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 | |
|---|---|---|---|---|---|---|---|---|---|
| 101 | Nicholas Liu | 34.78 | 9 | A Min | AA: 34.39 (+0.39s | 1.1%) | Alto Swim Club | 06/27/2025 | Alto Summer Swelter | |
| 102 | Chukwuma Chiedozi | 34.79 | 10 | A Min | AA: 34.39 (+0.40s | 1.1%) | Rogue Rapids | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 103 | Asher Young | 34.80 | 10 | A Min | AA: 34.39 (+0.41s | 1.2%) | Terrapins Swim Team | 07/11/2025 | 2025 Age Group Championships | |
| 104 | Zachary Snyder | 34.81 | 10 | A Min | AA: 34.39 (+0.42s | 1.2%) | Madison Area YMCA Mariners | 08/06/2025 | 2025 Summer Elite Showcase | |
| 105 | Asher Young | 34.84 | 10 | A Min | AA: 34.39 (+0.45s | 1.3%) | Terrapins Swim Team | 06/20/2025 | Zone 2 Last Chance To AG Champs | |
| 106 | Jordy Walder | 34.91 | 10 | A Min | AA: 34.39 (+0.52s | 1.5%) | Dakota Riptide | 06/21/2024 | 2024 Splash Central Invitational | |
| 107 | Trevor Lam | 34.93 | 9 | A Min | AA: 34.39 (+0.54s | 1.5%) | Dare Aquatics | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 108 | Sebastien Gallant | 34.95 | 10 | A Min | AA: 34.39 (+0.56s | 1.6%) | Tuna Swim Club | 07/18/2025 | 2025 MN TUNA Minnesota Regional Championship | |
| 109 | Jonathan Nelson | 34.97 | 10 | A Min | AA: 34.39 (+0.58s | 1.7%) | Utah Valley Aquatics | 06/18/2025 | 2025 UT CHAT INVITATIONAL | |
| 110 | Colton Mueller | 35.00 | 10 | A Min | AA: 34.39 (+0.61s | 1.7%) | Coast Gaurd Blue Dolphins | 07/11/2024 | 2024 VSI Regional Summer Awards | |
| 111 | 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 | |
| 112 | Finn Peters | 35.05 | 10 | A Min | AA: 34.39 (+0.66s | 1.9%) | Swim Florida | 06/20/2025 | 2025 GCST MARK MCCAW SUMMER | |
| 113 | Alexander Fang | 35.06 | 10 | A Min | AA: 34.39 (+0.67s | 1.9%) | Reno Aquatic Club | 06/20/2025 | Reno Aquatic Club Gamble | |
| 114 | Jason Ma | 35.07 | 10 | A Min | AA: 34.39 (+0.68s | 1.9%) | Lakeside Aquatic Club | 07/16/2025 | 2025 Texas Age Group Championships | |
| 115 | Wyatt Yawn | 35.09 | 9 | A Min | AA: 34.39 (+0.70s | 2.0%) | Tide Swimming | 02/13/2026 | 2026 Southeast District 9 12 Championship | |
| 116 | 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 | |
| 117 | August Liao | 35.13 | 10 | A Min | AA: 34.39 (+0.74s | 2.1%) | Canyons Aquatic Club | 06/12/2025 | 2025 CA SCS RAA June Age Group Championships | |
| 118 | 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 | |
| 119 | Aleksandr Rybin | 35.20 | 10 | A Min | AA: 34.39 (+0.81s | 2.3%) | King Aquatic Club | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 120 | Rasmus Andrews | 35.21 | 10 | A Min | AA: 34.39 (+0.82s | 2.3%) | Unattached | 08/06/2025 | 2025 Western Zone Age Group Championships | |
| 121 | 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 | |
| 122 | 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 | |
| 123 | Gavin Mahrous | 35.24 | 9 | A Min | AA: 34.39 (+0.85s | 2.4%) | Sioux Falls Swim Team | 04/25/2025 | Augustana Spring Splash 2025 | |
| 124 | Kamden Love | 35.25 | 10 | A Min | AA: 34.39 (+0.86s | 2.4%) | Stingray Swim Team | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 125 | Jaxon Mendoza | 35.26 | 10 | A Min | AA: 34.39 (+0.87s | 2.5%) | San Benito Aquatics | 06/20/2025 | Reno Aquatic Club Gamble | |
