USA Boys 10 & under - 50 Y 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 | Andrew Kunjummen | 33.15 | 9 | AAA Min | AAAA: 32.19 (+0.96s | 2.9%) | Lakeridge | 02/15/2025 | 2025 OR HS 6A 5 | |
| 152 | Sebastian Gutierrez | 33.17 | 9 | AAA Min | AAAA: 32.19 (+0.98s | 3.0%) | Anglerfish Aquatics | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 153 | Jefferson Chiang | 33.20 | 9 | AAA Min | AAAA: 32.19 (+1.01s | 3.0%) | Irvine Novaquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 154 | William Palumbo | 33.20 | 10 | AAA Min | AAAA: 32.19 (+1.01s | 3.0%) | Nova of Virginia | 12/12/2025 | 2025 HVAC Winterfest Invitational | |
| 155 | Marco Sun | 33.22 | 10 | AAA Min | AAAA: 32.19 (+1.03s | 3.1%) | Pleasanton Seahawks | 01/31/2026 | Zone 2 Winter Championship Meet | |
| 156 | Keegan Leroux | 33.22 | 9 | AAA Min | AAAA: 32.19 (+1.03s | 3.1%) | Fremont High School Swim Team | 04/24/2024 | SCVAL Leagues | |
| 157 | Johann Mancenido | 33.24 | 9 | AAA Min | AAAA: 32.19 (+1.05s | 3.2%) | Dart Swimming | 11/09/2024 | Folsom Classic 2024 | |
| 158 | Harrison Carr | 33.25 | 10 | AAA Min | AAAA: 32.19 (+1.06s | 3.2%) | Aquajets Swim Team | 01/30/2026 | 2026 MN MTKA TYR Team Challenge | |
| 159 | George Xuan | 33.26 | 10 | AAA Min | AAAA: 32.19 (+1.07s | 3.2%) | Commonwealth Swimming | 01/10/2026 | 2026 NE CS Winter Classic | |
| 160 | Morgan Dasilva | 33.27 | 10 | AAA Min | AAAA: 32.19 (+1.08s | 3.2%) | Asphalt Green Unified Aquatics | 01/30/2026 | 2026 MR LIE Second Chance Invitational | |
| 161 | John Flood | 33.28 | 11 | AAA Min | AAAA: 32.19 (+1.09s | 3.3%) | Nation\\\\\\'s Capital Swim Club | 01/17/2026 | PVS January Open 2026 Fairland | |
| 162 | Grant Geisler | 33.29 | 10 | AAA Min | AAAA: 32.19 (+1.10s | 3.3%) | Huntsville Swim Association | 01/16/2026 | 2026 HSA TYR Invitational | |
| 163 | Skyler Foley | 33.29 | 9 | AAA Min | AAAA: 32.19 (+1.10s | 3.3%) | Collins High School | 02/07/2026 | 1st Round KHSAA State Championships Site #2 | |
| 164 | Aurelius Lien | 33.31 | 9 | AAA Min | AAAA: 32.19 (+1.12s | 3.4%) | Santa Clara Swim Club | 12/12/2025 | Winter SC Age Group Championships | |
| 165 | Lukas Bell | 33.31 | 9 | AAA Min | AAAA: 32.19 (+1.12s | 3.4%) | SwimRVA | 11/22/2025 | Bass Turkey Classic 2025 | |
| 166 | Weston Sprigg | 33.32 | 10 | AAA Min | AAAA: 32.19 (+1.13s | 3.4%) | Loyola Blakefield Aquatics | 12/04/2025 | 2025 Sport Fair Winter Classic | |
| 167 | John Matook | 33.33 | 11 | AAA Min | AAAA: 32.19 (+1.14s | 3.4%) | YMCA of the North Shore Sharks | 01/30/2026 | 2026 NE CS Silver Championships | |
