USA Boys 10 & under - 50 M 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1151 | Zachary DeLozier | 42.00 | 9 | B Min | BB: 39.79 (+2.21s | 5.3%) | Lake Oswego Swim Club | 04/25/2026 | GACC Spring Invitational | |
| 1152 | Fabian Aguirre Valero | 42.00 | 10 | B Min | BB: 39.79 (+2.21s | 5.3%) | Tigres Uanl | 05/02/2025 | 2025 ST 22nd Annual Cinco De Mayo | |
| 1153 | Adam Mitzel | 42.01 | 8 | B Min | BB: 39.79 (+2.22s | 5.3%) | Redmond Aquatic Club | 06/06/2025 | 2025 TRI CITY INVITATIONAL | |
| 1154 | Ethan Hartley | 42.01 | 10 | B Min | BB: 39.79 (+2.22s | 5.3%) | Quest Swimming | 06/27/2024 | NOVA Firecracker Classic | |
| 1155 | Brock Hawrylak | 42.01 | 10 | B Min | BB: 39.79 (+2.22s | 5.3%) | Aquawolves Swimming | 04/24/2026 | 2026 CO Steve Drozda LC Shotgun | |
| 1156 | Matias Jimenez | 42.02 | 10 | B Min | BB: 39.79 (+2.23s | 5.3%) | T2 Aquatics | 04/17/2026 | 2026 GCST Spring Open | |
| 1157 | Ryker Mahowald | 42.02 | 10 | B Min | BB: 39.79 (+2.23s | 5.3%) | Vermillion Area Swim Team | 06/20/2025 | VAST SPLASH | |
| 1158 | Andrew DiPaulo | 42.02 | 9 | B Min | BB: 39.79 (+2.23s | 5.3%) | Denver Athletic Club Swim Team | 04/25/2025 | 2025 CO TOPS Arena Catch Me If You Can | |
| 1159 | Bennett Kohlmeyer | 42.03 | 10 | B Min | BB: 39.79 (+2.24s | 5.3%) | Life Time Colorado Swim Club | 04/26/2025 | 2025 CO FST Spring LC Fever | |
| 1160 | Colton Cain | 42.03 | 9 | B Min | BB: 39.79 (+2.24s | 5.3%) | Charlotte County Swimming | 05/15/2026 | 2026 Kent B Holdren Memorial Meet | |
| 1161 | Sterling Hansen | 42.03 | 10 | B Min | BB: 39.79 (+2.24s | 5.3%) | Brighton Bullfrogs Swim Club | 05/30/2025 | 2025 CO Barracuda Summer Sizzler Invite | |
| 1162 | Ty Yetter | 42.03 | 8 | B Min | BB: 39.79 (+2.24s | 5.3%) | T2 Aquatics | 04/17/2026 | 2026 GCST Spring Open | |
| 1163 | Dhanvin Naviri | 42.03 | 10 | B Min | BB: 39.79 (+2.24s | 5.3%) | The Dolphins Portland Swimming | 04/17/2026 | 2026 MAC LONG COURSE INVITATIONAL | |
| 1164 | Quincy Oshitelu | 42.03 | 8 | B Min | BB: 39.79 (+2.24s | 5.3%) | Hillsboro Swim Team | 04/17/2026 | 2026 MAC LONG COURSE INVITATIONAL | |
| 1165 | John Calhoun | 42.03 | 10 | B Min | BB: 39.79 (+2.24s | 5.3%) | Nova of Virginia | 05/17/2024 | Freedom Splash | |
| 1166 | Wade Eybs | 42.04 | 9 | B Min | BB: 39.79 (+2.25s | 5.4%) | Denver Swim Academy | 05/16/2026 | 2026 CO Hilltopper Invite | |
| 1167 | Ettore Billip | 42.05 | 9 | B Min | BB: 39.79 (+2.26s | 5.4%) | Palo Alto Stanford Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 1168 | Jordan Fuertes | 42.07 | 10 | B Min | BB: 39.79 (+2.28s | 5.4%) | Maui Dolphins Swim Club | 04/19/2026 | 2026 MAGSA LCM A1 Meet | |
| 1169 | Etai Gavra | 42.08 | 10 | B Min | BB: 39.79 (+2.29s | 5.4%) | Patriot Aquatics | 05/15/2026 | 2026 PA Long Course Invite | |
| 1170 | Senge Laka | 42.08 | 9 | B Min | BB: 39.79 (+2.29s | 5.4%) | Cascadia Swimming | 04/17/2026 | 2026 MAC LONG COURSE INVITATIONAL | |
| 1171 | Shu-Cyuan Li | 42.10 | 9 | B Min | BB: 39.79 (+2.31s | 5.5%) | Waterloo Swimming | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 1172 | Elliott Walsh | 42.11 | 10 | B Min | BB: 39.79 (+2.32s | 5.5%) | South East Metro Sharks | 05/03/2026 | 2026 MN SEMS LC Invite | |
| 1173 | Christian Kewley | 42.11 | 10 | B Min | BB: 39.79 (+2.32s | 5.5%) | Southwest Stars Swim Club | 05/15/2026 | 2026 PA Long Course Invite | |
| 1174 | John Griswold | 42.12 | 10 | B Min | BB: 39.79 (+2.33s | 5.5%) | Alameda Gators | 04/26/2025 | PacSwim LCM C B BB+ Hosted By TERA | |
| 1175 | Mariano Sanchez Nava | 42.14 | 10 | B Min | BB: 39.79 (+2.35s | 5.6%) | Tornadoes Swim Team | 04/25/2026 | GACC Spring Invitational | |
