USA Boys 10 & under - 50 M 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 351 | Brayden Lee | 47.20 | 10 | A Min | AA: 45.79 (+1.41s | 3.0%) | Dedham Health Hydra | 07/17/2026 | 2026 NE MST ESC LCM 12 Under Championship | |
| 352 | Matias Monzalvo | 47.21 | 10 | A Min | AA: 45.79 (+1.42s | 3.0%) | South Bay Aquatics | 07/23/2026 | 2026 SI LC AGE GROUP CHAMPIONSHIPS | |
| 353 | Austin Loving | 47.23 | 10 | A Min | AA: 45.79 (+1.44s | 3.0%) | Nova of Virginia | 07/16/2026 | 2026 Virginia Swimming LC Age Group Champions | |
| 354 | Evan Yue | 47.24 | 10 | A Min | AA: 45.79 (+1.45s | 3.1%) | Nation\\\\\\'s Capital Swim Club | 05/01/2026 | Speedo Spring Splash | |
| 355 | Koa Tejwani | 47.25 | 9 | A Min | AA: 45.79 (+1.46s | 3.1%) | Jcc Waves | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 356 | Cameron Day | 47.25 | 10 | A Min | AA: 45.79 (+1.46s | 3.1%) | Mission Viejo Nadadores | 06/11/2026 | 2026 SCS June AG Invite | |
| 357 | Kaito Kinnaird | 47.25 | 10 | A Min | AA: 45.79 (+1.46s | 3.1%) | Excel Aquatics | 06/04/2026 | 2026 Beaman Toyota Firecracker Invite | |
| 358 | Benjamin Martin | 47.25 | 9 | A Min | AA: 45.79 (+1.46s | 3.1%) | Unattached | 07/30/2026 | 2026 CZ 14 U Championship Meet IN | |
| 359 | Ty Hoggard | 47.25 | 10 | A Min | AA: 45.79 (+1.46s | 3.1%) | Blue Dolfins | 07/09/2026 | 2026 FL Summer Age Group Championships | |
| 360 | Kasi Sheppard | 47.26 | 10 | A Min | AA: 45.79 (+1.47s | 3.1%) | Kissimmee Swim Association | 07/09/2026 | 2026 FL Summer Age Group Championships | |
| 361 | Logan Snodgrass | 47.27 | 10 | A Min | AA: 45.79 (+1.48s | 3.1%) | Denver Swim Academy | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 362 | Aaron Lam | 47.27 | 10 | A Min | AA: 45.79 (+1.48s | 3.1%) | South Shore YMCA Strypers | 06/26/2026 | 2026 NE YNS June Prelims Finals Meet | |
| 363 | Matias Cardona | 47.28 | 10 | A Min | AA: 45.79 (+1.49s | 3.2%) | SwimFast | 01/17/2026 | 2026 Azura Winter Open LCM Invite | |
| 364 | Landon Noble | 47.29 | 9 | A Min | AA: 45.79 (+1.50s | 3.2%) | Highlands Ranch Aquatics | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 365 | William Yao | 47.30 | 10 | A Min | AA: 45.79 (+1.51s | 3.2%) | Fontana Aquatics Club | 07/16/2026 | 2026 SCS ELITE Age Group LCM Championship | |
| 366 | Aiden Kiatrungrit | 47.32 | 10 | A Min | AA: 45.79 (+1.53s | 3.2%) | South San Francisco Aquatics | 06/12/2026 | BAC Long Course | |
| 367 | Marcello Rinaldi | 47.33 | 10 | A Min | AA: 45.79 (+1.54s | 3.3%) | Minnetonka Swim Club | 07/11/2026 | 2026 MN BAC Last Chance Invitational | |
| 368 | Blaze Garcia | 47.33 | 10 | A Min | AA: 45.79 (+1.54s | 3.3%) | Pueblo County Swim Team | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 369 | Daniel Nagaoka | 47.34 | 10 | A Min | AA: 45.79 (+1.55s | 3.3%) | Quicksilver Swimming | 06/11/2026 | 2026 SCS June AG Invite | |
| 370 | Bennett Montague | 47.35 | 10 | A Min | AA: 45.79 (+1.56s | 3.3%) | Cypress Fairbanks Swim Club | 06/12/2026 | 2026 ST TXLA Texas Open Invite | |
| 371 | Max Chao | 47.35 | 9 | A Min | AA: 45.79 (+1.56s | 3.3%) | Tac Titans | 07/16/2026 | 2026 NCS LC AG Championships | |
| 372 | Owen Nguyen | 47.36 | 10 | A Min | AA: 45.79 (+1.57s | 3.3%) | Mission Viejo Nadadores | 07/16/2026 | 2026 SCS ELITE Age Group LCM Championship | |
| 373 | Caleb Pan | 47.39 | 10 | A Min | AA: 45.79 (+1.60s | 3.4%) | West Coast Aquatics | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 374 | Liam Bundick | 47.40 | 10 | A Min | AA: 45.79 (+1.61s | 3.4%) | Alamo Area Aquatic Association | 05/15/2026 | 2026 ST NIST Salute To The Troops | |
| 375 | Kallen Joyce | 47.41 | 9 | A Min | AA: 45.79 (+1.62s | 3.4%) | Kamehameha Swim Club | 07/16/2026 | 2026 HISI LCM Championships | |
