USA Boys 10 & under - 50 Y Breast
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 2751 | Marcus Zhu | 48.71 | 10 | B Min | BB: 47.69 (+1.02s | 2.1%) | Quicksilver Swimming | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 2752 | Aiden Mayer | 48.71 | 9 | B Min | BB: 47.69 (+1.02s | 2.1%) | Htx Swims | 02/21/2025 | 2025 Gulf 12 Under Champs (NOCH) | |
| 2753 | Irving Huynh | 48.71 | 8 | B Min | BB: 47.69 (+1.02s | 2.1%) | Meadow | 11/10/2024 | Fall Jamboree Invitational 2024 | |
| 2754 | Jaden Langley | 48.72 | 8 | B Min | BB: 47.69 (+1.03s | 2.1%) | Rocky Mountain Rapids | 03/07/2025 | 2025 CO CSI Silver State Championships | |
| 2755 | Luke Jordan | 48.72 | 10 | B Min | BB: 47.69 (+1.03s | 2.1%) | Coast Gaurd Blue Dolphins | 01/09/2026 | 2026 757swim Splash And Dash | |
| 2756 | Patrick Zhang | 48.72 | 10 | B Min | BB: 47.69 (+1.03s | 2.1%) | Palo Alto Stanford Aquatics | 01/10/2026 | SSF NEW YEAR SPLASH C B A+ | |
| 2757 | Lucas Ferguson | 48.72 | 9 | B Min | BB: 47.69 (+1.03s | 2.1%) | Aquatic Team Of Mecklenburg | 01/23/2026 | 2026 TEAM Arena Western Open Copied | |
| 2758 | Joseph Reynolds | 48.72 | 10 | B Min | BB: 47.69 (+1.03s | 2.1%) | DC Dept Of Parks and Recreatio | 02/01/2026 | 2026 Little Blue Penguin Pentathlon | |
| 2759 | Abhinav Devineni | 48.72 | 10 | B Min | BB: 47.69 (+1.03s | 2.1%) | Monocacy Aquatic Club | 11/01/2025 | 2025 Bridget Vache Memorial MAC Fall Frenzy | |
| 2760 | Kou Takahashi | 48.72 | 7 | B Min | BB: 47.69 (+1.03s | 2.1%) | West Express Swim Team | 02/07/2026 | 2026 MN WEST EXPRESS LAST CHANCE MEET | |
| 2761 | Egor Anoshkin | 48.72 | 10 | B Min | BB: 47.69 (+1.03s | 2.1%) | South Florida Aquatic Club | 12/05/2025 | 2025 FG Holiday Champ | |
| 2762 | Miles Key | 48.73 | 9 | B Min | BB: 47.69 (+1.04s | 2.1%) | Raleigh Swimming Association | 11/21/2025 | 2025 YOTA Arena Turkey Classic | |
| 2763 | Gregory FitzGerald | 48.73 | 10 | B Min | BB: 47.69 (+1.04s | 2.1%) | Fox Swim Club | 10/18/2025 | 2025 Fox Fall Invitational 1 Copied | |
| 2764 | Jose Ruiz Cabrera | 48.74 | 10 | B Min | BB: 47.69 (+1.05s | 2.2%) | Edina Swim Club | 10/26/2025 | 2025 MN SEMS Sharktober Invite | |
| 2765 | James Romero | 48.74 | 10 | B Min | BB: 47.69 (+1.05s | 2.2%) | Martin County Swimming | 02/06/2026 | 2026 Stanton C Craigie Memorial Invite | |
| 2766 | Lawson Blais | 48.74 | 9 | B Min | BB: 47.69 (+1.05s | 2.2%) | Nation\\\\\\'s Capital Swim Club | 11/14/2025 | 2025 PV November Open Franconia | |
| 2767 | Weston Jaegers | 48.74 | 9 | B Min | BB: 47.69 (+1.05s | 2.2%) | Mlst | 08/02/2024 | High Country Short Course Championship | |
| 2768 | Kairui Yang | 48.74 | 10 | B Min | BB: 47.69 (+1.05s | 2.2%) | Lifetime Swim Team North Carol | 12/12/2025 | 2025 NC QCD Holiday Invite | |
| 2769 | Ian Sickles | 48.74 | 9 | B Min | BB: 47.69 (+1.05s | 2.2%) | Hawks Swimming Association | 11/14/2025 | 2025 MR VAC Viking Classic Invitational | |
| 2770 | Christopher Farley | 48.74 | 10 | B Min | BB: 47.69 (+1.05s | 2.2%) | Mason Makos Swim Team | 09/27/2025 | 2025 PV MAKO FALL INVITATIONAL | |
| 2771 | Massimo Sclafani | 48.75 | 8 | B Min | BB: 47.69 (+1.06s | 2.2%) | Webbs Tornadoes Swim Team | 01/30/2026 | 2026 NE CS Silver Championships | |
| 2772 | Kieran Gorrell | 48.75 | 10 | B Min | BB: 47.69 (+1.06s | 2.2%) | Pine Crest Swimming | 01/16/2026 | 2026 Speedo SoFlo Open | |
| 2773 | Cullen Burnes | 48.75 | 10 | B Min | BB: 47.69 (+1.06s | 2.2%) | All Star Aquatics | 10/11/2025 | 2025 ASA October Kick Off | |
| 2774 | Ethan Wang | 48.75 | 11 | B Min | BB: 47.69 (+1.06s | 2.2%) | North Shore Swim Club | 01/24/2026 | 2026 NE NSSC Snowman Sprints | |
| 2775 | Shun Mohri | 48.75 | 10 | B Min | BB: 47.69 (+1.06s | 2.2%) | Spartan Aquatic Club | 11/01/2025 | Greater Kalamazoo Arena Challenge | |
