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 | Clayton Chester | 29.80 | 10 | AA Min | AAA: 28.69 (+1.11s | 3.7%) | Heartland Swim Assoc | 03/06/2026 | 2026 SI 14U AGE GRP CHAMPIONSHIPS | |
| 752 | Harrison Band | 29.80 | 10 | AA Min | AAA: 28.69 (+1.11s | 3.7%) | Nation\\\\\\'s Capital Swim Club | 12/11/2025 | 2025 Katie Ledecky Invitational | |
| 753 | Yihong Xiang | 29.81 | 10 | AA Min | AAA: 28.69 (+1.12s | 3.8%) | Tualatin Hills Swim Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 754 | David Goldenberg | 29.82 | 10 | AA Min | AAA: 28.69 (+1.13s | 3.8%) | Bellevue Club Swim Team | 02/27/2026 | 2026 PN Feb Age Group Invite,Div 3 Approved | |
| 755 | Hyeonik Jo | 29.83 | 10 | AA Min | AAA: 28.69 (+1.14s | 3.8%) | Irvine Novaquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 756 | Ian van Asselt | 29.83 | 9 | AA Min | AAA: 28.69 (+1.14s | 3.8%) | Lakeridge | 02/13/2026 | 2026 OR HS 6A 5 | |
| 757 | Landon Cornett | 29.83 | 9 | AA Min | AAA: 28.69 (+1.14s | 3.8%) | Nelson | 02/13/2026 | 2026 OR HS 6A 4 | |
| 758 | Zubin Reuter | 29.83 | 10 | AA Min | AAA: 28.69 (+1.14s | 3.8%) | Asphalt Green Unified Aquatics | 12/05/2025 | 2025 MR NYS Holiday Classic Trials Finals | |
| 759 | Nicholas Liu | 29.83 | 9 | AA Min | AAA: 28.69 (+1.14s | 3.8%) | Alto Swim Club | 03/07/2026 | DACA CBA Meet | |
| 760 | Aleksandr Rybin | 29.83 | 10 | AA Min | AAA: 28.69 (+1.14s | 3.8%) | King Aquatic Club | 03/19/2026 | 2026 Northwest Region AG Champs Approved | |
| 761 | Leonardo Maia | 29.83 | 10 | AA Min | AAA: 28.69 (+1.14s | 3.8%) | Swim Coral Springs | 10/25/2025 | 2025 FG YSF October Invite | |
| 762 | Alan Su | 29.83 | 10 | AA Min | AAA: 28.69 (+1.14s | 3.8%) | Stamford Sailfish Aquatic Club | 12/11/2025 | 2025 NE CRA Winter Invitational | |
| 763 | Yashovar Nallannagari | 29.84 | 10 | AA Min | AAA: 28.69 (+1.15s | 3.9%) | Nitro Swimming | 01/31/2026 | 2026 ST NTRO Fiery Flames | |
| 764 | Noah Mobasseri | 29.84 | 9 | AA Min | AAA: 28.69 (+1.15s | 3.9%) | Aquazot Swim Club | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 765 | Andres Gomez | 29.84 | 10 | AA Min | AAA: 28.69 (+1.15s | 3.9%) | South Florida Aquatic Club | 11/21/2025 | 2025 SoFlo Last Chance And Holiday Classic | |
| 766 | Gabriel Brown | 29.84 | 10 | AA Min | AAA: 28.69 (+1.15s | 3.9%) | Unattached | 06/14/2024 | 2024 CZ Multi Cultural Meet | |
| 767 | Nickson Sy | 29.84 | 9 | AA Min | AAA: 28.69 (+1.15s | 3.9%) | Cleveland | 02/13/2026 | 2026 (WIAA)Sea King Dist II 1A 2A Boys HS OB | |
| 768 | Zac Sonne | 29.84 | 10 | AA Min | AAA: 28.69 (+1.15s | 3.9%) | Indian River Aquatics | 03/05/2026 | 2026 Florida Swimming FLAGS SOUTH | |
| 769 | Jacob YU | 29.85 | 10 | AA Min | AAA: 28.69 (+1.16s | 3.9%) | Twisters Swim Club | 11/28/2025 | 2025 MR LIE Thanksgiving Invitational | |
| 770 | Walter Speicher | 29.86 | 9 | AA Min | AAA: 28.69 (+1.17s | 3.9%) | Monocacy Aquatic Club | 03/05/2026 | 2026 MD LSC 14 U Championships | |
| 771 | Henri Simard | 29.86 | 9 | AA Min | AAA: 28.69 (+1.17s | 3.9%) | Swim Florida | 03/05/2026 | 2026 Florida Swimming FLAGS SOUTH | |
| 772 | Bryan Jing | 29.86 | 10 | AA Min | AAA: 28.69 (+1.17s | 3.9%) | Rockville Montgomery Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 773 | William Cravens | 29.87 | 10 | AA Min | AAA: 28.69 (+1.18s | 4.0%) | York Swim Club of Northern Vir | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 774 | Charlie Lockett | 29.87 | 9 | AA Min | AAA: 28.69 (+1.18s | 4.0%) | Nitro Swimming | 01/16/2026 | 2026 ST NTRO Winter Prelim Final Invite | |
