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 | |
|---|---|---|---|---|---|---|---|---|---|
| 151 | Jackson Lee | 39.25 | 10 | AA Min | AAA: 38.99 (+0.26s | 0.7%) | Burlingame Aquatics | 05/02/2026 | Alto Spring Jam CBA | |
| 152 | Jensen Huang | 39.30 | 10 | AA Min | AAA: 38.99 (+0.31s | 0.8%) | Arcadia Riptides Swim Club | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 153 | John Stitzenberg | 39.30 | 9 | AA Min | AAA: 38.99 (+0.31s | 0.8%) | North Carolina Aquatic Club | 06/25/2026 | ONSA Independence Invitational Copied | |
| 154 | Allen Chen | 39.31 | 10 | AA Min | AAA: 38.99 (+0.32s | 0.8%) | Seattle Metropolitan Aquatic C | 06/26/2026 | 2026 PN SMAC Summer Classic Invite Approved | |
| 155 | Arlo Nagy | 39.32 | 9 | AA Min | AAA: 38.99 (+0.33s | 0.8%) | Minnetonka Swim Club | 06/11/2026 | 2026 MN AQJT Aquajets Summer Spectacular | |
| 156 | Tatsumasa Sekine | 39.33 | 9 | AA Min | AAA: 38.99 (+0.34s | 0.9%) | Santa Clara Swim Club | 06/20/2026 | Zone 1 South Swim Under The Stars | |
| 157 | Hongjie Xiao | 39.36 | 9 | AA Min | AAA: 38.99 (+0.37s | 0.9%) | Irvine Novaquatics | 06/11/2026 | 2026 SCS June AG Invite | |
| 158 | Austin Loving | 39.36 | 10 | AA Min | AAA: 38.99 (+0.37s | 0.9%) | Nova of Virginia | 06/11/2026 | NOVA 2026 Virginia Commonwealth Games | |
| 159 | Dalton Gonzalez | 39.37 | 9 | AA Min | AAA: 38.99 (+0.38s | 1.0%) | Nitro Swimming | 06/20/2026 | 2026 ST NTRO LC Summer Classic | |
| 160 | James Villarreal | 39.37 | 10 | AA Min | AAA: 38.99 (+0.38s | 1.0%) | SwimAtlanta | 06/18/2026 | 2026 Tennessee Aquatics June Invitational | |
| 161 | Jacob Liu | 39.40 | 10 | AA Min | AAA: 38.99 (+0.41s | 1.0%) | Aquazot Swim Club | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 162 | Yuning Huang | 39.41 | 10 | AA Min | AAA: 38.99 (+0.42s | 1.1%) | Rose Bowl Aquatics | 06/11/2026 | 2026 SCS June AG Invite CANY | |
| 163 | Timur Kochmar | 39.42 | 9 | AA Min | AAA: 38.99 (+0.43s | 1.1%) | SwimRight Team | 05/22/2026 | 2026 Doral Swim Club LCM Spring Invite | |
| 164 | Franklin Chao | 39.43 | 10 | AA Min | AAA: 38.99 (+0.44s | 1.1%) | North Carolina Aquatic Club | 06/25/2026 | ONSA Independence Invitational Copied | |
| 165 | Zachary Snyder | 39.44 | 10 | AA Min | AAA: 38.99 (+0.45s | 1.1%) | Madison Area YMCA Mariners | 08/06/2025 | 2025 Summer Elite Showcase | |
| 166 | Kevin Gharib | 39.45 | 10 | AA Min | AAA: 38.99 (+0.46s | 1.2%) | Team Swim Los Angeles | 06/11/2026 | 2026 SCS June AG Invite CANY | |
| 167 | Philip Rodriguez | 39.45 | 10 | AA Min | AAA: 38.99 (+0.46s | 1.2%) | Tac Titans | 05/15/2026 | 2026 TAC TITANS Spring Fling Meet | |
| 168 | Alexander Lyavzin | 39.47 | 10 | AA Min | AAA: 38.99 (+0.48s | 1.2%) | SwimRight Team | 05/22/2026 | 2026 Doral Swim Club LCM Spring Invite | |
| 169 | Ethen Roden | 39.47 | 10 | AA Min | AAA: 38.99 (+0.48s | 1.2%) | Huntsville Swim Association | 06/26/2026 | 2026 HSA June Invitational | |
| 170 | Dongxin Xian | 39.48 | 10 | AA Min | AAA: 38.99 (+0.49s | 1.2%) | Arcadia Riptides Swim Club | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 171 | Jaxon Mondragon | 39.50 | 10 | AA Min | AAA: 38.99 (+0.51s | 1.3%) | Aquawolves Swimming | 04/24/2026 | 2026 CO Steve Drozda LC Shotgun | |
| 172 | Titus Wu | 39.52 | 10 | AA Min | AAA: 38.99 (+0.53s | 1.3%) | Firefish Aquatics | 06/19/2026 | 2026 Firefish June Jam | |
| 173 | Mason Lankford | 39.57 | 10 | AA Min | AAA: 38.99 (+0.58s | 1.5%) | Hydro Swim Club | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 174 | Maxwell Dean | 39.58 | 10 | AA Min | AAA: 38.99 (+0.59s | 1.5%) | Voltage Aquatics | 07/18/2025 | 2025 LCM Summer Championships | |
| 175 | Riccardo Sardena | 39.59 | 10 | AA Min | AAA: 38.99 (+0.60s | 1.5%) | Swim Team of Placentia | 06/11/2026 | 2026 SCS June AG Invite | |
