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 | |
|---|---|---|---|---|---|---|---|---|---|
| 151 | Trevor Lam | 34.93 | 8 | A Min | AA: 34.39 (+0.54s | 1.5%) | Dare Aquatics | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 152 | Sebastien Gallant | 34.95 | 9 | A Min | AA: 34.39 (+0.56s | 1.6%) | Tuna Swim Club | 07/18/2025 | 2025 MN TUNA Minnesota Regional Championship | |
| 153 | Jonathan Nelson | 34.97 | 9 | A Min | AA: 34.39 (+0.58s | 1.7%) | Utah Valley Aquatics | 06/18/2025 | 2025 UT CHAT INVITATIONAL | |
| 154 | Colton Mueller | 35.00 | 9 | A Min | AA: 34.39 (+0.61s | 1.7%) | Coast Gaurd Blue Dolphins | 07/11/2024 | 2024 VSI Regional Summer Awards | |
| 155 | Logan Smith | 35.01 | 10 | A Min | AA: 34.39 (+0.62s | 1.8%) | Aberdeen Swim Club | 07/18/2025 | 2025 SD State Long Course Meet | |
| 156 | Mason Nguyen | 35.04 | 10 | A Min | AA: 34.39 (+0.65s | 1.9%) | Monterey Park Manta Rays | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 157 | Finn Peters | 35.05 | 9 | A Min | AA: 34.39 (+0.66s | 1.9%) | Swim Florida | 06/20/2025 | 2025 GCST MARK MCCAW SUMMER | |
| 158 | Aiden Kim | 35.05 | 10 | A Min | AA: 34.39 (+0.66s | 1.9%) | Canyons Aquatic Club | 07/24/2025 | 2025 CA SCS Summer A G Champs CANY | |
| 159 | Alexander Fang | 35.06 | 10 | A Min | AA: 34.39 (+0.67s | 1.9%) | Reno Aquatic Club | 06/20/2025 | Reno Aquatic Club Gamble | |
| 160 | Jason Ma | 35.07 | 9 | A Min | AA: 34.39 (+0.68s | 1.9%) | Lakeside Aquatic Club | 07/16/2025 | 2025 Texas Age Group Championships | |
| 161 | Collier Jacobson | 35.13 | 10 | A Min | AA: 34.39 (+0.74s | 2.1%) | Tualatin Hills Swim Club | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 162 | August Liao | 35.13 | 9 | A Min | AA: 34.39 (+0.74s | 2.1%) | Canyons Aquatic Club | 06/12/2025 | 2025 CA SCS RAA June Age Group Championships | |
| 163 | Aaron Kuusela | 35.16 | 10 | A Min | AA: 34.39 (+0.77s | 2.2%) | Alto Swim Club | 06/27/2025 | Alto Summer Swelter | |
| 164 | Aleksandr Rybin | 35.20 | 9 | A Min | AA: 34.39 (+0.81s | 2.3%) | King Aquatic Club | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 165 | Gleb Nikishin | 35.20 | 10 | A Min | AA: 34.39 (+0.81s | 2.3%) | SwimRight Team | 01/17/2026 | 2026 Azura Winter Open LCM Invite | |
| 166 | Rasmus Andrews | 35.21 | 10 | A Min | AA: 34.39 (+0.82s | 2.3%) | Unattached | 08/06/2025 | 2025 Western Zone Age Group Championships | |
| 167 | Aaron Wang | 35.21 | 10 | A Min | AA: 34.39 (+0.82s | 2.3%) | Unattached | 06/27/2025 | Alto Summer Swelter | |
| 168 | Calvin Chase | 35.23 | 8 | A Min | AA: 34.39 (+0.84s | 2.4%) | Hilltop Aquatic Swim Team | 06/21/2025 | 2025 UT HAST RWB Time Trials | |
| 169 | Teague Perry | 35.24 | 10 | A Min | AA: 34.39 (+0.85s | 2.4%) | Sea Devils | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 170 | Gavin Mahrous | 35.24 | 8 | A Min | AA: 34.39 (+0.85s | 2.4%) | Sioux Falls Swim Team | 04/25/2025 | Augustana Spring Splash 2025 | |
| 171 | Conrad Tanton | 35.24 | 10 | A Min | AA: 34.39 (+0.85s | 2.4%) | Utah Valley Aquatics | 07/17/2025 | 2025 UTAGS LC Championships | |
| 172 | Kamden Love | 35.25 | 9 | A Min | AA: 34.39 (+0.86s | 2.4%) | Stingray Swim Team | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 173 | Jaxon Mendoza | 35.26 | 10 | A Min | AA: 34.39 (+0.87s | 2.5%) | San Benito Aquatics | 06/20/2025 | Reno Aquatic Club Gamble | |
| 174 | Savelii Dorofieiev | 35.29 | 9 | A Min | AA: 34.39 (+0.90s | 2.6%) | Saint Petersburg Aquatics | 01/16/2026 | 2026 TRIALS FUNDRAISER MEET | |
