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 | |
|---|---|---|---|---|---|---|---|---|---|
| 5701 | Ethan Cook | 46.85 | 8 | B Min | BB: 42.89 (+3.96s | 8.5%) | Columbia Aquatics Association | 10/18/2025 | CAA Early Season Mini Mid Distance Meet | |
| 5702 | Connor Jacob | 46.85 | 7 | B Min | BB: 42.89 (+3.96s | 8.5%) | Raleigh Swimming Association | 03/26/2026 | 2026 NCAC Spring Tar Heel States Copied | |
| 5703 | Theodore Daroy | 46.85 | 9 | B Min | BB: 42.89 (+3.96s | 8.5%) | Dolphin Club | 10/24/2025 | NOVA Halloween Haunt | |
| 5704 | Niall Lalomio | 46.85 | 8 | B Min | BB: 42.89 (+3.96s | 8.5%) | Edina Swim Club | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 5705 | Isidore Harris | 46.85 | 8 | B Min | BB: 42.89 (+3.96s | 8.5%) | Nova of Virginia | 01/09/2026 | NOVA New Year S Kick Off | |
| 5706 | Phil Jordan | 46.85 | 8 | B Min | BB: 42.89 (+3.96s | 8.5%) | Nation\\\\\\'s Capital Swim Club | 10/18/2025 | 2025 AAC Fall Gator Mini Meet | |
| 5707 | Henrik Obrebski | 46.86 | 9 | B Min | BB: 42.89 (+3.97s | 8.5%) | Gleason Family YMCA | 01/17/2026 | 2026 NE KCY SENECY Winter Carnival | |
| 5708 | Elliott Horn | 46.86 | 9 | B Min | BB: 42.89 (+3.97s | 8.5%) | Monocacy Aquatic Club | 03/13/2026 | 2026 Speedo Maryland Junior Championship Si | |
| 5709 | Cody Preikschas | 46.86 | 8 | B Min | BB: 42.89 (+3.97s | 8.5%) | Area Tallahassee Aquatic Club | 01/30/2026 | 2026 Mac Crutchfield Invitational | |
| 5710 | Julian Suh | 46.86 | 8 | B Min | BB: 42.89 (+3.97s | 8.5%) | Long Island Aquatic Club | 11/16/2025 | 2025 MR LIAC Fall Festival Invitational | |
| 5711 | Isaac Welmerink | 46.87 | 9 | B Min | BB: 42.89 (+3.98s | 8.5%) | Lakeridge Swim Team | 02/06/2026 | 2026 Valentines Day Age Group Open | |
| 5712 | August Xu | 46.87 | 9 | B Min | BB: 42.89 (+3.98s | 8.5%) | Dynamo Swim Club | 10/17/2025 | 2025 HSA Fran Norris Meet | |
| 5713 | Arthur Prucha | 46.87 | 9 | B Min | BB: 42.89 (+3.98s | 8.5%) | Orca Aquatics | 11/15/2025 | 2025 NE SAC Turkey Splash | |
| 5714 | Emmett Nerem | 46.87 | 10 | B Min | BB: 42.89 (+3.98s | 8.5%) | Perry Area Winter Swim | 03/29/2025 | 2025 MN MYAS Midwest Regional Swim Meet | |
| 5715 | Liam Kim | 46.87 | 8 | B Min | BB: 42.89 (+3.98s | 8.5%) | Life Time Fitness New York Swi | 02/28/2026 | 2026 MR QNS I Know I Can Invitational | |
| 5716 | Orion Boudreaux | 46.87 | 10 | B Min | BB: 42.89 (+3.98s | 8.5%) | Napa Valley Swim Team | 09/20/2025 | WANV CBA+ Endless Summer Meet | |
| 5717 | Liam Seo | 46.87 | 9 | B Min | BB: 42.89 (+3.98s | 8.5%) | Empire Swimming | 11/08/2025 | 2025 MR PAC Maria Parmanan Invitational | |
| 5718 | Henry Beilstein | 46.88 | 9 | B Min | BB: 42.89 (+3.99s | 8.5%) | New Rochelle YMCA Sailfish Swi | 11/15/2025 | 2025 MR SSC Turkey Trot Invitational | |
| 5719 | Canon Antonich | 46.88 | 8 | B Min | BB: 42.89 (+3.99s | 8.5%) | Lewis Clark Neptune Swim Team | 12/05/2025 | 2025 SWAT Winter Invite | |
| 5720 | Sam Knific | 46.88 | 9 | B Min | BB: 42.89 (+3.99s | 8.5%) | Lakeshore Swim Club | 02/19/2026 | 2026 OH Cleveland SC Regional Championships | |
| 5721 | Sebastian Wyborn | 46.88 | 10 | B Min | BB: 42.89 (+3.99s | 8.5%) | Cincinnati Aquatic Club | 02/19/2026 | 2026 OH CM SC Regional Championships | |
| 5722 | Ernesto Quinonez | 46.88 | 8 | B Min | BB: 42.89 (+3.99s | 8.5%) | Commonwealth Swimming | 01/10/2026 | 2026 NE CS Winter Classic | |
| 5723 | Simon Xiong | 46.88 | 10 | B Min | BB: 42.89 (+3.99s | 8.5%) | Nitro Swimming | 11/16/2025 | 2025 ST NTRO Turkey Trot | |
| 5724 | Albert Yang | 46.88 | 9 | B Min | BB: 42.89 (+3.99s | 8.5%) | California Dolphins Swim Team | 03/28/2026 | PC CDST SC C B BB+ Meet | |
| 5725 | Joseph Waffen | 46.89 | 10 | B Min | BB: 42.89 (+4.00s | 8.5%) | Aulea Swim Club | 10/19/2025 | Aulea Fall Frenzy Meet | |
