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 | Ethan Lucas | 31.28 | 10 | BB Min | A: 31.09 (+0.19s | 0.6%) | Delaware Swim Team | 12/11/2025 | 2025 Riley Eaton Holiday Invitational | |
| 1202 | Calvin Offutt | 31.29 | 10 | BB Min | A: 31.09 (+0.20s | 0.6%) | North Baltimore Aquatic Club | 11/14/2025 | 2025 NBAC Thanksgiving Meet | |
| 1203 | Dmitrii Volkhov | 31.29 | 10 | BB Min | A: 31.09 (+0.20s | 0.6%) | San Antonio Wave | 02/28/2026 | 2026 ST SCY Surge Marsh Madness | |
| 1204 | Mason Sovich | 31.29 | 9 | BB Min | A: 31.09 (+0.20s | 0.6%) | Olympic Cascade Aquatics | 03/19/2026 | 2026 NW Region Age Group Champs Approved | |
| 1205 | Virgil McMullen | 31.29 | 10 | BB Min | A: 31.09 (+0.20s | 0.6%) | Lynchburg YMCA Swim Team | 12/04/2025 | 14th Annual Swim Tri Speedo Winter Champs | |
| 1206 | Luke Chen | 31.29 | 10 | BB Min | A: 31.09 (+0.20s | 0.6%) | Three Village Swim Club | 02/20/2026 | 2026 MR Silvers Championship South HAUP | |
| 1207 | Matteo Castro-Munoz | 31.29 | 10 | BB Min | A: 31.09 (+0.20s | 0.6%) | Quince Orchard Swim Academy | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 1208 | Fletcher Robinson | 31.30 | 10 | BB Min | A: 31.09 (+0.21s | 0.7%) | Fort Meigs YMCA Stingrays | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1209 | Jaxon Despain | 31.30 | 9 | BB Min | A: 31.09 (+0.21s | 0.7%) | Denver Swim Academy | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 1210 | Judah Resnick | 31.30 | 10 | BB Min | A: 31.09 (+0.21s | 0.7%) | Fox Chapel Killer Whales | 02/13/2026 | 39th Black History Swim Meet | |
| 1211 | Ryan Dong | 31.30 | 10 | BB Min | A: 31.09 (+0.21s | 0.7%) | Charles River Aquatics | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 1212 | Leo Gazzard | 31.30 | 9 | BB Min | A: 31.09 (+0.21s | 0.7%) | Bellevue Club Swim Team | 03/19/2026 | 2026 Northwest Region AG Champs Approved | |
| 1213 | Ace Zhang | 31.30 | 8 | BB Min | A: 31.09 (+0.21s | 0.7%) | Twisters Swim Club | 12/13/2025 | 2025 MR TRI Winter SCY Invitational | |
| 1214 | Matthew Winn | 31.30 | 9 | BB Min | A: 31.09 (+0.21s | 0.7%) | Stingray Swim Team | 05/15/2026 | 2026 PN SRST Pacific Coast Invitational App | |
| 1215 | Mahkoah Tanap | 31.31 | 10 | BB Min | A: 31.09 (+0.22s | 0.7%) | Quantum Waves Aquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 1216 | Christopher Navarro | 31.31 | 10 | BB Min | A: 31.09 (+0.22s | 0.7%) | Kamehameha Swim Club | 12/06/2025 | 45th Annual Ken Suenaga Invitational (SCY) | |
| 1217 | Alexander Hammerschmidt | 31.31 | 10 | BB Min | A: 31.09 (+0.22s | 0.7%) | The Western Mass Aquadogs | 10/17/2025 | 2025 NE CRIM OCTOBER TEAM SPECIALTY W DIST | |
| 1218 | Sebastian Reilly | 31.31 | 10 | BB Min | A: 31.09 (+0.22s | 0.7%) | Nation\\\\\\'s Capital Swim Club | 02/13/2026 | 2026 ASA President S Day Classic | |
| 1219 | Nathaniel Maravolo | 31.31 | 10 | BB Min | A: 31.09 (+0.22s | 0.7%) | Hurricane Penguins Swim Club | 12/12/2025 | Penguin Holiday Bowl 2025 | |
| 1220 | Macklin Connolly | 31.32 | 10 | BB Min | A: 31.09 (+0.23s | 0.7%) | Unattached | 04/27/2025 | 2025 MN MNSI 3rd Annual MN Athlete Showcase | |
| 1221 | Mason Nguyen | 31.32 | 10 | BB Min | A: 31.09 (+0.23s | 0.7%) | Aquazot Swim Club | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 1222 | Liam Kwak | 31.32 | 10 | BB Min | A: 31.09 (+0.23s | 0.7%) | Life Time Colorado Swim Club | 03/06/2026 | 2026 CO 14 U Silver State | |
| 1223 | Liam Reyes | 31.32 | 10 | BB Min | A: 31.09 (+0.23s | 0.7%) | Zone 4 Challenge Team | 04/26/2026 | 2026 Pacific Swimming Zone All Star Meet | |
| 1224 | Dalton Gonzalez | 31.32 | 9 | BB Min | A: 31.09 (+0.23s | 0.7%) | Nitro Swimming | 02/20/2026 | 2026 ST AAAA SC STAGS | |
