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 | |
|---|---|---|---|---|---|---|---|---|---|
| 851 | Jackson Macaluso | 43.13 | 9 | BB Min | A: 42.09 (+1.04s | 2.4%) | Tampa Elite Aquatics | 12/05/2025 | 2025 Speedo Gator Holiday Classic | |
| 852 | Nicholas Leonard | 43.13 | 10 | BB Min | A: 42.09 (+1.04s | 2.4%) | SwimMAC Carolina | 02/14/2026 | 2026 SwimMAC Qualifier Festival | |
| 853 | Thomas Hummel | 43.13 | 10 | BB Min | A: 42.09 (+1.04s | 2.4%) | Hillsborough Aquatic Club | 10/11/2025 | 2025 CAT Rock The Block | |
| 854 | Robert Mello | 43.13 | 9 | BB Min | A: 42.09 (+1.04s | 2.4%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 855 | Brian Chou | 43.13 | 8 | BB Min | A: 42.09 (+1.04s | 2.4%) | Irvine Novaquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 856 | Ethan Han | 43.14 | 10 | BB Min | A: 42.09 (+1.05s | 2.4%) | South East Metro Sharks | 12/14/2025 | 2025 MN SEMS Frosty Fins Invite | |
| 857 | Timothy Acchione | 43.14 | 10 | BB Min | A: 42.09 (+1.05s | 2.4%) | Loyola Blakefield Aquatics | 10/03/2025 | 2025 Aimee McCormick Turrall Memorial Meet | |
| 858 | Jayan Naik | 43.15 | 10 | BB Min | A: 42.09 (+1.06s | 2.5%) | Capital of Texas Aquatics | 12/12/2025 | 2025 ST AAAA NS Winter Wonderland | |
| 859 | Paxton Marvray | 43.15 | 10 | BB Min | A: 42.09 (+1.06s | 2.5%) | Sawtooth Aquatic Club | 12/20/2025 | 2025 BY Candy Cane Invitational | |
| 860 | Caleb Lincoln | 43.16 | 10 | BB Min | A: 42.09 (+1.07s | 2.5%) | YMCA of Hagerstown | 11/14/2025 | 2025 NBAC Thanksgiving Meet | |
| 861 | Mason Wong | 43.16 | 9 | BB Min | A: 42.09 (+1.07s | 2.5%) | Cavalier Aquatics/Piedmont Fam | 11/08/2025 | CA Y Tri Meet | |
| 862 | Maochen Tan | 43.17 | 10 | BB Min | A: 42.09 (+1.08s | 2.5%) | Mission Viejo Nadadores | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 863 | Danil Mastropas-Brown | 43.17 | 10 | BB Min | A: 42.09 (+1.08s | 2.5%) | Nova of Virginia | 12/12/2025 | 2025 HVAC Winterfest Invitational | |
| 864 | James Marsh | 43.17 | 9 | BB Min | A: 42.09 (+1.08s | 2.5%) | Lifetime Swim Team North Carol | 10/24/2025 | 2025 CAT Trick Or Treat Meet | |
| 865 | Alex Liu | 43.17 | 10 | BB Min | A: 42.09 (+1.08s | 2.5%) | Anglerfish Aquatics | 11/14/2025 | 2025 NECRA Nov Distance Specialty Meet Co | |
| 866 | Bennett Arguello | 43.17 | 9 | BB Min | A: 42.09 (+1.08s | 2.5%) | Greenwood Tiger Sharks | 12/12/2025 | 2025 CO NJ Blizzard Invite | |
| 867 | Enrique Acosta | 43.17 | 10 | BB Min | A: 42.09 (+1.08s | 2.5%) | EL Paso Border Land Swim Team | 11/14/2025 | 2025 BD Turkey Splash | |
| 868 | Oliver Lyashenko | 43.18 | 10 | BB Min | A: 42.09 (+1.09s | 2.5%) | Old Dominion Aquatic Club | 12/11/2025 | 2025 East Coast WinterFest | |
| 869 | Luke Rowan | 43.18 | 10 | BB Min | A: 42.09 (+1.09s | 2.5%) | Unattached | 01/09/2026 | 2026 IA Midwest All Stars 09Jan2026 Midwestern | |
| 870 | Ian Chan | 43.18 | 10 | BB Min | A: 42.09 (+1.09s | 2.5%) | Trident Aquatic Club | 02/07/2026 | 2026 MR QNS We Fly High Invitational | |
| 871 | Nathan Selinger | 43.20 | 10 | BB Min | A: 42.09 (+1.11s | 2.6%) | Minnetonka Swim Club | 01/30/2026 | 2026 MN MTKA TYR Team Challenge | |
| 872 | Jacob Bouchard | 43.21 | 10 | BB Min | A: 42.09 (+1.12s | 2.6%) | Nova of Virginia | 12/12/2025 | 2025 HVAC Winterfest Invitational | |
| 873 | Nolan Meinen | 43.21 | 10 | BB Min | A: 42.09 (+1.12s | 2.6%) | Nitro Swimming | 02/06/2026 | 2026 ST AQTX STX Champs North | |
| 874 | Aaron Luswata | 43.22 | 9 | BB Min | A: 42.09 (+1.13s | 2.6%) | Cypress Fairbanks Swim Club | 01/31/2025 | 2025 Fleet Mardi Gras | |
| 875 | Ian Susanto | 43.22 | 9 | BB Min | A: 42.09 (+1.13s | 2.6%) | Legacy Aquatics | 12/05/2025 | 2025 Tualatin Hills Holiday Classic | |
