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 | |
|---|---|---|---|---|---|---|---|---|---|
| 201 | Hongjie Xiao | 35.46 | 8 | A Min | AA: 34.39 (+1.07s | 3.0%) | Irvine Novaquatics | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 202 | Ian Jo | 35.47 | 10 | A Min | AA: 34.39 (+1.08s | 3.0%) | Irvine Novaquatics | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 203 | Preston Mathis | 35.49 | 10 | A Min | AA: 34.39 (+1.10s | 3.1%) | Seahawks Swim Team | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 204 | Aedan Allen | 35.49 | 10 | A Min | AA: 34.39 (+1.10s | 3.1%) | Unattached | 04/19/2026 | 2026 ST WLOO Classic | |
| 205 | Michael Ma | 35.49 | 10 | A Min | AA: 34.39 (+1.10s | 3.1%) | Sarasota Sharks | 05/15/2026 | 2026 Kent B Holdren Memorial Meet | |
| 206 | Preston Tran | 35.51 | 10 | A Min | AA: 34.39 (+1.12s | 3.2%) | Irvine Novaquatics | 06/12/2025 | 2025 June Age Group Invite | |
| 207 | Kaden Sun | 35.52 | 9 | A Min | AA: 34.39 (+1.13s | 3.2%) | Lakeside Aquatic Club | 07/16/2025 | 2025 Texas Age Group Championships | |
| 208 | Simiao He | 35.52 | 10 | A Min | AA: 34.39 (+1.13s | 3.2%) | Circle C Select Swim Team | 04/25/2026 | 2026 ST CCSS LC Unclassified | |
| 209 | Matias Cardona | 35.53 | 10 | A Min | AA: 34.39 (+1.14s | 3.2%) | SwimFast | 04/25/2026 | 2026 Azura Spring Open LCM Invit | |
| 210 | Duke Layco | 35.53 | 10 | A Min | AA: 34.39 (+1.14s | 3.2%) | Hawaii Swimming Club | 05/02/2026 | Keiko Price Sprint Meet Aloha Mile | |
| 211 | Zachary Mokhiber | 35.56 | 10 | A Min | AA: 34.39 (+1.17s | 3.3%) | T2 Aquatics | 05/02/2026 | 2026 Sea Dragon May Open | |
| 212 | Cana Oyer | 35.63 | 10 | A Min | AA: 34.39 (+1.24s | 3.5%) | Sporting Jax Aquatic Club | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 213 | Aiden Chung | 35.65 | 10 | A Min | AA: 34.39 (+1.26s | 3.5%) | Patriot Swim Club | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 214 | Leon Escarcega Hernandez | 35.66 | 10 | A Min | AA: 34.39 (+1.27s | 3.6%) | Halcones Marinos Capn | 05/02/2025 | 2025 ST 22nd Annual Cinco De Mayo | |
| 215 | Lorenzo Alberani | 35.67 | 10 | A Min | AA: 34.39 (+1.28s | 3.6%) | Azura Florida Aquatics | 04/25/2026 | 2026 Azura Spring Open LCM Invit | |
| 216 | Mason Sovich | 35.69 | 9 | A Min | AA: 34.39 (+1.30s | 3.6%) | Olympic Cascade Aquatics | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 217 | Eames Meek | 35.69 | 10 | A Min | AA: 34.39 (+1.30s | 3.6%) | Highlander Aquatic Club | 06/12/2025 | 2025 RAFC Summer Solstice | |
| 218 | Declan Wang | 35.70 | 10 | BB Min | A: 35.69 (+0.01s | 0.0%) | Fast Swim Team | 07/25/2024 | 2024 CA SCS GWSC Summer A G Champs | |
| 219 | Lucas Pan | 35.71 | 9 | BB Min | A: 35.69 (+0.02s | 0.1%) | Santa Clara Swim Club | 07/11/2025 | 2025 Age Group Championships | |
| 220 | Parker Sampson | 35.74 | 10 | BB Min | A: 35.69 (+0.05s | 0.1%) | Denver Swim Academy | 05/16/2026 | 2026 CO Hilltopper Invite | |
| 221 | Colt Sivells | 35.74 | 10 | BB Min | A: 35.69 (+0.05s | 0.1%) | Southwest Stars Swim Club | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 222 | Nhat Tran | 35.77 | 9 | BB Min | A: 35.69 (+0.08s | 0.2%) | Olympic Cascade Aquatics | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 223 | Adam Ma | 35.79 | 10 | BB Min | A: 35.69 (+0.10s | 0.3%) | California Dolphins Swim Team | 04/25/2026 | San Ramon Valley Aquatics Long Course C B BB+ | |
| 224 | Archer Sewell | 35.79 | 10 | BB Min | A: 35.69 (+0.10s | 0.3%) | Longhorn Aquatics | 04/19/2026 | 2026 ST TXLA 10 U Long Course Kick Off | |
