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 | |
|---|---|---|---|---|---|---|---|---|---|
| 5001 | Nathaniel Chiang | 45.74 | 10 | B Min | BB: 42.89 (+2.85s | 6.2%) | Issaquah Swim Team | 03/28/2026 | 2026 PN Spring Showdown, Div1 Approved | |
| 5002 | Thomas Zeller | 45.74 | 10 | B Min | BB: 42.89 (+2.85s | 6.2%) | SwimRVA | 10/10/2025 | 2025 TIDE Atlantic Coast Clash Copied | |
| 5003 | Ian Benrey | 45.74 | 10 | B Min | BB: 42.89 (+2.85s | 6.2%) | SwimFast | 12/05/2025 | 2025 FG Holiday Champ | |
| 5004 | Nicholas Wang | 45.74 | 10 | B Min | BB: 42.89 (+2.85s | 6.2%) | The Fish | 03/20/2026 | 26th Annual Spring Championships | |
| 5005 | Jeffrey Krell | 45.74 | 9 | B Min | BB: 42.89 (+2.85s | 6.2%) | YMCA of Virginia\\\\\\'s Blue Ridge | 03/07/2026 | PYSA Champs 2026 | |
| 5006 | Thomas Russo | 45.74 | 10 | B Min | BB: 42.89 (+2.85s | 6.2%) | Bgc-N. Westchester Marlins | 03/27/2026 | 2026 MR Metro Bronze Championship North | |
| 5007 | Brody Kershaw | 45.74 | 10 | B Min | BB: 42.89 (+2.85s | 6.2%) | Rima United | 10/03/2025 | 2025 NE KING Pink Pentahlon Copied | |
| 5008 | Timothy Huang | 45.74 | 9 | B Min | BB: 42.89 (+2.85s | 6.2%) | Wave Aquatics | 03/28/2026 | 2026 PN Spring Showdown, Div 4 Approved | |
| 5009 | Alfonso Salinas | 45.75 | 9 | B Min | BB: 42.89 (+2.86s | 6.3%) | EL Paso Border Land Swim Team | 02/22/2026 | 2026 BD SC Jr Border Championship | |
| 5010 | Raylan Raphael | 45.75 | 9 | B Min | BB: 42.89 (+2.86s | 6.3%) | Sailfish | 01/17/2026 | 2026 ST AQTX B Champs North | |
| 5011 | Reed Song | 45.75 | 9 | B Min | BB: 42.89 (+2.86s | 6.3%) | Columbia Aquatics Association | 01/03/2026 | 2026 ASTS Invitational | |
| 5012 | Graf Fleming | 45.75 | 10 | B Min | BB: 42.89 (+2.86s | 6.3%) | Tennessee Aquatics | 02/13/2026 | 2026 SE BAY Region 2 Championships Copied | |
| 5013 | Alexander Yang | 45.75 | 10 | B Min | BB: 42.89 (+2.86s | 6.3%) | Long Island Aquatic Club | 11/16/2025 | 2025 MR LIAC Fall Festival Invitational | |
| 5014 | Ryker Todd | 45.75 | 9 | B Min | BB: 42.89 (+2.86s | 6.3%) | Monterey Bay Swim Club | 10/25/2025 | 2025 Gil Williams Memorial Halloween Meet | |
| 5015 | John Murray | 45.75 | 10 | B Min | BB: 42.89 (+2.86s | 6.3%) | Greater Lowell Family YMCA | 01/24/2026 | 2026 NE NSSC Snowman Sprints | |
| 5016 | Joshua Cho | 45.75 | 10 | B Min | BB: 42.89 (+2.86s | 6.3%) | Life Time Southeast | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 5017 | Adam Elkidwany | 45.76 | 10 | B Min | BB: 42.89 (+2.87s | 6.3%) | Alamo Area Aquatic Association | 02/24/2026 | 2026 ST AAAA NS End Of Season Race Nights | |
| 5018 | Konstantin Zhou | 45.76 | 9 | B Min | BB: 42.89 (+2.87s | 6.3%) | Cross Island YMCA Barracudas | 11/28/2025 | 2025 MR LIE Thanksgiving Invitational | |
| 5019 | Oliver Ghibril | 45.76 | 10 | B Min | BB: 42.89 (+2.87s | 6.3%) | YMCA of South Florida | 02/14/2026 | NMST BMHG February BC Invite 26 | |
| 5020 | Avery Sawyer | 45.76 | 8 | B Min | BB: 42.89 (+2.87s | 6.3%) | Nitro Swimming | 01/31/2026 | 2026 ST NTRO Fiery Flames | |
| 5021 | Henry Oracki | 45.76 | 10 | B Min | BB: 42.89 (+2.87s | 6.3%) | Nation\\\\\\'s Capital Swim Club | 10/10/2025 | 2025 PV October Open Fairland | |
| 5022 | Fennick Brown | 45.77 | 9 | B Min | BB: 42.89 (+2.88s | 6.3%) | Zeus Swim Team | 12/05/2025 | 2025 MR NYS Holiday Classic Trials Finals | |
| 5023 | Chun Huang | 45.77 | 9 | B Min | BB: 42.89 (+2.88s | 6.3%) | Alamo Area Aquatic Association | 09/28/2024 | 2024 ST AAAA NE September Splash | |
| 5024 | Lincoln Muncie | 45.77 | 10 | B Min | BB: 42.89 (+2.88s | 6.3%) | Spokane Waves Aquatic Team | 02/08/2025 | Cougar Winter Classic | |
| 5025 | Payne Osborne | 45.77 | 10 | B Min | BB: 42.89 (+2.88s | 6.3%) | Greater Omaha Aquatics Leopard | 02/20/2026 | 2026 MW Midwestern Age Group Short Course | |
