Eastern Zone Zone Boys 10 & under - 50 Y Back
These rankings show the swimmers' placement within their Zone.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 | |
|---|---|---|---|---|---|---|---|---|---|
| 2001 | Theo Sergeev | 48.16 | 9 | B Min | BB: 42.89 (+5.27s | 10.9%) | Freedom Aquatics | 03/27/2026 | 2026 MR Bronze Championships Central KBM | |
| 2002 | Jacob Sutphin | 48.16 | 9 | B Min | BB: 42.89 (+5.27s | 10.9%) | Valley Swim Team Phoenix | 12/05/2025 | 2025 VSTP Ice Breaker Invitational | |
| 2003 | James Saunders | 48.16 | 8 | B Min | BB: 42.89 (+5.27s | 10.9%) | Empire Swimming | 03/07/2026 | 2026 MR Metro 8 Under Championships | |
| 2004 | William Regan | 48.17 | 10 | B Min | BB: 42.89 (+5.28s | 11.0%) | Unattached | 04/11/2025 | 2025 Boys Girls Clubs National Swim Champs | |
| 2005 | Nicholas Ballard | 48.18 | 9 | B Min | BB: 42.89 (+5.29s | 11.0%) | Battlefield Area Star Swimmers | 02/13/2026 | 2026 Northern District 12 Under Championship | |
| 2006 | Lucas Workman | 48.20 | 9 | B Min | BB: 42.89 (+5.31s | 11.0%) | Hanover Aquatics | 12/04/2025 | 2025 RAYS Nutcracker Classic Copied | |
| 2007 | Ezra Ukaejiofo | 48.23 | 9 | B Min | BB: 42.89 (+5.34s | 11.1%) | Prince William Swim Club | 02/13/2026 | 2026 Northern District 12 Under Championship | |
| 2008 | Parker Swinehart | 48.23 | 9 | B Min | BB: 42.89 (+5.34s | 11.1%) | Hydra Aquatics | 11/21/2025 | 2025 Fall Festivus | |
| 2009 | Frederick Wong | 48.24 | 9 | B Min | BB: 42.89 (+5.35s | 11.1%) | Long Island Aquatic Club | 03/27/2026 | 2026 MR Bronze Championship South LIE | |
| 2010 | Jack Fowler | 48.26 | 9 | B Min | BB: 42.89 (+5.37s | 11.1%) | Westerly-Pawcatuck Y Dolphins | 01/24/2026 | 2026 NE KCY New Year S Splash | |
| 2011 | Aayansh Sharma | 48.26 | 9 | B Min | BB: 42.89 (+5.37s | 11.1%) | Long Island Aquatic Club | 01/30/2026 | 2026 MR SSC Polar Bear Plunge | |
| 2012 | Walter Banerjee | 48.26 | 9 | B Min | BB: 42.89 (+5.37s | 11.1%) | The Fish | 10/18/2025 | 2025 AAC Fall Gator Mini Meet | |
| 2013 | Alexander Valmont | 48.26 | 8 | B Min | BB: 42.89 (+5.37s | 11.1%) | The Fish | 10/18/2025 | 2025 AAC Fall Gator Mini Meet | |
| 2014 | Grayson Figel | 48.26 | 10 | B Min | BB: 42.89 (+5.37s | 11.1%) | The Capitol Sea Devils | 10/25/2025 | 2025 PV Monster Mash | |
| 2015 | Jason Fingeroth | 48.27 | 10 | B Min | BB: 42.89 (+5.38s | 11.1%) | Ridgewood YMCA Breakers Swim T | 10/10/2025 | 2025 MR COND October Fall Festival | |
| 2016 | Sasha Ivanov | 48.29 | 10 | B Min | BB: 42.89 (+5.40s | 11.2%) | Fairfax Foxes Swimming | 11/21/2025 | 2025 Swim Rock | |
| 2017 | Camdil Anyalebechi | 48.30 | 9 | B: 48.29 (+0.01s | 0.0%) | Centreville Swim Club | 02/07/2026 | 2026 MAKO QUALIFIER | ||
| 2018 | Charles Bibo | 48.31 | 10 | B: 48.29 (+0.02s | 0.0%) | DC Dept Of Parks and Recreatio | 12/20/2025 | 2025 Candy Cane Sprints | ||
| 2019 | Wilder Edward | 48.31 | 9 | B: 48.29 (+0.02s | 0.0%) | Bangor YMCA Barracudas | 02/27/2026 | 2026 NE Maine State Y Championships | ||
| 2020 | Thomas Boardman | 48.33 | 8 | B: 48.29 (+0.04s | 0.1%) | Phoenix Swimming | 12/11/2025 | 2025 NE SHAWMUT Candy Cane Classic | ||
| 2021 | Hudson Smith | 48.33 | 8 | B: 48.29 (+0.04s | 0.1%) | Potomac Marlins | 02/13/2026 | 2026 AAC Winter Gator Meet | ||
| 2022 | Carson Crouch | 48.34 | 8 | B: 48.29 (+0.05s | 0.1%) | Hawks Swimming Association | 01/23/2026 | 2026 MR HAWKS AD Trials And Finals | ||
| 2023 | Finn Shields | 48.35 | 10 | B: 48.29 (+0.06s | 0.1%) | Bluefish Swim Club | 05/01/2026 | 2026 NE ABF Sprimg Off The Blocks | ||
| 2024 | Cameron So | 48.35 | 9 | B: 48.29 (+0.06s | 0.1%) | 92ny Flying Dolphins | 02/06/2026 | 2026 MR YMID February Classic Copied | ||
