USA Boys 10 & under - 50 Y 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 4151 | Dax Nisenbaum | 36.48 | 10 | B Min | BB: 34.59 (+1.89s | 5.2%) | Hills Hurricane Swimming | 01/31/2026 | Zone 2 Winter Championship Meet | |
| 4152 | Camden Sparenborg | 36.48 | 8 | B Min | BB: 34.59 (+1.89s | 5.2%) | Utah Valley Aquatics | 12/04/2025 | 2025 Holiday Swim Festival | |
| 4153 | Kenneth Zhu | 36.48 | 9 | B Min | BB: 34.59 (+1.89s | 5.2%) | Pearland Aquatics | 02/21/2025 | 2025 Gulf 12 Under Champs (KATY) | |
| 4154 | Briggs North | 36.48 | 10 | B Min | BB: 34.59 (+1.89s | 5.2%) | Aberdeen Swim Club | 10/18/2025 | 2025 SD Spooktacular Intrasquad | |
| 4155 | Wesley Herro | 36.48 | 10 | B Min | BB: 34.59 (+1.89s | 5.2%) | Blue Dolfins | 10/25/2025 | 2025 Halloween Spooktacular | |
| 4156 | James Bolger | 36.49 | 9 | B Min | BB: 34.59 (+1.90s | 5.2%) | City of Mobile Swim Associatio | 02/13/2026 | 2026 SES Region 4 Championships | |
| 4157 | Alex Musteata | 36.49 | 9 | B Min | BB: 34.59 (+1.90s | 5.2%) | 757swim | 01/09/2026 | 2026 757swim Splash And Dash | |
| 4158 | Noah Dunning | 36.49 | 9 | B Min | BB: 34.59 (+1.90s | 5.2%) | Bangor YMCA Barracudas | 03/13/2025 | 2025 MESI Winter Short Course Championships | |
| 4159 | Bennett Burtz | 36.49 | 9 | B Min | BB: 34.59 (+1.90s | 5.2%) | CAC Stingrays Swim Team | 02/01/2026 | 2026 CO FORM February Freeze | |
| 4160 | Adhrit Dixit | 36.49 | 8 | B Min | BB: 34.59 (+1.90s | 5.2%) | Edina Swim Club | 03/15/2025 | 2025 MN FOXJ Short Course 10 U State Champion | |
| 4161 | Samuel Wacek | 36.49 | 10 | B Min | BB: 34.59 (+1.90s | 5.2%) | Alexandria Swim Club | 01/24/2026 | 2026 MN DRGN Fire And Ice Invite | |
| 4162 | Massimo Sclafani | 36.49 | 8 | B Min | BB: 34.59 (+1.90s | 5.2%) | Webbs Tornadoes Swim Team | 01/09/2026 | 2026 NE CRA New Year Distance And Specialty | |
| 4163 | Enzo Rodrigues | 36.49 | 9 | B Min | BB: 34.59 (+1.90s | 5.2%) | Longhorn Aquatics | 10/11/2025 | 2025 ST WOW Great Pumpkin Plunge | |
| 4164 | Hatcher Harrington | 36.50 | 9 | B Min | BB: 34.59 (+1.91s | 5.2%) | Ensworth Aquatics | 12/13/2025 | 2025 Marshmallow Mini | |
| 4165 | Escher Davis | 36.50 | 9 | B Min | BB: 34.59 (+1.91s | 5.2%) | Mecklenburg Swim Association | 12/12/2025 | 2025 NC QCD Holiday Invite | |
| 4166 | Spencer Frickson | 36.50 | 9 | B Min | BB: 34.59 (+1.91s | 5.2%) | Mako Aquatics | 10/10/2025 | 2025 MN RSC Fall Frenzy | |
| 4167 | Julian Brown | 36.50 | 10 | B Min | BB: 34.59 (+1.91s | 5.2%) | Razor Aquatics | 11/22/2025 | 2025 Royal Fall Cup | |
| 4168 | Ronan Kruse | 36.50 | 9 | B Min | BB: 34.59 (+1.91s | 5.2%) | South Bay Aquatics | 06/28/2025 | 2025 SI CAST 14 Under Rising Stars 2 | |
| 4169 | Mason Thaden | 36.50 | 8 | B Min | BB: 34.59 (+1.91s | 5.2%) | Rochester Swim Club | 12/05/2025 | 2025 MN AQJT 14 U Single Age State Meet Cop | |
| 4170 | Joel Mccormack | 36.51 | 9 | B Min | BB: 34.59 (+1.92s | 5.3%) | Condors Swim Club | 10/10/2025 | 2025 MR COND October Fall Festival | |
| 4171 | Shan Chan | 36.51 | 10 | B Min | BB: 34.59 (+1.92s | 5.3%) | Three Village Swim Club | 01/09/2026 | 2026 MR TVSC TJ Kelly Memorial Joust | |
| 4172 | Reid Keller | 36.51 | 10 | B Min | BB: 34.59 (+1.92s | 5.3%) | Great Lakes Tritons | 12/12/2025 | 2025 GLT Tsunami | |
| 4173 | Albert Wang | 36.51 | 10 | B Min | BB: 34.59 (+1.92s | 5.3%) | Monterey Bay Swim Club | 10/11/2025 | QSS Santa Cruz Competenicia C B A+ | |
| 4174 | Isaac Printup | 36.51 | 9 | B Min | BB: 34.59 (+1.92s | 5.3%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 4175 | Chase Varghese | 36.51 | 8 | B Min | BB: 34.59 (+1.92s | 5.3%) | Premier Aquatics Club of Klein | 01/03/2025 | PACK Rubber Duckie Invite 2025 | |