| 5726 | Jaxton Garner | 46.89 | 9 | B Min | BB: 42.89 (+4.00s | 8.5%) | SwimMAC Carolina | 03/07/2026 | 2026 SwimMAC BC Championship | |
| 5727 | Thomas Apple | 46.89 | 10 | B Min | BB: 42.89 (+4.00s | 8.5%) | Greensboro Community YMCA | 03/06/2026 | Jon Jolley GYSSA 2026 | |
| 5728 | Asher Csoma | 46.89 | 9 | B Min | BB: 42.89 (+4.00s | 8.5%) | Clearfield City Aquatic Team | 12/13/2025 | SDAT Winter Pentathlon | |
| 5729 | Benjamin Bridgers | 46.89 | 9 | B Min | BB: 42.89 (+4.00s | 8.5%) | Episcopal AmberJax | 11/15/2025 | EAJ Fall Harvest 2025 | |
| 5730 | Aidan Carroll | 46.89 | 10 | B Min | BB: 42.89 (+4.00s | 8.5%) | Madison Swimming Association | 01/16/2026 | 2026 HSA TYR Invitational | |
| 5731 | Elijah Irwin | 46.89 | 9 | B Min | BB: 42.89 (+4.00s | 8.5%) | Fallbrook Assoc Swim T | 01/11/2026 | 2026 SI FAST 14U RISING STARS 3 | |
| 5732 | James Klomparens | 46.89 | 10 | B Min | BB: 42.89 (+4.00s | 8.5%) | New Albany Aquatic Club | 02/19/2026 | 2026 OH UASC SC Regional Championships | |
| 5733 | Onders Mack | 46.90 | 10 | B Min | BB: 42.89 (+4.01s | 8.6%) | Form Swim Team | 12/15/2024 | 2024 CO FORM Winter Open | |
| 5734 | Jonathan Engle | 46.90 | 8 | B Min | BB: 42.89 (+4.01s | 8.6%) | Mission Valley YMCA | 01/31/2026 | 2026 SBA All Ages NTS Meet | |
| 5735 | Daniel Choi | 46.90 | 9 | B Min | BB: 42.89 (+4.01s | 8.6%) | Fort Collins Area Swim Team | 01/10/2026 | 2026 CO FAST Vs TOPS Vs RIP | |
| 5736 | Lochlan McClary | 46.90 | 9 | B Min | BB: 42.89 (+4.01s | 8.6%) | Hurricanes Swim Team | 01/25/2026 | 2026 MN HURR January Invitational | |
| 5737 | Peter Lemker | 46.90 | 8 | B Min | BB: 42.89 (+4.01s | 8.6%) | Bellevue Club Swim Team | 03/28/2026 | 2026 PN Spring Showdown, Div1 Approved | |
| 5738 | Thomas Ho | 46.91 | 9 | B Min | BB: 42.89 (+4.02s | 8.6%) | Nitro Swimming | 01/17/2026 | 2026 ST AQTX B Champs North | |
| 5739 | Steven Saby | 46.91 | 9 | B Min | BB: 42.89 (+4.02s | 8.6%) | Ocean Pines Swim Team | 10/18/2025 | 2025 RAYS Great Pumpkin Splash Invitational | |
| 5740 | Piers Laughland | 46.91 | 6 | B Min | BB: 42.89 (+4.02s | 8.6%) | Meadow | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | |
| 5741 | Maxim Gilszmer | 46.91 | 10 | B Min | BB: 42.89 (+4.02s | 8.6%) | Seattle Metropolitan Aquatic C | 10/04/2025 | 2025 PN SMAC Fall Kick Off Invitational | |
| 5742 | Quinn Cherefko | 46.92 | 9 | B Min | BB: 42.89 (+4.03s | 8.6%) | Evergreen Hurricanes | 01/31/2026 | 2026 CO Anthony Boettcher Nate Rothman Memori | |
| 5743 | Jasper Zhao | 46.92 | 9 | B Min | BB: 42.89 (+4.03s | 8.6%) | Long Island Aquatic Club | 12/05/2025 | 2025 MR NYS Holiday Classic Trials Finals | |
| 5744 | Tiago Origel | 46.92 | 9 | B Min | BB: 42.89 (+4.03s | 8.6%) | Swim Neptune | 12/04/2025 | 2025 Holiday Swim Festival | |
| 5745 | Ryder McDermitt | 46.92 | 8 | B Min | BB: 42.89 (+4.03s | 8.6%) | Flatiron Athletic Club | 01/09/2026 | 2026 CO NJ Narwhal Invitational | |
| 5746 | Onyx Rumschlag | 46.93 | 10 | B Min | BB: 42.89 (+4.04s | 8.6%) | Vacationland Swim Club | 02/19/2026 | 2026 OH SOS SC Regional Championships | |
| 5747 | Ashwin Herek | 46.93 | 10 | B Min | BB: 42.89 (+4.04s | 8.6%) | Plymouth Canton Cruisers | 11/07/2025 | 25th Annual A3 Red, White, And Blue Classic | |
| 5748 | Benhur Bekhur | 46.93 | 10 | B Min | BB: 42.89 (+4.04s | 8.6%) | Life Time Swim Ohio | 02/20/2026 | 2026 OH WAVE SC Regional Championships | |
| 5749 | Henry Jespersen | 46.94 | 10 | B Min | BB: 42.89 (+4.05s | 8.6%) | Team Charlotte Swimming | 02/14/2026 | 2026 SwimMAC Qualifier Festival | |
| 5750 | Nolan Whitt | 46.94 | 10 | B Min | BB: 42.89 (+4.05s | 8.6%) | SwimRVA | 11/08/2025 | CA Y Tri Meet | |
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.