USA Boys 10 & under - 50 M 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 901 | Jack Rissman | 58.89 | 8 | B Min | BB: 54.39 (+4.50s | 7.6%) | Edina Swim Club | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 902 | Connor Chiang | 58.89 | 9 | B Min | BB: 54.39 (+4.50s | 7.6%) | West Coast Aquatics | 04/25/2025 | 2025 PN KING Spring Derby | |
| 903 | Chase White | 58.90 | 8 | B Min | BB: 54.39 (+4.51s | 7.7%) | South Valley Makos | 06/28/2024 | 2024 Valley Splash Zone 1S LCM C B A+ | |
| 904 | William Chang | 58.92 | 10 | B Min | BB: 54.39 (+4.53s | 7.7%) | Sunnyvale Swim Club | 06/27/2025 | Silicon Valley LC CBA+ Meet | |
| 905 | Brendan Stork | 58.93 | 9 | B Min | BB: 54.39 (+4.54s | 7.7%) | Clovis Swim Club | 05/24/2025 | 2025 Mike Snyder Memorial | |
| 906 | Matias Gonzalez Guajardo | 58.95 | 9 | B Min | BB: 54.39 (+4.56s | 7.7%) | Titanes de Tym | 05/02/2025 | 2025 ST 22nd Annual Cinco De Mayo | |
| 907 | Jeremy Pei | 58.96 | 9 | B Min | BB: 54.39 (+4.57s | 7.8%) | Columbia River Swim Team | 06/07/2025 | 2025 OR CRST Summer Blast 2 | |
| 908 | Evan Buchanan | 58.96 | 9 | B Min | BB: 54.39 (+4.57s | 7.8%) | Hudson Explorer Aquatic | 05/10/2025 | 2025 NCAT TYR LC Age Group Open | |
| 909 | Keller Kirkpatrick | 59.00 | 8 | B Min | BB: 54.39 (+4.61s | 7.8%) | Lake Oswego Swim Club | 06/06/2025 | 2025 THSC June Invitational | |
| 910 | Aaron Yang | 59.00 | 9 | B Min | BB: 54.39 (+4.61s | 7.8%) | Wave Aquatics | 07/18/2025 | 2025 PN Chinook Age Group Seattle Open | |
| 911 | Ian Liu | 59.02 | 8 | B Min | BB: 54.39 (+4.63s | 7.8%) | Riptide Swim Team | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 912 | Skandan Chamraj | 59.03 | 8 | B Min | BB: 54.39 (+4.64s | 7.9%) | Riptide Swim Team | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 913 | Lucien Esparza-Chen | 59.04 | 10 | B Min | BB: 54.39 (+4.65s | 7.9%) | Pacific Dragons Swim Team | 06/14/2025 | 2025 IST June Invtational | |
| 914 | Luke Malovany | 59.05 | 9 | B Min | BB: 54.39 (+4.66s | 7.9%) | Fenix Swim Club | 01/17/2026 | 2026 Azura Winter Open LCM Invite | |
| 915 | Roy Osuga | 59.06 | 9 | B Min | BB: 54.39 (+4.67s | 7.9%) | Old Dominion Aquatic Club | 06/07/2024 | 2024 TIDE Swimming Schools Out Classic | |
| 916 | Jason Johnston | 59.08 | 8 | B Min | BB: 54.39 (+4.69s | 7.9%) | Aberdeen Swim Club | 05/09/2025 | 2025 SD SFST Ready For Long Course | |
| 917 | Arz Abu Raya | 59.08 | 7 | B Min | BB: 54.39 (+4.69s | 7.9%) | Unattached | 06/06/2025 | BAC C B A Meet | |
| 918 | Rufus Tang | 59.08 | 9 | B Min | BB: 54.39 (+4.69s | 7.9%) | Pacific Dragons Swim Team | 05/16/2025 | 2025 PN IST Sockeye Springtime Madness | |
| 919 | Evan Guan | 59.11 | 9 | B Min | BB: 54.39 (+4.72s | 8.0%) | Chinook Aquatic Club | 07/18/2025 | 2025 PN Chinook Age Group Seattle Open | |
| 920 | Austin Zhou | 59.11 | 8 | B Min | BB: 54.39 (+4.72s | 8.0%) | Pacific Dragons Swim Team | 06/14/2025 | 2025 IST June Invtational | |
| 921 | Albert Sung | 59.12 | 10 | B Min | BB: 54.39 (+4.73s | 8.0%) | Los Altos Mountain View Aquati | 05/17/2025 | 2025 LAMV SCM C B A+ | |
| 922 | Justin Chi | 59.15 | 8 | B Min | BB: 54.39 (+4.76s | 8.0%) | DeAnza Cupertino Aquatics | 06/06/2025 | 2025 DACA LC CBA+ Meet | |
| 923 | Harvey Kuhr | 59.18 | 10 | B Min | BB: 54.39 (+4.79s | 8.1%) | Austin Swim Club | 05/31/2025 | 2025 ST ASC June Bug | |
| 924 | Isaac Tang | 59.20 | 9 | B Min | BB: 54.39 (+4.81s | 8.1%) | Longhorn Aquatics | 04/05/2025 | 2025 ST TXLA 10 U Long Course Kick Off | |
| 925 | Cody Preikschas | 59.23 | 8 | B Min | BB: 54.39 (+4.84s | 8.2%) | Area Tallahassee Aquatic Club | 06/27/2025 | ATAC Long Course | |
