USA Boys 10 & under - 50 M Back
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 | Eliott Jackson | 41.10 | 10 | A Min | AA: 41.09 (+0.01s | 0.0%) | Team Eugene Aquatics | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 102 | Jack Armbruster | 41.12 | 10 | A Min | AA: 41.09 (+0.03s | 0.1%) | San Clemente Aquatic Team | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 103 | Nicholas Galvin | 41.12 | 10 | A Min | AA: 41.09 (+0.03s | 0.1%) | Sarasota Sharks | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 104 | Samuel Fuller | 41.13 | 10 | A Min | AA: 41.09 (+0.04s | 0.1%) | Rose Bowl Aquatics | 06/12/2025 | 2025 CA SCS RAA June Age Group Championships | |
| 105 | Anders Hammond | 41.18 | 10 | A Min | AA: 41.09 (+0.09s | 0.2%) | Riptide Swim Team | 06/19/2025 | 2025 CO Grand Junction Invitational | |
| 106 | Nathan Campbell | 41.31 | 9 | A Min | AA: 41.09 (+0.22s | 0.5%) | Southwestern Aquatics Team - S | 07/16/2025 | 2025 Texas Age Group Championships | |
| 107 | Samuel Fuerstneau | 41.31 | 10 | A Min | AA: 41.09 (+0.22s | 0.5%) | Edina Swim Club | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 108 | Luke Marek | 41.39 | 10 | A Min | AA: 41.09 (+0.30s | 0.7%) | Surge Aquatics | 07/10/2025 | 2025 ST AAAA STAGS LC Championship | |
| 109 | Jacob Liu | 41.50 | 10 | A Min | AA: 41.09 (+0.41s | 1.0%) | Trident Swim Club | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 110 | Dongxin Xian | 41.57 | 10 | A Min | AA: 41.09 (+0.48s | 1.2%) | Arcadia Riptides Swim Club | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 111 | Gavin Mahrous | 41.59 | 9 | A Min | AA: 41.09 (+0.50s | 1.2%) | Sioux Falls Swim Team | 05/09/2025 | 2025 SD SFST Ready For Long Course | |
| 112 | Angel Garcia III | 41.59 | 10 | A Min | AA: 41.09 (+0.50s | 1.2%) | Golden West Swim Club | 07/25/2024 | 2024 CA SCS GWSC Summer A G Champs | |
| 113 | Robert Botterill | 41.69 | 10 | A Min | AA: 41.09 (+0.60s | 1.4%) | Granite City Aquatics | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 114 | Winston Chase | 41.69 | 10 | A Min | AA: 41.09 (+0.60s | 1.4%) | Utah Valley Aquatics | 07/17/2025 | 2025 UTAGS LC Championships | |
| 115 | Stryker Fonseca | 41.73 | 10 | A Min | AA: 41.09 (+0.64s | 1.5%) | Barracuda Aquatic Club | 07/17/2025 | 2025 UTAGS LC Championships | |
| 116 | Colt Sivells | 41.73 | 10 | A Min | AA: 41.09 (+0.64s | 1.5%) | Southwest Stars Swim Club | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 117 | Martin Decotigny | 41.74 | 10 | A Min | AA: 41.09 (+0.65s | 1.6%) | Alto Swim Club | 07/11/2025 | 2025 Age Group Championships | |
| 118 | Logan Smith | 41.74 | 10 | A Min | AA: 41.09 (+0.65s | 1.6%) | Unattached | 07/31/2025 | 2025 Central Zone 14 Under Championship Mee | |
| 119 | Luke Ford | 41.75 | 9 | A Min | AA: 41.09 (+0.66s | 1.6%) | The Claremont Club | 06/12/2025 | 2025 CA SCS RAA June Age Group Championships | |
| 120 | Dylan Deahn | 41.84 | 9 | A Min | AA: 41.09 (+0.75s | 1.8%) | Unattached | 07/31/2025 | 2025 Central Zone 14 Under Championship Mee | |
| 121 | Liam Kwok | 41.85 | 10 | A Min | AA: 41.09 (+0.76s | 1.8%) | Socal Aquatics Association | 06/12/2025 | 2025 CA SCS RAA June Age Group Championships | |
| 122 | Aiden Suffel | 41.91 | 10 | A Min | AA: 41.09 (+0.82s | 2.0%) | Lakeshore Swim Club | 05/16/2025 | Busbey Invitational 2025 | |
| 123 | Evan Saltsman | 41.99 | 10 | A Min | AA: 41.09 (+0.90s | 2.1%) | Alpha Aquatics | 06/13/2024 | 2024 CA SCS CANY June Age Group Invite | |
| 124 | Mason Nguyen | 42.00 | 10 | A Min | AA: 41.09 (+0.91s | 2.2%) | Aquazot Swim Club | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 125 | Jayden Cheng | 42.09 | 10 | A Min | AA: 41.09 (+1.00s | 2.4%) | Brea Aquatics | 06/12/2025 | 2025 SCS June AG Invite @ La Mirada Armada | |
