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 | |
|---|---|---|---|---|---|---|---|---|---|
| 301 | Zane Seifel | 46.89 | 10 | A Min | AA: 45.79 (+1.10s | 2.3%) | Treasure Coast Aquatics | 07/09/2026 | 2026 FL Summer Age Group Championships | |
| 302 | Wyatt Chandler | 46.89 | 10 | A Min | AA: 45.79 (+1.10s | 2.3%) | San Dimas Aquatics | 07/23/2026 | 2026 CA SCS RAA Summer A G Champs Copied | |
| 303 | Jackson Collier | 46.90 | 10 | A Min | AA: 45.79 (+1.11s | 2.4%) | Cypress Fairbanks Swim Club | 06/12/2026 | 2026 ST TXLA Texas Open Invite | |
| 304 | Oliver Catala | 46.92 | 10 | A Min | AA: 45.79 (+1.13s | 2.4%) | Gulliver Swim Club | 05/15/2026 | 2026 Gulliver LCM Summer Classic | |
| 305 | Nicholas Medina | 46.92 | 9 | A Min | AA: 45.79 (+1.13s | 2.4%) | Laker Swim | 04/25/2026 | 11th Annual Hohne Memorial Invitational | |
| 306 | Christopher Porembka | 46.93 | 10 | A Min | AA: 45.79 (+1.14s | 2.4%) | Fast Fins Elite | 07/16/2025 | 2025 Texas Age Group Championships | |
| 307 | Max Alred | 46.93 | 9 | A Min | AA: 45.79 (+1.14s | 2.4%) | Marshall County Swim Club | 07/17/2026 | 2026 SE Southeastern Summer LC Championships | |
| 308 | Frans van Wagenberg | 46.94 | 10 | A Min | AA: 45.79 (+1.15s | 2.4%) | Huntsville Swim Association | 07/17/2026 | 2026 SE Southeastern Summer LC Championships | |
| 309 | Enrique Acosta | 46.95 | 10 | A Min | AA: 45.79 (+1.16s | 2.5%) | EL Paso Border Land Swim Team | 05/16/2026 | 2026 BD SWAT School S Out Summer Bash | |
| 310 | Emmett Curry | 46.97 | 10 | A Min | AA: 45.79 (+1.18s | 2.5%) | Seattle Metropolitan Aquatic C | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 311 | Charles Dail | 46.97 | 9 | A Min | AA: 45.79 (+1.18s | 2.5%) | Lexington Dolphins | 07/16/2026 | 2026 Kentucky Swimming LC Championship 2 Co | |
| 312 | Savelii Dorofieiev | 46.97 | 10 | A Min | AA: 45.79 (+1.18s | 2.5%) | Saint Petersburg Aquatics | 04/17/2026 | 2026 SAINT PETE S 1st LONG COURSE MEET | |
| 313 | Yaroslav Biliavskyi | 46.97 | 10 | A Min | AA: 45.79 (+1.18s | 2.5%) | Tac Titans | 05/15/2026 | 2026 TAC TITANS Spring Fling Meet | |
| 314 | Jaafar Lahmidi | 46.98 | 10 | B Min | BB: 45.89 (+1.09s | 2.3%) | Foothills Swim Team | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 315 | Charles Tan | 46.98 | 10 | A Min | AA: 45.79 (+1.19s | 2.5%) | Eastside Aquatic Swim Team | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 316 | Owen Kramer | 46.99 | 10 | A Min | AA: 45.79 (+1.20s | 2.6%) | New Wave Swim Team | 06/13/2026 | 2026 MOR Liberty Meet | |
| 317 | Callahan Espiritu | 47.00 | 8 | A Min | AA: 45.79 (+1.21s | 2.6%) | Aquazot Swim Club | 07/23/2026 | 2026 CA SCS Summer A G Champs | |
| 318 | Benjamin Coughlin | 47.00 | 10 | A Min | AA: 45.79 (+1.21s | 2.6%) | Kamehameha Swim Club | 07/16/2026 | 2026 HISI LCM Championships | |
| 319 | Rafael Parlato | 47.00 | 10 | A Min | AA: 45.79 (+1.21s | 2.6%) | Fenix Swim Club | 07/10/2026 | 2026 FG LCM BB Champs South | |
| 320 | Yusen Wang | 47.00 | 9 | A Min | AA: 45.79 (+1.21s | 2.6%) | Irvine Novaquatics | 06/11/2026 | 2026 SCS June AG Invite | |
| 321 | Austin Xue | 47.01 | 9 | A Min | AA: 45.79 (+1.22s | 2.6%) | Waterloo Swimming | 06/19/2026 | 2026 ST ASC Firecracker | |
| 322 | Patrick Liu | 47.01 | 10 | A Min | AA: 45.79 (+1.22s | 2.6%) | Tac Titans | 05/15/2026 | 2026 TAC TITANS Spring Fling Meet | |
| 323 | Andrew GU | 47.02 | 10 | A Min | AA: 45.79 (+1.23s | 2.6%) | Rose Bowl Aquatics | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 324 | Stiles McCumber | 47.02 | 10 | A Min | AA: 45.79 (+1.23s | 2.6%) | Huntsville Swim Association | 07/17/2026 | 2026 SE Southeastern Summer LC Championships | |
| 325 | Axton Santiago | 47.02 | 10 | A Min | AA: 45.79 (+1.23s | 2.6%) | Pearl City Aquatics | 07/03/2026 | 2026 Keo Nakama Swim Meet | |
