USA Boys 10 & under - 50 M 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 801 | Artemii Ilchenko | 39.94 | 9 | B Min | BB: 39.79 (+0.15s | 0.4%) | San Antonio Wave | 05/15/2026 | 2026 ST NIST Salute To The Troops | |
| 802 | Zhouhan Yang | 39.95 | 10 | B Min | BB: 39.79 (+0.16s | 0.4%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 803 | Anthony Ma | 39.95 | 10 | B Min | BB: 39.79 (+0.16s | 0.4%) | Cottonwood Heights Aquatics | 05/08/2025 | 2025 HAST Janet Oles LC Classic | |
| 804 | Samuel Zhou | 39.95 | 10 | B Min | BB: 39.79 (+0.16s | 0.4%) | Bay Club Panthers | 05/02/2026 | Alto Spring Jam CBA | |
| 805 | Ahaan Iragavarapu | 39.96 | 10 | B Min | BB: 39.79 (+0.17s | 0.4%) | Pro Swimming | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 806 | Tatsumasa Sekine | 39.97 | 9 | B Min | BB: 39.79 (+0.18s | 0.5%) | Santa Clara Swim Club | 05/30/2025 | SCSC Pacific Swimming Long Course Intrasquad | |
| 807 | Ethan Holmgren | 39.98 | 10 | B Min | BB: 39.79 (+0.19s | 0.5%) | North Jeffco Swim Team | 04/12/2026 | 2026 CO NJ SBL Pentathlon 12 U | |
| 808 | Brooks Noblett | 39.98 | 10 | B Min | BB: 39.79 (+0.19s | 0.5%) | Westlake Aquatic Facility | 04/19/2026 | 2026 ST TXLA 10 U Long Course Kick Off | |
| 809 | Charles Tan | 39.99 | 10 | B Min | BB: 39.79 (+0.20s | 0.5%) | Eastside Aquatic Swim Team | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 810 | Joshua Wheaton | 39.99 | 10 | B Min | BB: 39.79 (+0.20s | 0.5%) | Tualatin Hills Swim Club | 05/01/2026 | 2026 THSC Spring Invite | |
| 811 | Walter Ogdon | 39.99 | 10 | B Min | BB: 39.79 (+0.20s | 0.5%) | Tualatin Hills Swim Club | 05/01/2026 | 2026 THSC Spring Invite | |
| 812 | Nathan Selinger | 39.99 | 10 | B Min | BB: 39.79 (+0.20s | 0.5%) | Minnetonka Swim Club | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 813 | John Stetson | 40.01 | 10 | B Min | BB: 39.79 (+0.22s | 0.5%) | Bolles School Sharks | 06/20/2025 | 2025 Planet Swim Summer Championships | |
| 814 | Ico Tamayo | 40.02 | 9 | B Min | BB: 39.79 (+0.23s | 0.6%) | Cali Piranha Swim Team | 05/23/2026 | SI 2026 TAC CSTE All Ages NTS Meet | |
| 815 | Aiden Hu | 40.03 | 10 | B Min | BB: 39.79 (+0.24s | 0.6%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 816 | Kai Christian | 40.03 | 10 | B Min | BB: 39.79 (+0.24s | 0.6%) | Swim Melbourne | 05/23/2025 | 2025 Dr Aspi Doctor Memorial Invitational | |
| 817 | Dario Torres | 40.03 | 10 | B Min | BB: 39.79 (+0.24s | 0.6%) | South Florida Stallions | 05/15/2026 | 2026 Gulliver LCM Summer Classic | |
| 818 | Ely Erickson | 40.04 | 9 | B Min | BB: 39.79 (+0.25s | 0.6%) | Hill Country Aquatics | 05/01/2026 | 2026 ST HCA Long Course Invitational | |
| 819 | Jamie Pan | 40.04 | 10 | B Min | BB: 39.79 (+0.25s | 0.6%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 820 | Vivaan Jagadish | 40.05 | 10 | B Min | BB: 39.79 (+0.26s | 0.6%) | Tualatin Hills Swim Club | 05/01/2026 | 2026 THSC Spring Invite | |
| 821 | Cayden Lin | 40.05 | 10 | B Min | BB: 39.79 (+0.26s | 0.6%) | Rosemead Rapids | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 822 | Theodore Puscas | 40.05 | 9 | B Min | BB: 39.79 (+0.26s | 0.6%) | Issaquah Swim Team | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 823 | Bennett Meusel | 40.06 | 10 | B Min | BB: 39.79 (+0.27s | 0.7%) | South East Metro Sharks | 05/29/2025 | 2025 MN WOLF HUFF N PUFF INVITE | |
| 824 | Isaiah Fadillah | 40.07 | 10 | B Min | BB: 39.79 (+0.28s | 0.7%) | California Dolphins Swim Team | 05/02/2026 | Alto Spring Jam CBA | |
| 825 | Pranav Chandramouli | 40.07 | 10 | B Min | BB: 39.79 (+0.28s | 0.7%) | Gold\\\\\\'s Aquatics Club | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 826 | Caleb Verner | 40.07 | 9 | B Min | BB: 39.79 (+0.28s | 0.7%) | Riptide Swim Team | 05/02/2026 | 2026 MN RSC Pentathlon | |