| 126 | Rafael Parlato | 42.13 | 10 | A Min | AA: 41.09 (+1.04s | 2.5%) | Fenix Swim Club | 01/17/2026 | 2026 Azura Winter Open LCM Invite | |
| 127 | Tucker McCullough | 42.14 | 10 | A Min | AA: 41.09 (+1.05s | 2.5%) | Team Rebel Aquatics | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 128 | Jack Yu | 42.14 | 10 | A Min | AA: 41.09 (+1.05s | 2.5%) | Brea Aquatics | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 129 | Chukwuma Chiedozi | 42.14 | 10 | A Min | AA: 41.09 (+1.05s | 2.5%) | Rogue Rapids | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 130 | Lynden Feaste | 42.18 | 9 | A Min | AA: 41.09 (+1.09s | 2.6%) | Can Mississauga Aquatic Club | 01/17/2026 | 2026 Azura Winter Open LCM Invite | |
| 131 | William Wang | 42.26 | 10 | A Min | AA: 41.09 (+1.17s | 2.8%) | Pacific Dragons Swim Team | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 132 | Lucas Santos | 42.26 | 10 | A Min | AA: 41.09 (+1.17s | 2.8%) | Golden West Swim Club | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 133 | Jacob Zechmeister | 42.28 | 10 | A Min | AA: 41.09 (+1.19s | 2.8%) | Minnetonka Swim Club | 05/29/2025 | 2025 MN WOLF HUFF N PUFF INVITE | |
| 134 | Ozzy Su | 42.30 | 10 | A Min | AA: 41.09 (+1.21s | 2.9%) | Quicksilver Swimming | 07/11/2025 | 2025 Age Group Championships | |
| 135 | Zachary Mokhiber | 42.30 | 10 | A Min | AA: 41.09 (+1.21s | 2.9%) | T2 Aquatics | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 136 | Mason Nordin | 42.31 | 10 | A Min | AA: 41.09 (+1.22s | 2.9%) | Foxjets Swim Team | 07/18/2025 | 2025 MN STRM Minnesota Regional Championship | |
| 137 | Thomas Sayer | 42.32 | 10 | A Min | AA: 41.09 (+1.23s | 2.9%) | Foxjets Swim Team | 06/26/2025 | 2025 MN AQJT Aquajets Summer Spectacular | |
| 138 | Carson Swift | 42.39 | 10 | A Min | AA: 41.09 (+1.30s | 3.1%) | Nitro Swimming | 07/10/2025 | 2025 ST AAAA STAGS LC Championship | |
| 139 | Dash LeGrand | 42.41 | 10 | A Min | AA: 41.09 (+1.32s | 3.1%) | Gold\\\\\\'s Aquatics Club (Camas) | 11/01/2025 | Oregon City Fall Open 2025 | |
| 140 | Lucas Guo | 42.44 | 10 | A Min | AA: 41.09 (+1.35s | 3.2%) | Santa Clara Swim Club | 05/30/2025 | SCSC Pacific Swimming Long Course Intrasquad | |
| 141 | David Limakov | 42.45 | 10 | A Min | AA: 41.09 (+1.36s | 3.2%) | Pipeline Swimming | 07/04/2025 | 2025 SPA S SEMINOLE SUNRISE LANES SWIM MEET | |
| 142 | Jerry Ji | 42.49 | 10 | A Min | AA: 41.09 (+1.40s | 3.3%) | Brea Aquatics | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 143 | Wesley Ho | 42.53 | 10 | A Min | AA: 41.09 (+1.44s | 3.4%) | Aspire Aquatics of Colorado | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 144 | Lucius Leven | 42.53 | 10 | A Min | AA: 41.09 (+1.44s | 3.4%) | Alamo Area Aquatic Association | 06/20/2025 | 2025 ST AAAA NS George Block Invite | |
| 145 | Kian Sotomayor | 42.61 | 10 | A Min | AA: 41.09 (+1.52s | 3.6%) | Rose Bowl Aquatics | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 146 | Matthew Zhu | 42.65 | 10 | A Min | AA: 41.09 (+1.56s | 3.7%) | Rose Bowl Aquatics | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 147 | Lukas Bell | 42.66 | 10 | A Min | AA: 41.09 (+1.57s | 3.7%) | SwimRVA | 06/14/2024 | SwimRVA Summer Invitational | |
| 148 | Alexander Lyavzin | 42.69 | 10 | A Min | AA: 41.09 (+1.60s | 3.7%) | SwimRight Team | 01/17/2026 | 2026 Azura Winter Open LCM Invite | |
| 149 | Connor Ferguson | 42.72 | 9 | A Min | AA: 41.09 (+1.63s | 3.8%) | Can Mississauga Aquatic Club | 01/17/2026 | 2026 Azura Winter Open LCM Invite | |
| 150 | Schuyler Carry | 42.76 | 9 | A Min | AA: 41.09 (+1.67s | 3.9%) | Aquajets Swim Team | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
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.