| 4176 | Jack Bentley-Henry | 36.51 | 10 | B Min | BB: 34.59 (+1.92s | 5.3%) | Rima United | 01/09/2026 | 2026 NE CRIM Jan Team Specialty | |
| 4177 | Noah Glod | 36.52 | 9 | B Min | BB: 34.59 (+1.93s | 5.3%) | Kent County YMCA | 02/01/2026 | 2026 NE NCYW 36th Annual YMCA Pentathlon | |
| 4178 | Christopher Chatham | 36.52 | 10 | B Min | BB: 34.59 (+1.93s | 5.3%) | Hillsboro Swim Team | 02/07/2026 | 2026 OR HEAT BC Blastoff | |
| 4179 | Thiago Ronda | 36.52 | 8 | B Min | BB: 34.59 (+1.93s | 5.3%) | Swim Florida | 02/07/2026 | 2026 GCST WINTER OPEN | |
| 4180 | Parker Horenstein | 36.52 | 10 | B Min | BB: 34.59 (+1.93s | 5.3%) | Gold\\\\\\'s Aquatics Club | 11/22/2025 | 2025 PN November AGI Div 1 (PDST) | |
| 4181 | Sebastian Siebert Restrepo | 36.52 | 10 | B Min | BB: 34.59 (+1.93s | 5.3%) | Clearwater Aquatic Team | 01/30/2026 | 2026 FAST February Helping Hands Invite | |
| 4182 | Jax John | 36.52 | 9 | B Min | BB: 34.59 (+1.93s | 5.3%) | Mesa Aquatics Club | 02/14/2025 | 33rd Annual Lost Dutchman Invitational | |
| 4183 | Micah Greer | 36.52 | 9 | B Min | BB: 34.59 (+1.93s | 5.3%) | Manchester Makos Swim Team | 01/09/2026 | 2026 Winter Jam | |
| 4184 | Benjamin Zhou | 36.52 | 8 | B Min | BB: 34.59 (+1.93s | 5.3%) | Life Time Swim Team - Central | 01/17/2026 | 2026 ST AQTX B Champs North | |
| 4185 | Gamaliel Okon | 36.52 | 10 | B Min | BB: 34.59 (+1.93s | 5.3%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 4186 | Lucas Abey | 36.52 | 8 | B Min | BB: 34.59 (+1.93s | 5.3%) | Rockville Montgomery Swim Club | 12/06/2025 | 2025 Reindeer Mini Meet | |
| 4187 | Nathanael Gray | 36.53 | 10 | B Min | BB: 34.59 (+1.94s | 5.3%) | Nation\\\\\\'s Capital Swim Club | 11/14/2025 | 2025 PV November Open Dulles South | |
| 4188 | Augustus Howell | 36.53 | 9 | B Min | BB: 34.59 (+1.94s | 5.3%) | Sarasota Sharks | 06/21/2025 | West Coast B Champtionships | |
| 4189 | Kenneth Zhao | 36.53 | 9 | B Min | BB: 34.59 (+1.94s | 5.3%) | Bluefish Swim Club | 01/30/2026 | 2026 NE UVAC Silvers | |
| 4190 | Jensen Lindow | 36.53 | 8 | B Min | BB: 34.59 (+1.94s | 5.3%) | Asheville Jewish Community Cen | 11/15/2025 | 2025 The Gourd Time Gathering | |
| 4191 | Finn McJunkin | 36.53 | 10 | B Min | BB: 34.59 (+1.94s | 5.3%) | Swim Lake City Legends | 11/21/2025 | 2025 MAC Thanksgiving Invitational | |
| 4192 | Teodore Lugovoy | 36.53 | 8 | B Min | BB: 34.59 (+1.94s | 5.3%) | Dolphin Club | 01/09/2026 | NOVA New Year S Kick Off | |
| 4193 | Vincent Schremer | 36.53 | 8 | B Min | BB: 34.59 (+1.94s | 5.3%) | Life Time Oregon Swim Team | 11/01/2025 | 2025 PAC Fall Invitational | |
| 4194 | Vincent DeRossi | 36.54 | 9 | B Min | BB: 34.59 (+1.95s | 5.3%) | Long Island Aquatic Club | 12/05/2025 | 2025 MR NYS Holiday Classic Trials Finals | |
| 4195 | Augustine Nelson | 36.54 | 10 | B Min | BB: 34.59 (+1.95s | 5.3%) | Atlantis Swimming | 01/31/2026 | 2026 Guppy Bowl | |
| 4196 | Max Moesker | 36.54 | 8 | B Min | BB: 34.59 (+1.95s | 5.3%) | VillaSport Swim Team | 10/11/2024 | PACK Pretty In Pink Invitational Meet 2024 | |
| 4197 | Mateo Tinoco Iraheta | 36.54 | 9 | B Min | BB: 34.59 (+1.95s | 5.3%) | Walla Walla Swim Club | 11/15/2025 | 2025 Thankswimming Open Copied | |
| 4198 | Declan Reilly | 36.54 | 10 | B: 32.79 (+3.75s | 10.3%) | Front Range Barracudas | 01/16/2026 | 2026 CO CUDA Classic | ||
| 4199 | Kaito Kinnaird | 36.54 | 10 | B Min | BB: 34.59 (+1.95s | 5.3%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 4200 | Carter Dabbs | 36.54 | 10 | B Min | BB: 34.59 (+1.95s | 5.3%) | Midland Dolphins | 02/15/2026 | 2026 MTSL 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.