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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1201 | Nolan Lu | 31.12 | 10 | BB Min | A: 31.09 (+0.03s | 0.1%) | DeAnza Cupertino Aquatics | 03/20/2026 | SCY Spring Age Group Championships | |
| 1202 | Rossi Cofield | 31.12 | 9 | BB Min | A: 31.09 (+0.03s | 0.1%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 1203 | Caleb Lincoln | 31.12 | 10 | BB Min | A: 31.09 (+0.03s | 0.1%) | YMCA of Hagerstown | 03/05/2026 | 2026 MD LSC 14 U Championships | |
| 1204 | Ethan Cookson | 31.13 | 10 | BB Min | A: 31.09 (+0.04s | 0.1%) | SwimRise Aquatics | 03/05/2026 | 2026 Florida Swimming FLAGS NORTH | |
| 1205 | Isaiah Williams | 31.13 | 10 | BB Min | A: 31.09 (+0.04s | 0.1%) | Accokeek Stroke Technique Swim | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 1206 | Theodore Lahre | 31.13 | 9 | BB Min | A: 31.09 (+0.04s | 0.1%) | Bgc-N. Westchester Marlins | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 1207 | Adrien Reyes | 31.13 | 10 | BB Min | A: 31.09 (+0.04s | 0.1%) | Clackamas | 02/13/2026 | 2026 OR HS 6A 4 | |
| 1208 | Sebastian Hostutler | 31.13 | 10 | BB Min | A: 31.09 (+0.04s | 0.1%) | Upper Main Line YMCA | 12/11/2025 | 2025 East Coast WinterFest | |
| 1209 | Yupeng Wang | 31.13 | 10 | BB Min | A: 31.09 (+0.04s | 0.1%) | Monterey Park Manta Rays | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 1210 | Arthur Shackelton | 31.13 | 9 | BB Min | A: 31.09 (+0.04s | 0.1%) | Lakeridge Swim Team | 01/16/2026 | 2026 Blizzard Blast Swim Meet | |
| 1211 | David Limakov | 31.14 | 10 | BB Min | A: 31.09 (+0.05s | 0.2%) | Pipeline Swimming | 11/21/2025 | SPA PYP NOVEMBER 2025 | |
| 1212 | Paxton Marvray | 31.14 | 10 | BB Min | A: 31.09 (+0.05s | 0.2%) | Sawtooth Aquatic Club | 12/04/2025 | 2025 Holiday Swim Festival | |
| 1213 | Camille Turpin | 31.14 | 10 | BB Min | A: 31.09 (+0.05s | 0.2%) | Asphalt Green Unified Aquatics | 01/30/2026 | 2026 MR LIE Second Chance Invitational | |
| 1214 | Luca Aguilera | 31.14 | 10 | BB Min | A: 31.09 (+0.05s | 0.2%) | Roadrunner Aquatics | 12/04/2025 | 2025 Holiday Swim Festival | |
| 1215 | Martin Takats | 31.14 | 10 | BB Min | A: 31.09 (+0.05s | 0.2%) | Quest Swimming | 03/12/2026 | 2026 Virginia Swimming SC Age Group Champions | |
| 1216 | Christian Hernandez | 31.14 | 10 | BB Min | A: 31.09 (+0.05s | 0.2%) | Walnut Creek Aquabears | 03/20/2026 | SCY Spring Age Group Championships | |
| 1217 | Ryan Sanders | 31.15 | 9 | BB Min | A: 31.09 (+0.06s | 0.2%) | Rockville Montgomery Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 1218 | Sasha Herischi | 31.15 | 10 | BB Min | A: 31.09 (+0.06s | 0.2%) | All Star Aquatics | 12/05/2025 | 2025 Christmas Championships | |
| 1219 | Jack Bender | 31.15 | 9 | BB Min | A: 31.09 (+0.06s | 0.2%) | Unattached | 11/14/2025 | 2025 PV November Open Franconia | |
| 1220 | Ezekiel Fuller | 31.15 | 9 | BB Min | A: 31.09 (+0.06s | 0.2%) | El Paso Bel Air | 11/07/2025 | 2025 Loretto Cathedral Invite | |
| 1221 | Geonyeong Lee | 31.15 | 10 | BB Min | A: 31.09 (+0.06s | 0.2%) | Life Time Michigan Swim Team | 02/28/2026 | 2026 Life Time Michigan Last Chance | |
| 1222 | James Parker | 31.15 | 10 | BB Min | A: 31.09 (+0.06s | 0.2%) | Machine Aquatics | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 1223 | Jacob Riegel | 31.16 | 10 | BB Min | A: 31.09 (+0.07s | 0.2%) | Wilmington Aquatic Club | 12/11/2025 | 2025 Katie Ledecky Invitational | |
| 1224 | Levi McCloy | 31.16 | 10 | BB Min | A: 31.09 (+0.07s | 0.2%) | High Performance Aquatic Club | 02/13/2026 | 2026 ST HPAC STX Champs South | |
| 1225 | Brandon Scott | 31.16 | 10 | BB Min | A: 31.09 (+0.07s | 0.2%) | Naches Valley High School | 01/10/2026 | 2026 Kentridge High School Invitational Obse | |