| 926 | Darren Zhao | 59.24 | 9 | B Min | BB: 54.39 (+4.85s | 8.2%) | Santa Clara Swim Club | 06/27/2025 | Valley Splash | |
| 927 | Liam Skinner | 59.24 | 8 | B Min | BB: 54.39 (+4.85s | 8.2%) | Cache Valley Marlins | 06/06/2025 | Speed Lake City 2025 | |
| 928 | Aadit Ranade | 59.25 | 8 | B Min | BB: 54.39 (+4.86s | 8.2%) | Nitro Swimming | 06/27/2025 | 2025 ST HPAC Long Course STX Championship | |
| 929 | Aiden Sharp | 59.26 | 10 | B Min | BB: 54.39 (+4.87s | 8.2%) | Lifetime | 05/31/2025 | 2025 ST HPAC Sunshine Splash | |
| 930 | Charles Zheng | 59.26 | 8 | B Min | BB: 54.39 (+4.87s | 8.2%) | California Dolphins Swim Team | 04/12/2025 | PC BSW LCM C B BB+ Meet | |
| 931 | Guillermo Dinares Cardenal | 59.27 | 7 | B Min | BB: 54.39 (+4.88s | 8.2%) | Vashon Seals Swim Team | 06/14/2025 | 2025 IST June Invtational | |
| 932 | Eddie Bi | 59.27 | 8 | B Min | BB: 54.39 (+4.88s | 8.2%) | California Dolphins Swim Team | 06/07/2025 | 2025 06 07 CDST LC C B BB+ Meet | |
| 933 | Tomas Barrios Vivas | 59.27 | 9 | B Min | BB: 54.39 (+4.88s | 8.2%) | YMCA of Central Florida | 07/24/2025 | 2025 RAFC Last Splash Invitational | |
| 934 | Krosby Thomure | 59.28 | 9 | B Min | BB: 54.39 (+4.89s | 8.2%) | Spokane Waves Aquatic Team | 04/26/2025 | 2025 SWAT Spring Fling | |
| 935 | Judah Lee | 59.28 | 10 | B Min | BB: 54.39 (+4.89s | 8.2%) | Sunnyvale Swim Club | 06/27/2025 | Silicon Valley LC CBA+ Meet | |
| 936 | Charles Tan | 59.28 | 9 | B Min | BB: 54.39 (+4.89s | 8.2%) | Eastside Aquatic Swim Team | 06/27/2025 | 2025 PN SMAC Summer Classic Invitational | |
| 937 | Elijah Wieczorek | 59.28 | 9 | B Min | BB: 54.39 (+4.89s | 8.2%) | Canon City Piranhas | 07/12/2025 | 2025 Canon City Pentathlon | |
| 938 | Kynan Wiseman | 59.29 | 9 | B Min | BB: 54.39 (+4.90s | 8.3%) | Longmont Swim Club | 06/06/2025 | 2025 CO NJ Summer Solstice Invitational | |
| 939 | Leo Liao | 59.29 | 9 | B Min | BB: 54.39 (+4.90s | 8.3%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 940 | Wyatt White | 59.30 | 9 | B Min | BB: 54.39 (+4.91s | 8.3%) | Poseidon Aquatic Club | 06/14/2025 | 2025 IST June Invtational | |
| 941 | Will Casley | 59.32 | 10 | B Min | BB: 54.39 (+4.93s | 8.3%) | Sebastopol Sea Serpents | 05/17/2025 | Neptune Swimming May Long Course Meet | |
| 942 | Nolan Heasley | 59.35 | 10 | B Min | BB: 54.39 (+4.96s | 8.4%) | Pierre Swim Team | 07/11/2025 | 2025 SD Long Course State B Swim Meet | |
| 943 | Kais Esmail | 59.35 | 9 | B Min | BB: 54.39 (+4.96s | 8.4%) | Bellingham Bay Swim Team | 06/20/2025 | 2025 IE VS Starlight Open | |
| 944 | Carter McGroarty | 59.35 | 7 | B Min | BB: 54.39 (+4.96s | 8.4%) | Nova of Virginia | 06/27/2024 | NOVA Firecracker Classic | |
| 945 | Kenneth Green | 59.35 | 8 | B Min | BB: 54.39 (+4.96s | 8.4%) | Pro Swimming | 07/11/2025 | 2025 PN OCA July Jamboree Invitational | |
| 946 | Tobin Wong | 59.36 | 10 | B Min | BB: 54.39 (+4.97s | 8.4%) | Daly City Dolphins | 06/27/2025 | Silicon Valley LC CBA+ Meet | |
| 947 | Matthew Winn | 59.36 | 8 | B Min | BB: 54.39 (+4.97s | 8.4%) | South Snohomish Co Dolphins | 06/06/2025 | 2025 TRI CITY INVITATIONAL | |
| 948 | Jonathan Wen | 59.37 | 9 | B Min | BB: 54.39 (+4.98s | 8.4%) | Rancho San Dieguito | 07/11/2025 | 2025 SI SDSA All Ages NTS Meet | |
| 949 | Wesley Lang | 59.38 | 8 | B Min | BB: 54.39 (+4.99s | 8.4%) | River Road Swim Team | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 950 | Lucas Hernandez | 59.38 | 9 | B Min | BB: 54.39 (+4.99s | 8.4%) | Bellevue Club Swim Team | 05/02/2025 | 2025 PN BC May Flowers | |
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.