| 175 | Brennan Garr | 35.30 | 10 | A Min | AA: 34.39 (+0.91s | 2.6%) | Bellevue Club Swim Team | 05/29/2025 | 2025 IE VS Apple Capital | |
| 176 | Wyatt Larson | 35.33 | 9 | A Min | AA: 34.39 (+0.94s | 2.7%) | Denver Swim Academy | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 177 | Ethan Evans | 35.33 | 10 | A Min | AA: 34.39 (+0.94s | 2.7%) | Dads Club Swim Team | 07/16/2025 | 2025 Texas Age Group Championships | |
| 178 | Lochlan Kelly | 35.36 | 10 | A Min | AA: 34.39 (+0.97s | 2.7%) | Tuna Swim Club | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 179 | Mason Stout | 35.40 | 9 | A Min | AA: 34.39 (+1.01s | 2.9%) | Foxjets Swim Team | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 180 | Mason Lankford | 35.41 | 9 | A Min | AA: 34.39 (+1.02s | 2.9%) | Hydro Swim Club | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 181 | Jozua Sugianto | 35.41 | 9 | A Min | AA: 34.39 (+1.02s | 2.9%) | California Dolphins Swim Team | 05/10/2025 | PC SRVA LCM C B BB+ | |
| 182 | Landon Wang | 35.42 | 9 | A Min | AA: 34.39 (+1.03s | 2.9%) | Seattle Metropolitan Aquatic C | 05/16/2025 | 2025 PN IST Sockeye Springtime Madness | |
| 183 | Harrison Millard | 35.44 | 9 | A Min | AA: 34.39 (+1.05s | 3.0%) | Bellingham Bay Swim Team | 04/25/2025 | 2025 PN KING Spring Derby | |
| 184 | Ozzy Su | 35.45 | 9 | A Min | AA: 34.39 (+1.06s | 3.0%) | Quicksilver Swimming | 07/11/2025 | 2025 Age Group Championships | |
| 185 | Ashwin Tiwari | 35.46 | 8 | A Min | AA: 34.39 (+1.07s | 3.0%) | Olympic Cascade Aquatics | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 186 | 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 | |
| 187 | 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 | |
| 188 | Preston Mathis | 35.49 | 9 | A Min | AA: 34.39 (+1.10s | 3.1%) | Seahawks Swim Team | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 189 | Nathan Cho | 35.51 | 9 | A Min | AA: 34.39 (+1.12s | 3.2%) | Nova of Virginia | 06/27/2024 | NOVA Firecracker Classic | |
| 190 | Benjamin Balmaceda | 35.51 | 9 | A Min | AA: 34.39 (+1.12s | 3.2%) | Alamo Area Aquatic Association | 06/27/2025 | 2025 ST HPAC Long Course STX Championship | |
| 191 | Preston Tran | 35.51 | 9 | A Min | AA: 34.39 (+1.12s | 3.2%) | Irvine Novaquatics | 06/12/2025 | 2025 June Age Group Invite | |
| 192 | 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 | |
| 193 | Gavin Schwartz | 35.57 | 10 | A Min | AA: 34.39 (+1.18s | 3.3%) | North Bay Aquatics | 05/17/2025 | Neptune Swimming May Long Course Meet | |
| 194 | Hugo Linowski | 35.57 | 9 | A Min | AA: 34.39 (+1.18s | 3.3%) | Olympic Cascade Aquatics | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 195 | Henri Simard | 35.59 | 9 | A Min | AA: 34.39 (+1.20s | 3.4%) | Swim Florida | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 196 | Nolan Stumpf | 35.59 | 10 | A Min | AA: 34.39 (+1.20s | 3.4%) | Aquajets Swim Team | 06/13/2025 | 2025 MN NSAC Summer Slam Invite | |
| 197 | Brody Dennis | 35.62 | 9 | A Min | AA: 34.39 (+1.23s | 3.5%) | Foxjets Swim Team | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 198 | Cana Oyer | 35.63 | 9 | A Min | AA: 34.39 (+1.24s | 3.5%) | Sporting Jax Aquatic Club | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 199 | Aiden Chung | 35.65 | 9 | A Min | AA: 34.39 (+1.26s | 3.5%) | Patriot Swim Club | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 200 | Leon Escarcega Hernandez | 35.66 | 9 | A Min | AA: 34.39 (+1.27s | 3.6%) | Halcones Marinos Capn | 05/02/2025 | 2025 ST 22nd Annual Cinco De Mayo | |
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.