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 | |
|---|---|---|---|---|---|---|---|---|---|
| 4851 | Lucas Estepa | 46.38 | 10 | B Min | BB: 42.89 (+3.49s | 7.5%) | Lakeridge Swim Team | 02/07/2025 | 2025 Valentines Day Age Group Open | |
| 4852 | Kit Lafoon | 46.38 | 9 | B Min | BB: 42.89 (+3.49s | 7.5%) | YMCA OF Western North Carolina | 01/17/2026 | 2026 AJCC Snowball Ramble Meet | |
| 4853 | Louie Roedersheimer | 46.39 | 10 | B Min | BB: 42.89 (+3.50s | 7.5%) | Cincinnati Marlins | 02/19/2026 | 2026 OH CM SC Regional Championships | |
| 4854 | Brayden Chen | 46.39 | 9 | B Min | BB: 42.89 (+3.50s | 7.5%) | Mei\\\\\\'s Typhoons Swimming Club | 06/07/2026 | 2026 NE NSSC June Invitational At BC High | |
| 4855 | Joseph Hager | 46.39 | 10 | B Min | BB: 42.89 (+3.50s | 7.5%) | Rogue Rapids | 11/21/2025 | 2025 Rogue Rapids Sofia Marks Invitational | |
| 4856 | Aaron Falkowitz | 46.39 | 9 | B Min | BB: 42.89 (+3.50s | 7.5%) | The Capitol Sea Devils | 03/20/2026 | March Madness 2026 | |
| 4857 | Gavin Shaffer | 46.39 | 8 | B Min | BB: 42.89 (+3.50s | 7.5%) | Occoquan Swimming | 12/11/2025 | 2025 East Coast WinterFest | |
| 4858 | Ronan Afzali | 46.39 | 8 | B Min | BB: 42.89 (+3.50s | 7.5%) | Dedham Health Hydra | 01/30/2026 | 2026 NE GS Silver Championships | |
| 4859 | Edward Miles | 46.39 | 8 | B Min | BB: 42.89 (+3.50s | 7.5%) | Waterloo Swimming | 01/17/2026 | 2026 ST AQTX B Champs North | |
| 4860 | Albert Jing | 46.39 | 8 | B Min | BB: 42.89 (+3.50s | 7.5%) | Santa Clara Swim Club | 03/28/2026 | Swim South Bay | |
| 4861 | Alexander Hunley | 46.40 | 8 | B Min | BB: 42.89 (+3.51s | 7.6%) | 757swim | 01/09/2026 | 2026 757swim Splash And Dash | |
| 4862 | Samuel Miller | 46.40 | 9 | B Min | BB: 42.89 (+3.51s | 7.6%) | Battle Creek YMCA - Sturgis | 02/21/2026 | 2026 Michigan YMCA Clusters Championship | |
| 4863 | Matthew Sprigg | 46.40 | 9 | B Min | BB: 42.89 (+3.51s | 7.6%) | Loyola Blakefield Aquatics | 03/13/2026 | 2026 Speedo Maryland Junior Championship Si | |
| 4864 | Neeson Ayers | 46.40 | 8 | B Min | BB: 42.89 (+3.51s | 7.6%) | Pikes Peak Athletics | 01/10/2026 | 2026 CO PPA January Meet | |
| 4865 | Liam Jones | 46.40 | 9 | B Min | BB: 42.89 (+3.51s | 7.6%) | North Bay Aquatics | 09/20/2025 | WANV CBA+ Endless Summer Meet | |
| 4866 | Alvin Huang | 46.40 | 10 | B Min | BB: 42.89 (+3.51s | 7.6%) | Centreville Swim Club | 10/18/2025 | 2025 NCAP Autumn Kingfish Splash | |
| 4867 | Jeremy Hinton | 46.41 | 9 | B Min | BB: 42.89 (+3.52s | 7.6%) | Mason Makos Swim Team | 03/21/2026 | 2026 MAKO SPRING FLING | |
| 4868 | Oliver Garcia | 46.41 | 10 | B Min | BB: 42.89 (+3.52s | 7.6%) | Four Corners Aquatic Team | 04/17/2026 | 2026 CO Jolean Scott Memorial | |
| 4869 | Easton Young | 46.41 | 10 | B Min | BB: 42.89 (+3.52s | 7.6%) | Moraga Country Club | 11/10/2024 | Fall Jamboree Invitational 2024 | |
| 4870 | Fisher McCain | 46.41 | 8 | B Min | BB: 42.89 (+3.52s | 7.6%) | Starkville Swim Team | 11/21/2025 | 2025 Tiger Turkey Tumble | |
| 4871 | Everett Keyler | 46.41 | 9 | B Min | BB: 42.89 (+3.52s | 7.6%) | Wright County Wave Swim Club | 02/27/2026 | 2026 MN STRM Minnesota Regional Championship | |
| 4872 | Levi Durden | 46.41 | 8 | B Min | BB: 42.89 (+3.52s | 7.6%) | Riptide Aquatics | 04/18/2026 | 2026 BMAC Spring Speed Challenge | |
| 4873 | Grayson Bennett | 46.41 | 8 | B Min | BB: 42.89 (+3.52s | 7.6%) | Spokane Waves Aquatic Team | 02/13/2026 | (Pullman) 2026 IES Jr Champs | |
| 4874 | Terrence Li | 46.41 | 7 | B Min | BB: 42.89 (+3.52s | 7.6%) | Rockville Montgomery Swim Club | 12/06/2025 | 2025 Reindeer Mini Meet | |
| 4875 | Wyatt DuPlissey | 46.41 | 9 | B Min | BB: 42.89 (+3.52s | 7.6%) | Monocacy Aquatic Club | 03/21/2026 | 2026 Maryland 9 10 B Championship Meet | |
