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 | |
|---|---|---|---|---|---|---|---|---|---|
| 3651 | Diego Aguirre | 43.41 | 9 | B Min | BB: 42.89 (+0.52s | 1.2%) | El Paso Aqua Posse | 02/13/2026 | 2026 BD Arctic BLAST Swim Meet | |
| 3652 | Xavier Gange | 43.41 | 10 | B Min | BB: 42.89 (+0.52s | 1.2%) | Machine Aquatics | 03/20/2026 | 2026 RMSC Spring Finale | |
| 3653 | Mason Messina | 43.41 | 10 | B Min | BB: 42.89 (+0.52s | 1.2%) | Asphalt Green Unified Aquatics | 03/07/2026 | 2026 MR AGUA Last Chance Invitational | |
| 3654 | Quinton Simpson | 43.41 | 8 | B Min | BB: 42.89 (+0.52s | 1.2%) | Twisters Swim Club | 03/07/2026 | 2026 MR Metro 8 Under Championships | |
| 3655 | Brandon Worth | 43.42 | 10 | B Min | BB: 42.89 (+0.53s | 1.2%) | Capital of Texas Aquatics | 11/16/2025 | 2025 ST TXLA 10 U November Unclassified | |
| 3656 | Alroy Conry | 43.42 | 8 | B Min | BB: 42.89 (+0.53s | 1.2%) | Aces Swim Club | 01/23/2026 | 2026 CO TOPS Colorado Open | |
| 3657 | Soren Haas | 43.42 | 10 | B Min | BB: 42.89 (+0.53s | 1.2%) | Mesa Aquatics Club | 02/14/2025 | 33rd Annual Lost Dutchman Invitational | |
| 3658 | David Attestatov | 43.42 | 5 | B Min | BB: 42.89 (+0.53s | 1.2%) | Soda Fall | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | |
| 3659 | Russell Sanosi | 43.42 | 10 | B Min | BB: 42.89 (+0.53s | 1.2%) | Tide Swimming | 01/09/2026 | 2026 757swim Splash And Dash | |
| 3660 | Nathan Blocklin | 43.42 | 10 | B Min | BB: 42.89 (+0.53s | 1.2%) | Bayside Aquatics | 12/21/2025 | The Grinch Stole My Times (9 O BB Slowe) 2025 | |
| 3661 | Adrian Mendoza | 43.43 | 10 | B Min | BB: 42.89 (+0.54s | 1.2%) | Front Range Barracudas | 12/06/2024 | 2024 CO CSI Pioneer Open | |
| 3662 | Caiden Gemmell | 43.43 | 8 | B Min | BB: 42.89 (+0.54s | 1.2%) | Tampa Y Swimming | 02/27/2026 | 2026 Spring Area 3 Championships | |
| 3663 | Clark Wilson | 43.43 | 10 | B Min | BB: 42.89 (+0.54s | 1.2%) | Alto Swim Club | 01/24/2026 | 2026 Zone 1 North Championships | |
| 3664 | Ivan Bondar | 43.44 | 10 | B Min | BB: 42.89 (+0.55s | 1.3%) | Matchpoint Nyc | 09/27/2025 | 2025 MR FREE Season Starter | |
| 3665 | Ishva Moolinti | 43.44 | 8 | B Min | BB: 42.89 (+0.55s | 1.3%) | Frederick Area Swim Team | 03/21/2026 | 2026 Maryland 8 Under Championship Meet | |
| 3666 | Jeffrey Krell | 43.45 | 9 | B Min | BB: 42.89 (+0.56s | 1.3%) | YMCA of Virginia\\\\\\'s Blue Ridge | 03/07/2026 | PYSA Champs 2026 | |
| 3667 | Jun Lin | 43.45 | 8 | B Min | BB: 42.89 (+0.56s | 1.3%) | Seattle Metropolitan Aquatic C | 03/28/2026 | 2026 PN Spring Showdown, Div 2 Approved | |
| 3668 | Nicholas Burmeister | 43.45 | 9 | B Min | BB: 42.89 (+0.56s | 1.3%) | Cascade Swim Club | 03/07/2026 | 2026 PDST Mar Pentathlon Last Chance Approved | |
| 3669 | Ethan Reed | 43.45 | 9 | B Min | BB: 42.89 (+0.56s | 1.3%) | Club Wolverine | 03/07/2026 | 2026 Lake Ontario Regional Meet | |
| 3670 | Carson Topp | 43.45 | 9 | B Min | BB: 42.89 (+0.56s | 1.3%) | Club Husker | 02/20/2026 | 2026 MW Midwestern Age Group Short Course | |
| 3671 | Nikolay Prokopovych | 43.45 | 9 | B Min | BB: 42.89 (+0.56s | 1.3%) | Amherst Tritons Swim Team | 01/30/2026 | 2026 NE UVAC Silvers | |
| 3672 | George Heintz | 43.45 | 10 | B Min | BB: 42.89 (+0.56s | 1.3%) | Team Charlotte Swimming | 02/14/2026 | 2026 SwimMAC Qualifier Festival | |
| 3673 | Cole Kennedy | 43.45 | 9 | B Min | BB: 42.89 (+0.56s | 1.3%) | Marlins Of Raleigh | 03/14/2026 | 2026 MOR Reagan Martin Rocks Swim Meet | |
| 3674 | Whitaker Scheerhorn | 43.46 | 10 | B Min | BB: 42.89 (+0.57s | 1.3%) | West Michigan Swimmers | 12/13/2025 | 2025 Holiday Cup | |
| 3675 | Wilson Pascoe | 43.46 | 8 | B Min | BB: 42.89 (+0.57s | 1.3%) | Williamsburg Aquatic Club | 11/15/2025 | 2025 WAC Fall Classic | |
