USA Boys 10 & under - 50 Y Breast
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 | Noah Nabity | 44.28 | 10 | BB Min | A: 42.09 (+2.19s | 4.9%) | Blair YMCA Swim Team | 01/31/2026 | 2026 MW App NYA January YMCA Meet | |
| 1202 | Thomas Sedano | 44.28 | 10 | BB Min | A: 42.09 (+2.19s | 4.9%) | Monterey Bay Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 1203 | Andrew Xie | 44.29 | 10 | BB Min | A: 42.09 (+2.20s | 5.0%) | Tualatin Hills Swim Club | 11/07/2025 | 2025 THSC November Open | |
| 1204 | Sebastien Gallant | 44.29 | 10 | BB Min | A: 42.09 (+2.20s | 5.0%) | Tuna Swim Club | 11/22/2025 | 2025 MN HTSC Harvest Classic | |
| 1205 | Savelii Dorofieiev | 44.29 | 9 | BB Min | A: 42.09 (+2.20s | 5.0%) | Saint Petersburg Aquatics | 02/06/2026 | 2026 TBAC Winter Meet Copied | |
| 1206 | Ryan Koh | 44.29 | 10 | BB Min | A: 42.09 (+2.20s | 5.0%) | Quicksilver Swimming | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 1207 | Zubin Reuter | 44.30 | 10 | BB Min | A: 42.09 (+2.21s | 5.0%) | Asphalt Green Unified Aquatics | 03/07/2026 | 2026 MR AGUA Last Chance Invitational | |
| 1208 | Nolan Chan | 44.30 | 10 | BB Min | A: 42.09 (+2.21s | 5.0%) | Phoenix Swimming | 11/21/2025 | 2025 NE ABF Nov Trials And Final Meet | |
| 1209 | Yirui Qiao | 44.30 | 9 | BB Min | A: 42.09 (+2.21s | 5.0%) | YMCA Fairfax County Reston | 02/07/2026 | 2026 MAKO QUALIFIER | |
| 1210 | Joseph Olson | 44.31 | 10 | BB Min | A: 42.09 (+2.22s | 5.0%) | Caldera | 02/14/2025 | 2025 OR HS 5a 4 | |
| 1211 | Cayden Willamowski | 44.31 | 9 | BB Min | A: 42.09 (+2.22s | 5.0%) | Lima Family YMCA Swim Team | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1212 | Arlo Holland | 44.31 | 10 | BB Min | A: 42.09 (+2.22s | 5.0%) | Excel Aquatics | 03/28/2026 | 2026 PN Spring Showdown, Div 3 Approved | |
| 1213 | Eugene Grechukhin | 44.32 | 10 | BB Min | A: 42.09 (+2.23s | 5.0%) | Empire Swimming | 02/20/2026 | 2026 MR Silvers North Championship YMID | |
| 1214 | Vihaan Alapati | 44.32 | 10 | BB Min | A: 42.09 (+2.23s | 5.0%) | Tualatin Hills Swim Club | 03/19/2026 | 2026 NW Region Age Group Champs Approved | |
| 1215 | Michael Fan | 44.32 | 10 | BB Min | A: 42.09 (+2.23s | 5.0%) | High Performance Aquatic Club | 02/13/2026 | 2026 ST HPAC STX Champs South | |
| 1216 | Mason Lam | 44.33 | 9 | BB Min | A: 42.09 (+2.24s | 5.1%) | Eagle Swim Team Inc. | 11/14/2025 | 2025 NBAC Thanksgiving Meet | |
| 1217 | John Griswold | 44.33 | 10 | BB Min | A: 42.09 (+2.24s | 5.1%) | Alameda Gators | 03/28/2026 | Albany Armada Aquatics SC C B BB+ | |
| 1218 | Fyodor Manokhin | 44.35 | 10 | BB Min | A: 42.09 (+2.26s | 5.1%) | Bravo Swim Team | 02/20/2026 | 2026 FG SCY BB Championships SOUTH | |
| 1219 | Zicheng Wang | 44.35 | 10 | BB Min | A: 42.09 (+2.26s | 5.1%) | Brea Aquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 1220 | Christian Briscoe | 44.36 | 10 | BB Min | A: 42.09 (+2.27s | 5.1%) | Marlins Of Raleigh | 02/13/2026 | Speedo 2026 MOR Short Course Qualifier Meet | |
| 1221 | Adam Jiang | 44.37 | 10 | BB Min | A: 42.09 (+2.28s | 5.1%) | Waterloo Swimming | 02/06/2026 | 2026 ST AQTX STX Champs North | |
| 1222 | Lukas Bergman | 44.37 | 9 | BB Min | A: 42.09 (+2.28s | 5.1%) | Rushmore Swim Team | 11/08/2025 | 2025 SD Pierre Invitational | |
| 1223 | Felician Perski Smaluch | 44.38 | 9 | BB Min | A: 42.09 (+2.29s | 5.2%) | Jupiter Dragons Swim Team | 02/20/2026 | 2026 FG SCY BB Championships (NORTH) | |
| 1224 | Vance Schildknecht | 44.38 | 9 | BB Min | A: 42.09 (+2.29s | 5.2%) | Ransom Everglades Aquatic Club | 10/10/2025 | 2025 Gulliver Fall Classic | |
| 1225 | Bryce Gardin | 44.38 | 10 | BB Min | A: 42.09 (+2.29s | 5.2%) | California Capital Aquatics | 02/14/2025 | 2025 Neptune Swimming Invitational | |
