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 | |
|---|---|---|---|---|---|---|---|---|---|
| 801 | Ryan Khalili | 59.59 | 10 | B Min | BB: 54.39 (+5.20s | 8.7%) | Highlands Ranch Aquatics | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 802 | Kenneth Zhang | 59.59 | 8 | B Min | BB: 54.39 (+5.20s | 8.7%) | Santa Clara Swim Club | 06/27/2025 | Valley Splash | |
| 803 | Austin Headley | 59.63 | 10 | B Min | BB: 54.39 (+5.24s | 8.8%) | Sioux Falls Swim Team | 05/09/2025 | 2025 SD SFST Ready For Long Course | |
| 804 | Leon Ye | 59.64 | 10 | B Min | BB: 54.39 (+5.25s | 8.8%) | Issaquah Swim Team | 06/14/2025 | 2025 IST June Invtational | |
| 805 | Christopher Williams | 59.66 | 10 | B Min | BB: 54.39 (+5.27s | 8.8%) | Hilltop Aquatic Swim Team | 06/21/2025 | 2025 UT HAST RWB BC Medals Meet | |
| 806 | Lleyton Thompson | 59.71 | 10 | B Min | BB: 54.39 (+5.32s | 8.9%) | Hurricanes Swim Team | 06/13/2025 | 2025 SD Aberdeen Summer High Point Swim Meet | |
| 807 | Preston Cain | 59.71 | 10 | B Min | BB: 54.39 (+5.32s | 8.9%) | Streamline Aquatics | 05/16/2025 | 2025 ST AAAA NS Salute To The Troops | |
| 808 | Arjun Jois | 59.72 | 8 | B Min | BB: 54.39 (+5.33s | 8.9%) | Houston Bridge Bats | 06/14/2025 | CCLR CEM Summer Beach Bash LCM Unclassified | |
| 809 | Ethan Hartley | 59.73 | 10 | B Min | BB: 54.39 (+5.34s | 8.9%) | Quest Swimming | 06/27/2024 | NOVA Firecracker Classic | |
| 810 | Ian Webster | 59.73 | 10 | B Min | BB: 54.39 (+5.34s | 8.9%) | Columbia River Swim Team | 06/07/2025 | 2025 OR CRST Summer Blast 2 | |
| 811 | Ishaan Malik | 59.74 | 9 | B Min | BB: 54.39 (+5.35s | 9.0%) | California Dolphins Swim Team | 06/07/2025 | 2025 06 07 CDST LC C B BB+ Meet | |
| 812 | Adrian Mendoza | 59.75 | 10 | B Min | BB: 54.39 (+5.36s | 9.0%) | Front Range Barracudas | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 813 | Jacob Gamio | 59.79 | 9 | B Min | BB: 54.39 (+5.40s | 9.0%) | Alamo Area Aquatic Association | 05/16/2025 | 2025 ST AAAA NS Salute To The Troops | |
| 814 | Callahan Calkins | 59.84 | 10 | B Min | BB: 54.39 (+5.45s | 9.1%) | Hydro Swim Club | 05/30/2025 | Hydro4 Summer Open | |
| 815 | Jaize Council | 59.85 | 10 | B Min | BB: 54.39 (+5.46s | 9.1%) | Tide Swimming | 07/06/2023 | 2023 TIDE Summer Awards | |
| 816 | Edward Uvejzovic | 59.85 | 10 | B Min | BB: 54.39 (+5.46s | 9.1%) | Olympus Aquatics | 06/27/2025 | 2nd Annual Water Dragon Open | |
| 817 | Miro Wang | 59.86 | 10 | B Min | BB: 54.39 (+5.47s | 9.1%) | Santa Clara Swim Club | 05/25/2024 | SCSC Pacific Swimming Long Course Intrasquad | |
| 818 | Liam Lawson | 59.87 | 10 | B Min | BB: 54.39 (+5.48s | 9.2%) | Lake Oswego Swim Club | 06/26/2025 | 2025 Howard Jones Open | |
| 819 | Srujan Dudda | 59.90 | 10 | B Min | BB: 54.39 (+5.51s | 9.2%) | Sporting Jax Aquatic Club | 07/25/2025 | 2025 Area 1 LCM Championships | |
| 820 | Watson Xie | 59.90 | 9 | B Min | BB: 54.39 (+5.51s | 9.2%) | Chinook Aquatic Club | 05/29/2025 | 2025 IE VS Apple Capital | |
| 821 | Steven Kimeu | 59.91 | 10 | B Min | BB: 54.39 (+5.52s | 9.2%) | Rochester Swim Club | 07/18/2025 | 2025 MN MTKA Minnesota Regional Championship | |
| 822 | Bence Thomas | 59.94 | 8 | B Min | BB: 54.39 (+5.55s | 9.3%) | Gulf Coast Swim Team | 06/20/2025 | 2025 GCST MARK MCCAW SUMMER | |
| 823 | Jason Yin | 59.95 | 9 | B Min | BB: 54.39 (+5.56s | 9.3%) | Santa Clara Swim Club | 05/17/2024 | Quicksilver Swimming Zone 1S LCM C B A+ Meet | |
| 824 | Ivan Smarshchok | 59.95 | 8 | B Min | BB: 54.39 (+5.56s | 9.3%) | King Aquatic Club | 04/25/2025 | 2025 PN KING Spring Derby | |
| 825 | Jason Ma | 1:00.01 | 9 | B Min | BB: 54.39 (+5.62s | 9.4%) | Palo Alto Stanford Aquatics | 06/27/2025 | Silicon Valley LC CBA+ Meet | |
