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 | |
|---|---|---|---|---|---|---|---|---|---|
| 5651 | Parker Birkelbach | 48.22 | 10 | B Min | BB: 42.89 (+5.33s | 11.1%) | Unattached | 01/17/2026 | 2026 ST AAAA NS Frostbite | |
| 5652 | Knox Inhelder | 48.22 | 9 | B Min | BB: 42.89 (+5.33s | 11.1%) | Denver Triton Swim Team | 12/14/2025 | 2025 CO FORM Winter Open | |
| 5653 | Henry Stone | 48.22 | 8 | B Min | BB: 42.89 (+5.33s | 11.1%) | City of Mobile Swim Associatio | 01/16/2026 | 2026 GPAC Winter Invitational | |
| 5654 | Corbin Elsea | 48.22 | 10 | B Min | BB: 42.89 (+5.33s | 11.1%) | St Johns Sea Lions | 02/15/2026 | 2026 MTSL Championship | |
| 5655 | Ethan Box | 48.22 | 10 | B Min | BB: 42.89 (+5.33s | 11.1%) | Unattached | 07/25/2026 | 2026 FL Summer Area 2 Championships Working | |
| 5656 | Haku Rozet | 48.22 | 10 | B Min | BB: 42.89 (+5.33s | 11.1%) | Punahou Aquatics Institute | 10/24/2026 | 2026 HI 26th Annual Bill Smith Invitational | |
| 5657 | Travis Busch | 48.22 | 10 | B Min | BB: 42.89 (+5.33s | 11.1%) | Medina Valley Swim Club | 12/20/2024 | 2024 ST SASA Tis The Season | |
| 5658 | Jonah Dempsey | 48.22 | 9 | B Min | BB: 42.89 (+5.33s | 11.1%) | Saluki Swim Club | 09/19/2026 | 2026 RCA Fall Classic | |
| 5659 | Parker Swinehart | 48.23 | 9 | B Min | BB: 42.89 (+5.34s | 11.1%) | Hydra Aquatics | 11/21/2025 | 2025 Fall Festivus | |
| 5660 | Jackson Williams | 48.23 | 9 | B Min | BB: 42.89 (+5.34s | 11.1%) | Swim Omaha | 01/24/2026 | 2026 MW LSS Winterfest | |
| 5661 | Ezra Ukaejiofo | 48.23 | 9 | B Min | BB: 42.89 (+5.34s | 11.1%) | Prince William Swim Club | 02/13/2026 | 2026 Northern District 12 Under Championship | |
| 5662 | Colin Lan | 48.23 | 8 | B Min | BB: 42.89 (+5.34s | 11.1%) | Tnt Swimming | 01/16/2026 | 2026 GPAC Winter Invitational | |
| 5663 | Ethan Khassine | 48.23 | 8 | B Min | BB: 42.89 (+5.34s | 11.1%) | Nitro Swimming | 09/18/2026 | 2026 ST AQTX Round Rock Unclassified | |
| 5664 | Liam Brown | 48.23 | 8 | B Min | BB: 42.89 (+5.34s | 11.1%) | Northern KY Clippers | 10/23/2026 | 2026 CLPR Halloween Meet | |
| 5665 | Arjun Niranjan Shetty | 48.24 | 8 | B Min | BB: 42.89 (+5.35s | 11.1%) | South Valley Makos | 04/26/2025 | Pacific Swimming 10 Under SC Championships | |
| 5666 | Tobias Drazin | 48.24 | 9 | B Min | BB: 42.89 (+5.35s | 11.1%) | Atlantis Swimming | 01/16/2026 | 2026 Odd Age Classic | |
| 5667 | Bentley Le | 48.24 | 9 | B Min | BB: 42.89 (+5.35s | 11.1%) | Aggie Swim Club | 02/09/2025 | Ags 020925 Intrasquad Meet | |
| 5668 | Frederick Wong | 48.24 | 9 | B Min | BB: 42.89 (+5.35s | 11.1%) | Long Island Aquatic Club | 03/27/2026 | 2026 MR Bronze Championship South LIE | |
| 5669 | Anson Xu | 48.24 | 10 | B Min | BB: 42.89 (+5.35s | 11.1%) | Marlins Of Raleigh | 01/16/2026 | 2026 RSA Winter Tri | |
| 5670 | Seungwoo Kwon | 48.24 | 10 | B Min | BB: 42.89 (+5.35s | 11.1%) | El Cerrito Gators | 11/08/2025 | Albany Armada Aquatics C B BB+ Meet | |
| 5671 | Aaron Castro | 48.24 | 9 | B Min | BB: 42.89 (+5.35s | 11.1%) | San Antonio Wave | 10/10/2025 | 2025 ST SASA Sombrero Series Dos Copied | |
| 5672 | Levi Roncone | 48.24 | 9 | B Min | BB: 42.89 (+5.35s | 11.1%) | Laker Swim | 10/17/2026 | 2026 Laker IMX Showdown | |
| 5673 | Samuel Bruce | 48.24 | 9 | B Min | BB: 42.89 (+5.35s | 11.1%) | Palo Alto Stanford Aquatics | 10/24/2026 | SUNN Fall Classic 2026 | |
| 5674 | Braxton Williams | 48.25 | 10 | B Min | BB: 42.89 (+5.36s | 11.1%) | Bemidji Area Super Swimmers | 02/14/2026 | 2026 MN NLSA Marlins Swimming FEBRUARY Invite | |
| 5675 | Daniel Swift | 48.25 | 10 | B Min | BB: 42.89 (+5.36s | 11.1%) | CAC Stingrays Swim Team | 01/02/2026 | 2026 CO COSA New Year Open | |