| 1226 | Christian Hernandez | 44.38 | 10 | BB Min | A: 42.09 (+2.29s | 5.2%) | Walnut Creek Aquabears | 03/07/2026 | SRVA Last Chance Meet B BB+ | |
| 1227 | Ibrahim Ghanem | 44.38 | 9 | BB Min | A: 42.09 (+2.29s | 5.2%) | Romulus Torpedoes Swim Club | 01/31/2026 | 2026 Guppy Bowl | |
| 1228 | James Lorenzoni | 44.39 | 10 | BB Min | A: 42.09 (+2.30s | 5.2%) | Cavalier Aquatics/Piedmont Fam | 02/27/2026 | 2026 SW District Champs 9 Over | |
| 1229 | Wesley Lai | 44.39 | 10 | BB Min | A: 42.09 (+2.30s | 5.2%) | Harbor Seals | 02/28/2026 | 2026 MR QNS I Know I Can Invitational | |
| 1230 | Samuel Torborg | 44.39 | 10 | BB Min | A: 42.09 (+2.30s | 5.2%) | Hawks Swimming Association | 11/14/2025 | 2025 MR VAC Viking Classic Invitational | |
| 1231 | Michael Provenzano | 44.39 | 10 | BB Min | A: 42.09 (+2.30s | 5.2%) | Trident Aquatic Club | 02/28/2026 | 2026 MR QNS I Know I Can Invitational | |
| 1232 | Holden Hammond | 44.40 | 10 | BB Min | A: 42.09 (+2.31s | 5.2%) | Silver Spring YMCA Piranhas | 12/20/2025 | 2025 Splash And Dash | |
| 1233 | Dax Wagner | 44.40 | 10 | BB Min | A: 42.09 (+2.31s | 5.2%) | Motor City Aquatics | 01/31/2026 | 2026 Guppy Bowl | |
| 1234 | Colin Camacho | 44.40 | 10 | BB Min | A: 42.09 (+2.31s | 5.2%) | Mason Manta Rays | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1235 | Eian Boscana | 44.40 | 9 | BB Min | A: 42.09 (+2.31s | 5.2%) | Summerville Family YMCA | 03/19/2026 | 2026 USRY Short Course Champs | |
| 1236 | Caleb Taussig | 44.40 | 9 | BB Min | A: 42.09 (+2.31s | 5.2%) | Denver Swim Academy | 01/02/2026 | 2026 CO COSA New Year Open | |
| 1237 | Connor Lee | 44.40 | 8 | BB Min | A: 42.09 (+2.31s | 5.2%) | Condors Swim Club | 03/07/2026 | 2026 MR Metro 8 Under Championships | |
| 1238 | Jigdel Wangchuk | 44.41 | 9 | BB Min | A: 42.09 (+2.32s | 5.2%) | Twisters Swim Club | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 1239 | Ben Kraft | 44.41 | 10 | BB Min | A: 42.09 (+2.32s | 5.2%) | Excel Aquatics | 02/27/2026 | 2026 SE Southeastern Winter SC Championships | |
| 1240 | Bennet Kelly | 44.42 | 10 | BB Min | A: 42.09 (+2.33s | 5.2%) | Gold Medal Swim Club | 02/13/2026 | 34th Annual Lost Dutchman Invitational | |
| 1241 | Henry Chenier | 44.42 | 9 | BB Min | A: 42.09 (+2.33s | 5.2%) | YMCA OF Western North Carolina | 03/06/2026 | Jon Jolley GYSSA 2026 | |
| 1242 | Caleb Pan | 44.42 | 10 | BB Min | A: 42.09 (+2.33s | 5.2%) | West Coast Aquatics | 03/28/2026 | 2026 PN Spring Showdown, Div 3 Approved | |
| 1243 | Sakuto Kaneko | 44.42 | 10 | BB Min | A: 42.09 (+2.33s | 5.2%) | North Shore Swim Club | 03/20/2026 | 2026 NE NSSC March Madness At MIT | |
| 1244 | Keegan McIsaac-Smith | 44.43 | 10 | BB Min | A: 42.09 (+2.34s | 5.3%) | Crimson Aquatics | 01/09/2026 | 2026 NE CRIM Jan Team Specialty | |
| 1245 | Brooks Vondersmith | 44.44 | 10 | BB Min | A: 42.09 (+2.35s | 5.3%) | Hanover Aquatics | 12/04/2025 | 2025 RAYS Nutcracker Classic Copied | |
| 1246 | William Martzke | 44.44 | 10 | BB Min | A: 42.09 (+2.35s | 5.3%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 11/08/2025 | Atlantis 2025 Fall Quack Tack Ular | |
| 1247 | Will Greene | 44.45 | 10 | BB Min | A: 42.09 (+2.36s | 5.3%) | Charles River Aquatics | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 1248 | Jason Feng | 44.45 | 10 | BB Min | A: 42.09 (+2.36s | 5.3%) | Boys & Girls Club of SF | 03/22/2025 | PSL SC CBA+ Meet | |
| 1249 | Spencer Frickson | 44.46 | 9 | BB Min | A: 42.09 (+2.37s | 5.3%) | Mako Aquatics | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 1250 | David Yakubov | 44.46 | 10 | BB Min | A: 42.09 (+2.37s | 5.3%) | Matchpoint Nyc | 10/10/2025 | 2025 MR LIE Octoberfest 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.