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 | |
|---|---|---|---|---|---|---|---|---|---|
| 4101 | Aidan Lopez | 45.05 | 9 | B Min | BB: 42.89 (+2.16s | 4.8%) | Fall River YMCA Lightning | 03/21/2026 | 2026 NE YNS YMCA New England Championship | |
| 4102 | Atlas Crowley | 45.05 | 10 | B Min | BB: 42.89 (+2.16s | 4.8%) | McMinnville Swim Club | 02/15/2026 | 2026 MSC Vs APEX Dual Meet | |
| 4103 | Bryce Rutherford | 45.05 | 10 | B Min | BB: 42.89 (+2.16s | 4.8%) | Bowling Green Swim Club | 02/19/2026 | 2026 OH SOS SC Regional Championships | |
| 4104 | Costan Gipson | 45.05 | 10 | B Min | BB: 42.89 (+2.16s | 4.8%) | Tullahoma Swim Club | 01/09/2026 | 2026 Winter Jam | |
| 4105 | Joseph Michael | 45.05 | 9 | B Min | BB: 42.89 (+2.16s | 4.8%) | Seals Aquatics | 03/07/2026 | Napa Valley Swim Team Swimming Towards Spring | |
| 4106 | Michael Yin | 45.05 | 9 | B Min | BB: 42.89 (+2.16s | 4.8%) | Nova of Virginia | 10/04/2025 | NOVA 12 Under Kick Off Copied | |
| 4107 | Theo Eisenhart | 45.06 | 9 | B Min | BB: 42.89 (+2.17s | 4.8%) | Benton Harbor-St. Joseph YMCA | 02/21/2026 | 2026 Michigan YMCA Clusters Championship | |
| 4108 | Luca Ciobanu | 45.06 | 8 | B Min | BB: 42.89 (+2.17s | 4.8%) | Phoenix Aquatic Club | 03/07/2026 | 2026 MR Metro 8 Under Championships | |
| 4109 | Elliott Rice | 45.06 | 9 | B Min | BB: 42.89 (+2.17s | 4.8%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 12/06/2025 | SLA Holiday Blast | |
| 4110 | John Prosser | 45.06 | 10 | B Min | BB: 42.89 (+2.17s | 4.8%) | SwimRVA | 03/20/2026 | 2026 SwimRVA Clover Cup | |
| 4111 | Hadam Bang | 45.07 | 10 | B Min | BB: 42.89 (+2.18s | 4.8%) | Palo Alto Stanford Aquatics | 01/24/2026 | 2026 Zone 1 North Championships | |
| 4112 | Benjamin Cole | 45.07 | 10 | B Min | BB: 42.89 (+2.18s | 4.8%) | Tollefson Swimming | 01/17/2026 | PVS January Open 2026 Fairland | |
| 4113 | Evan Williams | 45.07 | 8 | B Min | BB: 42.89 (+2.18s | 4.8%) | Waves Of Wilmington Inc | 04/17/2026 | 2026 Spring Showers NSEA V WOW Dual Meet | |
| 4114 | Bruce Chou | 45.07 | 10 | B Min | BB: 42.89 (+2.18s | 4.8%) | Jbarracudas Swim Team | 05/03/2026 | 2026 SI BAY 14U Rising Stars 1 | |
| 4115 | Seth DiMarco | 45.07 | 10 | B Min | BB: 42.89 (+2.18s | 4.8%) | Mystic Hammerheads | 03/21/2026 | 2026 NE YNS YMCA New England Championship | |
| 4116 | Josiah Camarena | 45.07 | 10 | B Min | BB: 42.89 (+2.18s | 4.8%) | Stingrays Swim Team | 01/10/2026 | 2026 RAYS Jeff Rouse Invitational | |
| 4117 | Allan Newbury | 45.07 | 7 | B Min | BB: 42.89 (+2.18s | 4.8%) | Twisters Swim Club | 01/17/2026 | 2026 MR AGUA MLK Invitational | |
| 4118 | Bowen Glancy | 45.08 | 9 | B Min | BB: 42.89 (+2.19s | 4.9%) | Mako Aquatics | 02/27/2026 | 2026 MN WEST Minnesota Regional Championship | |
| 4119 | Yusuf Cavcic | 45.08 | 10 | B Min | BB: 42.89 (+2.19s | 4.9%) | Wave Aquatics | 12/06/2025 | 2025 PN Fall Divisionals, Division 3 WAVE | |
| 4120 | Landon Warren | 45.08 | 9 | B Min | BB: 42.89 (+2.19s | 4.9%) | City of Mobile Swim Associatio | 02/13/2026 | 2026 SES Region 4 Championships | |
| 4121 | Elliot Gorman | 45.08 | 10 | B Min | BB: 42.89 (+2.19s | 4.9%) | Front Range Barracudas | 02/13/2026 | 2026 CO NJ Groundhog Invite | |
| 4122 | Ching-Hung Chou | 45.09 | 10 | B Min | BB: 42.89 (+2.20s | 4.9%) | Bulldog Aquatic Club | 03/07/2026 | 2026 Lake Erie Regional Meet | |
| 4123 | Indy Smithey-Hudkins | 45.09 | 10 | B Min | BB: 42.89 (+2.20s | 4.9%) | Ransom Everglades Aquatic Club | 10/25/2025 | 2025 FG YSF October Invite | |
| 4124 | Daniel Nazif | 45.09 | 10 | B Min | BB: 42.89 (+2.20s | 4.9%) | Empire Swimming | 11/08/2025 | 2025 MR PAC Maria Parmanan Invitational | |
| 4125 | Rockwell Ringold | 45.09 | 9 | B Min | BB: 42.89 (+2.20s | 4.9%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 01/16/2026 | 2026 Odd Age Classic | |
