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 | |
|---|---|---|---|---|---|---|---|---|---|
| 5851 | Thaddeus Roberts | 48.17 | 9 | B Min | BB: 42.89 (+5.28s | 11.0%) | Boise YMCA Swim Team | 01/25/2025 | 2025 BY January Winter Invitational | |
| 5852 | Nathan Ebbeling | 48.17 | 8 | B Min | BB: 42.89 (+5.28s | 11.0%) | YMCA of Austin Swim Alliance | 12/13/2025 | 2025 ST SRG HOHOHO Howorth Classic | |
| 5853 | Sawyer Andrews | 48.17 | 9 | B Min | BB: 42.89 (+5.28s | 11.0%) | Mission Aurora Colorado Swimmi | 01/03/2026 | 2026 CO MACS Winter Invitationak | |
| 5854 | Nicholas Ballard | 48.18 | 9 | B Min | BB: 42.89 (+5.29s | 11.0%) | Battlefield Area Star Swimmers | 02/13/2026 | 2026 Northern District 12 Under Championship | |
| 5855 | William Anderson | 48.18 | 9 | B Min | BB: 42.89 (+5.29s | 11.0%) | Aquaventure Riptides | 01/10/2026 | 2026 RMY Winter Invitational | |
| 5856 | Milo Parrocha-Lambert | 48.18 | 9 | B Min | BB: 42.89 (+5.29s | 11.0%) | Seattle Metropolitan Aquatic C | 04/25/2026 | 2026 PN SSCD Spring Open Approved | |
| 5857 | Jeongdam Kong | 48.19 | 10 | B Min | BB: 42.89 (+5.30s | 11.0%) | Waterloo Swimming | 02/01/2026 | 2026 ST WLOO February Splash | |
| 5858 | Holden Hoffman | 48.19 | 9 | B Min | BB: 42.89 (+5.30s | 11.0%) | Terrapins Swim Team | 10/18/2025 | PC SRVA SCY B BB+ Meet | |
| 5859 | Edwyn Chou | 48.19 | 10 | B Min | BB: 42.89 (+5.30s | 11.0%) | First Colony Swim Team, Inc. | 12/20/2024 | 2024 Gulf Fall Champs (ESCA AMBU) | |
| 5860 | Joshua Noel | 48.19 | 10 | B Min | BB: 42.89 (+5.30s | 11.0%) | Carolina Aquatic Team | 03/26/2026 | 2026 NCAC Spring Tar Heel States Copied | |
| 5861 | Jonathan Fosheim | 48.19 | 10 | B Min | BB: 42.89 (+5.30s | 11.0%) | Webster Swim Team | 06/30/2026 | 2026 SD Webster Fun Meet | |
| 5862 | Alexander Woodard | 48.19 | 9 | B Min | BB: 42.89 (+5.30s | 11.0%) | COSA Swimming | 12/19/2025 | 2025 CO Falfins Holiday Open | |
| 5863 | James Parrish | 48.20 | 10 | B Min | BB: 42.89 (+5.31s | 11.0%) | Southwest Stars Swim Club | 11/15/2024 | 2024 Patriot Aquatics Winter Invite | |
| 5864 | Lucas Workman | 48.20 | 9 | B Min | BB: 42.89 (+5.31s | 11.0%) | Hanover Aquatics | 12/04/2025 | 2025 RAYS Nutcracker Classic Copied | |
| 5865 | Jasper Rickert | 48.20 | 10 | B Min | BB: 42.89 (+5.31s | 11.0%) | Morgan Family Sea Dragons | 01/11/2025 | 2025 PN PSSA Snowman Invite Approved | |
| 5866 | Jack Faber | 48.20 | 10 | B Min | BB: 42.89 (+5.31s | 11.0%) | Northglenn Fusion Swim Club | 12/12/2025 | 2025 CO NJ Blizzard Invite | |
| 5867 | Liam Saenz-Pazmino | 48.20 | 10 | B Min | BB: 42.89 (+5.31s | 11.0%) | Indian River Aquatics | 06/26/2026 | 2026 Summer Area 6 Champs | |
| 5868 | Jackson Waite | 48.20 | 9 | B Min | BB: 42.89 (+5.31s | 11.0%) | Nitro Swimming | 09/06/2025 | 2025 ST NTRO Stephen J Wolleben Memorial Meet | |
| 5869 | Ethan Parker | 48.21 | 9 | B Min | BB: 42.89 (+5.32s | 11.0%) | Metro Marlins Swim Team | 01/24/2026 | 2026 MN Tuna Frozen Festival | |
| 5870 | Henry Krovitz | 48.21 | 10 | B Min | BB: 42.89 (+5.32s | 11.0%) | Univ. of Denver Hilltoppers | 03/15/2025 | 2025 CO TOPS SCY Finale | |
