USA Boys 10 & under - 50 Y Back
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1301 | Judah Moss | 38.62 | 10 | BB Min | A: 37.59 (+1.03s | 2.7%) | Grand Rapids Aquatics | 11/15/2025 | 2025 GR Gales Of November Open Invitational | |
| 1302 | Nathaniel Rocha | 38.62 | 10 | BB Min | A: 37.59 (+1.03s | 2.7%) | Cape Cod Swim Club | 11/07/2025 | 2025 NE CCSC Shoot Outs Meet Copied | |
| 1303 | Ishaan Pandey | 38.62 | 9 | BB Min | A: 37.59 (+1.03s | 2.7%) | Anglerfish Aquatics | 02/06/2026 | 2026 NE CRA Last Chance February Invite | |
| 1304 | Jacob Fischer | 38.62 | 9 | BB Min | A: 37.59 (+1.03s | 2.7%) | Greater Pensacola Aquatic Club | 02/13/2026 | 2026 SES Region 4 Championships | |
| 1305 | Briggs Mirda | 38.62 | 9 | BB Min | A: 37.59 (+1.03s | 2.7%) | Swim Melbourne | 10/11/2025 | TCSC Fall Invitational | |
| 1306 | Timur Kolchin | 38.62 | 10 | BB Min | A: 37.59 (+1.03s | 2.7%) | Fast Lane Aquatics | 01/30/2026 | 2026 FAST February Helping Hands Invite | |
| 1307 | Arthur Sheehan | 38.62 | 10 | BB Min | A: 37.59 (+1.03s | 2.7%) | Jersey Wahoos | 11/07/2025 | 2025 Mid Atlantic AG Championship Showdown | |
| 1308 | Alex Liu | 38.63 | 10 | BB Min | A: 37.59 (+1.04s | 2.7%) | Anglerfish Aquatics | 11/14/2025 | 2025 NECRA Nov Distance Specialty Meet Co | |
| 1309 | Jayden Li | 38.63 | 9 | BB Min | A: 37.59 (+1.04s | 2.7%) | Crimson Aquatics | 01/16/2026 | 2026 NE CRIM Bronze Championship | |
| 1310 | Theodore Herrera | 38.63 | 9 | BB Min | A: 37.59 (+1.04s | 2.7%) | Crimson Aquatics | 01/09/2026 | 2026 NE CRIM Jan Team Specialty | |
| 1311 | Marcus Jensen | 38.63 | 10 | BB Min | A: 37.59 (+1.04s | 2.7%) | Voltage Aquatics | 12/06/2025 | Reindeer Games 2025 | |
| 1312 | Remington Tucker | 38.63 | 9 | BB Min | A: 37.59 (+1.04s | 2.7%) | Huntsville Swim Association | 02/06/2026 | 2026 SES Region 3 Champions | |
| 1313 | Ryan Kim | 38.63 | 10 | BB Min | A: 37.59 (+1.04s | 2.7%) | Saline Swim Team | 12/13/2025 | 2025 DRD Winter Solstice Meet | |
| 1314 | Ethan Wang | 38.63 | 9 | BB Min | A: 37.59 (+1.04s | 2.7%) | Alto Swim Club | 02/07/2026 | Alto Feb 7 8 CBA Valentines Day | |
| 1315 | Andrew Zdrada | 38.64 | 9 | BB Min | A: 37.59 (+1.05s | 2.7%) | Saline Swim Team | 02/14/2026 | SAC Winter Classic | |
| 1316 | George Soucy | 38.64 | 10 | BB Min | A: 37.59 (+1.05s | 2.7%) | Portland Porpoise Swim Club | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 1317 | Daniel Rasoulian | 38.65 | 10 | BB Min | A: 37.59 (+1.06s | 2.7%) | Nation\\\\\\'s Capital Swim Club | 01/17/2026 | PVS January Open 2026 Fairland | |
| 1318 | Youssef Mahassine | 38.65 | 10 | BB Min | A: 37.59 (+1.06s | 2.7%) | Walnut Creek Aquabears | 01/31/2026 | Zone 2 Winter Championship Meet | |
| 1319 | Blake Gibbs | 38.65 | 9 | BB Min | A: 37.59 (+1.06s | 2.7%) | Bellevue Club Swim Team | 10/12/2024 | 2024 PN CSC Fall Classic Invitational | |
| 1320 | Riker Cooley | 38.65 | 10 | BB Min | A: 37.59 (+1.06s | 2.7%) | Addison Otters Swim Team | 11/07/2025 | 2025 NE UVAC Dorsi Raynolds Memorial Meet C | |
| 1321 | Patrick Comer | 38.65 | 10 | BB Min | A: 37.59 (+1.06s | 2.7%) | Westlake Aquatic Facility | 12/05/2025 | 2025 ST LSAC 5th Annual Graceland | |
| 1322 | Parker Ng | 38.66 | 8 | BB Min | A: 37.59 (+1.07s | 2.8%) | Commonwealth Swimming | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 1323 | Andrew Williams | 38.66 | 10 | BB Min | A: 37.59 (+1.07s | 2.8%) | East Hartford YMCA | 12/11/2025 | 2025 NE CRA Winter Invitational | |
| 1324 | Nolan Hoang | 38.66 | 10 | BB Min | A: 37.59 (+1.07s | 2.8%) | Rockville Montgomery Swim Club | 11/14/2025 | 2025 RMSC November Dual Meet | |
| 1325 | Harrison Adair | 38.67 | 10 | BB Min | A: 37.59 (+1.08s | 2.8%) | All Star Aquatics | 01/17/2026 | PVS January Open 2026 Fairland | |
