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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1301 | Jeremy Lyu | 42.84 | 10 | B Min | BB: 39.79 (+3.05s | 7.1%) | Wave Aquatics | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 1302 | Nicolas Etkin | 42.85 | 10 | B Min | BB: 39.79 (+3.06s | 7.1%) | Los Altos Mountain View Aquati | 06/22/2024 | Alto Beat The Heat Sat Sun | |
| 1303 | Ridge Harris | 42.86 | 8 | B Min | BB: 39.79 (+3.07s | 7.2%) | Bend Swim Club | 05/08/2026 | Bend Swim Club May Invitational 2026 | |
| 1304 | James Tyrrell | 42.86 | 9 | B Min | BB: 39.79 (+3.07s | 7.2%) | Capital City Athletics | 06/20/2025 | 2025 Falfins Long Course Open | |
| 1305 | Daniel Choi | 42.86 | 9 | B Min | BB: 39.79 (+3.07s | 7.2%) | Fort Collins Area Swim Team | 04/11/2026 | 2026 CO FAST Vs CUDA Dua; | |
| 1306 | Arick Yuan | 42.86 | 10 | B Min | BB: 39.79 (+3.07s | 7.2%) | Santa Clara Swim Club | 05/30/2025 | SCSC Pacific Swimming Long Course Intrasquad | |
| 1307 | Oliver Aires | 42.87 | 9 | B Min | BB: 39.79 (+3.08s | 7.2%) | Elk Grove Aquatics Club | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 1308 | Lucas Heine | 42.89 | 9 | B Min | BB: 39.79 (+3.10s | 7.2%) | Foxjets Swim Team | 05/02/2026 | 2026 MN RSC Pentathlon | |
| 1309 | Griffin Kivney | 42.89 | 10 | B Min | BB: 39.79 (+3.10s | 7.2%) | Sarasota Tsunami Swim Team | 05/02/2026 | 2026 Sea Dragon May Open | |
| 1310 | Oliver Heale | 42.90 | 10 | B Min | BB: 39.79 (+3.11s | 7.2%) | Atlantic Coast Athletic Club | 06/21/2024 | 28th Annual SMAC Summer Classic | |
| 1311 | Aaron Yoon | 42.90 | 9 | B Min | BB: 39.79 (+3.11s | 7.2%) | Pipeline Swimming | 05/15/2026 | 2026 SAINT PETE S 2nd LONG COURSE MEET | |
| 1312 | Marek Perzov | 42.91 | 10 | B Min | BB: 39.79 (+3.12s | 7.3%) | Santa Clara Swim Club | 05/30/2025 | SCSC Pacific Swimming Long Course Intrasquad | |
| 1313 | Moxon Fain | 42.91 | 9 | B Min | BB: 39.79 (+3.12s | 7.3%) | Seattle Metropolitan Aquatic C | 06/27/2025 | 2025 PN SMAC Summer Classic Invitational | |
| 1314 | Shail Jain | 42.91 | 9 | B Min | BB: 39.79 (+3.12s | 7.3%) | Palo Alto Stanford Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 1315 | Joshua Thomas | 42.93 | 10 | B Min | BB: 39.79 (+3.14s | 7.3%) | Sunnyvale Swim Club | 05/16/2026 | 2026 DACA LC CBA+ | |
| 1316 | Mars Meihack | 42.93 | 9 | B Min | BB: 39.79 (+3.14s | 7.3%) | Tualatin Hills Swim Club | 05/01/2026 | 2026 THSC Spring Invite | |
| 1317 | Blake Baisch | 42.94 | 9 | B Min | BB: 39.79 (+3.15s | 7.3%) | Seattle Metropolitan Aquatic C | 05/29/2025 | 2025 IE VS Apple Capital | |
| 1318 | Peter Surbeck | 42.95 | 10 | B Min | BB: 39.79 (+3.16s | 7.4%) | Streamliner Aquatics | 07/19/2024 | 2024 SRS Summer Championships | |
| 1319 | Harrison Krzenski | 42.95 | 9 | B Min | BB: 39.79 (+3.16s | 7.4%) | South Metro Storm | 05/08/2026 | 2026 MN STRM Spring Startup | |
| 1320 | William Cao | 42.97 | 9 | B Min | BB: 39.79 (+3.18s | 7.4%) | Great Lakes Sailfish Swimming | 07/24/2025 | 2025 LE Age Group And Senior LC Championships | |
| 1321 | Samik Dangol | 42.97 | 9 | B Min | BB: 39.79 (+3.18s | 7.4%) | Stingrays Swim Team | 07/11/2024 | 2024 RAYS Summer Awards | |
| 1322 | Mason Lee | 42.97 | 10 | B Min | BB: 39.79 (+3.18s | 7.4%) | Issaquah Swim Team | 05/02/2025 | 2025 PN BC May Flowers | |
| 1323 | Michael Ancona | 42.97 | 9 | B Min | BB: 39.79 (+3.18s | 7.4%) | Jupiter Dragons Swim Team | 05/08/2026 | 2026 Wellington May Long Course Meet | |
| 1324 | Mason Liu | 42.98 | 10 | B Min | BB: 39.79 (+3.19s | 7.4%) | Trident Aquatic Club | 08/06/2025 | 2025 Summer Elite Showcase | |
