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 | 6 | AAAA Min | Walnut Creek Aquabears | 06/23/2024 | PC TCA Invite | ||
| 2 | Leo Madera | 38.83 | 10 | AAAA Min | Gulliver Swim Club | 05/01/2026 | Jesse Vasallo Swimming Invitational | ||
| 3 | Andres Sierra Rivera | 38.91 | 10 | AAAA Min | Pompano Beach Piranhas | 05/01/2026 | Jesse Vasallo Swimming Invitational | ||
| 4 | Stephen Huang | 40.31 | 10 | AAAA Min | DeAnza Cupertino Aquatics | 07/11/2025 | 2025 Age Group Championships | ||
| 5 | Marcus Soetanto | 40.71 | 10 | AAAA Min | Rose Bowl Aquatics | 07/23/2025 | 2025 CA SCS Summer A G Champs | ||
| 6 | Michael Navarro | 41.08 | 10 | AAAA Min | Swim Fort Lauderdale | 05/15/2026 | 2026 Gulliver LCM Summer Classic | ||
| 7 | Brooks Fraser | 41.53 | 10 | AAA Min | AAAA: 41.49 (+0.04s | 0.1%) | Unattached | 08/06/2025 | 2025 Western Zone Age Group Championships | |
| 8 | Isen Wolfe | 41.70 | 10 | AAA Min | AAAA: 41.49 (+0.21s | 0.5%) | Saint Petersburg Aquatics | 04/18/2025 | 2025 SPA Spring First Long Course Meet | |
| 9 | Logan Glick | 41.78 | 10 | AAA Min | AAAA: 41.49 (+0.29s | 0.7%) | Texas Ford Aquatics | 07/16/2025 | 2025 Texas Age Group Championships | |
| 10 | Declan Benton | 42.03 | 10 | AAA Min | AAAA: 41.49 (+0.54s | 1.3%) | Unattached | 08/06/2025 | 2025 Western Zone Age Group Championships | |
| 11 | Sebastian Saade | 42.14 | 10 | AAA Min | AAAA: 41.49 (+0.65s | 1.5%) | Los Angeles Swim Club | 07/24/2025 | 2025 CA SCS Summer A G Champs CANY | |
| 12 | Evan Jun | 42.28 | 9 | AAA Min | AAAA: 41.49 (+0.79s | 1.9%) | Kamehameha Swim Club | 05/02/2026 | Keiko Price Sprint Meet Aloha Mile | |
| 13 | 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 | |
| 14 | Rain Liu | 42.55 | 10 | AAA Min | AAAA: 41.49 (+1.06s | 2.5%) | Rancho San Dieguito | 04/24/2026 | 2026 SI PS ABB Meet B Group | |
| 15 | Jayden Liu | 42.59 | 10 | AAA Min | AAAA: 41.49 (+1.10s | 2.6%) | Seattle Metropolitan Aquatic C | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 16 | Johann Gomez Ugalde | 42.64 | 10 | AAA Min | AAAA: 41.49 (+1.15s | 2.7%) | Southwest Stars Swim Club | 05/15/2026 | 2026 PA Long Course Invite | |
| 17 | Joshua Gilbert | 42.69 | 10 | AAA Min | AAAA: 41.49 (+1.20s | 2.8%) | Bolles School Sharks | 04/10/2026 | 2026 April Classic | |
| 18 | Andy Wang | 42.72 | 10 | AAA Min | AAAA: 41.49 (+1.23s | 2.9%) | Tualatin Hills Swim Club | 05/01/2026 | 2026 THSC Spring Invite | |
| 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 | Simon Feldman | 42.88 | 9 | AAA Min | AAAA: 41.49 (+1.39s | 3.2%) | Fast Lane Aquatics | 05/15/2026 | 2026 PA Long Course Invite | |
| 22 | 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 | |
| 23 | Rubix Szolusha | 43.17 | 10 | AAA Min | AAAA: 41.49 (+1.68s | 3.9%) | Santa Clara Swim Club | 06/27/2025 | Valley Splash | |
| 24 | Nhat Tran | 43.39 | 9 | AAA Min | AAAA: 41.49 (+1.90s | 4.4%) | Olympic Cascade Aquatics | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 25 | Jozua Sugianto | 43.52 | 10 | AAA Min | AAAA: 41.49 (+2.03s | 4.7%) | California Dolphins Swim Team | 05/02/2026 | Alto Spring Jam CBA | |