| 326 | Connor Wright | 47.03 | 10 | A Min | AA: 45.79 (+1.24s | 2.6%) | Legacy Swim Club | 07/16/2026 | 2026 Virginia Swimming LC Age Group Champions | |
| 327 | Sebastian McNary | 47.03 | 10 | A Min | AA: 45.79 (+1.24s | 2.6%) | Tiger Aquatics | 05/23/2026 | 2026 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 328 | Graeme Gorsche | 47.04 | 10 | A Min | AA: 45.79 (+1.25s | 2.7%) | Los Angeles Swim Club | 07/16/2026 | 2026 SCS ELITE Age Group LCM Championship | |
| 329 | Owen Yuk | 47.05 | 10 | A Min | AA: 45.79 (+1.26s | 2.7%) | Nation\\\\\\'s Capital Swim Club | 06/05/2026 | HNVR Storm Surge 2026 | |
| 330 | Arick Yuan | 47.06 | 10 | A Min | AA: 45.79 (+1.27s | 2.7%) | Santa Clara Swim Club | 07/17/2026 | 2026 Adam Szmidt Memorial PC Summer AG Champs | |
| 331 | Aiden Du | 47.06 | 9 | A Min | AA: 45.79 (+1.27s | 2.7%) | Unattached | 07/16/2025 | 2025 Texas Age Group Championships | |
| 332 | Winston Du | 47.07 | 10 | A Min | AA: 45.79 (+1.28s | 2.7%) | Aquajets Swim Team | 06/11/2026 | 2026 MN AQJT Aquajets Summer Spectacular | |
| 333 | Vance Schildknecht | 47.07 | 9 | A Min | AA: 45.79 (+1.28s | 2.7%) | Gulliver Swim Club | 05/15/2026 | 2026 Gulliver LCM Summer Classic | |
| 334 | Yifan Liu | 47.08 | 9 | A Min | AA: 45.79 (+1.29s | 2.7%) | Mei\\\\\\'s Typhoons Swimming Club | 07/31/2026 | 2026 NE NSSC New England Summer Championship | |
| 335 | Carson Yin | 47.09 | 10 | A Min | AA: 45.79 (+1.30s | 2.8%) | Tualatin Hills Swim Club | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 336 | Sebastian Reilly | 47.09 | 10 | A Min | AA: 45.79 (+1.30s | 2.8%) | Nation\\\\\\'s Capital Swim Club | 05/01/2026 | Speedo Spring Splash | |
| 337 | Marcus Pass | 47.11 | 10 | A Min | AA: 45.79 (+1.32s | 2.8%) | Sioux Falls Swim Team | 07/24/2026 | 2026 SD Long Course State Championship | |
| 338 | Jaxson Ransom | 47.11 | 10 | A Min | AA: 45.79 (+1.32s | 2.8%) | Valley Swim Team Phoenix | 05/29/2026 | 2026 SwimRVA Success Bell | |
| 339 | Nikoloz Zhorzholiani | 47.11 | 10 | A Min | AA: 45.79 (+1.32s | 2.8%) | Seattle Metropolitan Aquatic C | 05/28/2026 | 2026 IE VS Apple Capital | |
| 340 | Jonathan Nelson | 47.12 | 10 | A Min | AA: 45.79 (+1.33s | 2.8%) | Utah Valley Aquatics | 06/18/2025 | 2025 UT CHAT INVITATIONAL | |
| 341 | Yangyang Xu | 47.13 | 10 | A Min | AA: 45.79 (+1.34s | 2.8%) | Pacific Dragons Swim Team | 06/13/2026 | 2026 PN IST June Invtational Approved | |
| 342 | Yeim Jung | 47.14 | 10 | B Min | BB: 45.89 (+1.25s | 2.7%) | Wave Aquatics | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 343 | Chayton Zhou | 47.15 | 9 | A Min | AA: 45.79 (+1.36s | 2.9%) | Pleasanton Seahawks | 05/23/2026 | 2026 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 344 | Noah Thomas | 47.17 | 10 | A Min | AA: 45.79 (+1.38s | 2.9%) | Longhorn Aquatics | 06/26/2026 | 2026 NEAT Long Course STX Championship | |
| 345 | Noah Olusanya | 47.18 | 9 | A Min | AA: 45.79 (+1.39s | 2.9%) | 07/09/2026 | 2026 FL Summer Age Group Championships | ||
| 346 | Brooks Nemeth | 47.18 | 9 | A Min | AA: 45.79 (+1.39s | 2.9%) | SwimRVA | 04/18/2026 | 2026 SwimRVA Carnation Clash | |
| 347 | Luke Xu | 47.19 | 10 | A Min | AA: 45.79 (+1.40s | 3.0%) | California Dolphins Swim Team | 06/13/2026 | PC CDST LC C B BB+ 26 074 | |
| 348 | Jacob Fischer | 47.19 | 9 | A Min | AA: 45.79 (+1.40s | 3.0%) | Greater Pensacola Aquatic Club | 06/05/2026 | 2026 GPAC Tom Lalor Invitational | |
| 349 | Jed El Abed | 47.19 | 10 | A Min | AA: 45.79 (+1.40s | 3.0%) | H2o Swim Team | 06/11/2026 | 2026 SCS June AG Invite CANY | |
| 350 | 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 | |
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.