| 4126 | Kyle Teng | 45.09 | 8 | B Min | BB: 42.89 (+2.20s | 4.9%) | Rockville Montgomery Swim Club | 02/14/2026 | 2026 RMSC Gender Blender Mini Meet | |
| 4127 | Levi Foreman | 45.09 | 10 | B Min | BB: 42.89 (+2.20s | 4.9%) | Sea Devils | 02/27/2026 | 2026 MN STRM Minnesota Regional Championship | |
| 4128 | Steven Luo | 45.09 | 9 | B Min | BB: 42.89 (+2.20s | 4.9%) | Rockville Montgomery Swim Club | 12/11/2025 | 2025 Riley Eaton Holiday Invitational | |
| 4129 | Stiles McCumber | 45.10 | 10 | B Min | BB: 42.89 (+2.21s | 4.9%) | Huntsville Swim Association | 12/05/2025 | 2025 Holiday Classic | |
| 4130 | Grayson Thomas | 45.10 | 8 | B Min | BB: 42.89 (+2.21s | 4.9%) | Torpedo Swim School | 12/05/2025 | 2025 Sea Dragon Aquatics Frosty Freeze | |
| 4131 | Cormac Misantone | 45.10 | 9 | B Min | BB: 42.89 (+2.21s | 4.9%) | Hydra Aquatics | 11/21/2025 | 2025 Fall Festivus | |
| 4132 | Artur Szabo | 45.10 | 10 | B Min | BB: 42.89 (+2.21s | 4.9%) | Maui Dolphins Swim Club | 03/07/2026 | 2026 HI Junior Age Group SCY Championship | |
| 4133 | Ian Lee | 45.10 | 8 | B Min | BB: 42.89 (+2.21s | 4.9%) | Bellevue Club Swim Team | 02/27/2026 | 2026 PN Feb Age Group Invite,Div 3 Approved | |
| 4134 | Alec Henriques | 45.10 | 10 | B Min | BB: 42.89 (+2.21s | 4.9%) | Napa Valley Swim Team | 03/07/2026 | Napa Valley Swim Team Swimming Towards Spring | |
| 4135 | Johannes Davide | 45.11 | 10 | B Min | BB: 42.89 (+2.22s | 4.9%) | Issaquah Swim Team | 01/24/2026 | 2026 PN IST January Invitational Approved | |
| 4136 | Aiden Banks | 45.11 | 9 | B Min | BB: 42.89 (+2.22s | 4.9%) | Spartan Aquatic Club | 11/22/2025 | 2025 SJAC Turkey Meet | |
| 4137 | Herman Ivey | 45.11 | 9 | B Min | BB: 42.89 (+2.22s | 4.9%) | Sarasota Sharks | 06/20/2026 | West Coast B Champtionships | |
| 4138 | Bishop Hoffmann | 45.11 | 8 | B Min | BB: 42.89 (+2.22s | 4.9%) | Columbia Aquatics Association | 03/21/2026 | 2026 Maryland 8 Under Championship Meet | |
| 4139 | Charles Guess | 45.12 | 9 | B Min | BB: 42.89 (+2.23s | 4.9%) | Tahoe Swim Club | 02/06/2026 | 2026 Valentines Day Age Group Open | |
| 4140 | Rainier Chen | 45.12 | 9 | B Min | BB: 42.89 (+2.23s | 4.9%) | Hill Country Aquatics | 01/31/2026 | 2026 WOW Big Freeze Frenzy Meet | |
| 4141 | Bradlay Luxama | 45.12 | 10 | B Min | BB: 42.89 (+2.23s | 4.9%) | YMCA of Middletown Barracudas | 03/27/2026 | 2026 MR Metro Bronze Championship North | |
| 4142 | H Chubb | 45.12 | 9 | B Min | BB: 42.89 (+2.23s | 4.9%) | Hydra Aquatics | 12/05/2025 | 2025 Christmas Championships | |
| 4143 | Jack Driscoll | 45.12 | 10 | B Min | BB: 42.89 (+2.23s | 4.9%) | Connecticut Aquatic Club | 12/12/2025 | 2025 NE CRIM Frosty Frenzy Trials Finals | |
| 4144 | Harrison Krzenski | 45.12 | 10 | B Min | BB: 42.89 (+2.23s | 4.9%) | South Metro Storm | 02/27/2026 | 2026 MN STRM Minnesota Regional Championship | |
| 4145 | Carlos Ylanan | 45.12 | 10 | B Min | BB: 42.89 (+2.23s | 4.9%) | Com Aquatics | 11/14/2025 | 2025 ST AAAA AH PW NC Invite | |
| 4146 | Theo Hill | 45.12 | 8 | B Min | BB: 42.89 (+2.23s | 4.9%) | All Star Aquatics | 03/20/2026 | March Madness 2026 | |
| 4147 | Connor Johnston | 45.13 | 9 | B Min | BB: 42.89 (+2.24s | 5.0%) | Edina Swim Club | 12/20/2025 | 2025 MN EDI Gator Holiday Bash | |
| 4148 | Melchizedek Nan | 45.13 | 9 | B Min | BB: 42.89 (+2.24s | 5.0%) | Aggie Swim Club | 01/10/2025 | MAC 2025 Neon New Year Meet | |
| 4149 | Alexander Forward | 45.14 | 8 | B Min | BB: 42.89 (+2.25s | 5.0%) | San Jose Goosemonkeys | 02/28/2026 | Swim South Bay | |
| 4150 | Rhett Szymanski | 45.14 | 10 | B Min | BB: 42.89 (+2.25s | 5.0%) | Cardinal and Gold Aquatics | 11/01/2025 | 2025 Bridget Vache Memorial MAC Fall Frenzy | |
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.