| 5676 | John Schultink | 48.25 | 8 | B Min | BB: 42.89 (+5.36s | 11.1%) | Seattle Metropolitan Aquatic C | 02/08/2026 | 2026 PN SMAC February Mini Meet Approved | |
| 5677 | Declan Kana | 48.25 | 9 | B Min | BB: 42.89 (+5.36s | 11.1%) | First Colony Swim Team, Inc. | 11/08/2024 | Sharks November Invitational | |
| 5678 | Aayansh Sharma | 48.26 | 9 | B Min | BB: 42.89 (+5.37s | 11.1%) | Long Island Aquatic Club | 01/30/2026 | 2026 MR SSC Polar Bear Plunge | |
| 5679 | Jack Fowler | 48.26 | 9 | B Min | BB: 42.89 (+5.37s | 11.1%) | Westerly-Pawcatuck Y Dolphins | 01/24/2026 | 2026 NE KCY New Year S Splash | |
| 5680 | Walter Banerjee | 48.26 | 9 | B Min | BB: 42.89 (+5.37s | 11.1%) | The Fish | 10/18/2025 | 2025 AAC Fall Gator Mini Meet | |
| 5681 | Alexander Valmont | 48.26 | 8 | B Min | BB: 42.89 (+5.37s | 11.1%) | The Fish | 10/18/2025 | 2025 AAC Fall Gator Mini Meet | |
| 5682 | Jason Gu | 48.26 | 9 | B Min | BB: 42.89 (+5.37s | 11.1%) | Waterloo Swimming | 10/18/2026 | 2026 ST TXLA 10 U Fall Kick Off Invite | |
| 5683 | Henry Nguyen | 48.26 | 10 | B Min | BB: 42.89 (+5.37s | 11.1%) | Aquatex Swim & Water Polo Team | 10/23/2026 | 2026 ST AQTX FNR 10232026 | |
| 5684 | William Betancourt | 48.26 | 10 | B Min | BB: 42.89 (+5.37s | 11.1%) | Cyclones Swim Team | 10/23/2026 | SoFlo 10 Under Fall Sizzler | |
| 5685 | Nathan Kern | 48.28 | 10 | B Min | BB: 42.89 (+5.39s | 11.2%) | VillaSport Swim Team | 02/21/2025 | 2025 Gulf 12 Under Champs (TASC) | |
| 5686 | Jackson Ferreras | 48.28 | 10 | B Min | BB: 42.89 (+5.39s | 11.2%) | Miami County Day Aquatic | 02/14/2026 | NMST BMHG February BC Invite 26 | |
| 5687 | Anders Henriksen | 48.28 | 9 | B Min | BB: 42.89 (+5.39s | 11.2%) | Stingray Swim Team | 05/15/2026 | 2026 PN SRST Pacific Coast Invitational App | |
| 5688 | Vedant Tomar | 48.28 | 9 | B Min | BB: 42.89 (+5.39s | 11.2%) | California Dolphins Swim Team | 09/19/2026 | PC LAC C B BB 26 Copied | |
| 5689 | Sasha Ivanov | 48.29 | 10 | B Min | BB: 42.89 (+5.40s | 11.2%) | Fairfax Foxes Swimming | 11/21/2025 | 2025 Swim Rock | |
| 5690 | Carter McDonald | 48.29 | 9 | B Min | BB: 42.89 (+5.40s | 11.2%) | Seattle Metropolitan Aquatic C | 10/18/2025 | 2025 PN VAST Fall Classic | |
| 5691 | Shlok Gandhi | 48.29 | 9 | B Min | BB: 42.89 (+5.40s | 11.2%) | Scarlet Aquatics | 06/06/2026 | 2026 Scarlet Summer Blast | |
| 5692 | Greyson Donolli | 48.29 | 9 | B Min | BB: 42.89 (+5.40s | 11.2%) | Swim Gym | 09/19/2026 | 2026 DSC Season Opener Invite | |
| 5693 | Daniel Dunbabin | 48.29 | 10 | B Min | BB: 42.89 (+5.40s | 11.2%) | Olympic Cascade Aquatics | 10/03/2026 | 2026 PN OCA John Walker Invitational Approve | |
| 5694 | Rudra Bhardwaj | 48.30 | 9 | B: 48.29 (+0.01s | 0.0%) | Alto Swim Club | 03/07/2026 | DACA CBA Meet | ||
| 5695 | Bryan Moore | 48.30 | 10 | B: 48.29 (+0.01s | 0.0%) | Watauga Swim Team | 02/14/2026 | 12th Annual Chris Peterson Invitational | ||
| 5696 | Daniel Volynets | 48.30 | 10 | B: 48.29 (+0.01s | 0.0%) | Swim Fort Lauderdale | 11/01/2025 | Piranhas Turkey Classic 2025 | ||
| 5697 | Camdil Anyalebechi | 48.30 | 9 | B: 48.29 (+0.01s | 0.0%) | Centreville Swim Club | 02/07/2026 | 2026 MAKO QUALIFIER | ||
| 5698 | Sean Liu | 48.30 | 10 | B: 48.29 (+0.01s | 0.0%) | DeAnza Cupertino Aquatics | 10/03/2026 | 2026 De Anza Cupertino Aquatics SC CBA Meet | ||
| 5699 | Austin Wu | 48.30 | 10 | B: 48.29 (+0.01s | 0.0%) | Wave Aquatics | 06/19/2026 | 2026 PN SRST Summer Invitational Approved | ||
| 5700 | Ethan Lai | 48.30 | 9 | B: 48.29 (+0.01s | 0.0%) | Nitro Swimming | 10/18/2026 | 2026 ST TXLA 10 U Fall Kick Off Invite | ||
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.