 | 2026 RMSC Gender Blender Mini Meet | |
| 1828 | William Ehrstein | 47.71 | 9 | B Min | BB: 47.69 (+0.02s | 0.0%) | Rockville Montgomery Swim Club | 11/14/2025 | 2025 RMSC November Dual Meet | |
| 1829 | Keayan Liang | 47.73 | 9 | B Min | BB: 47.69 (+0.04s | 0.1%) | Quince Orchard Swim Academy | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 1830 | Kane Sperber | 47.73 | 9 | B Min | BB: 47.69 (+0.04s | 0.1%) | Pacific Swim | 12/05/2025 | 2025 SI JBST Wag Max Meet | |
| 1831 | Oliver Haney | 47.73 | 10 | B Min | BB: 47.69 (+0.04s | 0.1%) | Northern KY Clippers | 10/23/2026 | 2026 CLPR Halloween Meet | |
| 1832 | Jacob Garcia | 47.74 | 10 | B Min | BB: 47.69 (+0.05s | 0.1%) | Tri City Aquatics | 10/12/2024 | 2024 ST SC BAS Swim Meet October | |
| 1833 | Derek Folk | 47.74 | 10 | B Min | BB: 47.69 (+0.05s | 0.1%) | Excel Aquatics | 12/05/2025 | 2025 Beaman Toyota Meet Of Champs | |
| 1834 | Stuart Franks | 47.74 | 9 | B Min | BB: 47.69 (+0.05s | 0.1%) | Marlins Of Raleigh | 03/25/2026 | 2026 TAC TITANS Tarheel States Meet | |
| 1835 | Max Frelek | 47.74 | 10 | B Min | BB: 47.69 (+0.05s | 0.1%) | Mason Manta Rays | 10/23/2026 | 2026 CLPR Halloween Meet | |
| 1836 | Graeme O'Connor | 47.74 | 9 | B Min | BB: 47.69 (+0.05s | 0.1%) | Northern KY Clippers | 10/23/2026 | 2026 CLPR Halloween Meet | |
| 1837 | John Umiker | 47.74 | 10 | B Min | BB: 47.69 (+0.05s | 0.1%) | Pierre Swim Team | 01/30/2026 | 2026 SD Capital City Qualifier | |
| 1838 | David Mastin | 47.75 | 9 | B Min | BB: 47.69 (+0.06s | 0.1%) | Razor Aquatics | 01/16/2026 | SLA Arctic Blast 2026 | |
| 1839 | James Lehn | 47.75 | 10 | B Min | BB: 47.69 (+0.06s | 0.1%) | Hastings Y Aquatic Club | 01/24/2026 | 2026 MW LSS Winterfest | |
| 1840 | Thomas Prochazka | 47.75 | 10 | B Min | BB: 47.69 (+0.06s | 0.1%) | East Coast Aquatic Team | 03/28/2026 | ECAT March 2026 Invitational Copied | |
| 1841 | Eason Chen | 47.75 | 8 | B Min | BB: 47.69 (+0.06s | 0.1%) | Olympic Cascade Aquatics | 10/16/2026 | 2026 PN VAST Fall Classic Invite Approved | |
| 1842 | Elliot Wong | 47.75 | 10 | B Min | BB: 47.69 (+0.06s | 0.1%) | Sacramento Aquatics Club | 09/13/2026 | Hot Dog Meet, Sept 2026 | |
| 1843 | Samuel Diemert | 47.75 | 10 | B Min | BB: 47.69 (+0.06s | 0.1%) | Mission Aurora Colorado Swimmi | 10/16/2026 | 2026 CO MACS Fall Invitational | |
| 1844 | Ryder McDermitt | 47.76 | 9 | B Min | BB: 47.69 (+0.07s | 0.1%) | Flatiron Athletic Club | 09/26/2026 | 2026 CO NJ SC Kick Off Invite | |
| 1845 | James Dyatlovitsky | 47.76 | 8 | B Min | BB: 47.69 (+0.07s | 0.1%) | Excel Aquatics | 10/23/2026 | 2026 Pumpkin Spice Splash | |
| 1846 | Caleb Ingraham | 47.76 | 10 | B Min | BB: 47.69 (+0.07s | 0.1%) | Alamo Area Aquatic Association | 12/12/2025 | 2025 ST AAAA NS Winter Wonderland | |
| 1847 | Christopher Wazecha | 47.77 | 10 | B Min | BB: 47.69 (+0.08s | 0.2%) | Bayside Branch YMCA | 03/21/2026 | 2026 NE YNS YMCA New England Championship | |
| 1848 | Fletcher Sumner | 47.77 | 10 | B Min | BB: 47.69 (+0.08s | 0.2%) | Mission Aurora Colorado Swimmi | 03/13/2026 | Mile High Championship Invitational | |
| 1849 | Eric Wu | 47.78 | 10 | B Min | BB: 47.69 (+0.09s | 0.2%) | Florida Atlantic Aquatics | 01/23/2026 | SPEEDO CUP CLOSED INVITE Copied | |
| 1850 | Miles Ewy | 47.78 | 10 | B Min | BB: 47.69 (+0.09s | 0.2%) | T2 Aquatics | 10/16/2026 | 2026 T2 Spooktacular | |
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.