| 827 | Lucas Ryder | 40.08 | 8 | B Min | BB: 39.79 (+0.29s | 0.7%) | YMCA of Austin Swim Alliance | 04/25/2026 | 2026 ST CCSS LC Unclassified | |
| 828 | Demid Mozgov | 40.08 | 10 | B Min | BB: 39.79 (+0.29s | 0.7%) | Bure-Aqua Academy | 05/16/2025 | 2025 CO ACES Spring Invite | |
| 829 | Ezekiel Braun | 40.09 | 9 | B Min | BB: 39.79 (+0.30s | 0.7%) | Greater Tampa Swim Association | 05/01/2026 | 2026 Stingrays Cinco De Mayo LCM Meet | |
| 830 | Oliver Pearce | 40.09 | 10 | B Min | BB: 39.79 (+0.30s | 0.7%) | Aces Swim Club | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 831 | Derek Chavez | 40.09 | 10 | B Min | BB: 39.79 (+0.30s | 0.7%) | Hialeah Swim Club | 04/25/2026 | 2026 Azura Spring Open LCM Invit | |
| 832 | Connor McLemore | 40.10 | 9 | B Min | BB: 39.79 (+0.31s | 0.8%) | Sun Coast Swim Team | 04/17/2026 | 2026 SAINT PETE S 1st LONG COURSE MEET | |
| 833 | Tang Zheng | 40.10 | 9 | B Min | BB: 39.79 (+0.31s | 0.8%) | Clearwater Aquatic Team | 06/07/2025 | 2025 Stingrays LCM Meet | |
| 834 | James Ballard | 40.11 | 10 | B Min | BB: 39.79 (+0.32s | 0.8%) | Rochester Swim Club | 07/18/2025 | 2025 MN MTKA Minnesota Regional Championship | |
| 835 | Jonathan Engle | 40.11 | 9 | B Min | BB: 39.79 (+0.32s | 0.8%) | Mission Valley YMCA | 05/23/2026 | SI 2026 TAC CSTE All Ages NTS Meet | |
| 836 | Gabriel Terrones | 40.11 | 10 | B Min | BB: 39.79 (+0.32s | 0.8%) | Team Eugene Aquatics | 06/06/2025 | 2025 THSC June Invitational | |
| 837 | Price Kabinoff | 40.11 | 8 | B Min | BB: 39.79 (+0.32s | 0.8%) | Sarasota Tsunami Swim Team | 05/02/2026 | 2026 Sea Dragon May Open | |
| 838 | Zachariah Cornine | 40.12 | 10 | B Min | BB: 39.79 (+0.33s | 0.8%) | South Lake Aquatic Club | 04/25/2026 | 11th Annual Hohne Memorial Invitational | |
| 839 | Eli Lawson | 40.12 | 9 | B Min | BB: 39.79 (+0.33s | 0.8%) | Dolphin Aquatics | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 840 | Aiden Huang | 40.13 | 10 | B Min | BB: 39.79 (+0.34s | 0.8%) | DeAnza Cupertino Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 841 | Cameron Lim | 40.13 | 9 | B Min | BB: 39.79 (+0.34s | 0.8%) | Seattle Metropolitan Aquatic C | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 842 | Marcus Pass | 40.14 | 9 | B Min | BB: 39.79 (+0.35s | 0.9%) | Sioux Falls Swim Team | 04/25/2025 | Augustana Spring Splash 2025 | |
| 843 | Elwood Zygarlicke | 40.14 | 10 | B Min | BB: 39.79 (+0.35s | 0.9%) | West Express Swim Team | 07/18/2025 | 2025 MN TUNA Minnesota Regional Championship | |
| 844 | Vincent Nan | 40.14 | 10 | B Min | BB: 39.79 (+0.35s | 0.9%) | Pacific Dragons Swim Team | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 845 | William Palumbo | 40.15 | 10 | B Min | BB: 39.79 (+0.36s | 0.9%) | Nova of Virginia | 07/11/2024 | 2024 RAYS Summer Awards | |
| 846 | Liber Liao | 40.15 | 8 | B Min | BB: 39.79 (+0.36s | 0.9%) | West Coast Aquatics | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 847 | Weston Leingang | 40.16 | 10 | B Min | BB: 39.79 (+0.37s | 0.9%) | Avon Swim Club | 05/02/2026 | 2026 CO Longmont IMR IMX Adrenaline Gauntlet | |
| 848 | Ethan Wang | 40.16 | 9 | B Min | BB: 39.79 (+0.37s | 0.9%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 849 | Benjamin Verhoef | 40.17 | 9 | B Min | BB: 39.79 (+0.38s | 0.9%) | Bolles School Sharks | 04/10/2026 | 2026 April Classic | |
| 850 | Eli Wilden | 40.19 | 10 | B Min | BB: 39.79 (+0.40s | 1.0%) | Nitro Swimming | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
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.