| 2776 | Jusung Park | 48.75 | 9 | B Min | BB: 47.69 (+1.06s | 2.2%) | Life Time Fitness New York Swi | 10/10/2025 | 2025 MR YMID Fall Festival Invitational | |
| 2777 | Kian Ray | 48.75 | 10 | B Min | BB: 47.69 (+1.06s | 2.2%) | Bethesda-Chevy Chase YMCA | 01/10/2026 | 2026 MAKO POLAR PLUNGE | |
| 2778 | Jensen Chamberlin | 48.76 | 10 | B Min | BB: 47.69 (+1.07s | 2.2%) | Thunderbird Aquatic Club | 11/22/2025 | 2025 PN November AGI, Division 4 (WEST) | |
| 2779 | Gairen Bean | 48.76 | 9 | B Min | BB: 47.69 (+1.07s | 2.2%) | South Bay Aquatics | 10/04/2025 | 2025 SI CAST Pentathlon 14 U Copied | |
| 2780 | Emilio Retana | 48.76 | 10 | B Min | BB: 47.69 (+1.07s | 2.2%) | El Paso Aqua Posse | 11/14/2025 | 2025 BD Turkey Splash | |
| 2781 | Finn Demarest | 48.76 | 9 | B Min | BB: 47.69 (+1.07s | 2.2%) | Suburban Aquatics | 12/21/2025 | 2025 PAC 10 U Reindeer Games | |
| 2782 | Benjamin Liang | 48.76 | 9 | B Min | BB: 47.69 (+1.07s | 2.2%) | Waterloo Swimming | 09/27/2025 | 2025 ST ASC IMR IMX Challenge | |
| 2783 | Tyler Radovich | 48.76 | 10 | B Min | BB: 47.69 (+1.07s | 2.2%) | Loyola Blakefield Aquatics | 11/14/2025 | 2025 NBAC Thanksgiving Meet | |
| 2784 | Eli Li | 48.76 | 9 | B Min | BB: 47.69 (+1.07s | 2.2%) | Rockville Montgomery Swim Club | 11/01/2025 | 2025 RMSC Autumn 350 Challenge Meet | |
| 2785 | Cooper Proulx | 48.76 | 9 | B Min | BB: 47.69 (+1.07s | 2.2%) | Kent County YMCA | 01/24/2026 | 2026 NE KCY New Year S Splash | |
| 2786 | Zimo Xu | 48.76 | 10 | B Min | BB: 47.69 (+1.07s | 2.2%) | Quicksilver Swimming | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 2787 | Finn Foster | 48.77 | 9 | B Min | BB: 47.69 (+1.08s | 2.2%) | South Shore Sails | 02/21/2025 | 2025 Gulf 12 Under Champs (NOCH) | |
| 2788 | Aiden Lau | 48.77 | 10 | B Min | BB: 47.69 (+1.08s | 2.2%) | Long Island Aquatic Club | 12/11/2025 | 2025 MR HAUP Eagle Invitational | |
| 2789 | Jude Snyder | 48.77 | 10 | B Min | BB: 47.69 (+1.08s | 2.2%) | Missoula YMCA Swim Team | 12/04/2025 | 2025 Holiday Swim Festival | |
| 2790 | Gray Richey | 48.77 | 10 | B Min | BB: 47.69 (+1.08s | 2.2%) | Quest Swimming | 01/24/2026 | 2026 WAC Mike Willard Polar Plunge | |
| 2791 | Houston Coghill | 48.77 | 9 | B Min | BB: 47.69 (+1.08s | 2.2%) | SwimEnergy Aquatics | 11/21/2025 | 2025 RAFC Almost Turkey Invitational | |
| 2792 | Holton Lika | 48.77 | 10 | B Min | BB: 47.69 (+1.08s | 2.2%) | Swim Florida | 02/07/2026 | 2026 GCST WINTER OPEN | |
| 2793 | Nicholas Galvin | 48.77 | 9 | B Min | BB: 47.69 (+1.08s | 2.2%) | Sarasota Sharks | 11/07/2025 | 2025 SYS Turkey Meet | |
| 2794 | Adam Rosol | 48.77 | 8 | B Min | BB: 47.69 (+1.08s | 2.2%) | Twisters Swim Club | 11/28/2025 | 2025 MR LIE Thanksgiving Invitational | |
| 2795 | Gabriel Gorman | 48.77 | 10 | B Min | BB: 47.69 (+1.08s | 2.2%) | Team Suffolk | 12/11/2025 | 2025 MR HAUP Eagle Invitational | |
| 2796 | John Sanchez Cespedes | 48.77 | 9 | B Min | BB: 47.69 (+1.08s | 2.2%) | Coast Aquatics | 02/13/2026 | 2026 SES Region 4 Championships | |
| 2797 | Asher Mormino | 48.78 | 8 | B Min | BB: 47.69 (+1.09s | 2.2%) | Bend Swim Club | 11/15/2024 | Bend High Desert Classic | |
| 2798 | Dashel Archer | 48.78 | 9 | B Min | BB: 47.69 (+1.09s | 2.2%) | Evergreen Hurricanes | 01/31/2026 | 2026 CO Anthony Boettcher Nate Rothman Memori | |
| 2799 | Felix Harte | 48.78 | 9 | B Min | BB: 47.69 (+1.09s | 2.2%) | Nation\\\\\\'s Capital Swim Club | 01/17/2026 | PVS January Open 2026 PWCS | |
| 2800 | Mason Kutzenberger | 48.78 | 9 | B Min | BB: 47.69 (+1.09s | 2.2%) | Aggie Swim Club | 02/21/2025 | MAC Hosted 2025 Gulf 12 Under Champs | |
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.