| 1325 | Calvin Prosinski | 42.98 | 8 | B Min | BB: 39.79 (+3.19s | 7.4%) | Sporting Jax Aquatic Club | 05/02/2026 | SwimRise IMX IMR Challenge | |
| 1326 | Zachary McDonnell | 42.99 | 9 | B Min | BB: 39.79 (+3.20s | 7.4%) | Firestone Akron Swim Team | 07/24/2025 | 2025 LE Age Group And Senior LC Championships | |
| 1327 | Quinn Judd | 42.99 | 8 | B Min | BB: 39.79 (+3.20s | 7.4%) | Westlake Aquatic Facility | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 1328 | Eyad Yossef | 42.99 | 8 | B Min | BB: 39.79 (+3.20s | 7.4%) | Pro Swimming | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 1329 | Grigorii Vasilenko | 42.99 | 8 | B Min | BB: 39.79 (+3.20s | 7.4%) | Legacy Aquatics | 05/30/2025 | LA OPEN 2025 | |
| 1330 | Gabriel Saldanha | 43.00 | 9 | B Min | BB: 39.79 (+3.21s | 7.5%) | Wasatch Front Fish Market | 08/01/2025 | 2025 LC Beehive Finale | |
| 1331 | George Duong | 43.00 | 10 | B Min | BB: 39.79 (+3.21s | 7.5%) | United Swim Club | 06/27/2025 | ATAC Long Course | |
| 1332 | Jaden Langley | 43.00 | 9 | B Min | BB: 39.79 (+3.21s | 7.5%) | Rocky Mountain Rapids | 04/26/2025 | 2025 CO COSA Spring LC Kick Off | |
| 1333 | Calder Pettersen | 43.01 | 8 | B Min | BB: 39.79 (+3.22s | 7.5%) | Cascade Swim Club | 09/20/2025 | 2025 PN CSC September Shakeout | |
| 1334 | Greyson Eatherly | 43.02 | 10 | B Min | BB: 39.79 (+3.23s | 7.5%) | Cascade Swim Club | 09/20/2025 | 2025 PN CSC September Shakeout | |
| 1335 | Henry Faconti | 43.02 | 9 | B Min | BB: 39.79 (+3.23s | 7.5%) | Highlands Ranch Aquatics | 04/12/2026 | 2026 CO NJ SBL Pentathlon 12 U | |
| 1336 | Lane Hutmacher | 43.02 | 10 | B Min | BB: 39.79 (+3.23s | 7.5%) | Watertown Area Swim Club | 06/28/2024 | Chamberlain Meet | |
| 1337 | John Hoesch | 43.02 | 9 | B Min | BB: 39.79 (+3.23s | 7.5%) | Olympus Aquatics | 06/27/2025 | 2nd Annual Water Dragon Open | |
| 1338 | Hogan Crow | 43.03 | 9 | B Min | BB: 39.79 (+3.24s | 7.5%) | Unattached | 04/17/2026 | 2026 Shark Attack Copied | |
| 1339 | Daniel Volynets | 43.03 | 10 | B Min | BB: 39.79 (+3.24s | 7.5%) | Swim Fort Lauderdale | 05/15/2026 | 2026 Gulliver LCM Summer Classic | |
| 1340 | Hudson Goodrich | 43.03 | 9 | B Min | BB: 39.79 (+3.24s | 7.5%) | Denver Swim Academy | 05/16/2026 | 2026 CO Hilltopper Invite | |
| 1341 | Adam Wang | 43.04 | 9 | B Min | BB: 39.79 (+3.25s | 7.6%) | Riptide Swim Team | 05/02/2026 | 2026 MN RSC Pentathlon | |
| 1342 | Ethan Gu | 43.05 | 10 | B Min | BB: 39.79 (+3.26s | 7.6%) | Burlingame Aquatics | 06/27/2025 | Alto Summer Swelter | |
| 1343 | Ruslan Kalinnikov | 43.07 | 8 | B Min | BB: 39.79 (+3.28s | 7.6%) | Olympus Aquatics | 05/20/2025 | Kearns LC Classic | |
| 1344 | Owen Melin | 43.07 | 8 | B Min | BB: 39.79 (+3.28s | 7.6%) | Swim Fort Lauderdale | 05/15/2026 | 2026 Gulliver LCM Summer Classic | |
| 1345 | Henry Odean | 43.09 | 9 | B Min | BB: 39.79 (+3.30s | 7.7%) | Nitro Swimming | 04/26/2025 | 2025 ST NTRO Splashing Into Long Course | |
| 1346 | Eli Shin | 43.09 | 9 | B Min | BB: 39.79 (+3.30s | 7.7%) | Stingray Swim Team | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 1347 | Atharv Karthik | 43.11 | 8 | B Min | BB: 39.79 (+3.32s | 7.7%) | Nitro Swimming | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 1348 | Charles Fikhman | 43.12 | 9 | B Min | BB: 39.79 (+3.33s | 7.7%) | Pacific Swim | 04/24/2026 | 2026 SI PS ABB Meet Group A | |
| 1349 | Owen Bronson | 43.12 | 9 | B Min | BB: 39.79 (+3.33s | 7.7%) | Legacy Aquatics | 11/01/2025 | Oregon City Fall Open 2025 | |
| 1350 | Holt Jorgensen | 43.13 | 9 | B Min | BB: 39.79 (+3.34s | 7.7%) | Dart Swimming | 06/21/2024 | Reno Aquatic Club Gamble | |
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.