| 1225 | Maxwell Dean | 31.32 | 10 | BB Min | A: 31.09 (+0.23s | 0.7%) | Voltage Aquatics | 10/25/2025 | Spook Splash 2025 | |
| 1226 | Jayden Liu | 31.32 | 10 | BB Min | A: 31.09 (+0.23s | 0.7%) | Katy Aquatic Team For Youth | 02/21/2025 | 2025 Gulf 12 Under Champs (KATY) | |
| 1227 | Kanoa Kranz-Kahapea | 31.32 | 10 | BB Min | A: 31.09 (+0.23s | 0.7%) | Klamath Union | 02/14/2025 | 2025 OR HS 4a 2 | |
| 1228 | Jameson Knesek | 31.32 | 10 | BB Min | A: 31.09 (+0.23s | 0.7%) | Supernova Swim Team | 02/27/2026 | 2026 Junior Cup | |
| 1229 | Mason Lambert | 31.32 | 10 | BB Min | A: 31.09 (+0.23s | 0.7%) | MONROE HIGH SCHOOL (MI) | 02/27/2026 | Boy S SEC Red Championship 2026 | |
| 1230 | Tobin Hartinger | 31.32 | 9 | BB Min | A: 31.09 (+0.23s | 0.7%) | Shorewood | 02/13/2026 | 2026 OR HS 6A 3 | |
| 1231 | Tyler Zhu | 31.33 | 10 | BB Min | A: 31.09 (+0.24s | 0.8%) | Arctic Aquatics | 12/13/2025 | 2025 NE ARCT December Specialty Meet | |
| 1232 | John Calhoun | 31.33 | 10 | BB Min | A: 31.09 (+0.24s | 0.8%) | Nova of Virginia | 12/12/2025 | 2025 HVAC Winterfest Invitational | |
| 1233 | Hunter Ashworth | 31.33 | 10 | BB Min | A: 31.09 (+0.24s | 0.8%) | Machine Aquatics | 03/20/2026 | March Madness 2026 | |
| 1234 | Kristopher Odom | 31.33 | 9 | BB Min | A: 31.09 (+0.24s | 0.8%) | Upper Valley Aquatic Club | 03/13/2026 | 2026 NE UVAC NHSA State Championships | |
| 1235 | Lucas Guillen | 31.34 | 9 | BB Min | A: 31.09 (+0.25s | 0.8%) | 757swim | 02/13/2026 | 2026 Southeast District 9 12 Championship | |
| 1236 | Max Matov | 31.34 | 10 | BB Min | A: 31.09 (+0.25s | 0.8%) | Commonwealth Swimming | 10/25/2025 | 2025 NE SHAWMUT Pumpkin Splash Copied | |
| 1237 | Silas Sebera | 31.35 | 9 | BB Min | A: 31.09 (+0.26s | 0.8%) | Nova of Virginia | 12/05/2025 | 2025 757swim Grand Illumination | |
| 1238 | Ace-Ryder Garza | 31.35 | 9 | BB Min | A: 31.09 (+0.26s | 0.8%) | Dr Dolores Silas | 02/20/2026 | 2026 WIAA 3A Boys HS State Champs OB | |
| 1239 | Yaroslav Biliavskyi | 31.35 | 10 | BB Min | A: 31.09 (+0.26s | 0.8%) | Tac Titans | 02/26/2026 | 2026 NCS SC AG CHAMPS | |
| 1240 | Lucas Rauseo | 31.35 | 9 | BB Min | A: 31.09 (+0.26s | 0.8%) | Christopher Columbus High | 10/17/2025 | 2025 Belen Jesuit Invitational | |
| 1241 | Thomas Mieszczak | 31.35 | 9 | BB Min | A: 31.09 (+0.26s | 0.8%) | Royal Swimming | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 1242 | Maximus Erhardt | 31.35 | 10 | BB Min | A: 31.09 (+0.26s | 0.8%) | Cardinal and Gold Aquatics | 03/13/2026 | 2026 Speedo Maryland Junior Championship Si | |
| 1243 | Aris Shi | 31.35 | 9 | BB Min | A: 31.09 (+0.26s | 0.8%) | Arctic Aquatics | 12/13/2025 | 2025 NE ARCT December Specialty Meet | |
| 1244 | Andrew Hunter | 31.35 | 9 | BB Min | A: 31.09 (+0.26s | 0.8%) | Empire Swimming | 02/06/2026 | 2026 MR YMID February Classic Copied | |
| 1245 | Angel Martinez | 31.36 | 9 | BB Min | A: 31.09 (+0.27s | 0.9%) | Mariner | 02/12/2026 | 2026 (WIAA) NW District I 4A Boys HS OB | |
| 1246 | Kevin Nguyen | 31.36 | 10 | BB Min | A: 31.09 (+0.27s | 0.9%) | Legacy Aquatics | 03/19/2026 | 2026 NW Region Age Group Champs Approved | |
| 1247 | Miles Lee | 31.36 | 9 | BB Min | A: 31.09 (+0.27s | 0.9%) | New Wave Swim Team | 03/25/2026 | 2026 TAC TITANS Tarheel States Meet | |
| 1248 | Bates Canada | 31.36 | 10 | BB Min | A: 31.09 (+0.27s | 0.9%) | Bolles School Sharks | 03/05/2026 | 2026 Florida Swimming FLAGS NORTH | |
| 1249 | Troy Cary | 31.37 | 9 | BB Min | A: 31.09 (+0.28s | 0.9%) | Unattached | 01/17/2026 | 2026 ST AAAA NS Frostbite | |
| 1250 | William Truong | 31.37 | 10 | BB Min | A: 31.09 (+0.28s | 0.9%) | Harbor Seals | 02/07/2026 | 2026 MR QNS We Fly High 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.