| 168 | Tate Robinson | 33.36 | 9 | AAA Min | AAAA: 32.19 (+1.17s | 3.5%) | Eagle Swimming Association | 02/21/2025 | 2025 Gulf 12 Under Champs (TASC) | |
| 169 | Daniel Lazar | 33.43 | 10 | AAA Min | AAAA: 32.19 (+1.24s | 3.7%) | Coast Aquatics | 02/13/2026 | 2026 SES Region 4 Championships | |
| 170 | Aaron Niu | 33.45 | 9 | AAA Min | AAAA: 32.19 (+1.26s | 3.8%) | Tokyo-Red | 01/24/2026 | 2026 SCS Swim Festival | |
| 171 | Jonah Mandell | 33.45 | 10 | AAA Min | AAAA: 32.19 (+1.26s | 3.8%) | Bayside Aquatics | 12/11/2025 | 2025 East Coast WinterFest | |
| 172 | Aiden Rawiopab | 33.49 | 11 | AAA Min | AAAA: 32.19 (+1.30s | 3.9%) | Twisters Swim Club | 01/17/2026 | 2026 MR AGUA MLK Invitational | |
| 173 | James Branch | 33.50 | 9 | AAA Min | AAAA: 32.19 (+1.31s | 3.9%) | West Valley High School | 01/11/2025 | 2025 Kentridge HS Invitational BOYS OBSERVED | |
| 174 | Dylan Chen | 33.52 | 10 | AAA Min | AAAA: 32.19 (+1.33s | 4.0%) | Columbia Aquatics Association | 12/04/2025 | 2025 Sport Fair Winter Classic | |
| 175 | Titus Wu | 33.53 | 10 | AAA Min | AAAA: 32.19 (+1.34s | 4.0%) | Lynchburg YMCA Swim Team | 01/31/2026 | LY Vs CA Y January Dual | |
| 176 | Whitt Jaskot | 33.54 | 10 | AAA Min | AAAA: 32.19 (+1.35s | 4.0%) | Cavalier Aquatics/Piedmont Fam | 12/11/2025 | 2025 East Coast WinterFest | |
| 177 | Christopher Lowther | 33.55 | 10 | AAA Min | AAAA: 32.19 (+1.36s | 4.1%) | YMCA of the Triangle Area Swim | 12/11/2025 | 32nd Annual YOTA Arena Capital Classic | |
| 178 | Zachary Zhang | 33.56 | 11 | AAA Min | AAAA: 32.19 (+1.37s | 4.1%) | South Shore YMCA Strypers | 02/06/2026 | 2026 NE CRA Last Chance February Invite | |
| 179 | Gregorio Partida | 33.58 | 10 | AAA Min | AAAA: 32.19 (+1.39s | 4.1%) | Toppenish | 01/10/2026 | 2026 Kentridge High School Invitational Obse | |
| 180 | Alexander Lyavzin | 33.58 | 10 | AAA Min | AAAA: 32.19 (+1.39s | 4.1%) | SwimRight Team | 12/06/2025 | 2025 Pompano Beach Santa Claus Meet | |
| 181 | Oliver Bendoym | 33.59 | 10 | AAA Min | AAAA: 32.19 (+1.40s | 4.2%) | South Florida Aquatic Club | 02/06/2026 | Friendship Meet 2026 | |
| 182 | Jayden Wu | 33.60 | 10 | AAA Min | AAAA: 32.19 (+1.41s | 4.2%) | Charles River Aquatics | 02/06/2026 | 2026 NE CRA Last Chance February Invite | |
| 183 | Spencer Ramsbottom | 33.60 | 9 | AAA Min | AAAA: 32.19 (+1.41s | 4.2%) | Marlins Of Raleigh | 01/16/2026 | 2026 RSA Winter Tri | |
| 184 | Chukwuma Chiedozi | 33.63 | 10 | AAA Min | AAAA: 32.19 (+1.44s | 4.3%) | Rogue Rapids | 12/12/2025 | 2025 TEAM Winter Invitational | |