| 876 | Gabriel Moyer | 43.23 | 10 | BB Min | A: 42.09 (+1.14s | 2.6%) | Southern Maryland Aquatics | 02/06/2026 | 2026 Last Chance Qualifying Meet | |
| 877 | Alonso Andrade | 43.23 | 10 | BB Min | A: 42.09 (+1.14s | 2.6%) | EL Paso Border Land Swim Team | 11/14/2025 | 2025 BD Turkey Splash | |
| 878 | Mason Liu | 43.23 | 9 | BB Min | A: 42.09 (+1.14s | 2.6%) | Trident Aquatic Club | 01/16/2026 | GSA January Jump Start 2026 | |
| 879 | Elliott Ganancial | 43.24 | 9 | BB Min | A: 42.09 (+1.15s | 2.7%) | Aloha Aquatics Association | 11/09/2025 | OSL A+ SCY Meet | |
| 880 | Chase Chang | 43.24 | 10 | BB Min | A: 42.09 (+1.15s | 2.7%) | Northern Lights Swimming Assoc | 01/24/2026 | 2026 MN DRGN Fire And Ice Invite | |
| 881 | Marcus Pass | 43.24 | 9 | BB Min | A: 42.09 (+1.15s | 2.7%) | Sioux Falls Swim Team | 10/25/2025 | SD SFST Swim Series Meet #2 | |
| 882 | Declan Hoover | 43.25 | 10 | BB Min | A: 42.09 (+1.16s | 2.7%) | Rockfish Swimming | 01/10/2026 | 2026 RAYS Jeff Rouse Invitational | |
| 883 | Alexander Dmyterko | 43.25 | 10 | BB Min | A: 42.09 (+1.16s | 2.7%) | Wahoo\\\\\\'s of Wellington | 12/05/2025 | 2025 FG Holiday Champ | |
| 884 | Elon Amrani | 43.26 | 10 | BB Min | A: 42.09 (+1.17s | 2.7%) | Staten Island Aquatics Club | 11/08/2025 | 2025 MR PAC Maria Parmanan Invitational | |
| 885 | Philip Smit van Riel | 43.26 | 10 | BB Min | A: 42.09 (+1.17s | 2.7%) | Asphalt Green Unified Aquatics | 01/30/2026 | 2026 MR LIE Second Chance Invitational | |
| 886 | Harry Yoon | 43.27 | 10 | BB Min | A: 42.09 (+1.18s | 2.7%) | Canyons Aquatic Club | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 887 | Yixuan Zhu | 43.27 | 10 | BB Min | A: 42.09 (+1.18s | 2.7%) | Pleasanton Seahawks | 01/31/2026 | Zone 2 Winter Championship Meet | |
| 888 | Wesley Zhang | 43.27 | 10 | BB Min | A: 42.09 (+1.18s | 2.7%) | Santa Clara Swim Club | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 889 | Grant Zimmermann | 43.28 | 9 | BB Min | A: 42.09 (+1.19s | 2.7%) | YMCA of the Triangle Area Swim | 09/28/2025 | 2025 YOTA Intrasquad Meet | |
| 890 | Apollo Valdriz | 43.28 | 10 | BB Min | A: 42.09 (+1.19s | 2.7%) | Circle City Aquatics | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 891 | Elliott Boland | 43.28 | 9 | BB Min | A: 42.09 (+1.19s | 2.7%) | Academy Swim Club | 02/07/2026 | BIG ISLAND SWIMMING @ KCAC | |
| 892 | Nikolas Van Halen | 43.28 | 9 | BB Min | A: 42.09 (+1.19s | 2.7%) | Swim Florida | 01/16/2026 | 2026 T2 Aquatics Naples Open | |
| 893 | Tristan Morley | 43.29 | 11 | BB Min | A: 42.09 (+1.20s | 2.8%) | Bluefish Swim Club | 01/16/2026 | 2026 NE CS Bronze Championships | |
| 894 | Brayden Herbert | 43.29 | 10 | BB Min | A: 42.09 (+1.20s | 2.8%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 895 | Erik Eddy | 43.30 | 10 | BB Min | A: 42.09 (+1.21s | 2.8%) | East Bay Silver Dolphins | 10/11/2025 | VJO Sprint For The Golden Ticket CBA+ 2025 | |
| 896 | Aidan Grish | 43.31 | 10 | BB Min | A: 42.09 (+1.22s | 2.8%) | YMCA of Virginia\\\\\\'s Blue Ridge | 10/18/2025 | LY 2025 YMCA October Meet | |
| 897 | Andrew Fan | 43.31 | 11 | BB Min | A: 42.09 (+1.22s | 2.8%) | Phoenix Aquatic Club | 12/06/2025 | 2025 MR PAC 12 U Holiday Invitational | |
| 898 | Clayton Chester | 43.31 | 10 | BB Min | A: 42.09 (+1.22s | 2.8%) | Heartland Swim Assoc | 01/17/2026 | 2026 SBA All Ages A BB Meet | |
| 899 | Yanbo Li | 43.32 | 9 | BB Min | A: 42.09 (+1.23s | 2.8%) | Bolles School Sharks | 10/25/2025 | 2025 SJAC Halloween Invitational | |
| 900 | Joshua Kim | 43.32 | 9 | BB Min | A: 42.09 (+1.23s | 2.8%) | Mason Makos Swim Team | 12/04/2025 | 2025 Sport Fair Winter Classic | |
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.