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 | |
|---|---|---|---|---|---|---|---|---|---|
| 601 | JC Marquez | 29.54 | 10 | AA Min | AAA: 28.69 (+0.85s | 2.9%) | Heritage Aquatic Team | 03/05/2026 | 2026 FG Age Group SCY Championships | |
| 602 | Nathan Gordon | 29.54 | 10 | AA Min | AAA: 28.69 (+0.85s | 2.9%) | Irvine Novaquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 603 | Thiago Preciado | 29.55 | 5 | AA Min | AAA: 28.69 (+0.86s | 2.9%) | East Bay Bat Rays | 12/05/2025 | Pacific Swim SC C B BB+ Hosted By TERA | |
| 604 | Jefferson Chiang | 29.55 | 10 | AA Min | AAA: 28.69 (+0.86s | 2.9%) | Irvine Novaquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 605 | Luke Harriger | 29.55 | 10 | AA Min | AAA: 28.69 (+0.86s | 2.9%) | Lima Family YMCA Swim Team | 03/12/2026 | 2026 OH SC Junior Championships | |
| 606 | Clark Schibuk | 29.56 | 10 | AA Min | AAA: 28.69 (+0.87s | 2.9%) | Storm Aquatics | 04/10/2026 | 2026 GTSA TYR Spring Championship | |
| 607 | Wyatt Larson | 29.56 | 10 | AA Min | AAA: 28.69 (+0.87s | 2.9%) | Denver Swim Academy | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 608 | Jacob Hineman | 29.56 | 10 | AA Min | AAA: 28.69 (+0.87s | 2.9%) | Northern Dutchess Aquatic Club | 01/31/2026 | 2026 MR MWDA YBAR Sink Or Swim Invitational | |
| 609 | Hopper Clarke | 29.57 | 10 | AA Min | AAA: 28.69 (+0.88s | 3.0%) | Caldera | 02/14/2025 | 2025 OR HS 5a 4 | |
| 610 | Billy Jones | 29.58 | 10 | AA Min | AAA: 28.69 (+0.89s | 3.0%) | Wilsonville | 02/12/2025 | 2025 OR HS 5a 1 | |
| 611 | Benjamin Balmaceda | 29.58 | 10 | AA Min | AAA: 28.69 (+0.89s | 3.0%) | Alamo Heights Aquatic Club ? A | 02/20/2026 | 2026 ST AAAA SC STAGS | |
| 612 | Justus Waqainabete | 29.59 | 10 | AA Min | AAA: 28.69 (+0.90s | 3.0%) | Aulea Swim Club | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 613 | Logan Liew | 29.60 | 10 | AA Min | AAA: 28.69 (+0.91s | 3.1%) | Streamliner Aquatics | 03/19/2026 | 2026 Northwest Region AG Champs Approved | |
| 614 | Jackson Coslick | 29.60 | 9 | AA Min | AAA: 28.69 (+0.91s | 3.1%) | Annapolis Swim Club | 03/05/2026 | 2026 MD LSC 14 U Championships | |
| 615 | Colton Alex | 29.60 | 10 | AA Min | AAA: 28.69 (+0.91s | 3.1%) | Nation\\\\\\'s Capital Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 616 | Paxton Goldsborough | 29.61 | 10 | AA Min | AAA: 28.69 (+0.92s | 3.1%) | Academy Swim Club | 03/19/2026 | 2026 NW Region Age Group Champs Approved | |
| 617 | Cedric Gaskey | 29.62 | 10 | AA Min | AAA: 28.69 (+0.93s | 3.1%) | Philomath | 02/13/2026 | 2026 OR HS 4a 4 | |
| 618 | Graham Messink | 29.63 | 10 | AA Min | AAA: 28.69 (+0.94s | 3.2%) | Egra Waves | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 619 | Julian Phillips | 29.64 | 10 | AA Min | AAA: 28.69 (+0.95s | 3.2%) | Quicksilver Swimming | 03/20/2026 | SCY Spring Age Group Championships | |
| 620 | Dylan Friedberg | 29.64 | 10 | AA Min | AAA: 28.69 (+0.95s | 3.2%) | Hauppauge Swimming | 02/20/2026 | 2026 MR Silvers Championship South HAUP | |
| 621 | Isaac Dai | 29.64 | 9 | AA Min | AAA: 28.69 (+0.95s | 3.2%) | Mission Viejo Nadadores | 02/13/2026 | 2026 MVN Lunar AAPI Festival | |