| 1226 | Patrick Rollins | 31.16 | 10 | BB Min | A: 31.09 (+0.07s | 0.2%) | Atlantis Swimming | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 1227 | Nicolas Martinez | 31.16 | 10 | BB Min | A: 31.09 (+0.07s | 0.2%) | Nova of Virginia | 12/12/2025 | 2025 HVAC Winterfest Invitational | |
| 1228 | Alex Evans | 31.16 | 10 | BB Min | A: 31.09 (+0.07s | 0.2%) | Ensworth Aquatics | 02/27/2026 | 2026 SE Southeastern Winter SC Championships | |
| 1229 | Ian Chan | 31.16 | 10 | BB Min | A: 31.09 (+0.07s | 0.2%) | Trident Aquatic Club | 02/28/2026 | 2026 MR QNS I Know I Can Invitational | |
| 1230 | Andrew Zhang | 31.16 | 9 | BB Min | A: 31.09 (+0.07s | 0.2%) | Revolution Swim Club | 03/13/2026 | 2026 NE INST NE Cup | |
| 1231 | Crosby Coleman | 31.17 | 10 | BB Min | A: 31.09 (+0.08s | 0.3%) | Rochester Swim Club | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 1232 | Wesley Stevens | 31.17 | 10 | BB Min | A: 31.09 (+0.08s | 0.3%) | Peninsula Wave Riders Swimming | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1233 | Sebastian Michel | 31.18 | 10 | BB Min | A: 31.09 (+0.09s | 0.3%) | Katy Aquatic Team For Youth | 02/21/2025 | 2025 Gulf 12 Under Champs (KATY) | |
| 1234 | Ori Maccabee | 31.18 | 10 | BB Min | A: 31.09 (+0.09s | 0.3%) | Hood River Valley | 02/12/2025 | 2025 OR HS 5a 1 | |
| 1235 | Caden Merritt | 31.18 | 10 | BB Min | A: 31.09 (+0.09s | 0.3%) | Carolina Aquatic Team | 02/26/2026 | 2026 NCS SC AG CHAMPS | |
| 1236 | Leo Zhang | 31.19 | 10 | BB Min | A: 31.09 (+0.10s | 0.3%) | Bayside Branch YMCA | 02/01/2026 | 2026 NE NCYW 36th Annual YMCA Pentathlon | |
| 1237 | Collin Johnson | 31.19 | 10 | BB Min | A: 31.09 (+0.10s | 0.3%) | Machine Aquatics | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 1238 | Leo Liao | 31.19 | 10 | BB Min | A: 31.09 (+0.10s | 0.3%) | Alto Swim Club | 03/28/2026 | Alto Rock The Blocks Invitational 2026 | |
| 1239 | Oliver Barlow | 31.19 | 10 | BB Min | A: 31.09 (+0.10s | 0.3%) | McMinnville | 02/15/2025 | 2025 OR HS 6A 3 | |
| 1240 | Harry Gerasim | 31.19 | 9 | BB Min | A: 31.09 (+0.10s | 0.3%) | Eagle Aquatics | 03/05/2026 | 2026 FG Age Group SCY Championships | |
| 1241 | Cameron Glissmeyer | 31.19 | 10 | BB Min | A: 31.09 (+0.10s | 0.3%) | South Davis Aquatics Team | 03/05/2025 | 2025 Short Course UTAGS Championships | |
| 1242 | Brian Chou | 31.20 | 9 | BB Min | A: 31.09 (+0.11s | 0.4%) | Irvine Novaquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 1243 | Larkin Stevens | 31.20 | 10 | BB Min | A: 31.09 (+0.11s | 0.4%) | Mission Aurora Colorado Swimmi | 03/14/2025 | 2025 CO NJ Mile High Championships | |
| 1244 | Calvin D'Haem | 31.20 | 9 | BB Min | A: 31.09 (+0.11s | 0.4%) | Phoenix | 02/13/2026 | 2026 OR HS 4a 2 | |
| 1245 | Ben Teems | 31.21 | 10 | BB Min | A: 31.09 (+0.12s | 0.4%) | Club Wolverine | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 1246 | Bryce Lada | 31.21 | 10 | BB Min | A: 31.09 (+0.12s | 0.4%) | Hydro-sonic Tiburones | 12/11/2025 | 2025 Riley Eaton Holiday Invitational | |
| 1247 | John Tikhonov | 31.21 | 10 | BB Min | A: 31.09 (+0.12s | 0.4%) | Matchpoint Nyc | 02/07/2026 | 2026 MR FREE Championships Meets Qualifier | |
| 1248 | Dillan Quarrey | 31.21 | 9 | BB Min | A: 31.09 (+0.12s | 0.4%) | West Linn | 02/13/2026 | 2026 OR HS 6A 5 | |
| 1249 | Parker Sampson | 31.22 | 10 | BB Min | A: 31.09 (+0.13s | 0.4%) | Denver Swim Academy | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 1250 | Ashwin Tiwari | 31.22 | 9 | BB Min | A: 31.09 (+0.13s | 0.4%) | Olympic Cascade Aquatics | 03/19/2026 | 2026 Northwest Region AG Champs Approved | |
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.