USA Boys 10 & under - 50 Y Back
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 3801 | Andrew Zhu | 45.00 | 10 | B Min | BB: 42.89 (+2.11s | 4.7%) | Rocky Mountain Rapids | 10/09/2026 | 2026 CO Gian Luc Jordan Open | |
| 3802 | Nathan Chen | 45.01 | 9 | B Min | BB: 42.89 (+2.12s | 4.7%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 3803 | Westley Butler | 45.01 | 10 | B Min | BB: 42.89 (+2.12s | 4.7%) | Greater Omaha Aquatics Leopard | 02/20/2026 | 2026 MW Midwestern Age Group Short Course | |
| 3804 | Axel Danielsen | 45.01 | 10 | B Min | BB: 42.89 (+2.12s | 4.7%) | Hood River Valley Swim Team | 05/09/2026 | 2026 Spring Sprinter Invitational | |
| 3805 | Chase Wickman | 45.01 | 10 | B Min | BB: 42.89 (+2.12s | 4.7%) | Excel Aquatics | 10/17/2026 | 2026 PN MMSC Fall Invite Approved | |
| 3806 | Ian Paredes | 45.02 | 10 | B Min | BB: 42.89 (+2.13s | 4.7%) | Northeast Houston Aquatics | 02/21/2025 | 2025 Gulf 12 Under Champs (NOCH) | |
| 3807 | Jude Mitchell | 45.02 | 8 | B Min | BB: 42.89 (+2.13s | 4.7%) | New Wave Swim Team | 02/07/2026 | 2026 MOR Snowflake 3 Meet | |
| 3808 | Evan Tsuchitani | 45.02 | 7 | B Min | BB: 42.89 (+2.13s | 4.7%) | Mason Makos Swim Team | 03/21/2026 | 2026 MAKO SPRING FLING | |
| 3809 | Alexander Woodard | 45.02 | 10 | B Min | BB: 42.89 (+2.13s | 4.7%) | Tsunamis Swim Team | 10/02/2026 | Early October Central Park Series | |
| 3810 | James Marcia | 45.02 | 8 | B Min | BB: 42.89 (+2.13s | 4.7%) | University Place Aquatic Club | 09/26/2026 | 2026 PN UPAC Fall Open Approved | |
| 3811 | Shep Spencer | 45.02 | 10 | B Min | BB: 42.89 (+2.13s | 4.7%) | Nitro Swimming | 10/18/2026 | 2026 ST TXLA 10 U Fall Kick Off Invite | |
| 3812 | Maxwell Kelsey | 45.03 | 9 | B Min | BB: 42.89 (+2.14s | 4.8%) | Almaden Riptide | 12/05/2025 | Zone 1S Year End Age Group Champs Minus Meet | |
| 3813 | Colin Swisher | 45.03 | 10 | B Min | BB: 42.89 (+2.14s | 4.8%) | Sioux Center Seahawks | 01/31/2026 | 2026 MW SCH Lorna Moss Winter Splash | |
| 3814 | Aaron Vainshtein | 45.03 | 9 | B Min | BB: 42.89 (+2.14s | 4.8%) | Rockville Montgomery Swim Club | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 3815 | Nicholas McFarlin | 45.03 | 10 | B Min | BB: 42.89 (+2.14s | 4.8%) | Magnolia Aquatic Club | 01/10/2025 | MAC 2025 Neon New Year Meet | |
| 3816 | Yadier Cruz-Cruz | 45.03 | 9 | B Min | BB: 42.89 (+2.14s | 4.8%) | Mississippi Makos Swim Team | 12/05/2025 | 2025 SE Christmas In Auburn | |
| 3817 | Lowen Joyce | 45.03 | 10 | B Min | BB: 42.89 (+2.14s | 4.8%) | Team Sopris Swimming | 05/16/2026 | 2026 CO Sopris FAST Challenge | |
| 3818 | Andrew Kenly | 45.03 | 10 | B Min | BB: 42.89 (+2.14s | 4.8%) | Avon Swim Club | 05/16/2026 | 2026 CO Sopris FAST Challenge | |
| 3819 | Parker Katilus | 45.03 | 9 | B Min | BB: 42.89 (+2.14s | 4.8%) | Hamburg Swim Club | 10/17/2026 | AMTS 2026 Small Club Fall Invite | |
| 3820 | Tyler Furie | 45.04 | 9 | B Min | BB: 42.89 (+2.15s | 4.8%) | Bgc-N. Westchester Marlins | 03/07/2026 | 2026 MR AGUA Last Chance Invitational | |
| 3821 | Emmett Gasior | 45.04 | 10 | B Min | BB: 42.89 (+2.15s | 4.8%) | Naval Academy Aquatic Club | 11/07/2025 | 2025 CAC 5th Annual Zachary Spain Memorial Me | |
| 3822 | Jack Willey | 45.04 | 10 | B Min | BB: 42.89 (+2.15s | 4.8%) | Almaden Riptide | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 3823 | Bennett Rhodes | 45.04 | 10 | B Min | BB: 42.89 (+2.15s | 4.8%) | Nation\\\\\\'s Capital Swim Club | 12/04/2025 | 2025 RAYS Nutcracker Classic Copied | |
| 3824 | Rodion Podliesnov | 45.04 | 9 | B Min | BB: 42.89 (+2.15s | 4.8%) | Longhorn Aquatics | 10/18/2026 | 2026 ST TXLA 10 U Fall Kick Off Invite | |
| 3825 | Aidan Lopez | 45.05 | 9 | B Min | BB: 42.89 (+2.16s | 4.8%) | Fall River YMCA Lightning | 03/21/2026 | 2026 NE YNS YMCA New England Championship | |