| 126 | Savelii Dorofieiev | 35.29 | 9 | A Min | AA: 34.39 (+0.90s | 2.6%) | Saint Petersburg Aquatics | 01/16/2026 | 2026 TRIALS FUNDRAISER MEET | |
| 127 | Wyatt Larson | 35.33 | 10 | A Min | AA: 34.39 (+0.94s | 2.7%) | Denver Swim Academy | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 128 | Mason Stout | 35.40 | 10 | A Min | AA: 34.39 (+1.01s | 2.9%) | Foxjets Swim Team | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 129 | Jozua Sugianto | 35.41 | 10 | A Min | AA: 34.39 (+1.02s | 2.9%) | California Dolphins Swim Team | 05/10/2025 | PC SRVA LCM C B BB+ | |
| 130 | Mason Lankford | 35.41 | 10 | A Min | AA: 34.39 (+1.02s | 2.9%) | Hydro Swim Club | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 131 | Landon Wang | 35.42 | 10 | A Min | AA: 34.39 (+1.03s | 2.9%) | Seattle Metropolitan Aquatic C | 05/16/2025 | 2025 PN IST Sockeye Springtime Madness | |
| 132 | Harrison Millard | 35.44 | 10 | A Min | AA: 34.39 (+1.05s | 3.0%) | Bellingham Bay Swim Team | 04/25/2025 | 2025 PN KING Spring Derby | |
| 133 | Ozzy Su | 35.45 | 10 | A Min | AA: 34.39 (+1.06s | 3.0%) | Quicksilver Swimming | 07/11/2025 | 2025 Age Group Championships | |
| 134 | Ashwin Tiwari | 35.46 | 9 | A Min | AA: 34.39 (+1.07s | 3.0%) | Olympic Cascade Aquatics | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 135 | 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 | |
| 136 | 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 | |
| 137 | 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 | |
| 138 | Benjamin Balmaceda | 35.51 | 10 | A Min | AA: 34.39 (+1.12s | 3.2%) | Alamo Area Aquatic Association | 06/27/2025 | 2025 ST HPAC Long Course STX Championship | |
| 139 | Preston Tran | 35.51 | 10 | A Min | AA: 34.39 (+1.12s | 3.2%) | Irvine Novaquatics | 06/12/2025 | 2025 June Age Group Invite | |
| 140 | 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 | |
| 141 | Hugo Linowski | 35.57 | 10 | A Min | AA: 34.39 (+1.18s | 3.3%) | Olympic Cascade Aquatics | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 142 | 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 | |
| 143 | Brody Dennis | 35.62 | 10 | A Min | AA: 34.39 (+1.23s | 3.5%) | Foxjets Swim Team | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 144 | 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 | |
| 145 | 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 | |
| 146 | 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 | |
| 147 | Azaka Charan | 35.66 | 10 | B Min | BB: 34.79 (+0.87s | 2.4%) | Jbarracudas Swim Team | 07/24/2025 | 2025 SI LC AG CHAMPS | |
| 148 | Eames Meek | 35.69 | 10 | A Min | AA: 34.39 (+1.30s | 3.6%) | Highlander Aquatic Club | 06/12/2025 | 2025 RAFC Summer Solstice | |
| 149 | Alexander Lyavzin | 35.69 | 10 | A Min | AA: 34.39 (+1.30s | 3.6%) | SwimRight Team | 01/17/2026 | 2026 Azura Winter Open LCM Invite | |
| 150 | Leonardo Mora Carrillo | 35.70 | 10 | BB Min | A: 35.69 (+0.01s | 0.0%) | Blue Marlins Aquatic Club | 07/10/2025 | 2025 FL Summer Age Group Championships | |
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.