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 | Anrui Yue | 40.54 | 9 | BB Min | A: 37.59 (+2.95s | 7.3%) | Gator Swim Club | 02/28/2026 | 2026 Area 4 Spring Champs | |
| 1902 | Blaze Garcia | 40.54 | 10 | BB Min | A: 37.59 (+2.95s | 7.3%) | Pueblo County Swim Team | 06/19/2026 | 2026 Max Shirley Radiff Memorial | |
| 1903 | Jack Yost | 40.54 | 10 | BB Min | A: 37.59 (+2.95s | 7.3%) | Machine Aquatics | 11/06/2025 | 2025 TAC TITANS Big Southern Classic | |
| 1904 | Kensington Hull | 40.55 | 10 | BB Min | A: 37.59 (+2.96s | 7.3%) | Heartland Swim Assoc | 01/17/2026 | 2026 SBA All Ages A BB Meet | |
| 1905 | Connor O'Connell | 40.55 | 10 | BB Min | A: 37.59 (+2.96s | 7.3%) | Hurricane Penguins Swim Club | 02/28/2026 | 2026 Last Chance Meet | |
| 1906 | Colin Verb | 40.55 | 10 | BB Min | A: 37.59 (+2.96s | 7.3%) | Pointe Aquatics | 02/27/2026 | 2026 MCSA Junior Cup | |
| 1907 | William Foster | 40.55 | 10 | BB Min | A: 37.59 (+2.96s | 7.3%) | Wave Aquatics | 03/28/2026 | 2026 PN Spring Showdown, Div 4 Approved | |
| 1908 | Benjamin Fobbs | 40.55 | 9 | BB Min | A: 37.59 (+2.96s | 7.3%) | North Baltimore Aquatic Club | 10/17/2025 | 2025 NBAC Fall Fastival Meet | |
| 1909 | Reed Kilper | 40.55 | 10 | BB Min | A: 37.59 (+2.96s | 7.3%) | Fast | 02/27/2026 | Ozark Division I Championship | |
| 1910 | Wesley Creek | 40.56 | 9 | BB Min | A: 37.59 (+2.97s | 7.3%) | Centreville Swim Club | 02/20/2026 | 2026 FXFX Forty Niner | |
| 1911 | Matthew Johnson | 40.56 | 9 | BB Min | A: 37.59 (+2.97s | 7.3%) | Pine Crest Swimming | 03/05/2026 | 2026 FG Age Group SCY Championships | |
| 1912 | Kippy Miller | 40.57 | 9 | BB Min | A: 37.59 (+2.98s | 7.3%) | Granite Falls Makos | 10/18/2025 | 2025 NCAC IMX | |
| 1913 | Luke Xu | 40.57 | 10 | BB Min | A: 37.59 (+2.98s | 7.3%) | California Dolphins Swim Team | 12/12/2025 | Winter SC Age Group Championships | |
| 1914 | Mack Maiser | 40.57 | 10 | BB Min | A: 37.59 (+2.98s | 7.3%) | Edina Swim Club | 12/20/2025 | 2025 MN EDI Gator Holiday Bash | |
| 1915 | Locke Kane | 40.57 | 9 | BB Min | A: 37.59 (+2.98s | 7.3%) | Lahaina Swim Club | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 1916 | Connor Letts | 40.57 | 9 | BB Min | A: 37.59 (+2.98s | 7.3%) | Qns Aquatic Club | 02/28/2026 | 2026 MR QNS I Know I Can Invitational | |
| 1917 | Emmett Tourney | 40.57 | 10 | BB Min | A: 37.59 (+2.98s | 7.3%) | Red Wing Swim Club | 03/27/2026 | 2026 MN RWSC Fall Winter Mini Meet Champs | |
| 1918 | Luke Brunet | 40.58 | 8 | BB Min | A: 37.59 (+2.99s | 7.4%) | Mid Michigan Aquatics Hurrican | 03/07/2026 | 2026 Lake Superior Regional Meet | |
| 1919 | Eli Semberg | 40.58 | 9 | BB Min | A: 37.59 (+2.99s | 7.4%) | Mariemont Ohio Swim Team | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1920 | Isak Breckon | 40.58 | 10 | BB Min | A: 37.59 (+2.99s | 7.4%) | South Davis Aquatics Team | 11/21/2025 | 2025 MAC Thanksgiving Invitational | |
| 1921 | Jude Matu | 40.58 | 10 | BB Min | A: 37.59 (+2.99s | 7.4%) | Eagle Swim Team Inc. | 11/14/2025 | 2025 NBAC Thanksgiving Meet | |
| 1922 | Mahkoah Tanap | 40.58 | 10 | BB Min | A: 37.59 (+2.99s | 7.4%) | Quantum Waves Aquatics | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 1923 | Wesley Baird | 40.58 | 9 | BB Min | A: 37.59 (+2.99s | 7.4%) | Empire Swimming | 11/08/2025 | 2025 MR PAC Maria Parmanan Invitational | |
| 1924 | Simon Hankin | 40.58 | 10 | BB Min | A: 37.59 (+2.99s | 7.4%) | Gulliver Preparatory School | 09/20/2025 | 20th Annual September Splash | |
| 1925 | Darryl Davis | 40.58 | 9 | BB Min | A: 37.59 (+2.99s | 7.4%) | Pueblo County Swim Team | 06/19/2026 | 2026 Max Shirley Radiff Memorial | |
