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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Cavin Spruiell | 34.45 | 15 | AAAA Min | Walnut Creek Aquabears | 06/23/2024 | PC TCA Invite | ||
| 2 | Declan Neth | 40.30 | 10 | AAAA Min | Mission Viejo Nadadores | 06/12/2025 | 2025 SCS June AG Invite @ La Mirada Armada | ||
| 3 | Stephen Huang | 40.31 | 9 | AAAA Min | DeAnza Cupertino Aquatics | 07/11/2025 | 2025 Age Group Championships | ||
| 4 | Andres Sierra | 40.31 | 10 | AAAA Min | Pompano Beach Piranhas | 01/17/2026 | 2026 Azura Winter Open LCM Invite | ||
| 5 | Marcus Soetanto | 40.71 | 10 | AAAA Min | Rose Bowl Aquatics | 07/23/2025 | 2025 CA SCS Summer A G Champs | ||
| 6 | Sebastian Guevara | 41.05 | 10 | AAAA Min | Alto Swim Club | 07/11/2025 | 2025 Age Group Championships | ||
| 7 | Lucas Jiang | 41.16 | 10 | AAAA Min | Quicksilver Swimming | 07/31/2025 | 2025 Long Course Far Western Championship | ||
| 8 | Albert Xiao | 41.36 | 10 | AAAA Min | Santa Clara Swim Club | 07/11/2025 | 2025 Age Group Championships | ||
| 9 | Brooks Fraser | 41.53 | 10 | AAA Min | AAAA: 41.49 (+0.04s | 0.1%) | Unattached | 08/06/2025 | 2025 Western Zone Age Group Championships | |
| 10 | Isen Wolfe | 41.70 | 9 | AAA Min | AAAA: 41.49 (+0.21s | 0.5%) | Saint Petersburg Aquatics | 04/18/2025 | 2025 SPA Spring First Long Course Meet | |
| 11 | Logan Glick | 41.78 | 9 | AAA Min | AAAA: 41.49 (+0.29s | 0.7%) | Texas Ford Aquatics | 07/16/2025 | 2025 Texas Age Group Championships | |
| 12 | Evan Saltsman | 41.86 | 10 | AAA Min | AAAA: 41.49 (+0.37s | 0.9%) | Alpha Aquatics | 06/12/2025 | 2025 June Age Group Invite | |
| 13 | Liam Ruffcorn | 41.96 | 10 | AAA Min | AAAA: 41.49 (+0.47s | 1.1%) | Shasta YMCA Sharks | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 14 | Declan Benton | 42.03 | 10 | AAA Min | AAAA: 41.49 (+0.54s | 1.3%) | Unattached | 08/06/2025 | 2025 Western Zone Age Group Championships | |
| 15 | Sebastian Saade | 42.14 | 9 | AAA Min | AAAA: 41.49 (+0.65s | 1.5%) | Los Angeles Swim Club | 07/24/2025 | 2025 CA SCS Summer A G Champs CANY | |
| 16 | Wayne Sun | 42.38 | 10 | AAA Min | AAAA: 41.49 (+0.89s | 2.1%) | Katy Aquatic Team For Youth | 07/16/2025 | 2025 Texas Age Group Championships | |
| 17 | Ethan Evans | 42.47 | 10 | AAA Min | AAAA: 41.49 (+0.98s | 2.3%) | Dads Club Swim Team | 07/16/2025 | 2025 Texas Age Group Championships | |
| 18 | Brennan Garr | 42.73 | 10 | AAA Min | AAAA: 41.49 (+1.24s | 2.9%) | Bellevue Club Swim Team | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 19 | Isaac Zhang | 42.79 | 9 | AAA Min | AAAA: 41.49 (+1.30s | 3.0%) | First Colony Swim Team, Inc. | 07/16/2025 | 2025 Texas Age Group Championships | |
| 20 | Alexander Lyavzin | 42.80 | 10 | AAA Min | AAAA: 41.49 (+1.31s | 3.1%) | SwimRight Team | 01/17/2026 | 2026 Azura Winter Open LCM Invite | |
| 21 | Logan Smith | 42.94 | 10 | AAA Min | AAAA: 41.49 (+1.45s | 3.4%) | Unattached | 07/31/2025 | 2025 Central Zone 14 Under Championship Mee | |
| 22 | Vincent Salameh | 43.04 | 10 | AAA Min | AAAA: 41.49 (+1.55s | 3.6%) | Stingray Swim Team | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 23 | Rubix Szolusha | 43.17 | 9 | AAA Min | AAAA: 41.49 (+1.68s | 3.9%) | Santa Clara Swim Club | 06/27/2025 | Valley Splash | |
| 24 | Aaron Cho | 43.30 | 10 | AAA Min | AAAA: 41.49 (+1.81s | 4.2%) | Blast Sharks | 07/24/2025 | 2025 CA SCS Summer A G Champs CANY | |
| 25 | Karas Ibrahim | 43.48 | 10 | AAA Min | AAAA: 41.49 (+1.99s | 4.6%) | Canyons Aquatic Club | 06/12/2025 | 2025 CA SCS RAA June Age Group Championships | |