| 826 | Jude Foote | 1:00.03 | 9 | B Min | BB: 54.39 (+5.64s | 9.4%) | Hilltop Aquatic Swim Team | 08/01/2025 | 2025 LC Beehive Finale | |
| 827 | Romeo Ottaviano | 1:00.04 | 9 | B Min | BB: 54.39 (+5.65s | 9.4%) | Sarasota Sharks | 06/19/2025 | 2025 Shark Open | |
| 828 | Andrew DiPaulo | 1:00.06 | 9 | B Min | BB: 54.39 (+5.67s | 9.4%) | Denver Athletic Club Swim Team | 04/25/2025 | 2025 CO TOPS Arena Catch Me If You Can | |
| 829 | Liam Benson | 1:00.07 | 10 | B Min | BB: 54.39 (+5.68s | 9.5%) | Sea Devils | 06/21/2025 | 2025 MN TUNA Oppor TUNA Ty 2 Invite | |
| 830 | Daniel Basaly | 1:00.08 | 8 | B Min | BB: 54.39 (+5.69s | 9.5%) | Swim Melbourne | 06/07/2025 | 2025 TCA Aaron Vaughn Memorial | |
| 831 | George Gray | 1:00.09 | 10 | B Min | BB: 54.39 (+5.70s | 9.5%) | Portland Aquatic Club | 06/20/2025 | 72nd Annual Ted Walker Invitational | |
| 832 | Marcus Wang | 1:00.13 | 10 | B Min | BB: 54.39 (+5.74s | 9.5%) | Pacific Dragons Swim Team | 07/11/2025 | 2025 PN OCA July Jamboree Invitational | |
| 833 | Gunnar Torres | 1:00.15 | 10 | B Min | BB: 54.39 (+5.76s | 9.6%) | Gold\\\\\\'s Aquatics Club (Camas) | 11/14/2025 | GACC PAC 12 U Sprint Dual | |
| 834 | Adam Zamora | 1:00.17 | 10 | B Min | BB: 54.39 (+5.78s | 9.6%) | La Grande Swim Club | 07/05/2025 | Pendleton Open 2025 | |
| 835 | Luke Wang | 1:00.18 | 9 | B Min | BB: 54.39 (+5.79s | 9.6%) | Front Range Barracudas | 05/17/2025 | 2025 CO CUDA Vs AQUA Dual | |
| 836 | Lincoln Zhang | 1:00.18 | 10 | B Min | BB: 54.39 (+5.79s | 9.6%) | Eastside Aquatic Swim Team | 07/11/2025 | 2025 THSC Summer Classic | |
| 837 | Landon Putz | 1:00.19 | 10 | B Min | BB: 54.39 (+5.80s | 9.6%) | YMCA of Austin Swim Alliance | 04/26/2025 | 2025 ST CCSS LC Unclassified | |
| 838 | Anderson Cox | 1:00.19 | 10 | B Min | BB: 54.39 (+5.80s | 9.6%) | Lynchburg YMCA Swim Team | 05/31/2024 | 2024 Virginia Commonwealth Games | |
| 839 | Hunter Hall | 1:00.21 | 10 | B Min | BB: 54.39 (+5.82s | 9.7%) | The Dalles Swim Team | 07/05/2025 | Pendleton Open 2025 | |
| 840 | Felix Cera | 1:00.21 | 9 | B Min | BB: 54.39 (+5.82s | 9.7%) | Olympic Cascade Aquatics | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | |
| 841 | Jamie Russell | 1:00.23 | 9 | B Min | BB: 54.39 (+5.84s | 9.7%) | Santa Clara Swim Club | 06/27/2025 | Valley Splash | |
| 842 | Julian Chan | 1:00.23 | 10 | B Min | BB: 54.39 (+5.84s | 9.7%) | Nitro Swimming | 06/08/2025 | 2025 ST TXLA 14 U Sprint Cup | |
| 843 | Zaddik Fan | 1:00.23 | 10 | B Min | BB: 54.39 (+5.84s | 9.7%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 844 | Samuel Olvera | 1:00.24 | 9 | B Min | BB: 54.39 (+5.85s | 9.7%) | Boerne Elite Aquatics | 04/11/2025 | 2025 ST AAAA NS Spring Into Long Course | |
| 845 | Kai Mihov | 1:00.30 | 10 | B Min | BB: 54.39 (+5.91s | 9.8%) | Palo Alto Stanford Aquatics | 06/06/2025 | BAC C B A Meet | |
| 846 | Ty Yetter | 1:00.31 | 8 | B Min | BB: 54.39 (+5.92s | 9.8%) | T2 Aquatics | 06/21/2025 | 2025 T2 June Saturday Showcase | |
| 847 | Bruce Chou | 1:00.34 | 10 | B Min | BB: 54.39 (+5.95s | 9.9%) | Jbarracudas Swim Team | 07/11/2025 | 2025 SI JBST All Ages NTS Meet | |
| 848 | Killian Robbins | 1:00.35 | 10 | B Min | BB: 54.39 (+5.96s | 9.9%) | St Croix Swim Club | 05/10/2025 | 2025 MN HURR LC Spring Opener | |
| 849 | Julian Lee | 1:00.36 | 9 | B Min | BB: 54.39 (+5.97s | 9.9%) | Sporting Jax Aquatic Club | 07/25/2025 | 2025 Area 1 LCM Championships | |
| 850 | Felipe Costa | 1:00.37 | 10 | B Min | BB: 54.39 (+5.98s | 9.9%) | Kissimmee Swim Association | 05/16/2025 | 2025 PA Long Course Invite | |
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.