| 26 | Austin Shillman | 43.60 | 10 | AA Min | AAA: 43.59 (+0.01s | 0.0%) | Pine Crest Swim Team | 04/18/2026 | SCS Under The Sun Invitational | |
| 27 | Zachary Brill | 43.77 | 10 | BB Min | A: 41.99 (+1.78s | 4.1%) | Aquatex Swim & Water Polo Team | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 28 | Robert Legg | 43.99 | 10 | AA Min | AAA: 43.59 (+0.40s | 0.9%) | Pleasanton Seahawks | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 29 | William Wang | 44.04 | 10 | AA Min | AAA: 43.59 (+0.45s | 1.0%) | Pacific Dragons Swim Team | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 30 | Ethan Locke | 44.05 | 10 | AA Min | AAA: 43.59 (+0.46s | 1.0%) | Alto Swim Club | 06/06/2025 | 2025 DACA LC CBA+ Meet | |
| 31 | Sebastian Horn-Rios | 44.06 | 10 | AA Min | AAA: 43.59 (+0.47s | 1.1%) | T2 Aquatics | 04/17/2026 | 2026 GCST Spring Open | |
| 32 | Matthew Zhao | 44.09 | 10 | 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 | 9 | 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 | Ezz Abdelhadi | 44.18 | 10 | AA Min | AAA: 43.59 (+0.59s | 1.3%) | Palo Alto Stanford Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 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 | Benjamin Hankinson | 44.23 | 9 | AA Min | AAA: 43.59 (+0.64s | 1.4%) | Jupiter Dragons Swim Team | 05/08/2026 | 2026 Wellington May Long Course Meet | |
| 38 | Leon Escarcega Hernandez | 44.34 | 10 | AA Min | AAA: 43.59 (+0.75s | 1.7%) | Halcones Marinos Capn | 05/01/2026 | 2026 ST AAAA 23rd Annual Cinco De Mayo | |
| 39 | Ryan Latronica | 44.40 | 10 | AA Min | AAA: 43.59 (+0.81s | 1.8%) | Hills Hurricane Swimming | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 40 | Francis Li | 44.45 | 9 | AA Min | AAA: 43.59 (+0.86s | 1.9%) | Unattached | 08/07/2024 | 2024 EZ LC Age Group Championship | |
| 41 | Juan Marquez | 44.54 | 10 | AA Min | AAA: 43.59 (+0.95s | 2.1%) | Heritage Aquatic Team | 04/18/2026 | SCS Under The Sun Invitational | |
| 42 | Haochen Wang | 44.59 | 11 | AA Min | AAA: 43.59 (+1.00s | 2.2%) | Pacific Sea Wolves | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 43 | Tyler Zhang | 44.61 | 10 | AA Min | AAA: 43.59 (+1.02s | 2.3%) | Pacific Dragons Swim Team | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 44 | Enzo Tek | 44.81 | 11 | AA Min | AAA: 43.59 (+1.22s | 2.7%) | Sahuarita Stingrays | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 45 | Lathan Su | 44.84 | 10 | AA Min | AAA: 43.59 (+1.25s | 2.8%) | Arcadia Riptides Swim Club | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 46 | Tomas Bilbao | 44.87 | 10 | AA Min | AAA: 43.59 (+1.28s | 2.9%) | Unattached | 08/06/2025 | 2025 Western Zone Age Group Championships | |
| 47 | David Grant | 44.88 | 10 | AA Min | AAA: 43.59 (+1.29s | 2.9%) | Fort Collins Area Swim Team | 04/11/2026 | 2026 CO FAST Vs CUDA Dua; | |
| 48 | Connor West | 44.98 | 10 | 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 | 10 | AA Min | AAA: 43.59 (+1.41s | 3.1%) | Pleasanton Seahawks | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 50 | Paxton Goldsborough | 45.00 | 10 | AA Min | AAA: 43.59 (+1.41s | 3.1%) | Academy Swim Club | 05/16/2026 | BIG ISLAND SWIMMING @ KCAC | |
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.