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 | |
|---|---|---|---|---|---|---|---|---|---|
| 201 | Luke Marek | 50.42 | 10 | BB Min | A: 47.89 (+2.53s | 5.0%) | Surge Aquatics | 06/27/2025 | 2025 ST HPAC Long Course STX Championship | |
| 202 | Ian Addanki | 50.43 | 10 | BB Min | A: 47.89 (+2.54s | 5.0%) | Hudson Explorer Aquatic | 07/24/2025 | 2025 LE Age Group And Senior LC Championships | |
| 203 | Isaac Chapman | 50.43 | 10 | BB Min | A: 47.89 (+2.54s | 5.0%) | SwimRVA | 06/14/2024 | SwimRVA Summer Invitational | |
| 204 | Zachary Brill | 50.46 | 10 | BB Min | A: 47.89 (+2.57s | 5.1%) | Aquatex Swim & Water Polo Team | 05/04/2025 | 2025 ST TXLA 10 U End Of School Splash | |
| 205 | Harrison Carr | 50.51 | 10 | BB Min | A: 47.89 (+2.62s | 5.2%) | Aquajets Swim Team | 05/29/2025 | 2025 MN WOLF HUFF N PUFF INVITE | |
| 206 | Max Ong | 50.52 | 10 | BB Min | A: 47.89 (+2.63s | 5.2%) | Pacific Swim | 07/24/2025 | 2025 SI LC AG CHAMPS | |
| 207 | Yupeng Wang | 50.54 | 10 | BB Min | A: 47.89 (+2.65s | 5.2%) | Monterey Park Manta Rays | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 208 | Erik Hai | 50.55 | 10 | BB Min | A: 47.89 (+2.66s | 5.3%) | The Claremont Club | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 209 | Elijah Hutagalung | 50.57 | 10 | BB Min | A: 47.89 (+2.68s | 5.3%) | Aspire Aquatics of Colorado | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 210 | Chancellor Scovel | 50.57 | 10 | BB Min | A: 47.89 (+2.68s | 5.3%) | South Orange County Aquatics | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 211 | Luka McGrath | 50.61 | 10 | BB Min | A: 47.89 (+2.72s | 5.4%) | Multnomah Athletic Club | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 212 | Oliver Gist-Pitts | 50.63 | 10 | BB Min | A: 47.89 (+2.74s | 5.4%) | Boulder Swim Team | 06/27/2025 | 2025 CO Zone 2 VMAC Meet | |
| 213 | Marcus Pass | 50.66 | 9 | BB Min | A: 47.89 (+2.77s | 5.5%) | Sioux Falls Swim Team | 05/09/2025 | 2025 SD SFST Ready For Long Course | |
| 214 | Luke Xu | 50.67 | 10 | BB Min | A: 47.89 (+2.78s | 5.5%) | California Dolphins Swim Team | 06/07/2025 | 2025 06 07 CDST LC C B BB+ Meet | |
| 215 | Ty Hoggard | 50.70 | 10 | BB Min | A: 47.89 (+2.81s | 5.5%) | Blue Dolfins | 04/26/2025 | 2025 Ron Nardozzi Pre Derby Sprint Invite | |
| 216 | Thomas Cooke | 50.71 | 9 | BB Min | A: 47.89 (+2.82s | 5.6%) | Aptos Cabrillo Swim Club | 06/27/2025 | Valley Splash | |
| 217 | Nikoloz Zhorzholiani | 50.71 | 9 | BB Min | A: 47.89 (+2.82s | 5.6%) | Seattle Metropolitan Aquatic C | 06/27/2025 | 2025 PN SMAC Summer Classic Invitational | |
| 218 | Mason Kim | 50.72 | 10 | BB Min | A: 47.89 (+2.83s | 5.6%) | Maywood Sparks Swim Team | 06/12/2025 | 2025 SCS June AG Invite @ La Mirada Armada | |
| 219 | Finn McGuire | 50.73 | 10 | BB Min | A: 47.89 (+2.84s | 5.6%) | Swim Florida | 05/23/2025 | 2025 T2 Aquatics Norris Foundation LC Meet | |
| 220 | Ryan Xie | 50.76 | 10 | BB Min | A: 47.89 (+2.87s | 5.7%) | Cascadia Swimming | 11/01/2025 | Oregon City Fall Open 2025 | |
| 221 | Winston Du | 50.78 | 10 | BB Min | A: 47.89 (+2.89s | 5.7%) | Aquajets Swim Team | 06/13/2025 | 2025 MN NSAC Summer Slam Invite | |
| 222 | Bennett Wood | 50.89 | 10 | BB Min | A: 47.89 (+3.00s | 5.9%) | AquaStorm | 06/28/2025 | 2025 SD Summer Starter | |
| 223 | Lok Zhang | 50.92 | 10 | BB Min | A: 47.89 (+3.03s | 6.0%) | Pacific Dragons Swim Team | 06/27/2025 | 2025 PN SMAC Summer Classic Invitational | |
| 224 | Mateo Sison | 50.97 | 10 | BB Min | A: 47.89 (+3.08s | 6.0%) | San Ramon Valley Aquatics | 06/07/2025 | Orinda Aquatics LC C B BB+ Meet | |
| 225 | Emmett Tourney | 50.97 | 9 | BB Min | A: 47.89 (+3.08s | 6.0%) | Red Wing Swim Club | 07/18/2025 | 2025 MN MTKA Minnesota Regional Championship | |