| 376 | Flint Wright | 47.42 | 10 | A Min | AA: 45.79 (+1.63s | 3.4%) | SwimFast | 07/10/2026 | 2026 FG LCM BB Champs South | |
| 377 | Calvin Larkin | 47.42 | 9 | A Min | AA: 45.79 (+1.63s | 3.4%) | Bend Swim Club | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 378 | Connor Wright | 47.43 | 10 | A Min | AA: 45.79 (+1.64s | 3.5%) | Unattached | 06/25/2026 | LC Central District Champs | |
| 379 | Allen Kolodny | 47.44 | 9 | A Min | AA: 45.79 (+1.65s | 3.5%) | Bravo Swim Team | 07/10/2026 | 2026 FG LCM BB Champs South | |
| 380 | Jaezyn Magnaye | 47.44 | 10 | A Min | AA: 45.79 (+1.65s | 3.5%) | Tualatin Hills Swim Club | 06/26/2026 | 2026 PN SMAC Summer Classic Invite Approved | |
| 381 | Adelynn Spurlin | 47.44 | 10 | A Min | AA: 45.79 (+1.65s | 3.5%) | North Jeffco Swim Team | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 382 | Leonardo Henn | 47.45 | 10 | A Min | AA: 45.79 (+1.66s | 3.5%) | Eagles Swim Club | 05/08/2026 | 2026 Wellington May Long Course Meet | |
| 383 | Nathan Zhong | 47.45 | 9 | A Min | AA: 45.79 (+1.66s | 3.5%) | Irvine Novaquatics | 07/16/2026 | 2026 SCS ELITE Age Group LCM Championship | |
| 384 | Tyler Kautz | 47.46 | 9 | A Min | AA: 45.79 (+1.67s | 3.5%) | Upper Arlington Swim Club | 07/23/2026 | 2026 OH LC Junior Championships | |
| 385 | Gavin Mahrous | 47.49 | 9 | A Min | AA: 45.79 (+1.70s | 3.6%) | Sioux Falls Swim Team | 05/30/2026 | 2026 MN RSC Summer Jam | |
| 386 | Kai Kennedy | 47.51 | 10 | B Min | BB: 45.89 (+1.62s | 3.4%) | Academy Swim Club | 07/16/2026 | 2026 HISI LCM Championships | |
| 387 | Owen Newton | 47.54 | 10 | A Min | AA: 45.79 (+1.75s | 3.7%) | SwimNation Aquatics Programs | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 388 | Liam Reyes | 47.54 | 10 | A Min | AA: 45.79 (+1.75s | 3.7%) | Reno Aquatic Club | 05/22/2026 | 2026 Intermountain Classic Long Course Meet | |
| 389 | Luke Chai | 47.57 | 9 | A Min | AA: 45.79 (+1.78s | 3.7%) | Pleasanton Seahawks | 06/27/2026 | NVST Summer Plunge 2026 | |
| 390 | Gairen Bean | 47.57 | 10 | A Min | AA: 45.79 (+1.78s | 3.7%) | South Bay Aquatics | 07/23/2026 | 2026 SI LC AGE GROUP CHAMPIONSHIPS | |
| 391 | Ian Addanki | 47.59 | 10 | A Min | AA: 45.79 (+1.80s | 3.8%) | HEAT- Hudson Explorers Aquatic | 07/23/2026 | 2026 OH LC Junior Championships | |
| 392 | Orion Blue-Smith | 47.59 | 10 | A Min | AA: 45.79 (+1.80s | 3.8%) | Palo Alto Stanford Aquatics | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | |
| 393 | Kellan Naisbitt | 47.60 | 10 | A Min | AA: 45.79 (+1.81s | 3.8%) | Mission Viejo Nadadores | 07/23/2026 | 2026 CA SCS Summer A G Champs | |
| 394 | Mason Sovich | 47.60 | 9 | A Min | AA: 45.79 (+1.81s | 3.8%) | Olympic Cascade Aquatics | 07/10/2026 | 2026 PN OCA Last Chance Invitational Approve | |
| 395 | Davis King | 47.60 | 9 | A Min | AA: 45.79 (+1.81s | 3.8%) | Tac Titans | 05/15/2026 | 2026 TAC TITANS Spring Fling Meet | |
| 396 | Flynn Chen | 47.62 | 10 | A Min | AA: 45.79 (+1.83s | 3.8%) | DeAnza Cupertino Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 397 | Moses Duong | 47.64 | 10 | A Min | AA: 45.79 (+1.85s | 3.9%) | Firestone Akron Swim Team | 07/23/2026 | 2026 OH LC Junior Championships | |
| 398 | James Mayo | 47.65 | 10 | A Min | AA: 45.79 (+1.86s | 3.9%) | Gulf Coast Swim Team | 07/09/2026 | 2026 FL Summer Age Group Championships | |
| 399 | Bill Curran | 47.66 | 9 | A Min | AA: 45.79 (+1.87s | 3.9%) | Revolution Swim Club | 07/17/2026 | 2026 NE MST ESC LCM 12 Under Championship | |
| 400 | Avery Gropp | 47.67 | 10 | A Min | AA: 45.79 (+1.88s | 3.9%) | Upper Arlington Swim Club | 07/23/2026 | 2026 OH LC Junior Championships | |
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.