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 | |
|---|---|---|---|---|---|---|---|---|---|
| 251 | Aaron Kim | 49.86 | 9 | BB Min | A: 47.89 (+1.97s | 4.0%) | The Spartans of La Canada | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 252 | Austin Zhou | 49.88 | 9 | BB Min | A: 47.89 (+1.99s | 4.0%) | Pacific Dragons Swim Team | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 253 | Noah Olusanya | 49.89 | 9 | BB Min | A: 47.89 (+2.00s | 4.0%) | 07/10/2025 | 2025 FL Summer Age Group Championships | ||
| 254 | Olin Beerens | 49.90 | 10 | BB Min | A: 47.89 (+2.01s | 4.0%) | Longhorn Aquatics | 06/27/2025 | 2025 ST HPAC Long Course STX Championship | |
| 255 | Alexander Warren Moy | 49.92 | 10 | BB Min | A: 47.89 (+2.03s | 4.1%) | Palo Alto Stanford Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 256 | Landon Noble | 49.93 | 9 | BB Min | A: 47.89 (+2.04s | 4.1%) | Highlands Ranch Aquatics | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 257 | Owen Yan | 49.96 | 10 | BB Min | A: 47.89 (+2.07s | 4.1%) | Wave Aquatics | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 258 | Adam Jiang | 49.96 | 10 | BB Min | A: 47.89 (+2.07s | 4.1%) | Waterloo Swimming | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 259 | Caden Shen | 49.98 | 10 | BB Min | A: 47.89 (+2.09s | 4.2%) | Lakeside Aquatic Club | 07/16/2025 | 2025 Texas Age Group Championships | |
| 260 | Eli Lawson | 50.04 | 9 | BB Min | A: 47.89 (+2.15s | 4.3%) | Dolphin Aquatics | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 261 | Niranjan Bharathan | 50.05 | 10 | BB Min | A: 47.89 (+2.16s | 4.3%) | Tualatin Hills Swim Club | 05/01/2026 | 2026 THSC Spring Invite | |
| 262 | Edwin Fernando | 50.08 | 10 | BB Min | A: 47.89 (+2.19s | 4.4%) | Cerritos Aquatic Club | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 263 | William Power | 50.11 | 10 | BB Min | A: 47.89 (+2.22s | 4.4%) | Unattached | 06/27/2025 | Valley Splash | |
| 264 | Christopher Navarro | 50.11 | 10 | BB Min | A: 47.89 (+2.22s | 4.4%) | Kamehameha Swim Club | 05/02/2026 | Keiko Price Sprint Meet Aloha Mile | |
| 265 | Lorenzo Molina | 50.11 | 10 | BB Min | A: 47.89 (+2.22s | 4.4%) | City of Miami Parks Swim Team | 05/01/2026 | Jesse Vasallo Swimming Invitational | |
| 266 | Milo Lanigan | 50.11 | 10 | BB Min | A: 47.89 (+2.22s | 4.4%) | Pikes Peak Athletics | 05/16/2026 | 2026 CO Hilltopper Invite | |
| 267 | Ishaan Malik | 50.15 | 9 | BB Min | A: 47.89 (+2.26s | 4.5%) | Unattached | 05/02/2026 | Alto Spring Jam CBA | |
| 268 | Angel Garcia III | 50.18 | 10 | BB Min | A: 47.89 (+2.29s | 4.6%) | Golden West Swim Club | 07/25/2024 | 2024 CA SCS GWSC Summer A G Champs | |
| 269 | Landon Gura | 50.18 | 10 | BB Min | A: 47.89 (+2.29s | 4.6%) | North Coast Aquatics | 07/24/2025 | 2025 SI LC AG CHAMPS | |
| 270 | Ray Yu | 50.18 | 10 | BB Min | A: 47.89 (+2.29s | 4.6%) | Aquazot Swim Club | 06/12/2025 | 2025 SCS June AG Invite @ La Mirada Armada | |
| 271 | Evan Tomizawa | 50.19 | 10 | BB Min | A: 47.89 (+2.30s | 4.6%) | Kamehameha Swim Club | 05/02/2026 | Keiko Price Sprint Meet Aloha Mile | |
| 272 | Krosby Thomure | 50.20 | 10 | BB Min | A: 47.89 (+2.31s | 4.6%) | Spokane Waves Aquatic Team | 04/25/2026 | 2026 SWAT Spring Fling | |
| 273 | Colin Hui | 50.21 | 10 | BB Min | A: 47.89 (+2.32s | 4.6%) | Highlands Ranch Aquatics | 04/12/2026 | 2026 CO NJ SBL Pentathlon 12 U | |
