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 | |
|---|---|---|---|---|---|---|---|---|---|
| 51 | Morgan Dasilva | 33.42 | 10 | AA Min | AAA: 32.99 (+0.43s | 1.3%) | Asphalt Green Unified Aquatics | 08/06/2025 | 2025 Summer Elite Showcase | |
| 52 | Rory Cullen | 33.43 | 10 | AA Min | AAA: 32.99 (+0.44s | 1.3%) | Sarasota Sharks | 05/16/2025 | 2025 SYS Memorial Meet | |
| 53 | Travis Ward | 33.44 | 10 | AA Min | AAA: 32.99 (+0.45s | 1.3%) | Wolverine Aquatics | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 54 | Christopher Porembka | 33.46 | 9 | AA Min | AAA: 32.99 (+0.47s | 1.4%) | Fast Fins Elite | 07/16/2025 | 2025 Texas Age Group Championships | |
| 55 | Logan Glick | 33.48 | 9 | AA Min | AAA: 32.99 (+0.49s | 1.5%) | Texas Ford Aquatics | 07/16/2025 | 2025 Texas Age Group Championships | |
| 56 | Spencer Slowik | 33.49 | 10 | AA Min | AAA: 32.99 (+0.50s | 1.5%) | Bainbridge Island Swim Club | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 57 | Conner Lo | 33.52 | 10 | AA Min | AAA: 32.99 (+0.53s | 1.6%) | DeAnza Cupertino Aquatics | 06/27/2025 | Silicon Valley LC CBA+ Meet | |
| 58 | Ryan Latronica | 33.53 | 9 | AA Min | AAA: 32.99 (+0.54s | 1.6%) | Hills Hurricane Swimming | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 59 | Sinan Ozgur | 33.54 | 9 | AA Min | AAA: 32.99 (+0.55s | 1.6%) | Pleasanton Seahawks | 06/20/2025 | Zone 2 Last Chance To AG Champs | |
| 60 | Jack Swaffin-Smith | 33.54 | 10 | AA Min | AAA: 32.99 (+0.55s | 1.6%) | Fog City Hammerheads | 07/11/2025 | 2025 Age Group Championships | |
| 61 | David Powell | 33.54 | 10 | AA Min | AAA: 32.99 (+0.55s | 1.6%) | Heartland Swim Assoc | 07/24/2025 | 2025 SI LC AG CHAMPS | |
| 62 | Marco Sun | 33.55 | 9 | AA Min | AAA: 32.99 (+0.56s | 1.7%) | Pleasanton Seahawks | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 63 | Dongxin Xian | 33.55 | 9 | AA Min | AAA: 32.99 (+0.56s | 1.7%) | Arcadia Riptides Swim Club | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 64 | Joshua Gilbert | 33.55 | 9 | AA Min | AAA: 32.99 (+0.56s | 1.7%) | Bolles School Sharks | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 65 | Eli Savitski | 33.55 | 10 | AA Min | AAA: 32.99 (+0.56s | 1.7%) | Highlander Aquatic Club | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 66 | Lucas Jiang | 33.59 | 10 | AA Min | AAA: 32.99 (+0.60s | 1.8%) | Quicksilver Swimming | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 67 | Sebastian Horn-Rios | 33.60 | 9 | AA Min | AAA: 32.99 (+0.61s | 1.8%) | T2 Aquatics | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 68 | Eli Rutkovsky | 33.63 | 10 | AA Min | AAA: 32.99 (+0.64s | 1.9%) | Saint Andrew\\\\\\'s Aquatics | 01/17/2026 | 2026 Azura Winter Open LCM Invite | |
| 69 | Luke Marek | 33.64 | 10 | AA Min | AAA: 32.99 (+0.65s | 1.9%) | Surge Aquatics | 07/16/2025 | 2025 Texas Age Group Championships | |
| 70 | Harrison Carr | 33.68 | 10 | AA Min | AAA: 32.99 (+0.69s | 2.0%) | Aquajets Swim Team | 05/29/2025 | 2025 MN WOLF HUFF N PUFF INVITE | |
| 71 | Shunsuke Suzuki | 33.72 | 10 | AA Min | AAA: 32.99 (+0.73s | 2.2%) | Palo Alto Stanford Aquatics | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 72 | James Lee | 33.74 | 10 | AA Min | AAA: 32.99 (+0.75s | 2.2%) | La Mirada Armada | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 73 | Robert Richards | 33.76 | 9 | AA Min | AAA: 32.99 (+0.77s | 2.3%) | Bolles School Sharks | 06/20/2025 | 2025 Planet Swim Summer Championships | |
| 74 | Andrew Finger | 33.78 | 9 | AA Min | AAA: 32.99 (+0.79s | 2.3%) | Unattached | 08/07/2024 | 2024 EZ LC Age Group Championship | |
| 75 | Francis Li | 33.84 | 8 | AA Min | AAA: 32.99 (+0.85s | 2.5%) | Unattached | 08/07/2024 | 2024 EZ LC Age Group Championship | |