| 5871 | Aaron Yoon | 48.21 | 9 | B Min | BB: 42.89 (+5.32s | 11.0%) | Pipeline Swimming | 02/07/2025 | CVST Sweetheart Meet | |
| 5872 | Corbin Elsea | 48.22 | 10 | B Min | BB: 42.89 (+5.33s | 11.1%) | St Johns Sea Lions | 02/15/2026 | 2026 MTSL Championship | |
| 5873 | 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 | |
| 5874 | 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 | |
| 5875 | 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 | |
| 5876 | Parker Birkelbach | 48.22 | 10 | B Min | BB: 42.89 (+5.33s | 11.1%) | Unattached | 01/17/2026 | 2026 ST AAAA NS Frostbite | |
| 5877 | 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 | |
| 5878 | Colin Lan | 48.23 | 8 | B Min | BB: 42.89 (+5.34s | 11.1%) | Tnt Swimming | 01/16/2026 | 2026 GPAC Winter Invitational | |
| 5879 | Parker Swinehart | 48.23 | 9 | B Min | BB: 42.89 (+5.34s | 11.1%) | Hydra Aquatics | 11/21/2025 | 2025 Fall Festivus | |
| 5880 | Joshua Park | 48.23 | 9 | B Min | BB: 42.89 (+5.34s | 11.1%) | Seattle Metropolitan Aquatic C | 10/04/2025 | 2025 PN SMAC Fall Kick Off Invitational | |
| 5881 | Jordan Jaeggi | 48.23 | 9 | B Min | BB: 42.89 (+5.34s | 11.1%) | Pine Crest Swimming | 01/16/2026 | 2026 Speedo SoFlo Open | |
| 5882 | Jackson Williams | 48.23 | 9 | B Min | BB: 42.89 (+5.34s | 11.1%) | Swim Omaha | 01/24/2026 | 2026 MW LSS Winterfest | |
| 5883 | 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 | |
| 5884 | Bentley Le | 48.24 | 9 | B Min | BB: 42.89 (+5.35s | 11.1%) | Aggie Swim Club | 02/09/2025 | Ags 020925 Intrasquad Meet | |
| 5885 | Tobias Drazin | 48.24 | 9 | B Min | BB: 42.89 (+5.35s | 11.1%) | Atlantis Swimming | 01/16/2026 | 2026 Odd Age Classic | |
| 5886 | 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 | |
| 5887 | 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 | |
| 5888 | Anson Xu | 48.24 | 10 | B Min | BB: 42.89 (+5.35s | 11.1%) | Marlins Of Raleigh | 01/16/2026 | 2026 RSA Winter Tri | |
| 5889 | 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 | |
| 5890 | Rex Landry | 48.24 | 9 | B Min | BB: 42.89 (+5.35s | 11.1%) | Treasure Coast Aquatics | 01/24/2026 | 2026 TCA Winter Open | |
| 5891 | 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 | |
| 5892 | 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 | |
| 5893 | 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 | |
| 5894 | 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 | |
| 5895 | Noah Gonzales | 48.25 | 10 | B Min | BB: 42.89 (+5.36s | 11.1%) | South San Francisco Aquatics | 11/14/2025 | PSL Pumpkin Spice Lovers 25 129 | |
| 5896 | 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 | |
| 5897 | 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 | |
| 5898 | 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 | |
| 5899 | 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 | |
| 5900 | Grayson Figel | 48.26 | 10 | B Min | BB: 42.89 (+5.37s | 11.1%) | The Capitol Sea Devils | 10/25/2025 | 2025 PV Monster Mash | |
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.