| 274 | Conrad Postle | 50.23 | 9 | BB Min | A: 47.89 (+2.34s | 4.7%) | West Florida Lightning Aquatic | 05/01/2026 | 2026 WFLA SPRING OPEN | |
| 275 | Zane Seifel | 50.23 | 10 | BB Min | A: 47.89 (+2.34s | 4.7%) | Treasure Coast Aquatics | 05/02/2026 | TCSC Go For The Gold Invitational | |
| 276 | Daniel Kalinovski | 50.23 | 10 | BB Min | A: 47.89 (+2.34s | 4.7%) | Otter Swim Club | 05/16/2026 | 2026 DACA LC CBA+ | |
| 277 | Jensen Huang | 50.30 | 10 | BB Min | A: 47.89 (+2.41s | 4.8%) | Arcadia Riptides Swim Club | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 278 | Gustavo Luna | 50.30 | 10 | BB Min | A: 47.89 (+2.41s | 4.8%) | Paseo Aquatics Swim Team | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 279 | Liam Schnobrich | 50.30 | 10 | BB Min | A: 47.89 (+2.41s | 4.8%) | St Croix Swim Club | 05/29/2025 | 2025 MN WOLF HUFF N PUFF INVITE | |
| 280 | Mikhail Pratt | 50.31 | 9 | BB Min | A: 47.89 (+2.42s | 4.8%) | Alpha Aquatics | 01/17/2026 | 2026 Azura Winter Open LCM Invite | |
| 281 | Patrick Grey | 50.33 | 10 | BB Min | A: 47.89 (+2.44s | 4.8%) | Unattached | 04/17/2026 | 2026 SAINT PETE S 1st LONG COURSE MEET | |
| 282 | Ashwin Tiwari | 50.38 | 9 | BB Min | A: 47.89 (+2.49s | 4.9%) | Olympic Cascade Aquatics | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 283 | Jarvis Qu | 50.39 | 9 | BB Min | A: 47.89 (+2.50s | 5.0%) | Mission Viejo Nadadores | 06/12/2025 | 2025 SCS June AG Invite @ La Mirada Armada | |
| 284 | Declan Sederholm | 50.40 | 10 | BB Min | A: 47.89 (+2.51s | 5.0%) | Hilltop Aquatic Swim Team | 07/17/2025 | 2025 UTAGS LC Championships | |
| 285 | Cana Oyer | 50.42 | 10 | BB Min | A: 47.89 (+2.53s | 5.0%) | Bolles School Sharks | 04/10/2026 | 2026 April Classic | |
| 286 | 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 | |
| 287 | Oliver Ni | 50.43 | 10 | BB Min | A: 47.89 (+2.54s | 5.0%) | Makos Aquatics Club of Gainesv | 05/15/2026 | 2026 FAST May Invite | |
| 288 | Isaac Chapman | 50.43 | 10 | BB Min | A: 47.89 (+2.54s | 5.0%) | SwimRVA | 06/14/2024 | SwimRVA Summer Invitational | |
| 289 | Xavier Kallus | 50.44 | 10 | BB Min | A: 47.89 (+2.55s | 5.1%) | Victoria Texas Aquatic Club | 05/15/2026 | 2026 ST SRG LCM Bud Dallmann Memorial | |
| 290 | Erik Shabdanov | 50.53 | 8 | BB Min | A: 47.89 (+2.64s | 5.2%) | Sunnyvale Swim Club | 05/16/2026 | 2026 DACA LC CBA+ | |
| 291 | Mason Sovich | 50.54 | 9 | BB Min | A: 47.89 (+2.65s | 5.2%) | Olympic Cascade Aquatics | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 292 | 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 | |
| 293 | 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 | |
| 294 | 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 | |
| 295 | 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 | |
| 296 | Hamlin Zhang | 50.60 | 10 | BB Min | A: 47.89 (+2.71s | 5.4%) | Blue Dolphin Swim Team | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 297 | 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 | |
| 298 | Charles Knigge | 50.65 | 10 | BB Min | A: 47.89 (+2.76s | 5.4%) | Spokane Waves Aquatic Team | 04/25/2026 | 2026 SWAT Spring Fling | |
| 299 | Isaiah Fadillah | 50.65 | 10 | BB Min | A: 47.89 (+2.76s | 5.4%) | California Dolphins Swim Team | 05/02/2026 | Alto Spring Jam CBA | |
| 300 | 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 | |
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.