| 775 | Thomas Sayer | 29.87 | 10 | AA Min | AAA: 28.69 (+1.18s | 4.0%) | Foxjets Swim Team | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 776 | Nicholas Leonard | 29.87 | 10 | AA Min | AAA: 28.69 (+1.18s | 4.0%) | SwimMAC Carolina | 02/26/2026 | 2026 NCS SC AG CHAMPS | |
| 777 | Andrew Aldonas | 29.88 | 10 | AA Min | AAA: 28.69 (+1.19s | 4.0%) | Arlington Aquatic Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 778 | Duke Layco | 29.88 | 10 | AA Min | AAA: 28.69 (+1.19s | 4.0%) | Hawaii Swimming Club | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 779 | Tatetum Sires | 29.88 | 9 | AA Min | AAA: 28.69 (+1.19s | 4.0%) | East Valley (Yakima) | 01/10/2026 | 2026 Kentridge High School Invitational Obse | |
| 780 | Thomas Afonin | 29.89 | 10 | AA Min | AAA: 28.69 (+1.20s | 4.0%) | Shorefront Ym-Ywha | 01/10/2026 | 2026 MR FREE Freedom Winter Magic | |
| 781 | Nathan Zammit | 29.90 | 10 | A Min | AA: 29.89 (+0.01s | 0.0%) | Atlantis Swimming | 02/27/2026 | 2026 MCSA Junior Cup | |
| 782 | Hongjie Xiao | 29.90 | 8 | A Min | AA: 29.89 (+0.01s | 0.0%) | Irvine Novaquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 783 | Isaac Zepeda | 29.90 | 10 | A Min | AA: 29.89 (+0.01s | 0.0%) | South Gate Aquatics Club | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 784 | William Wang | 29.91 | 10 | A Min | AA: 29.89 (+0.02s | 0.1%) | Pacific Dragons Swim Team | 03/19/2026 | 2026 NW Region Age Group Champs Approved | |
| 785 | Erik Serbinenko | 29.91 | 10 | A Min | AA: 29.89 (+0.02s | 0.1%) | Crimson Aquatics | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 786 | Nimalan Venkatesan | 29.92 | 10 | A Min | AA: 29.89 (+0.03s | 0.1%) | Glacier Peak | 02/12/2025 | 2025 Northwest District 1 4A Boys HS Champs | |
| 787 | Oliver Gist-Pitts | 29.92 | 10 | A Min | AA: 29.89 (+0.03s | 0.1%) | Boulder Swim Team | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 788 | Isaac Carter | 29.92 | 10 | A Min | AA: 29.89 (+0.03s | 0.1%) | Enfinity Aquatic Club | 03/20/2026 | 2026 SwimRVA Clover Cup | |
| 789 | Elliott Root | 29.92 | 9 | A Min | AA: 29.89 (+0.03s | 0.1%) | South Lyon | 02/27/2026 | 2026 LVC Championship | |
| 790 | Luke Rowan | 29.93 | 10 | A Min | AA: 29.89 (+0.04s | 0.1%) | Club Husker | 02/20/2026 | 2026 MW Midwestern Age Group Short Course | |
| 791 | John Pekkanen | 29.93 | 10 | A Min | AA: 29.89 (+0.04s | 0.1%) | All Star Aquatics | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 792 | Joonsoo Kwon | 29.93 | 10 | A Min | AA: 29.89 (+0.04s | 0.1%) | North Baltimore Aquatic Club | 03/05/2026 | 2026 MD LSC 14 U Championships | |
| 793 | Asher Young | 29.93 | 10 | A Min | AA: 29.89 (+0.04s | 0.1%) | Terrapins Swim Team | 03/20/2026 | SCY Spring Age Group Championships | |
| 794 | Ryan Kim | 29.93 | 10 | A Min | AA: 29.89 (+0.04s | 0.1%) | Saline Swim Team | 11/07/2025 | 25th Annual A3 Red, White, And Blue Classic | |
| 795 | Ryan Nesmith | 29.94 | 10 | A Min | AA: 29.89 (+0.05s | 0.2%) | Swim Florida | 02/07/2026 | 2026 GCST WINTER OPEN | |
| 796 | Daniel Nelasov | 29.95 | 10 | A Min | AA: 29.89 (+0.06s | 0.2%) | Jersey Wahoos | 11/07/2025 | 2025 Mid Atlantic AG Championship Showdown | |
| 797 | Adrian Vazquez-Alcaraz | 29.96 | 10 | A Min | AA: 29.89 (+0.07s | 0.2%) | Robert A Long | 01/11/2025 | 2025 Kentridge HS Invitational BOYS OBSERVED | |
| 798 | Jonah Magness | 29.96 | 10 | A Min | AA: 29.89 (+0.07s | 0.2%) | Lebanon | 02/15/2025 | 2025 OR HS 5a 3 | |
| 799 | Lucas Stocker | 29.96 | 10 | A Min | AA: 29.89 (+0.07s | 0.2%) | Coastal Machine Aquatics Club | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 800 | Brody Robertson | 29.96 | 9 | A Min | AA: 29.89 (+0.07s | 0.2%) | Kentridge | 01/10/2026 | 2026 Kentridge High School Invitational Obse | |
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.