| 185 | Kennedy Whiting | 33.64 | 10 | AAA Min | AAAA: 32.19 (+1.45s | 4.3%) | Minnetonka Swim Club | 12/05/2025 | 2025 MN AQJT 14 U Single Age State Meet Cop | |
| 186 | Maxwell Dean | 33.66 | 10 | AAA Min | AAAA: 32.19 (+1.47s | 4.4%) | Voltage Aquatics | 12/13/2025 | 2025 Holiday Classic | |
| 187 | Ryan Latronica | 33.67 | 10 | AAA Min | AAAA: 32.19 (+1.48s | 4.4%) | Hills Hurricane Swimming | 01/31/2026 | Zone 2 Winter Championship Meet | |
| 188 | Hendrix Raulerson | 33.69 | 10 | AAA Min | AAAA: 32.19 (+1.50s | 4.5%) | Nova of Virginia | 11/07/2025 | 2025 Mid Atlantic AG Championship Showdown | |
| 189 | Kessler Zornes | 33.70 | 9 | AAA Min | AAAA: 32.19 (+1.51s | 4.5%) | Oregon City | 02/15/2025 | 2025 OR HS 6A 5 | |
| 190 | Samik Dangol | 33.70 | 9 | AAA Min | AAAA: 32.19 (+1.51s | 4.5%) | Stingrays Swim Team | 01/17/2026 | 2026 Duck Bowl | |
| 191 | Peter Norton | 33.71 | 10 | AAA Min | AAAA: 32.19 (+1.52s | 4.5%) | Bgc-N. Westchester Marlins | 11/14/2025 | 2025 MR COND November IMX Invitational | |
| 192 | Bryan Jing | 33.72 | 9 | AAA Min | AAAA: 32.19 (+1.53s | 4.5%) | Rockville Montgomery Swim Club | 12/11/2025 | 2025 Riley Eaton Holiday Invitational | |
| 193 | Declan Bannan | 33.72 | 10 | AAA Min | AAAA: 32.19 (+1.53s | 4.5%) | Rancho San Dieguito | 12/19/2025 | 2025 SI Winter Age Group Championships | |
| 194 | Andrew Campos | 33.73 | 10 | AAA Min | AAAA: 32.19 (+1.54s | 4.6%) | Selah | 01/10/2026 | 2026 Kentridge High School Invitational Obse | |
| 195 | Jorden Li | 33.73 | 10 | AAA Min | AAAA: 32.19 (+1.54s | 4.6%) | Arctic Aquatics | 01/09/2026 | 2026 NE CRA New Year Distance And Specialty | |
| 196 | Oleksandr Ihnatchenko | 33.75 | 10 | AAA Min | AAAA: 32.19 (+1.56s | 4.6%) | SwimRight Team | 12/06/2025 | 2025 Pompano Beach Santa Claus Meet | |
| 197 | Harrison Band | 33.75 | 9 | AAA Min | AAAA: 32.19 (+1.56s | 4.6%) | Nation\\\\\\'s Capital Swim Club | 11/07/2025 | 2025 Mid Atlantic AG Championship Showdown | |
| 198 | Jake Brown | 33.77 | 10 | AAA Min | AAAA: 32.19 (+1.58s | 4.7%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 02/13/2026 | 2026 Showdown In Motown | |
| 199 | Peyton Majors | 33.80 | 11 | AAA Min | AAAA: 32.19 (+1.61s | 4.8%) | Mid Hudson Heatwaves | 01/31/2026 | 2026 MR MWDA YBAR Sink Or Swim Invitational | |
| 200 | Connor Oh | 33.83 | 10 | AAA Min | AAAA: 32.19 (+1.64s | 4.8%) | Irvine Novaquatics | 04/03/2025 | Pacific Swimming SC Far Western Champs | |
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.