USA Boys 10 & under - 50 Y Free
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 751 | Stepan Gribanov | 30.08 | 9 | A Min | AA: 29.89 (+0.19s | 0.6%) | Staten Island Aquatics Club | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 752 | David Staperfenne | 30.08 | 10 | A Min | AA: 29.89 (+0.19s | 0.6%) | Grosse Pointe Gators | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 753 | Mateo Jimenez | 30.08 | 10 | A Min | AA: 29.89 (+0.19s | 0.6%) | East Hartford YMCA | 12/11/2025 | 2025 NE CRA Winter Invitational | |
| 754 | Aleck Shakhbazyan | 30.08 | 10 | A Min | AA: 29.89 (+0.19s | 0.6%) | Matchpoint Nyc | 02/07/2026 | 2026 MR FREE Championships Meets Qualifier | |
| 755 | Landon Lee | 30.08 | 9 | A Min | AA: 29.89 (+0.19s | 0.6%) | MONROE HIGH SCHOOL (MI) | 02/27/2026 | Boy S SEC Red Championship 2026 | |
| 756 | Winston Du | 30.09 | 10 | A Min | AA: 29.89 (+0.20s | 0.7%) | Aquajets Swim Team | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 757 | Diesel Ganley | 30.09 | 10 | A Min | AA: 29.89 (+0.20s | 0.7%) | Casa Grande High School Swimmi | 04/30/2026 | 2026 Vine League Championships | |
| 758 | Gael Hernandez | 30.09 | 10 | A Min | AA: 29.89 (+0.20s | 0.7%) | EL Paso Border Land Swim Team | 02/27/2026 | 2026 BD SCY Border Champs | |
| 759 | Joseph Lin | 30.10 | 10 | A Min | AA: 29.89 (+0.21s | 0.7%) | Madison Swimming Association | 02/06/2026 | 2026 SES Region 3 Champions | |
| 760 | Cooper Chen | 30.10 | 10 | A Min | AA: 29.89 (+0.21s | 0.7%) | Asphalt Green Unified Aquatics | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 761 | Jacob Liu | 30.11 | 10 | A Min | AA: 29.89 (+0.22s | 0.7%) | Aquazot Swim Club | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 762 | Kai Kennedy | 30.12 | 10 | A Min | AA: 29.89 (+0.23s | 0.8%) | Academy Swim Club | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 763 | Kaden Blevins | 30.13 | 9 | A Min | AA: 29.89 (+0.24s | 0.8%) | Cascade | 02/13/2026 | 2026 OR HS 4a 4 | |
| 764 | Levi Halbe | 30.13 | 10 | A Min | AA: 29.89 (+0.24s | 0.8%) | Nation\\\\\\'s Capital Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 765 | Russell Choy | 30.13 | 10 | A Min | AA: 29.89 (+0.24s | 0.8%) | Aquazot Swim Club | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 766 | Rian Aben | 30.14 | 10 | A Min | AA: 29.89 (+0.25s | 0.8%) | Farmington | 02/25/2026 | 2026 Boys OAA Red Division Championships | |
| 767 | Olin Vondrell | 30.15 | 9 | A Min | AA: 29.89 (+0.26s | 0.9%) | Sehome | 01/10/2026 | 2026 Kentridge High School Invitational Obse | |
| 768 | Ryan Tsuchitani | 30.15 | 10 | A Min | AA: 29.89 (+0.26s | 0.9%) | Mason Makos Swim Team | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 769 | Jacobe Sell | 30.16 | 10 | A Min | AA: 29.89 (+0.27s | 0.9%) | Cascade | 02/14/2025 | 2025 OR HS 4a 4 | |
| 770 | Everett Kennard | 30.16 | 10 | A Min | AA: 29.89 (+0.27s | 0.9%) | Crosshill Christian | 02/14/2025 | 2025 OR HS 4a 4 | |
| 771 | Owen Newton | 30.16 | 10 | A Min | AA: 29.89 (+0.27s | 0.9%) | SwimNation Aquatics Programs | 04/09/2026 | 2026 Far Western SC Hosted By SCSC | |
| 772 | William Palumbo | 30.17 | 10 | A Min | AA: 29.89 (+0.28s | 0.9%) | Nova of Virginia | 12/12/2025 | 2025 HVAC Winterfest Invitational | |
| 773 | Aedan Allen | 30.17 | 10 | A Min | AA: 29.89 (+0.28s | 0.9%) | Lone Star Aquatic Club | 02/20/2026 | 2026 ST AAAA SC STAGS | |
| 774 | Kishan Chokshi | 30.18 | 9 | A Min | AA: 29.89 (+0.29s | 1.0%) | Palo Alto High School | 04/22/2026 | 2026 SCVAL De Anza Division Championship Meet | |