| 26 | Joshua Gilbert | 43.68 | 9 | AA Min | AAA: 43.59 (+0.09s | 0.2%) | Bolles School Sharks | 04/11/2025 | 2025 April Classic | |
| 27 | Jake Lee | 43.69 | 10 | AA Min | AAA: 43.59 (+0.10s | 0.2%) | Circle City Aquatics | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 28 | Rain Liu | 43.75 | 9 | AA Min | AAA: 43.59 (+0.16s | 0.4%) | Rancho San Dieguito | 07/24/2025 | 2025 SI LC AG CHAMPS | |
| 29 | Robert Legg | 43.99 | 9 | AA Min | AAA: 43.59 (+0.40s | 0.9%) | Pleasanton Seahawks | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 30 | Ethan Locke | 44.05 | 9 | AA Min | AAA: 43.59 (+0.46s | 1.0%) | Alto Swim Club | 06/06/2025 | 2025 DACA LC CBA+ Meet | |
| 31 | Timofey Belov | 44.07 | 10 | AA Min | AAA: 43.59 (+0.48s | 1.1%) | Pikes Peak Athletics | 04/26/2025 | 2025 CO FST Spring LC Fever | |
| 32 | Matthew Zhao | 44.09 | 9 | AA Min | AAA: 43.59 (+0.50s | 1.1%) | Brea Aquatics | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 33 | Aurelius Lien | 44.12 | 8 | AA Min | AAA: 43.59 (+0.53s | 1.2%) | Santa Clara Swim Club | 07/19/2025 | Santa Clara Valley Splash Block Party | |
| 34 | Sebastian Michel | 44.13 | 10 | AA Min | AAA: 43.59 (+0.54s | 1.2%) | Katy Aquatic Team For Youth | 07/16/2025 | 2025 Texas Age Group Championships | |
| 35 | Aiden Woo | 44.14 | 10 | AA Min | AAA: 43.59 (+0.55s | 1.2%) | Rose Bowl Aquatics | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 36 | Kyle Dotts | 44.20 | 10 | AA Min | AAA: 43.59 (+0.61s | 1.4%) | Irvine Novaquatics | 06/12/2025 | 2025 June Age Group Invite | |
| 37 | William Wang | 44.37 | 10 | AA Min | AAA: 43.59 (+0.78s | 1.8%) | Pacific Dragons Swim Team | 06/14/2025 | 2025 IST June Invtational | |
| 38 | Ryan Latronica | 44.40 | 9 | AA Min | AAA: 43.59 (+0.81s | 1.8%) | Hills Hurricane Swimming | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 39 | Charles Liu Bates | 44.45 | 10 | AA Min | AAA: 43.59 (+0.86s | 1.9%) | Unattached | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 40 | Francis Li | 44.45 | 8 | AA Min | AAA: 43.59 (+0.86s | 1.9%) | Unattached | 08/07/2024 | 2024 EZ LC Age Group Championship | |
| 41 | Oliver Nielsen | 44.51 | 10 | AA Min | AAA: 43.59 (+0.92s | 2.1%) | Aquajets Swim Team | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 42 | Haochen Wang | 44.59 | 10 | AA Min | AAA: 43.59 (+1.00s | 2.2%) | Pacific Sea Wolves | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 43 | Emmanuel Steele | 44.63 | 10 | AA Min | AAA: 43.59 (+1.04s | 2.3%) | Vision Swim | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 44 | Robert Obermeyer | 44.72 | 10 | AA Min | AAA: 43.59 (+1.13s | 2.5%) | Piedmont Swim Team | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 45 | Enzo Tek | 44.81 | 10 | AA Min | AAA: 43.59 (+1.22s | 2.7%) | Sahuarita Stingrays | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 46 | Lathan Su | 44.84 | 9 | AA Min | AAA: 43.59 (+1.25s | 2.8%) | Arcadia Riptides Swim Club | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 47 | Tomas Bilbao | 44.87 | 10 | AA Min | AAA: 43.59 (+1.28s | 2.9%) | Unattached | 08/06/2025 | 2025 Western Zone Age Group Championships | |
| 48 | Connor West | 44.98 | 9 | AA Min | AAA: 43.59 (+1.39s | 3.1%) | The Spartans of La Canada | 06/12/2025 | 2025 June Age Group Invite | |
| 49 | Marco Sun | 45.00 | 9 | AA Min | AAA: 43.59 (+1.41s | 3.1%) | Pleasanton Seahawks | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 50 | Marco Sun | 45.00 | 9 | AA Min | AAA: 43.59 (+1.41s | 3.1%) | Pleasanton Seahawks | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day 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.