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 | |
|---|---|---|---|---|---|---|---|---|---|
| 3551 | Cooper Shook | 44.56 | 9 | B Min | BB: 42.89 (+1.67s | 3.7%) | SwimRVA | 11/22/2025 | Bass Turkey Classic 2025 | |
| 3552 | Sidhanth Telang | 44.56 | 9 | B Min | BB: 42.89 (+1.67s | 3.7%) | Shoals Aquatic Club | 10/16/2026 | 2026 HSA Fran Norris Meet | |
| 3553 | Bryan LI | 44.57 | 8 | B Min | BB: 42.89 (+1.68s | 3.8%) | Twisters Swim Club | 01/24/2026 | 2026 MR FLY Fran Schnarr Sprint Pentathlon Me | |
| 3554 | Jack Griego | 44.57 | 9 | B Min | BB: 42.89 (+1.68s | 3.8%) | Waterloo Swimming | 12/05/2025 | 2025 ST LSAC 5th Annual Graceland | |
| 3555 | Tyler Groth | 44.57 | 10 | B Min | BB: 42.89 (+1.68s | 3.8%) | Atlantis Swimming | 10/17/2025 | 2025 OLY Fall Classic | |
| 3556 | Gordon Song | 44.57 | 9 | B Min | BB: 42.89 (+1.68s | 3.8%) | Arctic Aquatics | 05/01/2026 | 2026 NE ARCT Spring Specialty Meet | |
| 3557 | Jeffrey Xin | 44.57 | 8 | B Min | BB: 42.89 (+1.68s | 3.8%) | Aquazot Swim Club | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 3558 | Jonah Ure | 44.57 | 10 | B Min | BB: 42.89 (+1.68s | 3.8%) | Planet Swim Aquatics | 10/10/2026 | 2026 PSA Halloween Invitational | |
| 3559 | Colson Mou | 44.57 | 9 | B Min | BB: 42.89 (+1.68s | 3.8%) | South San Francisco Aquatics | 10/24/2026 | PSL Pumpkin Spice Splash | |
| 3560 | Santiago Diaz | 44.58 | 9 | B Min | BB: 42.89 (+1.69s | 3.8%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 3561 | Edward Strok | 44.58 | 8 | B Min | BB: 42.89 (+1.69s | 3.8%) | Asphalt Green Unified Aquatics | 03/07/2026 | 2026 MR Metro 8 Under Championships | |
| 3562 | Oliver Song | 44.58 | 10 | B Min | BB: 42.89 (+1.69s | 3.8%) | H2okie Aquatics | 11/07/2025 | 2025 HOKI November Invitational Copied | |
| 3563 | Haomiao Zhuang | 44.58 | 8 | B Min | BB: 42.89 (+1.69s | 3.8%) | Santa Clara Swim Club | 09/19/2026 | 2026 Milpitas Aquatic Club Season Kick Off | |
| 3564 | Luca Platko | 44.58 | 10 | B Min | BB: 42.89 (+1.69s | 3.8%) | Inland Coastal Aquatic Club | 08/08/2026 | 2026 SI WIND All Ages NTS Wrap Up Meet | |
| 3565 | Jeonghoo Kong | 44.58 | 10 | B Min | BB: 42.89 (+1.69s | 3.8%) | Waterloo Swimming | 10/18/2026 | 2026 ST TXLA 10 U Fall Kick Off Invite | |
| 3566 | Lucas LeJanairo | 44.58 | 9 | B Min | BB: 42.89 (+1.69s | 3.8%) | DeAnza Cupertino Aquatics | 10/03/2026 | 2026 De Anza Cupertino Aquatics SC CBA Meet | |
| 3567 | Owen Cook | 44.59 | 9 | B Min | BB: 42.89 (+1.70s | 3.8%) | South Central Swimming | 02/07/2026 | 2026 Grand Rapids Open | |
| 3568 | Cooper Francis | 44.59 | 9 | B Min | BB: 42.89 (+1.70s | 3.8%) | Nova of Virginia | 11/22/2025 | NOVA Cranberry Contender | |
| 3569 | Ethan Shindelman | 44.59 | 9 | B Min | BB: 42.89 (+1.70s | 3.8%) | Sussex County YMCA | 10/25/2025 | 2025 MR MWDA YBAR Heats And Treats | |
| 3570 | Owen Sherman | 44.59 | 10 | B Min | BB: 42.89 (+1.70s | 3.8%) | Ukiah Dolphins | 07/25/2026 | 2026 REAL Championships | |
| 3571 | Jack Tighe | 44.59 | 10 | B Min | BB: 42.89 (+1.70s | 3.8%) | Mariemont Ohio Swim Team | 10/23/2026 | 2026 CLPR Halloween Meet | |
| 3572 | Shepherd Belka | 44.59 | 10 | B Min | BB: 42.89 (+1.70s | 3.8%) | East Aurora Swim Team | 10/10/2026 | 2026 Super STAR Series #1 | |
| 3573 | Aidan Hodges | 44.59 | 10 | B Min | BB: 42.89 (+1.70s | 3.8%) | Southwest Aquatic Warriors | 10/24/2026 | 2026 ST NIST Spooky Splash | |
| 3574 | Sammy Tampubolon | 44.60 | 8 | B Min | BB: 42.89 (+1.71s | 3.8%) | Machine Aquatics | 03/20/2026 | March Madness 2026 | |
| 3575 | Benjamin Maltz | 44.60 | 9 | B Min | BB: 42.89 (+1.71s | 3.8%) | Club Wolverine | 03/07/2026 | 2026 Lake Ontario Regional Meet | |