| 3826 | Bryce Rutherford | 45.05 | 10 | B Min | BB: 42.89 (+2.16s | 4.8%) | Bowling Green Swim Club | 02/19/2026 | 2026 OH SOS SC Regional Championships | |
| 3827 | Michael Yin | 45.05 | 9 | B Min | BB: 42.89 (+2.16s | 4.8%) | Nova of Virginia | 10/04/2025 | NOVA 12 Under Kick Off Copied | |
| 3828 | Elijah Pulley | 45.05 | 9 | B Min | BB: 42.89 (+2.16s | 4.8%) | Huntsville Swim Association | 09/26/2026 | 2026 Ricky Hui Meet | |
| 3829 | Yuriy Subbotin | 45.05 | 10 | B Min | BB: 42.89 (+2.16s | 4.8%) | Palo Alto Stanford Aquatics | 10/24/2026 | SUNN Fall Classic 2026 | |
| 3830 | Theo Eisenhart | 45.06 | 9 | B Min | BB: 42.89 (+2.17s | 4.8%) | Benton Harbor-St. Joseph YMCA | 02/21/2026 | 2026 Michigan YMCA Clusters Championship | |
| 3831 | Elliott Rice | 45.06 | 9 | B Min | BB: 42.89 (+2.17s | 4.8%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 12/06/2025 | SLA Holiday Blast | |
| 3832 | Luca Ciobanu | 45.06 | 8 | B Min | BB: 42.89 (+2.17s | 4.8%) | Phoenix Aquatic Club | 03/07/2026 | 2026 MR Metro 8 Under Championships | |
| 3833 | John Prosser | 45.06 | 10 | B Min | BB: 42.89 (+2.17s | 4.8%) | SwimRVA | 03/20/2026 | 2026 SwimRVA Clover Cup | |
| 3834 | Isaac Welmerink | 45.06 | 10 | B Min | BB: 42.89 (+2.17s | 4.8%) | Lakeridge Swim Team | 10/16/2026 | 2026 KING OF THE HILL CHALLENGE | |
| 3835 | August Funk | 45.06 | 10 | B Min | BB: 42.89 (+2.17s | 4.8%) | California Capital Aquatics | 09/26/2026 | 2026 CCA Spook Tacular | |
| 3836 | David Smith | 45.06 | 10 | B Min | BB: 42.89 (+2.17s | 4.8%) | Surge Aquatics | 10/17/2026 | 2026 ST SRG SCY Surgetoberfest | |
| 3837 | Josiah Camarena | 45.07 | 10 | B Min | BB: 42.89 (+2.18s | 4.8%) | Stingrays Swim Team | 01/10/2026 | 2026 RAYS Jeff Rouse Invitational | |
| 3838 | Allan Newbury | 45.07 | 7 | B Min | BB: 42.89 (+2.18s | 4.8%) | Twisters Swim Club | 01/17/2026 | 2026 MR AGUA MLK Invitational | |
| 3839 | Hadam Bang | 45.07 | 10 | B Min | BB: 42.89 (+2.18s | 4.8%) | Palo Alto Stanford Aquatics | 01/24/2026 | 2026 Zone 1 North Championships | |
| 3840 | Benjamin Cole | 45.07 | 10 | B Min | BB: 42.89 (+2.18s | 4.8%) | Tollefson Swimming | 01/17/2026 | PVS January Open 2026 Fairland | |
| 3841 | Seth DiMarco | 45.07 | 10 | B Min | BB: 42.89 (+2.18s | 4.8%) | Mystic Hammerheads | 03/21/2026 | 2026 NE YNS YMCA New England Championship | |
| 3842 | Alex Wu | 45.07 | 8 | B Min | BB: 42.89 (+2.18s | 4.8%) | Santa Clara Swim Club | 07/25/2026 | 2026 DACA SC CBA Meet | |
| 3843 | Evan Williams | 45.07 | 8 | B Min | BB: 42.89 (+2.18s | 4.8%) | Waves Of Wilmington Inc | 04/17/2026 | 2026 Spring Showers NSEA V WOW Dual Meet | |
| 3844 | August Justus | 45.07 | 9 | B Min | BB: 42.89 (+2.18s | 4.8%) | Mission Aurora Colorado Swimmi | 10/16/2026 | 2026 CO MACS Fall Invitational | |
| 3845 | Winston Nickum | 45.07 | 9 | B Min | BB: 42.89 (+2.18s | 4.8%) | SlipStream Aquatics | 10/24/2026 | 2026 CO LONG Great Pumpkin Pentathlon | |
| 3846 | Landon Warren | 45.08 | 10 | B Min | BB: 42.89 (+2.19s | 4.9%) | City of Mobile Swim Associatio | 02/13/2026 | 2026 SES Region 4 Championships | |
| 3847 | Bowen Glancy | 45.08 | 10 | B Min | BB: 42.89 (+2.19s | 4.9%) | Mako Aquatics | 02/27/2026 | 2026 MN WEST Minnesota Regional Championship | |
| 3848 | Evan Kang | 45.08 | 10 | B Min | BB: 42.89 (+2.19s | 4.9%) | Puffins Swimming | 10/03/2026 | 2026 De Anza Cupertino Aquatics SC CBA Meet | |
| 3849 | Rockwell Ringold | 45.09 | 9 | B Min | BB: 42.89 (+2.20s | 4.9%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 01/16/2026 | 2026 Odd Age Classic | |
| 3850 | Steven Luo | 45.09 | 9 | B Min | BB: 42.89 (+2.20s | 4.9%) | Rockville Montgomery Swim Club | 12/11/2025 | 2025 Riley Eaton Holiday Invitational | |
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.