| 3676 | Davis Parker | 43.46 | 9 | B Min | BB: 42.89 (+0.57s | 1.3%) | 757swim | 01/09/2026 | 2026 757swim Splash And Dash | |
| 3677 | Levi Bowen | 43.46 | 10 | B Min | BB: 42.89 (+0.57s | 1.3%) | Portneuf Valley Swim Team | 10/25/2025 | Spook Splash 2025 | |
| 3678 | Adrian Goo | 43.46 | 10 | B Min | BB: 42.89 (+0.57s | 1.3%) | Walnut Creek Aquabears | 07/26/2025 | Zone 2 Summer Championships | |
| 3679 | Azel Stevens | 43.46 | 10 | B Min | BB: 42.89 (+0.57s | 1.3%) | Black Marlins Swim Team | 03/21/2026 | 2026 NE YNS YMCA New England Championship | |
| 3680 | Beckett Toffle | 43.47 | 9 | B Min | BB: 42.89 (+0.58s | 1.3%) | Millard Aquatic Club | 01/31/2026 | 2026 MW SCSC President S Day Meet | |
| 3681 | Isaiah Gravette | 43.47 | 10 | B Min | BB: 42.89 (+0.58s | 1.3%) | SOL Swim Team | 03/21/2026 | 2026 SI CAST All Ages NTS Meet South | |
| 3682 | Gavin Wamsley | 43.47 | 9 | B Min | BB: 42.89 (+0.58s | 1.3%) | Powell Crosley YMCA | 02/19/2026 | 2026 OH CM SC Regional Championships | |
| 3683 | Caden Seiber | 43.47 | 10 | B Min | BB: 42.89 (+0.58s | 1.3%) | University Place Aquatic Club | 02/14/2025 | 2025 PN UPAC 4th Annual February Fly In | |
| 3684 | Hudson Vieth | 43.47 | 10 | B Min | BB: 42.89 (+0.58s | 1.3%) | Cascade Swim Club | 11/16/2025 | 2025 PN CSC Distance Plus Intrasquad | |
| 3685 | Evan Yoon | 43.47 | 10 | B Min | BB: 42.89 (+0.58s | 1.3%) | Ridgewood YMCA Breakers Swim T | 03/20/2026 | 2026 NE NSSC March Madness At MIT | |
| 3686 | Jeffrey Lou | 43.47 | 9 | B Min | BB: 42.89 (+0.58s | 1.3%) | Seattle Metropolitan Aquatic C | 10/04/2025 | 2025 PN SMAC Fall Kick Off Invitational | |
| 3687 | Ashton Reinhart | 43.47 | 10 | B Min | BB: 42.89 (+0.58s | 1.3%) | Red Wing Swim Club | 03/27/2026 | 2026 MN RWSC Fall Winter Mini Meet Champs | |
| 3688 | Benjamin Lugo | 43.48 | 9 | B Min | BB: 42.89 (+0.59s | 1.4%) | Pikes Peak Athletics | 03/06/2026 | 2026 CO 14 U Silver State | |
| 3689 | Jack Pordon | 43.48 | 10 | B Min | BB: 42.89 (+0.59s | 1.4%) | Ridgewood YMCA Breakers Swim T | 03/20/2026 | 2026 NE NSSC March Madness At MIT | |
| 3690 | Kien Huynh | 43.48 | 10 | B Min | BB: 42.89 (+0.59s | 1.4%) | Nitro Swimming | 01/17/2026 | 2026 ST AQTX B Champs North | |
| 3691 | Liam MacPherson | 43.48 | 10 | B Min | BB: 42.89 (+0.59s | 1.4%) | Nova of Virginia | 10/24/2025 | NOVA Halloween Haunt | |
| 3692 | Alexander Langhans | 43.48 | 9 | B Min | BB: 42.89 (+0.59s | 1.4%) | Nashville Aquatic Club | 02/21/2026 | 2026 SES Region 1 8 And Under Championships | |
| 3693 | Logan Yip | 43.48 | 10 | B Min | BB: 42.89 (+0.59s | 1.4%) | South San Francisco Aquatics | 11/14/2025 | PSL Pumpkin Spice Lovers 25 129 | |
| 3694 | Isaac Engelbart | 43.48 | 10 | B Min | BB: 42.89 (+0.59s | 1.4%) | Stingray Swim Team | 03/28/2026 | 2026 PN Spring Showdown, Div 4 Approved | |
| 3695 | Oliver Speer | 43.48 | 10 | B Min | BB: 42.89 (+0.59s | 1.4%) | Platinum Aquatics | 02/21/2025 | MAC Hosted 2025 Gulf 12 Under Champs | |
| 3696 | Abraham Carver | 43.48 | 9 | B Min | BB: 42.89 (+0.59s | 1.4%) | Saint Petersburg Aquatics | 10/03/2025 | SPA FRIDAY NITE RACES OCT 3 2025 | |
| 3697 | Griffin Perry | 43.48 | 10 | B Min | BB: 42.89 (+0.59s | 1.4%) | Rockford Riptide | 03/07/2026 | 2026 Lake Michigan Regional Meet | |
| 3698 | Khalil Little | 43.49 | 6 | B Min | BB: 42.89 (+0.60s | 1.4%) | DeKalb Aquatics | 01/16/2026 | 2026 SE Ralph Crocker Classic | |
| 3699 | Ryan Song | 43.49 | 8 | B Min | BB: 42.89 (+0.60s | 1.4%) | Wasc | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 3700 | Hunter Bracke | 43.49 | 10 | B Min | BB: 42.89 (+0.60s | 1.4%) | Blue Tide Aquatics | 01/17/2025 | 2025 TWST Speedo Winter Classic Invitational | |
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.