| 775 | Lucas Pan | 30.19 | 9 | A Min | AA: 29.89 (+0.30s | 1.0%) | Santa Clara Swim Club | 03/20/2026 | SCY Spring Age Group Championships | |
| 776 | Lorenzo Alberani | 30.20 | 10 | A Min | AA: 29.89 (+0.31s | 1.0%) | Azura Florida Aquatics | 03/05/2026 | 2026 FG Age Group SCY Championships | |
| 777 | Carter Manning | 30.21 | 10 | A Min | AA: 29.89 (+0.32s | 1.1%) | Richland | 01/11/2025 | 2025 Kentridge HS Invitational BOYS OBSERVED | |
| 778 | Jacob Baldinger | 30.21 | 9 | A Min | AA: 29.89 (+0.32s | 1.1%) | Sehome | 01/10/2026 | 2026 Kentridge High School Invitational Obse | |
| 779 | Shuban Rayappa | 30.21 | 10 | A Min | AA: 29.89 (+0.32s | 1.1%) | Rochester Stoney Creek | 02/25/2026 | 2026 Boys OAA Red Division Championships | |
| 780 | Riley Barna | 30.22 | 10 | A Min | AA: 29.89 (+0.33s | 1.1%) | Ridgeview | 02/14/2025 | 2025 OR HS 5a 4 | |
| 781 | Jackson Rodebaugh | 30.22 | 10 | A Min | AA: 29.89 (+0.33s | 1.1%) | YMCA Cadillac Currents | 03/07/2026 | 2026 Michigan YMCA State Championship | |
| 782 | Jason Ye | 30.22 | 10 | A Min | AA: 29.89 (+0.33s | 1.1%) | Alto Swim Club | 03/28/2026 | Alto Rock The Blocks Invitational 2026 | |
| 783 | Samuel Weisensee | 30.23 | 10 | A Min | AA: 29.89 (+0.34s | 1.1%) | Jesuit | 02/14/2025 | 2025 OR HS 6a 2 | |
| 784 | Louie Choi | 30.23 | 9 | A Min | AA: 29.89 (+0.34s | 1.1%) | Saline Swim Team | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 785 | Sol Harrington | 30.24 | 10 | A Min | AA: 29.89 (+0.35s | 1.2%) | South Eugene | 02/13/2026 | 2026 OR HS 6A 7 | |
| 786 | Jayden Zhen | 30.25 | 10 | A Min | AA: 29.89 (+0.36s | 1.2%) | Nelson | 02/13/2026 | 2026 OR HS 6A 4 | |
| 787 | Noah Barna | 30.25 | 10 | A Min | AA: 29.89 (+0.36s | 1.2%) | Ridgeview | 02/14/2025 | 2025 OR HS 5a 4 | |
| 788 | Dean Deliessche | 30.25 | 10 | A Min | AA: 29.89 (+0.36s | 1.2%) | Trident Aquatic Club | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 789 | Moose Lane | 30.26 | 9 | A Min | AA: 29.89 (+0.37s | 1.2%) | Streamliner Aquatics | 03/19/2026 | 2026 NW Region Age Group Champs Approved | |
| 790 | Jake Stanwix | 30.26 | 10 | A Min | AA: 29.89 (+0.37s | 1.2%) | Nova of Virginia | 03/12/2026 | 2026 Virginia Swimming SC Age Group Champions | |
| 791 | Blake Berger | 30.26 | 9 | A Min | AA: 29.89 (+0.37s | 1.2%) | All Star Aquatics | 02/13/2026 | 2026 ASA President S Day Classic | |
| 792 | Walter Hamrick | 30.27 | 10 | A Min | AA: 29.89 (+0.38s | 1.3%) | New Wave Swim Team | 02/14/2026 | 2026 TAC TITANS February Qualifier Meet | |
| 793 | Will Lloyd | 30.27 | 10 | A Min | AA: 29.89 (+0.38s | 1.3%) | Glencoe | 02/13/2026 | 2026 OR HS 6A 3 | |
| 794 | Arthur Pan | 30.27 | 10 | A Min | AA: 29.89 (+0.38s | 1.3%) | Life Time Fitness New York Swi | 02/06/2026 | 2026 MR YMID February Classic Copied | |
| 795 | Harry Releford | 30.27 | 10 | A Min | AA: 29.89 (+0.38s | 1.3%) | Madison Area YMCA Mariners | 01/09/2026 | MR 2026 12 UNDER TEAM WINTER CARNIVAL | |
| 796 | Nathan Huo | 30.28 | 5 | A Min | AA: 29.89 (+0.39s | 1.3%) | Soda Fall | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | |
| 797 | Luke Lee | 30.28 | 10 | A Min | AA: 29.89 (+0.39s | 1.3%) | Suburban Seahawks Club | 12/11/2025 | 2025 Katie Ledecky Invitational | |
| 798 | Caleb Pelkey | 30.28 | 10 | A Min | AA: 29.89 (+0.39s | 1.3%) | Buckeye Swim Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 799 | Theron Montgomery | 30.28 | 10 | A Min | AA: 29.89 (+0.39s | 1.3%) | Estacada | 02/15/2025 | 2025 OR HS 4a 1 | |
| 800 | Gleb Nikishin | 30.29 | 10 | A Min | AA: 29.89 (+0.40s | 1.3%) | SwimRight Team | 10/25/2025 | 2025 FG YSF October 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.