| 622 | Hengrui Cao | 29.64 | 10 | AA Min | AAA: 28.69 (+0.95s | 3.2%) | Saline Swim Team | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 623 | Zane Deshayes | 29.65 | 10 | AA Min | AAA: 28.69 (+0.96s | 3.2%) | Rockville Montgomery Swim Club | 12/11/2025 | 2025 Riley Eaton Holiday Invitational | |
| 624 | Nathan Mickey | 29.65 | 9 | AA Min | AAA: 28.69 (+0.96s | 3.2%) | Harrison Township Lanse Creuse | 02/05/2026 | 2026 Boys Macomb County Championship Invite | |
| 625 | Cameron Ehrlich | 29.67 | 10 | AA Min | AAA: 28.69 (+0.98s | 3.3%) | Gators | 03/27/2026 | 2026 Sunshine State Showcase | |
| 626 | Ethan Hartley | 29.67 | 10 | AA Min | AAA: 28.69 (+0.98s | 3.3%) | Quest Swimming | 03/12/2026 | 2026 Virginia Swimming SC Age Group Champions | |
| 627 | Adam Nagy | 29.67 | 9 | AA Min | AAA: 28.69 (+0.98s | 3.3%) | South Lyon | 02/27/2026 | 2026 LVC Championship | |
| 628 | Ray Yu | 29.68 | 10 | AA Min | AAA: 28.69 (+0.99s | 3.3%) | Aquazot Swim Club | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 629 | Grayson Morin | 29.69 | 10 | AA Min | AAA: 28.69 (+1.00s | 3.4%) | Stanwood High School | 01/10/2026 | 2026 Kentridge High School Invitational Obse | |
| 630 | Brody Dennis | 29.69 | 10 | AA Min | AAA: 28.69 (+1.00s | 3.4%) | Foxjets Swim Team | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 631 | 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 | |
| 632 | 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 | |
| 633 | 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 | |
| 634 | Luke Ford | 29.72 | 10 | AA Min | AAA: 28.69 (+1.03s | 3.5%) | The Claremont Club | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 635 | 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 | |
| 636 | 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 | |
| 637 | Allister Georgiou | 29.73 | 10 | AA Min | AAA: 28.69 (+1.04s | 3.5%) | McGrath Marlins Swim Team | 07/10/2026 | 2026 SI SBA All Ages Last Chance Meet | |
| 638 | 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 | |
| 639 | 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 | |
| 640 | 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 | |
| 641 | 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 | |
| 642 | Deaglan Pindell | 29.74 | 9 | AA Min | AAA: 28.69 (+1.05s | 3.5%) | Philomath | 02/13/2026 | 2026 OR HS 4a 4 | |
| 643 | Joseph Chung | 29.75 | 10 | AA Min | AAA: 28.69 (+1.06s | 3.6%) | SwimMAC Carolina | 02/26/2026 | 2026 NCS SC AG CHAMPS | |
| 644 | Andrew Vivo | 29.76 | 9 | AA Min | AAA: 28.69 (+1.07s | 3.6%) | Christopher Columbus High | 10/17/2025 | 2025 Belen Jesuit Invitational | |
| 645 | 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 | |
| 646 | 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 | |
| 647 | Cameron Boitano | 29.77 | 10 | AA Min | AAA: 28.69 (+1.08s | 3.6%) | Pleasanton Seahawks | 03/20/2026 | SCY Spring Age Group Championships | |
| 648 | David Smith | 29.78 | 10 | AA Min | AAA: 28.69 (+1.09s | 3.7%) | Surge Aquatics | 02/28/2026 | 2026 ST SCY Surge Marsh Madness | |
| 649 | 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 | |
| 650 | 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 | |
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.