| 4876 | Lucas Westman | 46.41 | 9 | B Min | BB: 42.89 (+3.52s | 7.6%) | Benton Harbor-St. Joseph YMCA | 03/07/2026 | 2026 Michigan YMCA State Championship | |
| 4877 | Rufus Nagygyorgy | 46.41 | 10 | B Min | BB: 42.89 (+3.52s | 7.6%) | Swim Fort Lauderdale | 01/23/2026 | SPEEDO CUP CLOSED INVITE Copied | |
| 4878 | Lucas DeGaetani | 46.42 | 9 | B Min | BB: 42.89 (+3.53s | 7.6%) | Aquawolves Swimming | 02/14/2026 | 2026 CO AQUA February Home Meet | |
| 4879 | Sebastian Guerra | 46.42 | 10 | B Min | BB: 42.89 (+3.53s | 7.6%) | Bellingham Bay Swim Team | 03/06/2026 | 2026 BBST Seize The Day Invitational | |
| 4880 | Samuel Ollestad | 46.42 | 8 | B Min | BB: 42.89 (+3.53s | 7.6%) | Lone Star Aquatic Club | 12/05/2025 | 2025 ST LSAC 5th Annual Graceland | |
| 4881 | Luca Likely | 46.42 | 10 | B Min | BB: 42.89 (+3.53s | 7.6%) | Rochester Swim Club | 02/27/2026 | 2026 MN RSC Minnesota Regional Championship | |
| 4882 | Jagger Kosch | 46.43 | 8 | B Min | BB: 42.89 (+3.54s | 7.6%) | Oly Swimming | 11/14/2025 | OLY Swimming Turkey Bowl | |
| 4883 | Jake Gehlert | 46.43 | 9 | B Min | BB: 42.89 (+3.54s | 7.6%) | Redmond | 05/29/2026 | Piedmont Swim Team Club Championships | |
| 4884 | Eli Northington | 46.43 | 8 | B Min | BB: 42.89 (+3.54s | 7.6%) | Plymouth Canton Cruisers | 03/07/2026 | 2026 Lake Ontario Regional Meet | |
| 4885 | Raphael Lynch | 46.43 | 9 | B Min | BB: 42.89 (+3.54s | 7.6%) | Westchester Aquatic Club | 01/23/2026 | 2026 MR PAC Winter Classic Invitational | |
| 4886 | Kole Martin | 46.44 | 10 | B Min | BB: 42.89 (+3.55s | 7.6%) | Martinsville Marlins | 03/07/2026 | PYSA Champs 2026 | |
| 4887 | Keo Strong | 46.44 | 9 | B Min | BB: 42.89 (+3.55s | 7.6%) | Piedmont Swim Team | 05/29/2026 | Piedmont Swim Team Club Championships | |
| 4888 | Lincoln Zolnierek | 46.45 | 10 | B Min | BB: 42.89 (+3.56s | 7.7%) | Annapolis Swim Club | 03/21/2026 | 2026 Maryland 9 10 B Championship Meet | |
| 4889 | Richard Li | 46.45 | 9 | B Min | BB: 42.89 (+3.56s | 7.7%) | Monocacy Aquatic Club | 03/13/2026 | 2026 Speedo Maryland Junior Championship Si | |
| 4890 | Luca Yont-Schmitt | 46.45 | 10 | B Min | BB: 42.89 (+3.56s | 7.7%) | YMCA of Central Florida | 01/17/2026 | 2026 GOAT TYR Team Challenge And SYOA | |
| 4891 | Johnathan Velez | 46.45 | 8 | B Min | BB: 42.89 (+3.56s | 7.7%) | Beach Swim Club | 02/13/2026 | 34th Annual Lost Dutchman Invitational | |
| 4892 | Aleksei Novik | 46.45 | 10 | B Min | BB: 42.89 (+3.56s | 7.7%) | Tac Titans | 02/14/2026 | 2026 TAC TITANS February Qualifier Meet | |
| 4893 | Ethan Gu | 46.45 | 10 | B Min | BB: 42.89 (+3.56s | 7.7%) | Burlingame Aquatics | 10/11/2025 | SSF October Splash C B A+ Meet | |
| 4894 | Nicholas Ambar | 46.45 | 7 | B Min | BB: 42.89 (+3.56s | 7.7%) | Asphalt Green Unified Aquatics | 03/07/2026 | 2026 MR Metro 8 Under Championships | |
| 4895 | Ivan Boukhanov | 46.45 | 10 | B Min | BB: 42.89 (+3.56s | 7.7%) | Gulf Coast Swim Team | 12/13/2025 | CCS Holiday Classic 2025 | |
| 4896 | Austin Xu | 46.46 | 10 | B Min | BB: 42.89 (+3.57s | 7.7%) | Nation\\\\\\'s Capital Swim Club | 01/17/2026 | PVS January Open 2026 Fairland | |
| 4897 | Charles Engler | 46.46 | 9 | B Min | BB: 42.89 (+3.57s | 7.7%) | Metro Marlins Swim Team | 02/27/2026 | 2026 MN STRM Minnesota Regional Championship | |
| 4898 | Graham Yesquen | 46.46 | 10 | B Min | BB: 42.89 (+3.57s | 7.7%) | Centreville Swim Club | 12/12/2025 | 2025 MAKO HOLIDAY INVITATIONAL | |
| 4899 | Kaito Kinnaird | 46.46 | 10 | B Min | BB: 42.89 (+3.57s | 7.7%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 4900 | Dashiel Herman | 46.46 | 9 | B Min | BB: 42.89 (+3.57s | 7.7%) | Aquaventure Riptides | 01/10/2026 | 2026 RMY Winter 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.