| 76 | Thomas Sayer | 33.85 | 9 | AA Min | AAA: 32.99 (+0.86s | 2.5%) | Foxjets Swim Team | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 77 | Alexander Kovnatsky | 33.87 | 9 | AA Min | AAA: 32.99 (+0.88s | 2.6%) | Unattached | 06/20/2025 | Zone 2 Last Chance To AG Champs | |
| 78 | Cameron Boitano | 33.89 | 9 | AA Min | AAA: 32.99 (+0.90s | 2.7%) | Pleasanton Seahawks | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 79 | Benjamin Hadji | 33.91 | 10 | AA Min | AAA: 32.99 (+0.92s | 2.7%) | Paseo Aquatics Swim Team | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 80 | Aaron Cho | 33.95 | 10 | AA Min | AAA: 32.99 (+0.96s | 2.8%) | Blast Sharks | 07/24/2025 | 2025 CA SCS Summer A G Champs CANY | |
| 81 | Jacob Zechmeister | 33.97 | 10 | AA Min | AAA: 32.99 (+0.98s | 2.9%) | Minnetonka Swim Club | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 82 | Luke Gamino | 33.97 | 8 | AA Min | AAA: 32.99 (+0.98s | 2.9%) | Treasure Coast Aquatics | 05/23/2025 | 2025 Dr Aspi Doctor Memorial Invitational | |
| 83 | Carson Swift | 33.98 | 9 | AA Min | AAA: 32.99 (+0.99s | 2.9%) | Nitro Swimming | 07/10/2025 | 2025 ST AAAA STAGS LC Championship | |
| 84 | Jair Ortega | 33.99 | 10 | AA Min | AAA: 32.99 (+1.00s | 2.9%) | Austin Swim Club | 06/13/2025 | 2025 ST ASC Firecracker | |
| 85 | Atticus Hendricks-Smith | 33.99 | 9 | AA Min | AAA: 32.99 (+1.00s | 2.9%) | Unattached | 08/06/2025 | 2025 Western Zone Age Group Championships | |
| 86 | Connor West | 34.00 | 9 | AA Min | AAA: 32.99 (+1.01s | 3.0%) | The Spartans of La Canada | 06/12/2025 | 2025 June Age Group Invite | |
| 87 | Lucas Stocker | 34.01 | 9 | AA Min | AAA: 32.99 (+1.02s | 3.0%) | Coastal Machine Aquatics Club | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 88 | Timofey Belov | 34.03 | 10 | AA Min | AAA: 32.99 (+1.04s | 3.1%) | Pikes Peak Athletics | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 89 | Pace Bui | 34.04 | 9 | AA Min | AAA: 32.99 (+1.05s | 3.1%) | Unattached | 07/11/2025 | 2025 Age Group Championships | |
| 90 | Matthew Zhao | 34.06 | 9 | AA Min | AAA: 32.99 (+1.07s | 3.1%) | Brea Aquatics | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 91 | Ishaan Karunanayake | 34.06 | 10 | AA Min | AAA: 32.99 (+1.07s | 3.1%) | Alto Swim Club | 06/27/2025 | Alto Summer Swelter | |
| 92 | Olivier Thomasson | 34.08 | 10 | AA Min | AAA: 32.99 (+1.09s | 3.2%) | Montclair Swim Team | 06/07/2025 | Orinda Aquatics LC C B BB+ Meet | |
| 93 | Vance Hull | 34.09 | 9 | AA Min | AAA: 32.99 (+1.10s | 3.2%) | Unattached | 08/07/2024 | 2024 EZ LC Age Group Championship | |
| 94 | Ayrton Rangan | 34.14 | 10 | AA Min | AAA: 32.99 (+1.15s | 3.4%) | Southwestern Aquatics Team - S | 07/16/2025 | 2025 Texas Age Group Championships | |
| 95 | Sebastian Guevara | 34.15 | 10 | AA Min | AAA: 32.99 (+1.16s | 3.4%) | Alto Swim Club | 06/27/2025 | Alto Summer Swelter | |
| 96 | Rafael Parlato | 34.16 | 10 | AA Min | AAA: 32.99 (+1.17s | 3.4%) | Fenix Swim Club | 01/17/2026 | 2026 Azura Winter Open LCM Invite | |
| 97 | Liam Johnson | 34.18 | 9 | AA Min | AAA: 32.99 (+1.19s | 3.5%) | Winchester Swim Team | 07/25/2024 | 2024 VA LC Age Group Championships | |
| 98 | Maxwell Dean | 34.19 | 9 | AA Min | AAA: 32.99 (+1.20s | 3.5%) | Voltage Aquatics | 06/07/2025 | Summer Classics 2025 | |
| 99 | Wu Zhou | 34.20 | 10 | AA Min | AAA: 32.99 (+1.21s | 3.5%) | Unattached | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 100 | Marco Sun | 34.23 | 9 | AA Min | AAA: 32.99 (+1.24s | 3.6%) | Pleasanton Seahawks | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day 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.