| 225 | Xander Liu | 35.81 | 10 | BB Min | A: 35.69 (+0.12s | 0.3%) | Sailfish | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 226 | Isaac Osegueda | 35.82 | 10 | BB Min | A: 35.69 (+0.13s | 0.4%) | YMCA of Austin Swim Alliance | 04/19/2026 | 2026 ST TXLA 10 U Long Course Kick Off | |
| 227 | Matias Hosein | 35.83 | 10 | BB Min | A: 35.69 (+0.14s | 0.4%) | Gulliver Swim Club | 05/15/2026 | 2026 Gulliver LCM Summer Classic | |
| 228 | Samuel Fuller | 35.84 | 10 | BB Min | A: 35.69 (+0.15s | 0.4%) | Rose Bowl Aquatics | 06/12/2025 | 2025 CA SCS RAA June Age Group Championships | |
| 229 | Abraham Cheng | 35.84 | 10 | BB Min | A: 35.69 (+0.15s | 0.4%) | Aquazot Swim Club | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 230 | Kash James | 35.85 | 9 | BB Min | A: 35.69 (+0.16s | 0.4%) | Coastal Aquatic Club | 04/25/2025 | 14th Annual JAX50 Sprint Dual Challenge | |
| 231 | Lukas Bell | 35.86 | 10 | BB Min | A: 35.69 (+0.17s | 0.5%) | SwimRVA | 06/27/2024 | NOVA Firecracker Classic | |
| 232 | Alexander Mekjian | 35.86 | 10 | BB Min | A: 35.69 (+0.17s | 0.5%) | North Coast Aquatics | 04/24/2026 | 2026 SI PS ABB Meet B Group | |
| 233 | Alister Carlton | 35.87 | 9 | BB Min | A: 35.69 (+0.18s | 0.5%) | Nitro Swimming | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 234 | Robert Lalji | 35.88 | 9 | BB Min | A: 35.69 (+0.19s | 0.5%) | Swim Fort Lauderdale | 05/15/2026 | 2026 Gulliver LCM Summer Classic | |
| 235 | Adelynn Spurlin | 35.89 | 10 | BB Min | A: 35.69 (+0.20s | 0.6%) | North Jeffco Swim Team | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 236 | Andrei Sanchez | 35.89 | 10 | BB Min | A: 35.69 (+0.20s | 0.6%) | Island Aquatics | 04/19/2026 | 2026 MAGSA LCM A1 Meet | |
| 237 | Mason Nordin | 35.90 | 10 | BB Min | A: 35.69 (+0.21s | 0.6%) | Foxjets Swim Team | 05/02/2026 | 2026 MN RSC Pentathlon | |
| 238 | Sameer Pai | 35.90 | 10 | BB Min | A: 35.69 (+0.21s | 0.6%) | Aquajets Swim Team | 05/02/2026 | 2026 MN RSC Pentathlon | |
| 239 | Beckham Sleeth | 35.91 | 9 | BB Min | A: 35.69 (+0.22s | 0.6%) | Highlands Ranch Aquatics | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 240 | Dean Hunter | 35.92 | 10 | BB Min | A: 35.69 (+0.23s | 0.6%) | Unattached | 05/17/2025 | 2025 PSA May Invite | |
| 241 | Kian Sotomayor | 35.96 | 10 | BB Min | A: 35.69 (+0.27s | 0.8%) | Rose Bowl Aquatics | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 242 | Vincent Martino | 35.96 | 9 | BB Min | A: 35.69 (+0.27s | 0.8%) | Piranhas YMCA of the Suncoast | 05/01/2026 | 2026 WFLA SPRING OPEN | |
| 243 | Gustavo Granados | 35.97 | 9 | BB Min | A: 35.69 (+0.28s | 0.8%) | Fenix Swim Club | 01/17/2026 | 2026 Azura Winter Open LCM Invite | |
| 244 | Ewan Anderson | 35.98 | 10 | BB Min | A: 35.69 (+0.29s | 0.8%) | Macedonia Manta Ray Swim Team | 06/12/2025 | Holtrey Summer Classic | |
| 245 | David Shoer | 35.99 | 10 | BB Min | A: 35.69 (+0.30s | 0.8%) | Patriot Aquatics | 05/15/2026 | 2026 PA Long Course Invite | |
| 246 | Nicholas Medina | 36.00 | 9 | BB Min | A: 35.69 (+0.31s | 0.9%) | Laker Swim | 04/25/2026 | 11th Annual Hohne Memorial Invitational | |
| 247 | Mahkoah Tanap | 36.00 | 10 | BB Min | A: 35.69 (+0.31s | 0.9%) | Paseo Aquatics Swim Team | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 248 | Brody Sandvig | 36.02 | 10 | BB Min | A: 35.69 (+0.33s | 0.9%) | Golden West Swim Club | 06/12/2025 | 2025 CA SCS RAA June Age Group Championships | |
| 249 | James Zechmeister | 36.02 | 9 | BB Min | A: 35.69 (+0.33s | 0.9%) | Minnetonka Swim Club | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 250 | Matthew Garcia Castillo | 36.03 | 10 | BB Min | A: 35.69 (+0.34s | 0.9%) | Greater Tampa Swim Association | 05/15/2026 | 2026 SAINT PETE S 2nd LONG COURSE MEET | |
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.