| 176 | Arick Eisler | 39.60 | 9 | AA Min | AAA: 38.99 (+0.61s | 1.5%) | Tac Titans | 05/15/2026 | 2026 TAC TITANS Spring Fling Meet | |
| 177 | Marcus Lin | 39.65 | 9 | AA Min | AAA: 38.99 (+0.66s | 1.7%) | Aquazot Swim Club | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 178 | Kellan Yosay | 39.66 | 9 | AA Min | AAA: 38.99 (+0.67s | 1.7%) | SwimRVA | 06/12/2026 | 2026 SwimRVA Summer Invitational | |
| 179 | Robert Richards | 39.67 | 10 | AA Min | AAA: 38.99 (+0.68s | 1.7%) | Bolles School Sharks | 06/18/2026 | 2026 June Classic | |
| 180 | Charles Sanders | 39.67 | 10 | AA Min | AAA: 38.99 (+0.68s | 1.7%) | Tac Titans | 05/22/2026 | 2026 TAC TITANS Memorial Day Meet | |
| 181 | Alister Carlton | 39.70 | 9 | AA Min | AAA: 38.99 (+0.71s | 1.8%) | Nitro Swimming | 06/11/2026 | 2026 ST NIST George Block Invitational | |
| 182 | Ray Yu | 39.73 | 10 | AA Min | AAA: 38.99 (+0.74s | 1.9%) | Aquazot Swim Club | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 183 | Robert Botterill | 39.73 | 10 | AA Min | AAA: 38.99 (+0.74s | 1.9%) | Central Minnesota Aquatics | 06/26/2026 | 2026 SD SFST Summer Surge Classic | |
| 184 | Aiden Cowles | 39.74 | 10 | AA Min | AAA: 38.99 (+0.75s | 1.9%) | SwimMAC Carolina | 06/19/2026 | GSA 70th Annual Eastern Invitational | |
| 185 | Ziqian Liu | 39.74 | 10 | AA Min | AAA: 38.99 (+0.75s | 1.9%) | Tac Titans | 05/15/2026 | 2026 TAC TITANS Spring Fling Meet | |
| 186 | Craig Thompson | 39.77 | 10 | AA Min | AAA: 38.99 (+0.78s | 2.0%) | North Coast Aquatics | 05/23/2026 | SI 2026 TAC CSTE All Ages NTS Meet | |
| 187 | Bennett Meusel | 39.78 | 10 | AA Min | AAA: 38.99 (+0.79s | 2.0%) | South East Metro Sharks | 06/19/2026 | 2026 MN MAN Red White Blue Invite Copied | |
| 188 | Olin Beerens | 39.78 | 10 | AA Min | AAA: 38.99 (+0.79s | 2.0%) | Longhorn Aquatics | 06/12/2026 | 2026 ST TXLA Texas Open Invite | |
| 189 | Mason Nordin | 39.80 | 10 | AA Min | AAA: 38.99 (+0.81s | 2.0%) | Foxjets Swim Team | 06/11/2026 | 2026 MN AQJT Aquajets Summer Spectacular | |
| 190 | Timur Kolchin | 39.80 | 10 | AA Min | AAA: 38.99 (+0.81s | 2.0%) | Fast Lane Aquatics | 05/01/2026 | 2026 WFLA SPRING OPEN | |
| 191 | Ashton Chen | 39.80 | 10 | AA Min | AAA: 38.99 (+0.81s | 2.0%) | Brea Aquatics | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 192 | Alexander Dmyterko | 39.82 | 10 | AA Min | AAA: 38.99 (+0.83s | 2.1%) | Wahoo\\\\\\'s of Wellington | 06/26/2026 | 2026 Michael Lohberg Invitational | |
| 193 | Jonathan Nelson | 39.82 | 10 | AA Min | AAA: 38.99 (+0.83s | 2.1%) | Utah Valley Aquatics | 07/17/2025 | 2025 UTAGS LC Championships | |
| 194 | Jason Ye | 39.82 | 10 | AA Min | AAA: 38.99 (+0.83s | 2.1%) | Alto Swim Club | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | |
| 195 | Joseph Tomicic | 39.84 | 10 | AA Min | AAA: 38.99 (+0.85s | 2.1%) | Katy Aquatic Team For Youth | 07/16/2025 | 2025 Texas Age Group Championships | |
| 196 | Samuel Fuerstneau | 39.84 | 10 | AA Min | AAA: 38.99 (+0.85s | 2.1%) | Edina Swim Club | 05/03/2026 | 2026 MN SEMS LC Invite | |
| 197 | Connor McCracken | 39.85 | 9 | AA Min | AAA: 38.99 (+0.86s | 2.2%) | Nova of Virginia | 06/11/2026 | NOVA 2026 Virginia Commonwealth Games | |
| 198 | Samuel Fuetsch | 39.86 | 9 | AA Min | AAA: 38.99 (+0.87s | 2.2%) | Tac Titans | 06/11/2026 | 2026 CMC Triangle Classic Meet | |
| 199 | Rishan Shah | 39.88 | 9 | AA Min | AAA: 38.99 (+0.89s | 2.2%) | United Swim Club | 06/05/2026 | 2026 NE SAC America S Cup | |
| 200 | Nolan Lees | 39.90 | 10 | AA Min | AAA: 38.99 (+0.91s | 2.3%) | swimPAC | 06/05/2026 | 2026 GPAC Tom Lalor Invitational | |
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.