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 | |
|---|---|---|---|---|---|---|---|---|---|
| 701 | Trey Cwayna | 29.70 | 10 | AA Min | AAA: 28.69 (+1.01s | 3.4%) | Seaholm High School | 02/25/2026 | 2026 Boys OAA Red Division Championships | |
| 702 | Evan Jun | 29.70 | 9 | AA Min | AAA: 28.69 (+1.01s | 3.4%) | Kamehameha Swim Club | 04/18/2026 | 44th Annual Harry Mamizuka Invitational | |
| 703 | Ken Lee | 29.70 | 10 | AA Min | AAA: 28.69 (+1.01s | 3.4%) | Jersey Flyers Aquatic Club | 12/05/2025 | 2025 MR NYS Holiday Classic Trials Finals | |
| 704 | Blake Wu | 29.72 | 10 | AA Min | AAA: 28.69 (+1.03s | 3.5%) | Bgc-N. Westchester Marlins | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 705 | Luke Ford | 29.72 | 9 | AA Min | AAA: 28.69 (+1.03s | 3.5%) | The Claremont Club | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 706 | Miley Timothy | 29.72 | 10 | AA Min | AAA: 28.69 (+1.03s | 3.5%) | Anacortes | 02/13/2026 | 2026 (WIAA) NW District 1 2A Boys HS OB | |
| 707 | Koki Tsujiuchi | 29.73 | 10 | AA Min | AAA: 28.69 (+1.04s | 3.5%) | Huntsville Swim Association | 03/19/2026 | 2026 NC TAC ESSZ Age Group Sectionals | |
| 708 | Allister Georgiou | 29.73 | 10 | AA Min | AAA: 28.69 (+1.04s | 3.5%) | McGrath Marlins Swim Team | 03/06/2026 | 2026 SI 14U AGE GRP CHAMPIONSHIPS | |
| 709 | Enzo Harter | 29.73 | 10 | AA Min | AAA: 28.69 (+1.04s | 3.5%) | Beaverton Area Aquatics Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 710 | Conrad Chiu | 29.74 | 10 | AA Min | AAA: 28.69 (+1.05s | 3.5%) | Corvallis Aquatic Team | 03/19/2026 | 2026 Northwest Region AG Champs Approved | |
| 711 | Aksel Hahn | 29.74 | 10 | AA Min | AAA: 28.69 (+1.05s | 3.5%) | Prairie | 02/14/2025 | 2025 District IV 3A 4A Mens Championships | |
| 712 | Nathaniel Wisniewski | 29.74 | 9 | AA Min | AAA: 28.69 (+1.05s | 3.5%) | Los Gatos | 04/22/2026 | 2026 SCVAL De Anza Division Championship Meet | |
| 713 | Henry Goddard | 29.74 | 10 | AA Min | AAA: 28.69 (+1.05s | 3.5%) | Lake Oswego Swim Club | 03/19/2026 | 2026 NW Region Age Group Champs Approved | |
| 714 | Deaglan Pindell | 29.74 | 9 | AA Min | AAA: 28.69 (+1.05s | 3.5%) | Philomath | 02/13/2026 | 2026 OR HS 4a 4 | |
| 715 | Mason Stout | 29.74 | 10 | AA Min | AAA: 28.69 (+1.05s | 3.5%) | Foxjets Swim Team | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 716 | Joseph Chung | 29.75 | 10 | AA Min | AAA: 28.69 (+1.06s | 3.6%) | SwimMAC Carolina | 02/26/2026 | 2026 NCS SC AG CHAMPS | |
| 717 | Cullen Owen | 29.76 | 10 | AA Min | AAA: 28.69 (+1.07s | 3.6%) | SwimMAC Carolina | 03/20/2026 | 2026 SwimRVA Clover Cup | |
| 718 | Andrew Vivo | 29.76 | 9 | AA Min | AAA: 28.69 (+1.07s | 3.6%) | Christopher Columbus High | 10/17/2025 | 2025 Belen Jesuit Invitational | |
| 719 | Taiyden Johnson | 29.76 | 9 | AA Min | AAA: 28.69 (+1.07s | 3.6%) | HOWELL HIGH SCHOOL (MI) | 02/26/2026 | 2026 KLAA B Conference Swim Meet | |
| 720 | Bryant Yang | 29.76 | 10 | AA Min | AAA: 28.69 (+1.07s | 3.6%) | Tac Titans | 03/19/2026 | 2026 NC TAC ESSZ Age Group Sectionals | |
| 721 | Viktor Despotovic | 29.77 | 9 | AA Min | AAA: 28.69 (+1.08s | 3.6%) | Los Gatos | 04/22/2026 | 2026 SCVAL De Anza Division Championship Meet | |
| 722 | Cameron Boitano | 29.77 | 10 | AA Min | AAA: 28.69 (+1.08s | 3.6%) | Pleasanton Seahawks | 03/20/2026 | SCY Spring Age Group Championships | |
| 723 | David Smith | 29.78 | 9 | AA Min | AAA: 28.69 (+1.09s | 3.7%) | Surge Aquatics | 02/28/2026 | 2026 ST SCY Surge Marsh Madness | |
| 724 | Logan Griffith | 29.79 | 10 | AA Min | AAA: 28.69 (+1.10s | 3.7%) | Hood River Valley | 02/12/2025 | 2025 OR HS 5a 1 | |
| 725 | 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 | |
| 726 | 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 | |
| 727 | 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 | |
| 728 | 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 | |
| 729 | Ian van Asselt | 29.83 | 9 | AA Min | AAA: 28.69 (+1.14s | 3.8%) | Lakeridge | 02/13/2026 | 2026 OR HS 6A 5 | |
| 730 | Landon Cornett | 29.83 | 9 | AA Min | AAA: 28.69 (+1.14s | 3.8%) | Nelson | 02/13/2026 | 2026 OR HS 6A 4 | |
| 731 | Nicholas Liu | 29.83 | 9 | AA Min | AAA: 28.69 (+1.14s | 3.8%) | Alto Swim Club | 03/07/2026 | DACA CBA Meet | |
| 732 | 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 | |
| 733 | 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 | |
| 734 | 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 | |
| 735 | 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 | |
| 736 | 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 | |
| 737 | 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 | |
| 738 | 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 | |
| 739 | Gabriel Brown | 29.84 | 10 | AA Min | AAA: 28.69 (+1.15s | 3.9%) | Unattached | 06/14/2024 | 2024 CZ Multi Cultural Meet | |
| 740 | 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 | |
| 741 | 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 | |
| 742 | 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 | |
| 743 | Henri Simard | 29.86 | 10 | AA Min | AAA: 28.69 (+1.17s | 3.9%) | Swim Florida | 03/05/2026 | 2026 Florida Swimming FLAGS SOUTH | |
| 744 | 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 | |
| 745 | Charlie Lockett | 29.87 | 10 | AA Min | AAA: 28.69 (+1.18s | 4.0%) | Nitro Swimming | 01/16/2026 | 2026 ST NTRO Winter Prelim Final Invite | |
| 746 | Nicholas Leonard | 29.87 | 10 | AA Min | AAA: 28.69 (+1.18s | 4.0%) | SwimMAC Carolina | 02/26/2026 | 2026 NCS SC AG CHAMPS | |
| 747 | 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 | |
| 748 | 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 | |
| 749 | 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 | |
| 750 | 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 | |
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.