USA Boys 10 & under - 50 Y 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 3351 | Cimon Bunuan | 50.05 | 9 | B Min | BB: 47.69 (+2.36s | 4.7%) | South San Francisco Aquatics | 01/10/2026 | SSF NEW YEAR SPLASH C B A+ | |
| 3352 | Will Babicke | 50.06 | 10 | B Min | BB: 47.69 (+2.37s | 4.7%) | Oak Hills Youth Athletics | 02/19/2026 | 2026 OH CM SC Regional Championships | |
| 3353 | Kenneth Green | 50.06 | 9 | B Min | BB: 47.69 (+2.37s | 4.7%) | Pro Swimming | 03/06/2026 | 2026 PN PRO March Last Chance Intra Apprived | |
| 3354 | Charles Seaman | 50.06 | 9 | B Min | BB: 47.69 (+2.37s | 4.7%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 3355 | Phil Jordan | 50.06 | 8 | B Min | BB: 47.69 (+2.37s | 4.7%) | Nation\\\\\\'s Capital Swim Club | 10/18/2025 | 2025 AAC Fall Gator Mini Meet | |
| 3356 | Graham McGuire | 50.06 | 8 | B Min | BB: 47.69 (+2.37s | 4.7%) | Swim Florida | 02/07/2026 | 2026 GCST WINTER OPEN | |
| 3357 | Nathaniel Jones | 50.06 | 10 | B Min | BB: 47.69 (+2.37s | 4.7%) | Swimchester Sailfish | 12/05/2025 | 2025 Holiday Classic | |
| 3358 | Ramzan Maxutbek | 50.07 | 10 | B Min | BB: 47.69 (+2.38s | 4.8%) | Swim Tampa Aquatics | 02/28/2025 | 2025 Spring Area 3 Championships | |
| 3359 | Lewis Paragas | 50.07 | 9 | B Min | BB: 47.69 (+2.38s | 4.8%) | Excel Aquatics | 10/18/2025 | 2025 PN IST Fall Open | |
| 3360 | Sebastian Van Loon | 50.07 | 10 | B Min | BB: 47.69 (+2.38s | 4.8%) | Hydro-sonic Tiburones | 10/17/2025 | 2025 RMSC October Kick Off Classic | |
| 3361 | Chenrui Cui | 50.07 | 8 | B Min | BB: 47.69 (+2.38s | 4.8%) | Stingray Swim Team | 11/15/2025 | 2025 PN IST November Invitational | |
| 3362 | Owen Lee | 50.07 | 9 | B Min | BB: 47.69 (+2.38s | 4.8%) | Chinook Aquatic Club | 02/07/2026 | 2026 PN IST Feb Winter Invitational Approved | |
| 3363 | Lionel Sudduth | 50.07 | 8 | B Min | BB: 47.69 (+2.38s | 4.8%) | Excel Aquatics | 02/21/2026 | 2026 SES Region 1 8 And Under Championships | |
| 3364 | Brycen Gittens | 50.07 | 10 | B Min | BB: 47.69 (+2.38s | 4.8%) | Machine Aquatics | 02/13/2026 | 39th Black History Swim Meet | |
| 3365 | Jason Ma | 50.08 | 9 | B Min | BB: 47.69 (+2.39s | 4.8%) | Palo Alto Stanford Aquatics | 01/24/2026 | 2026 Zone 1 North Championships | |
| 3366 | Andrew O'Brien | 50.08 | 9 | B Min | BB: 47.69 (+2.39s | 4.8%) | WeAquatics | 01/11/2026 | 2026 New Year Speed Run | |
| 3367 | Nathan Chen | 50.08 | 9 | B Min | BB: 47.69 (+2.39s | 4.8%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 3368 | Luke Echaluse | 50.08 | 10 | B Min | BB: 47.69 (+2.39s | 4.8%) | California Dolphins Swim Team | 03/28/2026 | PC CDST SC C B BB+ Meet | |
| 3369 | Colin Chuang | 50.09 | 10 | B Min | BB: 47.69 (+2.40s | 4.8%) | Palo Alto Stanford Aquatics | 12/20/2025 | 2025 PASA Winter Frolic Meet @ PALY HS | |
| 3370 | George Mergeani | 50.09 | 9 | B Min | BB: 47.69 (+2.40s | 4.8%) | Aquatic Team Of Mecklenburg | 01/10/2026 | ATOM Frosty Invitational 2026 | |
| 3371 | Jack Wilson | 50.09 | 10 | B Min | BB: 47.69 (+2.40s | 4.8%) | Nation\\\\\\'s Capital Swim Club | 03/21/2026 | 2026 MAKO SPRING FLING | |
| 3372 | Beckett Hudson | 50.09 | 9 | B Min | BB: 47.69 (+2.40s | 4.8%) | Sailfish | 03/28/2026 | 2026 ST SGA Spring Fling Meet | |
| 3373 | Gavin Kutzman | 50.09 | 10 | B Min | BB: 47.69 (+2.40s | 4.8%) | Sussex County YMCA | 12/06/2025 | 2025 MR NDAC Kevin Storrs Winter Festival | |
| 3374 | Keith Guo | 50.10 | 9 | B Min | BB: 47.69 (+2.41s | 4.8%) | Pacific Dragons Swim Team | 03/28/2026 | 2026 PN Spring Showdown, Div 2 Approved | |
| 3375 | Jonah Varas | 50.10 | 10 | B Min | BB: 47.69 (+2.41s | 4.8%) | SwimRise Aquatics | 02/20/2026 | 2026 Area 1 Spring Championships | |