| 1326 | George Nhem | 38.67 | 9 | BB Min | A: 37.59 (+1.08s | 2.8%) | Unattached | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 1327 | Shenukha Alahakoon | 38.67 | 10 | BB Min | A: 37.59 (+1.08s | 2.8%) | Tualatin Hills Swim Club | 01/16/2026 | 2026 THSC 14 U Winter Showcase | |
| 1328 | Grayson Lee | 38.68 | 11 | BB Min | A: 37.59 (+1.09s | 2.8%) | Twisters Swim Club | 01/24/2026 | 2026 MR FLY Fran Schnarr Sprint Pentathlon Me | |
| 1329 | Griffin Nhu | 38.68 | 10 | BB Min | A: 37.59 (+1.09s | 2.8%) | Rockville Montgomery Swim Club | 12/11/2025 | 2025 Riley Eaton Holiday Invitational | |
| 1330 | Edward Harris | 38.68 | 8 | BB Min | A: 37.59 (+1.09s | 2.8%) | Long Island Aquatic Club | 12/05/2025 | 2025 MR NYS Holiday Classic Trials Finals | |
| 1331 | Evan Schneider | 38.68 | 11 | BB Min | A: 37.59 (+1.09s | 2.8%) | Patriot Swim Team | 12/06/2025 | 2025 MR NDAC Kevin Storrs Winter Festival | |
| 1332 | Arsenii Chebaev | 38.68 | 9 | BB Min | A: 37.59 (+1.09s | 2.8%) | Bravo Swim Team | 01/16/2026 | 2026 RANS Winter Splash | |
| 1333 | Emiliano Rangel | 38.69 | 9 | BB Min | A: 37.59 (+1.10s | 2.8%) | Houston Country Club League | 02/21/2025 | 2025 Gulf 12 Under Champs (PACK) | |
| 1334 | Ryan Li | 38.69 | 10 | BB Min | A: 37.59 (+1.10s | 2.8%) | Trident Swim Club | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 1335 | James Goodwillie | 38.69 | 9 | BB Min | A: 37.59 (+1.10s | 2.8%) | Hanover Aquatics | 01/17/2026 | 2026 Duck Bowl | |
| 1336 | Samuel Wacek | 38.69 | 9 | BB Min | A: 37.59 (+1.10s | 2.8%) | Alexandria Swim Club | 02/22/2025 | 2025 MN ALEX NLC Conference Championship | |
| 1337 | Henry Eick | 38.69 | 10 | BB Min | A: 37.59 (+1.10s | 2.8%) | Memphis Tiger Swimming | 01/16/2026 | 2026 Gabrielle Rose Tiger Classic | |
| 1338 | Silas Perdue | 38.69 | 9 | BB Min | A: 37.59 (+1.10s | 2.8%) | Foothills Swim Team | 12/06/2024 | 2024 CO CSI Pioneer Open | |
| 1339 | Ben Reece | 38.69 | 10 | BB Min | A: 37.59 (+1.10s | 2.8%) | Gleason Family YMCA | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 1340 | Isaac Zhang | 38.69 | 8 | BB Min | A: 37.59 (+1.10s | 2.8%) | First Colony Swim Team, Inc. | 01/31/2025 | 2025 Fleet Mardi Gras | |
| 1341 | Flint Wright | 38.69 | 10 | BB Min | A: 37.59 (+1.10s | 2.8%) | SwimFast | 10/25/2025 | 2025 BRST Not So Scary Invite | |
| 1342 | Nathan Sayko | 38.70 | 10 | BB Min | A: 37.59 (+1.11s | 2.9%) | Tollefson Swimming | 12/11/2025 | 2025 Katie Ledecky Invitational | |
| 1343 | Jeremiah Perez | 38.70 | 10 | BB Min | A: 37.59 (+1.11s | 2.9%) | Sporting Jax Aquatic Club | 09/21/2025 | 2025 Planet Swim Season Opener | |
| 1344 | Luke Rowan | 38.71 | 10 | BB Min | A: 37.59 (+1.12s | 2.9%) | Club Husker | 09/27/2025 | 2025 MW HLA September Splash | |
| 1345 | Cameron Glissmeyer | 38.71 | 9 | BB Min | A: 37.59 (+1.12s | 2.9%) | South Davis Aquatics Team | 03/05/2025 | 2025 Short Course UTAGS Championships | |
| 1346 | Wesley Ho | 38.71 | 9 | BB Min | A: 37.59 (+1.12s | 2.9%) | Aspire Aquatics of Colorado | 03/07/2025 | 2025 CO CSI Silver State Championships | |
| 1347 | Ryan Yoon | 38.72 | 10 | BB Min | A: 37.59 (+1.13s | 2.9%) | Sierra Marlins Swim Team | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 1348 | Anson Villanueva | 38.72 | 10 | BB Min | A: 37.59 (+1.13s | 2.9%) | Splash Aquatics | 10/25/2025 | 2025 HI 25th Annual Bill Smith Invitational | |
| 1349 | Thomas Nicely | 38.72 | 9 | BB Min | A: 37.59 (+1.13s | 2.9%) | Spartan Aquatic Club | 01/16/2026 | 2026 SE Ralph Crocker Classic | |
| 1350 | River Briscoe | 38.72 | 9 | BB Min | A: 37.59 (+1.13s | 2.9%) | Madison Swimming Association | 02/06/2026 | 2026 SES Region 3 Champions | |
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.