| 3576 | Beau Connelly | 44.60 | 10 | B Min | BB: 42.89 (+1.71s | 3.8%) | Los Gatos Swim Club | 02/08/2025 | Swim South Bay | |
| 3577 | Octavio Bejarano Barraza | 44.60 | 10 | B Min | BB: 42.89 (+1.71s | 3.8%) | Centro Acuatico Universitario | 12/19/2025 | 2025 BD Leo Cancellare Memorial Swim Meet | |
| 3578 | Jonathan Fosheim | 44.60 | 10 | B Min | BB: 42.89 (+1.71s | 3.8%) | Webster Swim Team | 08/01/2026 | 2026 SD Seasonal State Championship | |
| 3579 | Patrick McAuliff | 44.60 | 7 | B Min | BB: 42.89 (+1.71s | 3.8%) | Edina Swim Club | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 3580 | Benjamin Justus | 44.60 | 10 | B Min | BB: 42.89 (+1.71s | 3.8%) | Greater Tampa Swim Association | 02/06/2026 | CVST Sweetheart Meet | |
| 3581 | Richard O'Brien | 44.61 | 10 | B Min | BB: 42.89 (+1.72s | 3.9%) | North Kent Aquatic Team | 03/07/2026 | 2026 Lake Michigan Regional Meet | |
| 3582 | Carter Nevitt | 44.61 | 9 | B Min | BB: 42.89 (+1.72s | 3.9%) | Catawba Valley Aquatic Club | 03/20/2026 | 2026 BRSL Championships | |
| 3583 | Adrian Karimov | 44.61 | 9 | B Min | BB: 42.89 (+1.72s | 3.9%) | Bravo Swim Team | 09/19/2026 | 2026 DSC Season Opener Invite | |
| 3584 | Adrian Gutierrez | 44.61 | 10 | B Min | BB: 42.89 (+1.72s | 3.9%) | Gulliver Swim Club | 08/22/2026 | NMST Relay Invite 26 | |
| 3585 | Micah Burger | 44.61 | 10 | B Min | BB: 42.89 (+1.72s | 3.9%) | Pikes Peak Athletics | 10/16/2026 | 2026 CO PPA Harvest Heats | |
| 3586 | Wesley Draper | 44.62 | 9 | B Min | BB: 42.89 (+1.73s | 3.9%) | Drop Aquatics | 02/27/2026 | 2026 MCSA Junior Cup | |
| 3587 | Lucas Ramos | 44.62 | 7 | B Min | BB: 42.89 (+1.73s | 3.9%) | New York Sharks Aquatics | 01/31/2026 | 2026 MR MWDA YBAR Sink Or Swim Invitational | |
| 3588 | Benjamin Velitskiy | 44.62 | 9 | B Min | BB: 42.89 (+1.73s | 3.9%) | Freedom Aquatics | 02/07/2026 | 2026 MR FREE Championships Meets Qualifier | |
| 3589 | Max Deckert | 44.62 | 10 | B Min | BB: 42.89 (+1.73s | 3.9%) | Quince Orchard Swim Academy | 02/01/2026 | 2026 Little Blue Penguin Pentathlon | |
| 3590 | Christian Gross | 44.62 | 10 | B Min | BB: 42.89 (+1.73s | 3.9%) | Annapolis Swim Club | 05/02/2026 | 2026 MAC May Hem Mini Meet | |
| 3591 | Tomas Barrios Vivas | 44.62 | 10 | B Min | BB: 42.89 (+1.73s | 3.9%) | YMCA of Central Florida | 07/25/2026 | 2026 FL Summer Area 2 Championships Working | |
| 3592 | Ezekiel Ribellia | 44.62 | 9 | B Min | BB: 42.89 (+1.73s | 3.9%) | Velocity Swimming | 04/25/2026 | 2026 IE VS James Elwyn Memorial Progressive | |
| 3593 | Eli Kerley | 44.62 | 10 | B Min | BB: 42.89 (+1.73s | 3.9%) | Treasure Coast Swimming | 10/11/2025 | TCSC Fall Invitational | |
| 3594 | Lucas Li | 44.62 | 9 | B Min | BB: 42.89 (+1.73s | 3.9%) | Alto Swim Club | 10/24/2026 | BAC SPOOKY FALL CLASSIC | |
| 3595 | Nathaniel Haley | 44.63 | 9 | B Min | BB: 42.89 (+1.74s | 3.9%) | Somerville YMCA | 03/21/2026 | 2026 NE YNS YMCA New England Championship | |
| 3596 | Jeon Spears | 44.63 | 10 | B Min | BB: 42.89 (+1.74s | 3.9%) | COSA Swimming | 10/09/2026 | 2026 CO Gian Luc Jordan Open | |
| 3597 | Aiden Huang | 44.64 | 8 | B Min | BB: 42.89 (+1.75s | 3.9%) | Riptide Swim Team | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 3598 | Declan Trainer | 44.64 | 7 | B Min | BB: 42.89 (+1.75s | 3.9%) | Socal Aquatics Association | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 3599 | Bowman Smith | 44.64 | 9 | B Min | BB: 42.89 (+1.75s | 3.9%) | Thunderbird Aquatic Club | 03/28/2026 | 2026 PN Spring Showdown, Div 3 Approved | |
| 3600 | Charles Thomas | 44.64 | 10 | B Min | BB: 42.89 (+1.75s | 3.9%) | Excel Aquatics | 12/13/2025 | 2025 Ho Ho Ho Holiday 12 Under 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.