| 2025 | Luke Stevens | 48.36 | 9 | B: 48.29 (+0.07s | 0.1%) | Cardinal and Gold Aquatics | 03/21/2026 | 2026 Maryland 9 10 B Championship Meet | ||
| 2026 | Heriakos Nikodimos | 48.36 | 8 | B: 48.29 (+0.07s | 0.1%) | Rockville Montgomery Swim Club | 12/06/2025 | 2025 Reindeer Mini Meet | ||
| 2027 | Apollo Mott | 48.36 | 9 | B: 48.29 (+0.07s | 0.1%) | Cavalier Aquatics/Piedmont Fam | 02/27/2026 | 2026 SW District Champs 9 Over | ||
| 2028 | Luke Groves | 48.38 | 9 | B: 48.29 (+0.09s | 0.2%) | Nation\\\\\\'s Capital Swim Club | 11/14/2025 | 2025 PV November Open Franconia | ||
| 2029 | Aaron Upchurch | 48.38 | 10 | B: 48.29 (+0.09s | 0.2%) | Hampton Virginia Current | 03/21/2026 | HVAC Spring Intra Squad Meet | ||
| 2030 | Loyal Goff | 48.38 | 10 | B: 48.29 (+0.09s | 0.2%) | Columbia Aquatics Association | 01/03/2026 | 2026 ASTS Invitational | ||
| 2031 | Aanav Parekh | 48.38 | 9 | B: 48.29 (+0.09s | 0.2%) | Phoenix Swimming | 02/16/2026 | 2026 NE SSC Presidents Day Meet | ||
| 2032 | Everett Carney | 48.39 | 10 | B: 48.29 (+0.10s | 0.2%) | Smac | 09/20/2025 | 2025 Friendly City Kickoff | ||
| 2033 | Oliver Huang | 48.40 | 10 | B: 48.29 (+0.11s | 0.2%) | Long Island Aquatic Club | 01/10/2026 | 2026 MR FA Iron Dragon Invitational | ||
| 2034 | Louis Liu | 48.40 | 8 | B: 48.29 (+0.11s | 0.2%) | H2okie Aquatics | 11/07/2025 | 2025 HOKI November Invitational Copied | ||
| 2035 | Robert Maher | 48.40 | 10 | B: 48.29 (+0.11s | 0.2%) | Patuxent Aquatics Club | 02/01/2026 | 2026 Little Blue Penguin Pentathlon | ||
| 2036 | Daniel Scott | 48.40 | 8 | B: 48.29 (+0.11s | 0.2%) | Karishim Swim Club | 01/30/2026 | 2026 NE GS Silver Championships | ||
| 2037 | Matthew Varga | 48.40 | 8 | B: 48.29 (+0.11s | 0.2%) | The Capitol Sea Devils | 01/24/2026 | 2026 SDS Polar Bear Invitational | ||
| 2038 | Niyol Scall | 48.40 | 8 | B: 48.29 (+0.11s | 0.2%) | FireFish Swim Team | 01/30/2026 | 2026 NE CS Silver Championships | ||
| 2039 | Devin Gao | 48.43 | 10 | B: 48.29 (+0.14s | 0.3%) | Tide Swimming | 11/01/2025 | ODAC Rising Stars Meet #2 | ||
| 2040 | Jonathan Zaki | 48.45 | 9 | B: 48.29 (+0.16s | 0.3%) | Machine Aquatics | 02/20/2026 | 2026 Machine Qualifier | ||
| 2041 | Christopher Vesbianu | 48.45 | 10 | B: 48.29 (+0.16s | 0.3%) | Kingfish Swimming Medfield | 01/09/2026 | 2026 NE NSSC January 9 11 BC Meet | ||
| 2042 | Joel Mccormack | 48.46 | 10 | B: 48.29 (+0.17s | 0.4%) | Condors Swim Club | 10/10/2025 | 2025 MR COND October Fall Festival | ||
| 2043 | Alex Wang | 48.47 | 10 | B: 48.29 (+0.18s | 0.4%) | Rockville Montgomery Swim Club | 12/04/2025 | 2025 PV Turkey Claus Showdown | ||
| 2044 | Caleb Rimler | 48.47 | 9 | B: 48.29 (+0.18s | 0.4%) | Team Suffolk | 03/27/2026 | 2026 MR Bronze Championship South LIE | ||
| 2045 | River Nester | 48.47 | 9 | B: 48.29 (+0.18s | 0.4%) | Martinsville Marlins | 03/07/2026 | PYSA Champs 2026 | ||
| 2046 | Quinn Katene | 48.48 | 10 | B: 48.29 (+0.19s | 0.4%) | Badger Swim Club,Inc. | 11/21/2025 | 2025 MR LIAC Thanksgiving Invite | ||
| 2047 | Tarik Skodacek | 48.48 | 8 | B: 48.29 (+0.19s | 0.4%) | Naval Academy Aquatic Club | 03/21/2026 | 2026 Maryland 8 Under Championship Meet | ||
| 2048 | Mateo Palomera | 48.49 | 9 | B: 48.29 (+0.20s | 0.4%) | Bgc-N. Westchester Marlins | 03/07/2026 | 2026 MR AGUA Last Chance Invitational | ||
| 2049 | Connor York | 48.49 | 9 | B: 48.29 (+0.20s | 0.4%) | Cape Cod Swim Club | 05/15/2026 | 2026 NE CCSC Medley Mayhem At Sandwich High | ||
| 2050 | Ryan Hsi | 48.50 | 8 | B: 48.29 (+0.21s | 0.4%) | Kingfish Swimming Medfield | 11/01/2025 | 2025 NE NSSC Nov Beede Specialty Copied | ||
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.