| 1926 | Lincoln Kelly | 40.59 | 10 | BB Min | A: 37.59 (+3.00s | 7.4%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 1927 | Jesse Berman | 40.59 | 10 | BB Min | A: 37.59 (+3.00s | 7.4%) | Nation\\\\\\'s Capital Swim Club | 01/17/2026 | PVS January Open 2026 Fairland | |
| 1928 | Logan Zhang | 40.59 | 9 | BB Min | A: 37.59 (+3.00s | 7.4%) | Club Wolverine | 03/07/2026 | 2026 Lake Ontario Regional Meet | |
| 1929 | Vihaan Ayithabathula | 40.59 | 10 | BB Min | A: 37.59 (+3.00s | 7.4%) | Tac Titans | 03/25/2026 | 2026 TAC TITANS Tarheel States Meet | |
| 1930 | Charlie Vazac | 40.60 | 10 | BB Min | A: 37.59 (+3.01s | 7.4%) | St Croix Swim Club | 02/27/2026 | 2026 MN MAN Minnesota Regional Championship | |
| 1931 | Yeim Jung | 40.60 | 10 | BB Min | A: 37.59 (+3.01s | 7.4%) | Wave Aquatics | 06/19/2026 | 2026 PN SRST Summer Invitational Approved | |
| 1932 | Tanner Sheeran | 40.60 | 8 | BB Min | A: 37.59 (+3.01s | 7.4%) | Cavalier Aquatics/Piedmont Fam | 02/07/2026 | SW District 8 Under Championship | |
| 1933 | Tyler Salvatore | 40.60 | 9 | BB Min | A: 37.59 (+3.01s | 7.4%) | Jersey Wahoos | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 1934 | Thatcher Amburgey | 40.60 | 10 | BB Min | A: 37.59 (+3.01s | 7.4%) | Sylvania Tsunami Swim Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1935 | Christopher Roeder | 40.60 | 10 | BB Min | A: 37.59 (+3.01s | 7.4%) | Aspen Swim Club | 05/03/2026 | 2026 CO Montrose Mini Sprint Meet | |
| 1936 | Ashton Cofield | 40.61 | 7 | BB Min | A: 37.59 (+3.02s | 7.4%) | Rockville Montgomery Swim Club | 02/14/2026 | 2026 RMSC Gender Blender Mini Meet | |
| 1937 | Caleb Reyes | 40.61 | 10 | BB Min | A: 37.59 (+3.02s | 7.4%) | Winning Waters Aquatics Club | 04/18/2026 | 2026 ST SCY Surge Earth Day | |
| 1938 | Conrad Postle | 40.61 | 10 | BB Min | A: 37.59 (+3.02s | 7.4%) | West Florida Lightning Aquatic | 02/13/2026 | 19th Annual TBAY Gasparilla Races 2026 | |
| 1939 | Rafiq Williams | 40.61 | 10 | BB Min | A: 37.59 (+3.02s | 7.4%) | Nation\\\\\\'s Capital Swim Club | 02/13/2026 | 2026 NCAP Winter Qualifier | |
| 1940 | Evan Fairhurst | 40.61 | 10 | BB Min | A: 37.59 (+3.02s | 7.4%) | Mecklenburg Swim Association | 03/07/2026 | 2026 MSA March Madness Invitational | |
| 1941 | Quentin Zhou | 40.61 | 10 | BB Min | A: 37.59 (+3.02s | 7.4%) | SwimMAC Carolina | 01/02/2026 | 2026 SwimMAC IMX Winter Invite Copied | |
| 1942 | Kaleb Luu | 40.61 | 9 | BB Min | A: 37.59 (+3.02s | 7.4%) | Pleasanton Seahawks | 03/28/2026 | PC CDST SC C B BB+ Meet | |
| 1943 | Wesley Lang | 40.62 | 9 | BB Min | A: 37.59 (+3.03s | 7.5%) | River Road Swim Team | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 1944 | Zhizhe Zheng | 40.62 | 10 | BB Min | A: 37.59 (+3.03s | 7.5%) | Crimson Aquatics | 10/17/2025 | 2025 NE CRIM OCTOBER TEAM SPECIALTY W DIST | |
| 1945 | Nakai LaMere | 40.63 | 10 | BB Min | A: 37.59 (+3.04s | 7.5%) | Quicksilver Swimming | 12/05/2025 | Zone 1S Year End Age Group Champs Minus Meet | |
| 1946 | Daniel Heilman | 40.63 | 10 | BB Min | A: 37.59 (+3.04s | 7.5%) | San Francisco Seals Swim Team | 02/28/2026 | VJO Rep The Bay C B A+ 2026 Copied | |
| 1947 | Will Knueven | 40.63 | 9 | BB Min | A: 37.59 (+3.04s | 7.5%) | Mariemont Ohio Swim Team | 02/19/2026 | 2026 OH RAYS SC Regional Championships | |
| 1948 | Jack Wallace | 40.64 | 9 | BB Min | A: 37.59 (+3.05s | 7.5%) | Streamline Aquatic Club | 04/11/2026 | 2026 Sprint Medal Meet | |
| 1949 | Luke Ready | 40.64 | 10 | BB Min | A: 37.59 (+3.05s | 7.5%) | Kennebec Valley YMCA | 06/15/2024 | 2024 ME BYB Summer Sizzler | |
| 1950 | Declan Becker | 40.64 | 8 | BB Min | A: 37.59 (+3.05s | 7.5%) | Woodbridge Swim Team | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
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.