| 1176 | Aaron Kim | 42.14 | 10 | B Min | BB: 39.79 (+2.35s | 5.6%) | EL Paso Border Land Swim Team | 06/28/2024 | 2024 EPAP Jack White Classic | |
| 1177 | Drew DeSautel | 42.16 | 8 | B Min | BB: 39.79 (+2.37s | 5.6%) | West Express Swim Team | 06/20/2025 | 2025 MN MAN Red White Blue Invite | |
| 1178 | Bolden Rapuzzi | 42.16 | 9 | B Min | BB: 39.79 (+2.37s | 5.6%) | Highlands Ranch Aquatics | 04/12/2026 | 2026 CO NJ SBL Pentathlon 12 U | |
| 1179 | Asher Snead | 42.17 | 9 | B Min | BB: 39.79 (+2.38s | 5.6%) | Poseidon Swimming Inc | 06/27/2024 | NOVA Firecracker Classic | |
| 1180 | Calvin Butler | 42.18 | 9 | B Min | BB: 39.79 (+2.39s | 5.7%) | California Gold | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 1181 | Bo Bamford | 42.18 | 9 | B Min | BB: 39.79 (+2.39s | 5.7%) | Portland Aquatic Club | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 1182 | Symon Kartsev | 42.18 | 10 | B Min | BB: 39.79 (+2.39s | 5.7%) | Sailfish | 04/05/2025 | 2025 ST TXLA 10 U Long Course Kick Off | |
| 1183 | Jonas Inscoe | 42.18 | 9 | B Min | BB: 39.79 (+2.39s | 5.7%) | Waterloo Swimming | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 1184 | Damon Sparling | 42.18 | 9 | B Min | BB: 39.79 (+2.39s | 5.7%) | Edina Swim Club | 06/26/2025 | 2025 MN AQJT Aquajets Summer Spectacular | |
| 1185 | Rufus Nagygyorgy | 42.20 | 10 | B Min | BB: 39.79 (+2.41s | 5.7%) | Swim Fort Lauderdale | 05/15/2026 | 2026 Gulliver LCM Summer Classic | |
| 1186 | Felix Cera | 42.21 | 10 | B Min | BB: 39.79 (+2.42s | 5.7%) | Olympic Cascade Aquatics | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 1187 | Denis Orekhov | 42.21 | 10 | B Min | BB: 39.79 (+2.42s | 5.7%) | Jbarracudas Swim Team | 05/23/2026 | SI 2026 TAC CSTE All Ages NTS Meet | |
| 1188 | Auden Farley | 42.22 | 9 | B Min | BB: 39.79 (+2.43s | 5.8%) | Bolles School Sharks | 04/10/2026 | 2026 April Classic | |
| 1189 | Nickoli Stachlowski | 42.22 | 9 | B Min | BB: 39.79 (+2.43s | 5.8%) | Hillsboro Swim Team | 05/01/2026 | 2026 THSC Spring Invite | |
| 1190 | Avery Sawyer | 42.23 | 8 | B Min | BB: 39.79 (+2.44s | 5.8%) | Nitro Swimming | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 1191 | Brooks Dechaine | 42.23 | 10 | B Min | BB: 39.79 (+2.44s | 5.8%) | Swim Florida | 04/17/2026 | 2026 GCST Spring Open | |
| 1192 | Sam Mancenido | 42.24 | 10 | B Min | BB: 39.79 (+2.45s | 5.8%) | Dart Swimming | 06/21/2024 | Reno Aquatic Club Gamble | |
| 1193 | Dale Joyce | 42.24 | 10 | B Min | BB: 39.79 (+2.45s | 5.8%) | Puget Sound Swim Club | 06/20/2025 | 2025 IE VS Starlight Open | |
| 1194 | Misael Gutierrez | 42.24 | 10 | B Min | BB: 39.79 (+2.45s | 5.8%) | Hialeah Swim Club | 04/25/2026 | 2026 Azura Spring Open LCM Invit | |
| 1195 | Cimon Bunuan | 42.25 | 9 | B Min | BB: 39.79 (+2.46s | 5.8%) | South San Francisco Aquatics | 05/02/2026 | Alto Spring Jam CBA | |
| 1196 | Kyle Cheung | 42.25 | 10 | B Min | BB: 39.79 (+2.46s | 5.8%) | Palo Alto Stanford Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 1197 | Ford Howard | 42.26 | 10 | B Min | BB: 39.79 (+2.47s | 5.8%) | Blue Dragons Swim Team | 05/02/2025 | 2025 AAA May LC Invitational | |
| 1198 | Tristan Keough | 42.27 | 10 | B Min | BB: 39.79 (+2.48s | 5.9%) | YMCA of the Triangle Area Swim | 06/14/2024 | SwimRVA Summer Invitational | |
| 1199 | Sebastian Monroy Reyes | 42.27 | 10 | B Min | BB: 39.79 (+2.48s | 5.9%) | Sunnyvale Swim Club | 06/06/2025 | 2025 DACA LC CBA+ Meet | |
| 1200 | Ethan Smith | 42.28 | 10 | B Min | BB: 39.79 (+2.49s | 5.9%) | Bend Swim Club | 05/08/2026 | Bend Swim Club May Invitational 2026 | |
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.