| 226 | Gary Stoll | 51.01 | 10 | BB Min | A: 47.89 (+3.12s | 6.1%) | Legacy Aquatics | 11/01/2025 | Oregon City Fall Open 2025 | |
| 227 | Phillippe Choi | 51.03 | 10 | BB Min | A: 47.89 (+3.14s | 6.2%) | Klg Sports Swim Team | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 228 | Emmett Curry | 51.04 | 10 | BB Min | A: 47.89 (+3.15s | 6.2%) | Seattle Metropolitan Aquatic C | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 229 | Logan Snodgrass | 51.05 | 10 | BB Min | A: 47.89 (+3.16s | 6.2%) | Denver Swim Academy | 04/26/2025 | 2025 CO FST Spring LC Fever | |
| 230 | Koa Tejwani | 51.10 | 9 | BB Min | A: 47.89 (+3.21s | 6.3%) | Jcc Waves | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 231 | Haolin Chen | 51.12 | 10 | BB Min | A: 47.89 (+3.23s | 6.3%) | Pacific Dragons Swim Team | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 232 | Mason Lankford | 51.12 | 10 | BB Min | A: 47.89 (+3.23s | 6.3%) | Hydro Swim Club | 06/20/2025 | 2025 Planet Swim Summer Championships | |
| 233 | Jayan Naik | 51.14 | 10 | BB Min | A: 47.89 (+3.25s | 6.4%) | Capital of Texas Aquatics | 06/27/2025 | 2025 ST HPAC Long Course STX Championship | |
| 234 | Bryce Alpert | 51.15 | 9 | BB Min | A: 47.89 (+3.26s | 6.4%) | Aquazot Swim Club | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 235 | Matthew Ko | 51.17 | 10 | BB Min | A: 47.89 (+3.28s | 6.4%) | Aspire Aquatics of Colorado | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 236 | Sebastian Calderon | 51.20 | 10 | BB Min | A: 47.89 (+3.31s | 6.5%) | Lakeside Aquatic Club | 07/16/2025 | 2025 Texas Age Group Championships | |
| 237 | Thomas Halford | 51.21 | 10 | BB Min | A: 47.89 (+3.32s | 6.5%) | Pikes Peak Athletics | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 238 | Chukwuma Chiedozi | 51.22 | 10 | BB Min | A: 47.89 (+3.33s | 6.5%) | Rogue Rapids | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 239 | Riccardo Sardena | 51.25 | 9 | BB Min | A: 47.89 (+3.36s | 6.6%) | Swim Team of Placentia | 07/25/2024 | 2024 CA SCS BREA Summer A G Champs | |
| 240 | Max Frankel | 51.25 | 10 | BB Min | A: 47.89 (+3.36s | 6.6%) | SwimRight Team | 01/17/2026 | 2026 Azura Winter Open LCM Invite | |
| 241 | Ethan Kang | 51.25 | 10 | BB Min | A: 47.89 (+3.36s | 6.6%) | Santa Clara Swim Club | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 242 | Winston Chase | 51.32 | 10 | BB Min | A: 47.89 (+3.43s | 6.7%) | Utah Valley Aquatics | 05/08/2025 | 2025 HAST Janet Oles LC Classic | |
| 243 | Leo Ferrante | 51.33 | 10 | BB Min | A: 47.89 (+3.44s | 6.7%) | Palo Alto Stanford Aquatics | 06/27/2025 | Silicon Valley LC CBA+ Meet | |
| 244 | Bennett McKown | 51.36 | 8 | BB Min | A: 47.89 (+3.47s | 6.8%) | Patriot Aquatics | 05/16/2025 | 2025 PA Long Course Invite | |
| 245 | Arian Gavriljuk | 51.38 | 10 | BB Min | A: 47.89 (+3.49s | 6.8%) | Pro Swimming | 07/11/2025 | 2025 PN OCA July Jamboree Invitational | |
| 246 | Sebastian McNary | 51.39 | 10 | BB Min | A: 47.89 (+3.50s | 6.8%) | Tiger Aquatics | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 247 | Conrad Shwe | 51.41 | 9 | BB Min | A: 47.89 (+3.52s | 6.8%) | Clovis Swim Club | 06/21/2025 | 2025 FDST June A B Modified LC Invitational | |
| 248 | Maximus Wan | 51.45 | 10 | BB Min | A: 47.89 (+3.56s | 6.9%) | Highlander Aquatic Club | 05/16/2025 | 2025 PA Long Course Invite | |
| 249 | Mason Sovich | 51.47 | 9 | BB Min | A: 47.89 (+3.58s | 7.0%) | Olympic Cascade Aquatics | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 250 | Aiden Kiatrungrit | 51.47 | 10 | BB Min | A: 47.89 (+3.58s | 7.0%) | South San Francisco Aquatics | 04/19/2025 | Alto Spring Jam Meet | |
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.