| 3376 | Nolan Cook | 50.10 | 9 | B Min | BB: 47.69 (+2.41s | 4.8%) | The Capitol Sea Devils | 11/21/2025 | 2025 Swim Rock | |
| 3377 | Armani Bonds | 50.10 | 10 | B Min | BB: 47.69 (+2.41s | 4.8%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 3378 | Daniel Thorpe | 50.10 | 9 | B Min | BB: 47.69 (+2.41s | 4.8%) | Aquajets Swim Team | 01/24/2026 | 2026 MN AQJT Winter Invite | |
| 3379 | Beau Hastings | 50.10 | 9 | B Min | BB: 47.69 (+2.41s | 4.8%) | Waves Of Wilmington Inc | 01/24/2026 | 2026 WOW Tri County Classic | |
| 3380 | Winston Gu | 50.11 | 9 | B Min | BB: 47.69 (+2.42s | 4.8%) | Upper Main Line YMCA | 12/11/2025 | 2025 East Coast WinterFest | |
| 3381 | Keith Tran | 50.11 | 9 | B Min | BB: 47.69 (+2.42s | 4.8%) | Lincoln Select Swimming | 02/20/2026 | 2026 MW Midwestern Age Group Short Course | |
| 3382 | Eric Sliwowski | 50.11 | 8 | B Min | BB: 47.69 (+2.42s | 4.8%) | North Carolina Aquatic Club | 03/14/2026 | 2026 MOR Reagan Martin Rocks Swim Meet | |
| 3383 | Ayden Peng | 50.11 | 9 | B Min | BB: 47.69 (+2.42s | 4.8%) | Raleigh Swimming Association | 03/26/2026 | 2026 NCAC Spring Tar Heel States Copied | |
| 3384 | Owen Bradford | 50.12 | 10 | B Min | BB: 47.69 (+2.43s | 4.8%) | Waves Of Wilmington Inc | 10/24/2025 | 2025 BAC Halloween Bash | |
| 3385 | Kaiden Duong | 50.12 | 10 | B Min | BB: 47.69 (+2.43s | 4.8%) | Lone Star Swim Team | 12/20/2024 | 2024 Gulf Fall Champs (TASC) | |
| 3386 | Ryan Denardo | 50.12 | 9 | B Min | BB: 47.69 (+2.43s | 4.8%) | Nation\\\\\\'s Capital Swim Club | 11/14/2025 | 2025 PV November Open PWCS | |
| 3387 | Benjamin Foster | 50.13 | 9 | B Min | BB: 47.69 (+2.44s | 4.9%) | Neptune Swimming | 09/27/2025 | Neptune Swimming Fall Classic | |
| 3388 | Marvin Pivonka | 50.13 | 9 | B Min | BB: 47.69 (+2.44s | 4.9%) | Cavalier Aquatics/Piedmont Fam | 02/27/2026 | 2026 SW District Champs 9 Over | |
| 3389 | Arthur Le | 50.13 | 10 | B Min | BB: 47.69 (+2.44s | 4.9%) | Sarpy County Swim Club | 01/15/2026 | BLCK SCSC ACE Dual | |
| 3390 | Kotia Zvereff | 50.14 | 7 | B Min | BB: 47.69 (+2.45s | 4.9%) | Unattached | 11/15/2025 | NVST Swimming Into Fall 2025 | |
| 3391 | Joseph Gallagher | 50.14 | 10 | B Min | BB: 47.69 (+2.45s | 4.9%) | Egra Waves | 03/07/2026 | 2026 Lake Michigan Regional Meet | |
| 3392 | Grayson Figel | 50.14 | 10 | B Min | BB: 47.69 (+2.45s | 4.9%) | The Capitol Sea Devils | 10/25/2025 | 2025 PV Monster Mash | |
| 3393 | Shawn Lee | 50.14 | 9 | B Min | BB: 47.69 (+2.45s | 4.9%) | Mecklenburg Swim Association | 02/07/2026 | MSA IM Tough Meet 2026 | |
| 3394 | Ethan Lee | 50.14 | 10 | B Min | BB: 47.69 (+2.45s | 4.9%) | Phoenix Aquatic Club | 12/06/2025 | 2025 MR PAC 12 U Holiday Invitational | |
| 3395 | Alfred Mueller | 50.14 | 10 | B Min | BB: 47.69 (+2.45s | 4.9%) | Merritt Athletic Swimming | 12/21/2025 | The Grinch Stole My Times (9 O BB Slowe) 2025 | |
| 3396 | Jones North | 50.14 | 10 | B Min | BB: 47.69 (+2.45s | 4.9%) | Tide Swimming | 12/11/2025 | 2025 East Coast WinterFest | |
| 3397 | Bennett Calliham | 50.14 | 8 | B Min | BB: 47.69 (+2.45s | 4.9%) | Loveland Swim Club | 02/13/2026 | 2026 CO Loveland Last Chance Sweetheart Meet | |
| 3398 | Hudson Kipp | 50.14 | 9 | B Min | BB: 47.69 (+2.45s | 4.9%) | Buckeye Swim Club | 02/27/2026 | 2026 OH BSC SC Regional Championships | |
| 3399 | Chris Oh | 50.15 | 9 | B Min | BB: 47.69 (+2.46s | 4.9%) | Crimson Aquatics | 12/12/2025 | 2025 NE CRIM Frosty Frenzy Trials Finals | |
| 3400 | Alexander Ivanov | 50.15 | 10 | B Min | BB: 47.69 (+2.46s | 4.9%) | Seattle Metropolitan Aquatic C | 03/28/2026 | 2026 PN Spring Showdown, Div 2 Approved | |
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.