| 5026 | Andrew Mastilenko | 45.77 | 10 | B Min | BB: 42.89 (+2.88s | 6.3%) | Lakeshore Swim Club | 02/19/2026 | 2026 OH Cleveland SC Regional Championships | |
| 5027 | Theodore Kim | 45.78 | 10 | B Min | BB: 42.89 (+2.89s | 6.3%) | Machine Aquatics | 11/14/2025 | 2025 PV November Open Franconia | |
| 5028 | Nash King | 45.78 | 9 | B Min | BB: 42.89 (+2.89s | 6.3%) | North Baltimore Aquatic Club | 11/14/2025 | 2025 NBAC Thanksgiving Meet | |
| 5029 | Dallas Smith | 45.78 | 9 | B Min | BB: 42.89 (+2.89s | 6.3%) | YMCA East Hampton Hurricanes | 10/11/2025 | 2025 MR TVSC Ann Wycoff Memorial Swim Meet | |
| 5030 | Seif Nimri | 45.78 | 9 | B Min | BB: 42.89 (+2.89s | 6.3%) | Tollefson Swimming | 02/01/2026 | 2026 Little Blue Penguin Pentathlon | |
| 5031 | Odin Yu | 45.78 | 7 | B Min | BB: 42.89 (+2.89s | 6.3%) | Xtreme Swim Club | 02/06/2026 | 2026 NE CRIM Last Chance Meet | |
| 5032 | Henry Li | 45.78 | 10 | B Min | BB: 42.89 (+2.89s | 6.3%) | Eastern Nassau Aquatic Club | 01/30/2026 | 2026 MR LIE Second Chance Invitational | |
| 5033 | William Rickert | 45.79 | 8 | B Min | BB: 42.89 (+2.90s | 6.3%) | South Orange County Aquatics | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 5034 | Jameson Wheeless | 45.79 | 10 | B Min | BB: 42.89 (+2.90s | 6.3%) | Sprc Stingrays | 10/18/2025 | 2025 RAYS Great Pumpkin Splash Invitational | |
| 5035 | Kroy Riley | 45.79 | 10 | B Min | BB: 42.89 (+2.90s | 6.3%) | High Performance Aquatic Club | 10/18/2025 | 2025 ST SRG SCY Surgetoberfest | |
| 5036 | Ryan Khalili | 45.79 | 10 | B Min | BB: 42.89 (+2.90s | 6.3%) | Highlands Ranch Aquatics | 03/14/2025 | 2025 CO NJ Mile High Championships | |
| 5037 | Michael Baier | 45.79 | 10 | B Min | BB: 42.89 (+2.90s | 6.3%) | North Baltimore Aquatic Club | 03/21/2026 | 2026 Maryland 9 10 B Championship Meet | |
| 5038 | Jacob Gamio | 45.79 | 9 | B Min | BB: 42.89 (+2.90s | 6.3%) | Unattached | 12/12/2025 | 2025 ST AAAA NS Winter Wonderland | |
| 5039 | JD Reeher | 45.79 | 9 | B Min | BB: 42.89 (+2.90s | 6.3%) | Cavalier Aquatics/Piedmont Fam | 02/27/2026 | 2026 SW District Champs 9 Over | |
| 5040 | George Oana | 45.79 | 8 | B Min | BB: 42.89 (+2.90s | 6.3%) | Whitmore Lake Waves | 03/07/2026 | 2026 Lake Ontario Regional Meet | |
| 5041 | Jayden Chen | 45.79 | 10 | B Min | BB: 42.89 (+2.90s | 6.3%) | Trident Aquatic Club | 02/07/2026 | 2026 MR QNS We Fly High Invitational | |
| 5042 | Tyler Zibell | 45.79 | 10 | B Min | BB: 42.89 (+2.90s | 6.3%) | Gilroy Gators Swim Team | 10/25/2025 | GGST Spooktacular 2025 | |
| 5043 | Ryan Beal | 45.80 | 10 | B Min | BB: 42.89 (+2.91s | 6.4%) | Westerville Aquatic Club | 02/19/2026 | 2026 OH WOR SC Regional Championships | |
| 5044 | Roman Kappa | 45.80 | 8 | B Min | BB: 42.89 (+2.91s | 6.4%) | Lakewood Ranch Swim Associatio | 01/23/2026 | 2026 Hot Chocolate Invite | |
| 5045 | John Kosch | 45.80 | 10 | B Min | BB: 42.89 (+2.91s | 6.4%) | Oly Swimming | 01/10/2026 | 2026 PA Invite | |
| 5046 | Maxwell Runck | 45.80 | 9 | B Min | BB: 42.89 (+2.91s | 6.4%) | Estherville Jackson Eels 24-25 | 03/29/2025 | 2025 MN MYAS Midwest Regional Swim Meet | |
| 5047 | Lucas Baker | 45.80 | 9 | B Min | BB: 42.89 (+2.91s | 6.4%) | Mountain State Storm | 01/17/2026 | Club Mountaineer January Age Group Winter Spl | |
| 5048 | Eric Yang | 45.80 | 10 | B Min | BB: 42.89 (+2.91s | 6.4%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 5049 | Gavin Merrill | 45.81 | 9 | B Min | BB: 42.89 (+2.92s | 6.4%) | Olympus Aquatics | 10/30/2025 | 2025 OA IMR 1 | |
| 5050 | Paul Johnston | 45.81 | 10 | B Min | BB: 42.89 (+2.92s | 6.4%) | Williamsburg Aquatic Club | 11/15/2025 | 2025 WAC 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.